Tubing design

Tubing design Tubing design In the previous chapter, selection procedure of tubing diameter was based on well performance analysis. In this section, the procedure for selecting tubing material properties is presented. Selection of material is carried out by considering different forces that act on the tubing during production and workover operations and then a graphical method is used to present the tubing load against material properties. 1.1 Forces on tubing During the life of the well, tubing is subjected to various forces from production and workover operations which include: * production of hydrocarbon, * killing of the well, * squeeze cementing, * hydraulic fracturing etc. The activities result in change in temperature and pressure inside the tubing and casing-tubing annulus, which can cause a change in tubing length (shortening or lengthening). The change in length often leads to increase in compression or tension in tubing and in extreme situation unseating of packer or failure of tubing (Hammerlindl, 1977 and Lubinski et.al, 1962). According to the authors the change in pressure inside and outside of tuning and temperature can have various effects on tubing: * piston effect(According to Hookes Law), * helical buckling, * ballooning and * thermal effect. HOOKES LAW EFFECTS Changes in pressure inside and outside the tubing can cause tubing movement due to piston effect. According to Hookes law, change in length of tubing caused by this effect can be calculated using the Equation 4.1. Where is the change in forces due to the change in pressures inside ( ) and outside () tubing and can be expressed as: Where, (see Fig. 4.2) DL1= change in length due to Hookes Law effect, inch, L = length of tubing, inch, F = force acting on bottom of tubing, lb., E= modulus of elasticity, As = cross-sectional area of tubing, inch2, Ai = area based on inside diameter of tubing, inch2 and Ao = area based on outside diameter of tubing, inch2, Ap= area based on diameter of packer seal, inch2, = change in pressure inside annulus at packer (Final Initial), psi and = change in pressure inside tubing at packer (Final Initial), psi. Notes: DL, DF, DPi or DPo indicates change from initial packer setting conditions. It is assumed Pi = Po when packer is initially set. HELICAL BUCKLING The difference in pressure inside tubing and casing-tubing annulus acts on the cross sectional area of packer bore at tubing seal and leads to a decrease in the length of tubing due to buckling. This effect is known as helical buckling. When the tubing is restricted from movement, a tensile load is developed. This effect is increased with increase in inside tubing pressure. The change in length caused by helical buckling can be calculated by the Equation 4.3. where Force causing buckling: Ff = Ap (Pi Po) If Ff (a fictitious force) is zero or negative, there is no buckling. Length of tubing buckled: n = Ff / w Where, DL2= change in length due to buckling, inch, r= radial clearance between tubing and casing, inch, w = ws + wi wo, ws = weight of tubing, lb/incn, wi =weight of fluid contained inside tubing, lb/in. (density multiplied by area based on ID of tubing), wo= weight of annulus fluid displaced by bulk volume of tubing, lb/in. (density multiplied by area based on OD of tubing), =tubing outside diameter, inch and =tubing inside diameter, inch. Buckling can be avoided by applying surface annular pressure. BALLOONING EFFECTS The radial pressure inside the tubing causes tubing to increase or decrease in length. When the pressure inside the tubing is greater compared to the pressure inside the casing-tubing annulus, it tends to inflate the tubing, thus shortening the tubing. If the pressure inside the casing-tubing annulus is greater compared to pressure inside the tubing, then the tubing length is increased. This effect is known as ballooning and the change in length caused due to this effect is given by Equation 4.4. Where, DL3=change in length due to ballooning, in. m= Poissons ratio (0.3 for steel) R= tubing OD/tubing ID Dri=change in density of fluid inside tubing, lb/in3 Dro=change in density of fluid outside tubing, lb/ in3 Dpi=change in surface pressure inside tubing, psi Dpo=change in surface pressure outside tubing, psi d=pressure drop in tubing due to flow, psi/in. (usually considered as d= 0) THERMAL EFFECTS Due to the earths geothermal gradient, the temperature of the produced fluids can be high enough to change the tubing length. The effect is opposite (decrease in length) when a cold fluid is injected inside the tubing. It is ideal to take the change in average string temperature. The change in length due to temperature can be calculated using the Equation 4.5. Where, DL4=change in length, in. L=length of tubing string, in. C=coefficient of expansion of steel per oF DT=temperature change, oF PACKER SETTING FORCE The setting of packer requires forces which may lead to change in length of tubing. This change in length can be calculated using the Equation 4.6., which is derived based on Equations 4.1 and 4.3. The force on packer should not exceed critical values whereby it can cause permanent damage to the tubing. The initial weight on packer may cause slack off and to check if this situation might exist, one could use Equation 4.7. Where, F = set-down force. The tubing can suffer permanent damage if the stress in the tubing exceeds the yield strength of the tubing material. It is therefore advised to determine the safe tubing stresses for a given production or workover operation. The safe tubing stress can be calculated by using the following Equations (Allen and Roberts, 1989): The critical values can be calculated using Equations 4.8 and 4.9. Where, Si=stress at inner wall of the tubing So=stress at outer wall of the tubing For free-motion packer: When the packer exerts some force on the tubing, an additional term Ff should be added to Fa and the sign in Equations 4.8 and 4.9 varies in way to maximize the stresses. Example 4.1: An example of Tubing Movement calculation: The following operations are to be performed on a well completed with 9,000 ft of 2-7/8 OD (2.441 ID), 6.5 lb/ft tubing. The tubing is sealed with a packer which permits free motion. The packer bore is 3.25. The casing is 32 lb/ft, 7 OD (6.049 ID). Calculate the total movement of the tubing (note: notation is used for inch). Conditions Production Frac Cement Initial Fluid 12 lb/gal mud 13 lb/gal saltwater 8.5 lb/gal oil Final Fluid Tubing 10 lb/gal oil 11 lb/gal frac fluid 15 lb/gal cement Annulus 12 lb/gal mud 13 lb/gal saltwater 8.5 lb/gal oil Final Pressure Tubing 1500 psi 3500 psi 5000 psi Annulus 0 1000 psi 1000 psi Temp Change +25oF -55oF -25oF SOLUTION Production: Hookes Law Effect At bottom hole conditions DPi = Final pressure inside tubing Initial pressure inside tubing DPo = Final pressure inside annulus initial pressure inside annulus Using Eq. (4.2) Using Eq. (4.1) Helical Buckling Effect Using Eq. (4.3) Ballooning Effect Using Eq. (4.4) Temperature Effect Using Eq. (4.5) Total Tubing Movement (Tubing lengthens) Fracturing: Hookes Law Effect At bottom hole conditions DPi = Final pressure inside tubing Initial pressure inside tubing DPo = Final pressure inside annulus initial pressure inside annulus Using Eq. (4.2) Using Eq. (4.1) Helical Buckling Effect Using Eq. (4.3) Ballooning Effect Using Eq. (4.4) Temperature Effect Using Eq. (4.5) Total Tubing Movement (Tubing shortens) Cement: Hookes Law Effect At bottom hole conditions DPi = Final pressure inside tubing Initial pressure inside tubing DPo = Final pressure inside annulus initial pressure inside annulus Using Eq. (4.2) Using Eq. (4.1) Helical Buckling Effect Using Eq. (4.3) Ballooning Effect Using Eq. (4.4) Temperature Effect Using Eq. (4.5) Total Tubing Movement (Tubing shortens) 1.2 Selection of Tubing Material Tubing selection should be based on whether or not the tubing can withstand various forces which are caused due to the variations in temperature and pressure. The API has specified tubing based on the steel grade. Most common grades are: H40, J55, K55, C75, L80, N80, C95, P105 and P110. The number following the letter indicates the maximum yield strength of the material in thousands of psi. The failure of the tubing can be attributed to the loading conditions. There are three modes of tubing failure which include: * burst (pressure due to fluid inside tubing), * collapse (pressure due to fluid outside tubing) and * tension (due to weight of tubing and tension if restricted from movement). The graphical design of the tubing can be achieved by creating a plot of depth vs pressure. This design is carried out by calculating pressures inside the tubing and casing-tubing annulus at the bottom hole and tubing head. The maximum differential pressures at surface and bottom hole are examined using the plot. This maximum condition usually occurs during stimulation. When the maximum allowable annular pressure is maintained during stimulation, a considerable amount of reduction in the tubing load can be achieved. The burst pressure load (difference between the pressure inside the tubing and annulus) is mostly experienced in greater magnitude close to the surface but may not necessarily be always true. The burst load lines are plotted followed by plotting collapse load lines. The collapse loads are calculated with an assumption that a slow leak at the bottom hole has depressurized the tubing. This scenario is sometimes expereinced after the fracturing treatment when operators commence kickoff before bleeding off the annular pressure. If the data for pressure testing conditions (usually most critical load) is available, it should be included in the plot. Along with the collapse and burst loads, the burst and collapse resistance for different tubing grades (available) are plotted. By observing the plot we can determine which tubing grade to be selected that can withstand the calculated loads. An example of selecting tubing based on graphical design is presented below. Example 4.2: Graphical tubing design Based on the data given below, select a tubing string that will satisfy burst, collapse and tension with safety factors of 1.1, 1.0 and 1.8 respectively. Planning Data: D =9000 ft true depth, f = 2.875 inches, tubing OD, CIBHP = 6280psi, closed-in bottom hole pressure, FBP = 12550psi, formation breakdown pressure, FPP = 9100psi, fracture propagation pressure, Gpf = 0.4 psi / ft packer fluid gradient, Gf = .48 psi /ft fracturing fluid gradient, g = 0.75 gas gravity at reservoir, Pann = 1000 psi, maximum allowable annulus pressure, SFB =1.1, safety Factor, Burst Condition, SFC =1.0, safety Factor, Collapse Condition, SFT =1.8, safety Factor, Tensile Load, Burst and Collapse rating of available tubings: B_L80 =9395 psi, C_L80 =9920 psi, B_J55 =6453 psi, C_J55 =6826 psi, B_H40 =4693 psi and C_H40 =4960psi. Solution: Step 1: Calculate the ratio of bottomhole pressure to surface pressure. Referring table 4.1 in the manual, determine the ratio of surface and BHP at the given reservoir gas gravity, At a gas gravity = 0.8 and Depth 9000 ft, the ratio is 0.779 At a gas gravity = 0.7 and Depth 9000 ft, the ratio is 0.804 At gas gravity 0.75 the ratio of surface pressure to BHP is Table 4.1 Ratio of surface pressure and BHP in gas wells for a range of gas gravities. Depth of Hole Gas Gravity (ft) (m) 0.60 0.65 0.70 0.80 1000 305 0.979 0.978 0.976 0.973 2000 610 0.959 0.956 0.953 0.946 3000 915 0.939 0.935 0.93 0.92 4000 1219 0.92 0.914 0.907 0.895 5000 1524 0.901 0.893 0.885 0.87 6000 1830 0.883 0.873 0.854 0.847 7000 2133 0.864 0.854 0.844 0.823 8000 2438 0.847 0.835 0.823 0.801 9000 2743 0.829 0.816 0.804 0.779 10000 3048 0.812 0.798 0.764 0.758 11000 3353 0.795 0.78 0.766 0.737 12000 3660 0.779 0.763 0.747 0.717 13000 3962 0.763 0.746 0.729 0.697 14000 4267 0.747 0.729 0.712 0.678 15000 4572 0.732 0.713 0.695 0.659 16000 4876 0.717 0.697 0.67 0.641 17000 5181 0.702 0.682 0.652 0.624 18000 5486 0.687 0.656 0.645 0.607 19000 5791 0.673 0.652 0.631 0.59 20000 6097 0.659 0.637 0.615 0.574 Step 2: Calculate the pertinent pressures for different operating conditions. a) Pressures inside casing-tubing annulus Assuming during the production and killing of well, packer fluid is present inside the casing tubing annulus. For producing situation: Pressure inside annulus at surface = packer fluid gradient * Depth Pkill_prod_surface= = 0.4* 0 = 0 psi Pressure inside annulus at bottom hole = packer fluid gradient * Depth Pkill_prod = Gpf *D = 0.4* 9000 = 3600 psi For Stimulation: Pressure inside annulus at surface= Pstim_surf = 1000 psi Pressure inside annulus at bottomhole = packer fluid gradient * Depth + (Max Allowable pressure inside annulus) Pstim_bh= Gpf *D + Pann = 0.4*9000 + 1000 = 4600 psi b) Pressures inside tubing At bottom hole, pressure = CIBHP At surface, pressure = CITHP (closed in tubing head pressure) CITHP = ratio * CIBHP CITHP = 0.792 * 6280 = 4973 psi KILL SITUATION: When a well is killed, the bottom hole pressure is given as sum of CIBHP and maximum allowable annulus pressure. At bottom hole, pressure inside tubing during kill situation (BHIP) = CIBHP+Pann BHIP =6280 +1000 = 7280psi Tubing head pressure during kill situation is calculated by multiplying BHIP with gas gravity. At tubing head kill pressure (THIP) = ratio * BHIP = 0.792*7280 = 5765 psi FORMATION BREAKDOWN SITUATION: During stimulation the bottomhole pressure is the formation break down pressure and can be calculated by the density of the fracture fluid .In this problem the break down pressure is specified. At bottomhole, pressure inside tubing during formation breakdown (BHFBP) = FBP BHFBP = 12550 psi The tubing head pressure can be calculated by subtracting the hydrostatic head generated by the fracturing fluid from the bottomhole pressure. At tubing head, pressure (THFBP) = FBP -Gf* D =12550- 0.48* 9000 = 8230psi FRACTURE PROPAGATION During stimulation (propagation), we experience some pressure drop due to friction. Based on the pumping rates and properties of proppants we can determine the drop in pressure. Assuming a pressure drop of 0.35 psi / ft (usually calculated through properties of fracturing fluid and pumping rate), the bottomhole pressure at fracture propagation (BHFP) can be calculated as: DPfr = 0.35 psi/ ft At bottomhole, BHFP = FPP BHFP =9100 psi At tubing head, the pressure inside tubing can be calculated as: Tubing head fracture propagation pressure (THFP) = BHFP + DPfr* D Gf*D = 9100 + 0.35*9000 -0.48*9000 =7930 psi Step 3: Calculate the burst load for different operating conditions: Defining the burst loads: Burst Load pressure = pressure inside tubing pressure in the casing- tubing annulus Burst Load at tubing head for producing conditions: BL _surface_prod = CITHP Pkill_prod_surface = 4973 0 = 4973 psi Burst Load at bottomhole for producing conditions: BL _bh_prod = CIBHP Pkill_prod = 6280-3600 = 2680 psi Burst Load at tubing head for killing operation: BL _surface_kill = THIP Pkill_prod_surface = 5765 -0 = 5765 psi Burst Load at bottomhole for killing operation: BL _bh_kill = BHIP Pkill_prod = 7280-3600 = 3680 psi Burst Load at tubing head for formation breakdown: BL _surface_fbp = THFBP Pstim_surf = 8230 -1000 = 7230 psi Burst Load at bottomhole for formation breakdown: BL _bh_fbp = BHFBP Pstim_bh = 12550 -4600 = 7950 psi Burst Load at tubing head for fracture propagation: BL _surface_fbp = THFP Pstim_surf = 7930 -1000 = 6930 psi Burst Load at bottomhole for fracture propagation: BL _bh_fbp = BHFP Pstim_bh = 9100 -4600 = 4500 psi Step 4: Calculation of collapse Load Defining the collapse loads: Collapse load pressure = pressure in casing-tubing annulus- pressure inside tubing In order to plot critical collapse load conditions (CLL) normally, we assume that a slow leak in tubing has changed the pressure inside casing-tubing annulus to CITHP and that tubing is empty and depressurized. Step 5: Plot the Load lines. Plot the burst load and collapse load lines for various completion operations, burst and collapse resistance lines for the available tubing grades. The obtained plot is illustrated in Fig. 4.4. It can be observed from plot that formation breakdown situation has the maximum burst pressures. The maximum burst pressure line and collapse line are plotted with the available ratings of tubing. The resulting plot will look like Fig. 4.5. Then by inspecting the graph we can come to a conclusion that L-80 grade is the best grade available that can withstand the collapse and burst pressures during various operations. But in other situations we have an option to select multiple grades on tubing which are guided by the estimated loading conditions. Estimation of Tensile Load: Most of the tubing failures are caused due to coupling leakage and failure. The failure of coupling can be attributed to inadequate design for tension of the tubing. This load being one of the significant and causes most failures compared to failures due to burst and collapse pressures. A higher safety factor is used while designing tubing. The design can be initiated by considering only the weight of tubing on packer. Some companies even ignore buoyancy effects while calculating weight to have a better design. So ideally a tubing design for tension is carried out by calculating the weight of the tubing in air. Then the buoyant weight of the tubing is calculated using the densities of steel and mud. Selecting a grade of casing which can handle the tensile load generated due to the weight of the tubing. An example below illustrates the design of tubing for tension. Example 4.3 Tension Design Tubing weight: 7.2 lb/ft Tubing length: 12,500 ft Packer fluid: 0.38 psi/ft = 54.72 lb/ft3 Density of steel: 490 lb/ft3 Win_air = 7.2 x 12,500 = 90,000 lb Wbuoyant = = 0.89 x 73,600 = 80,100 lb Joint Specifications J55 L80 EUE HYD CS EUE HYD A95 API joint strength (Klb) Design factor Design capacity (Klb) 99.7 1.8 55.4 100 1.8 55.6 135.9 1.8 75.5 150 1.8 83.3 Tubing Tension Design Considerations 1. Requires L80 tubing at surface 2. Requires joint strength capability of HYD A95 or equivalent Review questions 1. When would buckling of tubing above a packer likely to occur? 2. A 10,000-ft, high-rate oil well is completed with 5ÂÂ ½ 15.5 lb/ft tubing (wall thickness 0.275). Under producing conditions the flowing temperature gradient is 0.40F/100 ft, and under static conditions the geothermal gradient is 1.8oF/100ft from a mean surface temperature of 40oF. When the well is killed with a large volume of 40oF seawater, the bottom-hole temperature drops to 70oF. If free to move, what tubing movement can be expected from the landing condition to the hot producing and to the cold injection conditions? If a hydraulic packer were to be used and set in 30,000 lb tension, what would be the tension loading on the packer after killing the well? (Ignore piston, ballooning and buckling effects). 3. A 7000-ft well that is to be produced with a target of 15,000 STB/D using 5ÂÂ ½ tubing encounters 170 ft of oil-bearing formation with a pressure of 3000 psi. What rating of wellhead should be used? If a single grade and weight tubing is to be used, what is the cheapest string that can probably be run, assuming that Grade Weight (lb/ft) Collapse Strength (psi) Burst Strength (psi) Tensional Strength (1000 lb) Cost Comparison J-55 C-75 N-80 15.5 17.0 17.0 17.0 20.0 4040 4910 6070 6280 8830 4810 5320 7250 7740 8990 300 329 423 446 524 Cheapest Most expensive Moderately expensive REFERENCES 1. Allen, TO and Roberts, AP, Well Completion Design- Production Operations-1, 3rd edition, 1989, pp 182-187. 1. Hammerlindl, DT, Movement, Forces and Stress Associated with Combination Tubing Strings Sealed with Packers, JPT, February 1977. 2. Lubinski, A, Althouse, WS, Logan, TL, Helical Buckling of Tubing Sealed in Packers, JPT, June 1962. 3. Well completion design and practices PE 301-IHRDC EP Manual Series, Boston, MA 02116, USA.

Ota Essay

The role of an Occupational Therapy Assistant is to help people participate in the things they want and need to do through a therapeutic use of activities. The function of the OTA is not limited to other duties such as preparing materials and equipment, collaborate with health professionals, evaluate progress and maintain records, and clerical duties. The OTA works closely with the Occupational Therapist to assist in the development of treatment plans, carry out routine functions, and direct activities. Occupational therapy is useful in many areas of functional life.Helping children in their school environment is one example. A program can be designed to enhance a student’s ability to access and be successful in the learning environment. Curriculum may include tuning fine motor skills, handwriting skills, organizational techniques, and classroom modification in conjunction with the teacher to ensure successful participation. Another area suited for occupational therapy would b e assisting the elderly. The OTA may assist with everyday functions such as dressing and grooming. Focus is to adapt the environment to fit the patient.This can increase the chances of remaining in the home. Adults with limited vision can maintain their independence and complete daily activities with the help of the OT and OTA. Daily tasks can include showering, dressing, cooking, shopping, managing finances, and mobility. As an Occupational Therapy Assistant, I believe I can care for others personally, medically, and emotionally. I will be a productive and effective part of the dynamics between the OT, myself as the OTA, and the patient to achieve the quality of life that is my responsibility to provide.I communicate clearly, have compassion and reasoning, and thrive to become a rehabilitation leader. I can perform independently under instruction, possess organizational skills, and have sense of priority. Being part of the academic system for the past three years has conditioned me to balance life and college responsibilities. My anticipation of entering into a medical health program, such as Occupational Therapy, has allowed me to make adjustments and preparations in my life.I feel that this is an appropriate time in my life to devote myself and become the medical professional I have always wanted to be. I chose to enter this profession because I feel that I can be a productive member of a team and provide physical rehabilitation to others in need. I have the capability to perform all the duties required of the OTA. My goal is to successfully complete the program and become an important part of someone’s life. Further education is a long term goal and am looking forward to starting this new chapter in my life.

Character Analysis on the Conflicts and Themes of...

Notes adopted from Literature: An Introduction to Fiction, Poetry, and Drama and A Short Guide to Writing About Literature Fiction: A name for stories not entirely factual, but at least partially shaped, made up, or imagined. Stories can be based on factual material (I.e., the historical novel) but the factual information is of secondary importance. Ex: Gone with the Wind. Types of Fiction: Fable: A brief story that sets forth some pointed statement of truth. Most fables involve animals endowed with human traits of character and consciousness but do at times involve astronomical bodies and natural physical forces with character traits as in â€Å"The North Wind and the Sun.† A fable customarily ends by explicitly stating its moral. Ex: â€Å"The†¦show more content†¦All-knowing or total omniscient—the narrator sees into the minds of all or some characters, moving when necessary from one to another. B. Editorial omniscient—the narrator knows the feelings of the characters, but adds an occasional comment or opinion about the characters. Ex: â€Å"Godfather Death† C. Impartial omniscient—Narrator present s the thoughts and actions of the characters, but does not judge them or comment on them. D. Limited or selective omniscient—the narrator sees through the eyes of a single character—who may be either a major or minor character. Other characterizations of narrators: A. Innocent narrator or naà ¯ve narrator—usually a character who fails to understand all the implications of the story. Ex: Huck Finn—Huck accepts without question the morality and lawfulness of slavery; he feels guilty for helping Jim, a runaway slave. But far from condemning Huck for his defiance of the law—â€Å"All right, then, I’ll go to Hell,† Huck tells himself, deciding against returning Jim to captivity—the author, and the reader, silently applaud. B. 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Essay about Quantitative Research Article Review - 1175 Words

A Quantitative Research Article Review Shannon Davis TSU Role Development 5040 Dr. DeCuir September 28, 2012 A Quantitative Research Article Review I chose to critique the peer reviewed publication A Quantitative Correlational Study on the Impact of Patient Satisfaction on a Rural Hospital. There are various reasons why I chose this article. I am an agency nurse and work at various different emergency departments around Middle Tennessee. Most of them are concerned about patient satisfaction scores and are frequently called into meetings regarding these scores. Staff at most of these hospitals can be called to the carpet as you may say if we have unsatisfactory reports from patients. This can be very frustrating because not all†¦show more content†¦The method of the study was an ex post facto correlational study and somewhat vague. The hypothesis was clearly stated in this article and two were used. The two used were, â€Å"No correlation exists between the hospitals allied health care department’s revenue and various measures of allied health care customer satisfaction from April 2008 to April 2010† and à ¢â‚¬Å"A correlation exists between the hospital’s allied health care department’s revenue and various measures of allied health care customer satisfaction from April 2008 to April 2010† (Ellis-Jacobs, 2011, p. 2). The article also discussed the research question for the study which is, â€Å"what is the relationship, if any, between allied health care practitioners’ customer service skills and a hospital’s gross revenue† (Ellis-Jacobs, 2011, p. 2). 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Then the essay is concluded with the reflection of learning through this assignment. Clinical Incident My preceptor is a full-time radiation therapist, conducting research to improve patients’ experience during their cancer treatment. Through the placement, I was able to participate in the actual research process by inputting data to an excel spreadsheet. The data was collectedRead MoreTypes Of Quantitative Data Collection And Five Types For Qualitative Data1637 Words   |  7 PagesData Analysis As noted in Table 1, there were four types of quantitative data collection and five types for qualitative data. Quantitative. The quantitative data from the population-sourcing databases was used to define the demographics and subgroups being studied. The PCA performed on the teacher questionnaires resulted in a list of effective teaching factors, which was divided by the subgroup and demographic data, though this list was not included in the study. The PCA results from the studentRead MoreImportance Of Vaccination On Children s Physical And Cognitive Development1697 Words   |  7 PagesTASK A: Locating articles Qualitative or Quantitative? Bloom, D, Canning, D, Shenoy, E 2012, The effect of vaccination on children s physical and cognitive development in the Philippines , Applied Economics, 44, 21, pp. 2777-2783, Business Source Complete, EBSCOhost, viewed 19 May 2015. 1. Identify the: (i) Title of the article ‘The effect of vaccination on children’s physical and cognitive development in the Phillipines’ (ii) Author(s) of the article (Note: surname will suffice) BloomRead MorePurpose Of A Nursing Research Study1646 Words   |  7 Pagescan be done by the research. The nursing research study has a tremendous influence on current and future professional nursing practice, thus rendering it an essential component of the educational process. The purpose of a nursing research study is to collect the information where the result may identify a solution to a problem. As a result, the research study would play a vital role in the nursing profession. Basically, there are two main types of research studies: quantitative and qualitative, thatRead MoreThe Prevention Of Catheter Associated Urinary Tract Infection1723 Words   |  7 PagesThis literature review essay will demonstrate a review of four different research articles and research related methodology The articles and review are based on the prevention of Catheter-associated Urinary Tract Infection (UTI). The aim of this literature review is to review publications concerning the management of Ca theter-related to UTI s including the prevention. Articles reviewed include the various precaution and preventions concerning Catheter-associated urinary tract infection (CAUTI) The

The Threat Of A Terrorist Attack - 918 Words

The constant threat of a terrorist attack is something that not only the United States has to worry about when it comes to economic and political conditions but other countries also. Terrorist groups have continued to threaten to harm innocent people or infrastructures at all cost. One way that terrorist can disrupt the United States economy is an attack on a major shipping port and disrupting their operations. This could cripple part of the United States because many of our states depend on the cargo that is brought in and out of our ports. The United States import many different goods from countries around the world. The following is the top imports from Japan alone : Japan s exports to America amounted to $137.4 billion or 5.7% of its overall imports. 1. Vehicles: $46.5 billion 2. Machines, engines, pumps: $31.8 billion 3. Electronic equipment: $17.6 billion 4. Medical, technical equipment: $6.7 billion 5. Aircraft, spacecraft: $4.9 billion 6. Organic chemicals: $3.9 billion 7. Rubber: $2.5 billion 8. Plastics: $2.3 billion 9. Iron or steel products: $2.3 billion 10. Iron and steel: $1.9 billion As you can see that there is so much money and goods that are depended on the companies of the United States and when it comes to politics, there has been a constant argument on the steps on improving the security postures and equipment at port terminals in America. This is also the case of other port terminals around the world. According to the ContainerShow MoreRelatedThe Threat Of Terrorist Attacks2209 Words   |  9 PagesTerrorist attacks similar to the one experienced in 2001 have left a number of Americans concerned over the likelihood of future terrorist attacks and their potential impacts, as well. Such attacks have increased the level of uncertainty regarding what may happen, which only serves to heighten anxiety and stress levels. Weapons of mass destruction (WMDs), which include chemical, biological, and radiological weapons, have increased the likelihood of incidents of terrorism in America (Friedmann, Read MoreThe Threat Of Terrorist Attacks988 Words   |  4 Pag esIn terrorist attacks, individuals or groups use violence to obtain political or social objectives through the intimidation of a large audience beyond that of the immediate victims (Santifort-Jordan Sandler 2014, 981). If the terrorist attack is particularly shocking, then the terrorist group hopes that their malicious act will cause sufficient social anxiety that society will pressure the government to concede to the group s demands. Suicide terrorist attacks, the execution of which requires theRead MoreNsa Ci The United States And Other Countries From Threat Terrorist Attacks1933 Words   |  8 Pagesthe United States; 2,977 people died in the iconic terrorist attacks (â€Å"September 11th Fast Facts†). 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Social Philosophy Has Its Place in Social Work Practice Free Essays

Social work as a discipline concentrates on theoretical and philosophical positions such as social justice, equality, and empowerment and these may be described as â€Å"philosophies of social work†. (Mackie, 2007) Historically during social works early years, moral concerns laid the foundations for the development of social work and the principal values of the profession, with particular emphasis on the significance of individual worth and dignity and service to humanity (Bisman, 2004). Many of our contemporary professional social work values and ethics have been constructed on the basis of Kantian and Utilitarian philosophies and although mutually they are considered as alternatives; both theories of are based on the assumption of the human being as a freely acting individual and indeed the philosophies share and hold the following approaches: †¢ The moral value of individual persons as autonomous rational beings; †¢ The universality of values and principles; †¢ The possibility of deducing moral ‘laws’ through rational reflection; †¢ The goal of individual liberty; freedom and emancipation and in the just ordering of a society. We will write a custom essay sample on Social Philosophy Has Its Place in Social Work Practice or any similar topic only for you Order Now Human rights and social justice are clearly draw from Kantian and Utilitarian social philosophies and today are regarded as fundamental principals in the practice of social work (Banks 2001). In this paper the author will consider what social philosophy is and what effect if any it has on social work practice in 2011/2012. Political philosophy is influenced by social philosophy which in turn has an impact on the work has carried out by social workers ‘a rigid demarcation between political and social philosophy is impossible, and social philosophers, have influenced recent political philosophy. Social philosophy also deals with philosophical issues relating to institutions such as the family, religion and education. (Bunmin, 2004) Philosophers observed that the development of human behaviour was shaped by their social environment and mainly competitive in nature. From these philosophical origins collectivism grew into what we now know as collectivistic or socialist theories Kantian deontological ethics is a principle-based ethics wherein reason is central. Reasons motivate or predispose action. Gray, 2010)Kant’s ethical theory is grounded in the respect owed to individuals because they are rational moral agents. As social workers we work with service users to determine ‘what is the right thing to do’. Reasons are seen as more reliable when making moral judgements than emotions. This is not to say that Kant overlooks the importance of emotions, merely that they do not give the moral agent reason for action. Moral motives are attached to moral principles t hat lead people to do the right thing. (Gray, 2010) Autonomy and freedom are two absolute values for Kant. He believed that since people were rational beings, they had the ability to create universal laws and follow them. Furthermore, people were self-regulated by their own rules/laws because they were free to determine for themselves without laws imposed by others. Thus, the two notions of autonomy and freedom were identical in Kantian theory and interdependently connected (RHODES, 1986). In contrast with other theories on ethics, such as hedonism and utilitarianism, Kant believed that the purpose of ethics was not to teach people to reach for their personal happiness. On the contrary, ethical living for Kant was achieved at the cost of our urges and instincts. However it is necessary for individuals to be aware of their own personal needs and wills. Concerning social work ethics, the Kantian ethic of self-determination is one of the most important ethical commitments of the social work profession. Social workers are educated to intervene in human lives in a way that their actions preserve the right of all humans to determine for themselves. Self-determination is a fundamental value that entails us as social workers to respect the person and encourage the person to act for themselves(Parrott, 2008). Based on the dual focus of the Kantian theory in autonomy and freedom, the ethic of self-determination reflects a belief that everyone is a rational being who can decide on their own about what is good or bad. Therefore, a rational being can also understand the meaning of punishment when their actions infringe on the freedom and the autonomy of others (Clark, 2000). Furthermore, social workers are also committed to act with respect for one’s dignity, and this also demonstrates Kantian thinking and its absolute ethical obligation to see every person as an end and not as a means (Rhodes, 1986). However social workers need to be conscious, that self-determination in practice may be unclear and can be seen as ‘professional ideology—an inter-related set of values and ideas. The concept is derived from a number of ideas and values outside social work, but it appears to have little direct relevance to social work in practice. (SPICKER, 1990) Kant’s principle of respect for persons, which is very relevant for current social work is as an end in itself, and is tied to his view of individuals as rational beings with autonomy and the capacity to exercise choice (Gray, 2000). It is this condition of human agency that sets the object of moral requirement in place and places limitations on our actions. It is precisely this view of t he individual that social work adopts. It leads to attention being paid to responsibility as the flipside of duty or obligation and to ethical decision making as a rational activity. The classic utilitarian’s believe that the ultimate good is something that most people actually desire, such as happiness or pleasure. Specifically, the doctrine of ethical hedonism and most of the modern utilitarian’s take pleasure as the ultimate goal to which we should aim. In its simplest form, utilitarianism states that in any situation where there is a moral choice, which is likely to produce the greatest happiness for the greatest number of people or the least harm to the world as a whole. Therefore, everyone ought to obey the laws that ensure the balance between the good for the individual and for the society as a whole (Rhodes, 1986; Clark, 2000) However focusing on a utilitarian outlook loses sight of the individual and their values and the riots that took place in England over the summer highlights this. The government â€Å"blamed a â€Å"broken society† for the wave of rioting and looting that spread through London http://www. guardian. co. k/social-care-network/2011/dec/09/live-reading-the-riots-social-careand there was a loud national outcry to deal robustly with the people that that took part in the riots and to give them sanctions like i. e. eviction from social housing, loss of state benefits, jail sentences However there were no considerations made for individuals and rhetoric like ‘social fight back’ gave such a combative position from the government. The summer riots emphasised the need for social workers to adhere to the GSCC codes o f practice and to hold fast to ethics and values that under pin the discipline in the face of the moral panic. As emphasised by Theresa May’s and David Cameron recent speeches â€Å"The riots weren’t about protests, unemployment, cuts,† she said. â€Å"The riots weren’t about the future, about tomorrow. They were about today. They were about now. They were about instant gratification. Because all the riots really come down to was money. † â€Å"Parts of the state and its agencies had become demoralised from a moral collapse that has seen children without fathers and alienated, angry young people. The riots were not about race or poverty, but about behaviour and moral breakdown and people without proper boundaries. http://www. guardian. co. uk/social-care-network/2011/dec/09/live-reading-the-riots-social-care This highlights the challenge that social workers face in contemporary social work, as ‘agents of the state’ how do we work with these service users and empower them to make their own decisions when the current government belittles their fr ustrations and dismisses the inequalities that they experience on a day to day basis and ignore their feelings of powerlessness, voicelessness and under-representation. The government outlook does not take into consideration the evidence which suggests that rioters were generally poorer than the country at large. Analysis of more than a 1,000 court records suggests 59% of the England rioters come from 20% of the most deprived areas of the UK. Other analysis carried out by the Department for Education and the Ministry of Justice on young riot defendants found that 64% came from the poorest fifth of areas and only 3% from the richest. This viewpoint makes it difficult for service users to not regard social workers with an air of suspicion ‘social workers have always been viewed by some people, on the far left of the political spectrum, as part of the social problem because they are agents of the state. This perspective sees social workers’ role as a sop for the poor and the marginalised by a brutal capitalist system. (Okitikpi, 2011) Although this may be difficult for some service users, ultimately as part of their code from The British Association of Social Workers (BASW, 2002): â€Å"social workers have a duty to†¦ ring to the attention of those in power and the general public, and where appropriate challenge ways in which the policies or activities of government, organisations or society create or contribute to structural disadvantages, hardship and suffering or militate against their relief (BASW, 2002, Section 3. 2. 2. 2. a. ). This a code that social workers adhere to as many social worker s were initially motivated to join the profession by their desire to work for social justice and to have direct helping relationships. Cree, 2007)study reinforces the point that practitioners see their role as being that of an enabler and facilitator working alongside people. The entrenchment of user-involvement in all areas of the profession has also done much to reinforce practitioners’ perception of the centrality of the caring aspects of their role. A greater emphasis should be placed on social workers to practice feminist ethics ‘feminist ethics of care attempts to provide a more complete view of morality and ethics in social work of care’ (Gray, 2010). This eschews more abstract ethical perspectives and requires social workers to look at themselves and their capacities for empathy, courage and compassion. Virtue theory insists that it’s misguided to expect reason to be able to establish some infallible moral doctrine which is compulsory and often counter to human nature and emotions. Perhaps morality is not about conforming to rules, but more about being trained to see problematic situations in a moral way. Morality may not be the rational control of the emotions but, more appropriately, the cultivation of desirable emotions (Phoca, 1999). Hugman, 2005)argues there is a growing interest in placing emotions at the heart of ethics. The helping relationship is one where the emotional content is often silent in the discussion of ethics. Feminists regard this approach as reductive in its presumptions about the overriding importance of duties and obligations, and rules and principles in moral behaviour. This implies that social wo rkers keep clients’ confidence, for example, merely because it is their duty to do so. For feminists, there is much more to morality than this we keep confidentiality because we care about our clients. Gray, 2010) Social workers are bound by the GSCC codes of practice; there is an obligation to have regard for inequalities within society and to consider the many forms of discrimination service user’s encounter on a regular basis. Discrimination is explained by Thompson (2007); he describes discrimination with the use of his Personal, Cultural and Structural (PCS) model; the Personal refers to the psychological characteristics of discrimination and how such personal experiences impact upon our attitudes; Cultural makes reference to perceived societal norms – our shared socially How to cite Social Philosophy Has Its Place in Social Work Practice, Papers

German shepherds free essay sample

?In this story you will learn all about German shepherds and their life style. German shepherds are police dogs because they are large, strong, have a great sense of smell, fast, strong teeth to bite, loyal, brave, intelligent, and a hard working breed. A couple facts about German shepherds and there grooming are German shepherd dogs have a double coat. The outer layer is straight, harsh and waterproof and the undercoat is soft and dense. The outer coat sheds throughout the year. Within the German shepherd breed, there are three different types of coats, the double coat, the plush coat, and the longhaired coat. All of these coat types appear fairly frequently. The correct double coat consists of a downy undercoat with an outer layer of longer, coarse guard hairs. Light rain does not penetrate the guard hairs easily and mud tends to dry and fall out of the double coat. This coat doesn’t need extensive care, but a weekly brushing keeps shedding manageable. Regardless, the coat does shed in spring and fall. Plush coats are slightly longer, and, as the name implies, are plusher in look and feel. Longhaired coats may have an undercoat and tend to be very soft. The silky, longhaired coats require more care to prevent tangling. The longhaired coat can be quite beautiful. Despite its exotic look, this coat is not rare or worth more money. German shepherd puppies have a fuzzy coat that will shed and be replaced by an adult coat around the age of four months. Additionally, you can expect that the adult shepherd will shed heavily twice a year, in the spring and again in the fall, although the exact time depends upon your climate and the German shepherd’s living conditions. During seasons when shedding is low, shepherds with a double coat will require only a weekly brushing to maintain a clean, smooth coat. Longhaired German Shepherds should be brushed on a daily basis. German shepherds have bad hips. There condition is called hip Dysplasia also known as (Hip Deformity) German Shepherds with Hip Dysplasia will start hopping with their back legs when walking, and they will show signs of soreness when they lie down, especially after exercise. German shepherd dogs need to be taken on a daily walk, jog or run. While out on the walk the dog must be made to heel beside or behind the person holding the lead, as in a dogs mind the leader leads the way, and that leader needs to be the human. Most shepherds love to play ball or Frisbee. Ten to fifteen minutes of fetching along with daily pack walks will tire your dog out quite nicely as well as give him a sense of purpose. Whether it is ball chasing, Frisbee catching, obedience training, or just taking long walks/jogs, you must be willing to provide some form of daily exercise. The costs of German shepherds is you can get one free from a newspaper ad, about $25 from a public shelter, $75-100 from a private shelter, $150-$200 from a rescue home. German shepherds can also cost around $600. 00 depends on their color age size gender and other. The sizes of German shepherd males can stand 24 to 26 inches the female stand 22 to 24 inches. There weight ranges from 75 to 95 pounds. The color of German shepherd dogs come in a variety of colors, coat patterns and coat types. Coat patterns are solid bi color, stable, and sometimes saddleback. The colors are black, black/blue, silver/white, tan, yellow/golden, red/brown, and brown. Solid pattern dog have a coat that is only one color. White is a masking color and goes/paints over other coat patterns and colors. Whit dogs can genetically be solid, bi color, saddleback, or stable. In the bi color pattern the body is primarily black with a small amount of secondary color under the tail, on the paws and sometimes as eyebrows. They also have black penciling on their toes. The color combinations could be black and silver, black and cream, black and tan, black and red, blue and silver, blue and cream, blue and tan, blue and red, silver and cream, silver and tan, silver and red, golden and black, golden and blue, golden and red and more. The German shepherd dog is a muscular working dog with a high energy level and a hearty appetite. To prevent obesity and to help avoid some hereditary health problems that occur in the breed, provide your dog plenty of exercise and feed them a high-quality diet. Look for ingredients that help to maintain a healthy coat and that are easy to digest. This will help to prevent gastrointestinal upset and ensure that your German shepherd dog properly metabolizes the vitamins and minerals in the food. Given the proper amount or exercise, German shepherds should stay fit and trim. Dogs who are overfed, or who don’t get the exercise that they need, can become obese. If you can’t feel your dog’s ribs, the dog is over weight. To decrease dogs caloric intake without making the dog feel hungry add healthy vegetables to a reduced portion of you dog’s normal food everyday. Some German shepherd dogs may be at risk of conditions that lead to the improper absorption of nutrients from their food. These conditions include exocrine pancreatic insufficiency (EPI) and small-intestine disease, both of which can cause weight loss, even as your dog shows an increased appetite, according to The Merck Veterinary Manual. If you notice that your German shepherd has lost weight but appears to be eating normally, consult with your veterinarian to see if a health condition such as EPI, small-intestine disease, or some other health issue could be the cause. Part of the treatment for these conditions is a diet that is low in fiber and fat, and that contains a high-quality, unusual protein such as venison or lamb as the primary ingredient. EPI or small-intestine disease diets also contain highly digestible carbohydrates, such as rice or potato. Your veterinarian, who will monitor the results and determine whether they are effective for your German shepherd dog, should oversee such diets.