17C-1 The Lease Pumper’s Handbook Chapter 17 Well Servicing and Workover Section C THE TUBING STRING C-1. Tubing and Casing Perforation. The relationship of casing perforations to tubing perforations is important to the performance of the well‚ whether it is a flowing well or produced by artificial lift. The lease operator must know if the tubing perforations are above or below the casing perforations or at the same level (Figure 1). This can be critical as to how much oil the well produces and the
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Cell Membrane Permeability and Osmosis Experiment 3 Objectives: To demonstrate the mechanism involved in Osmosis; To demonstrate the tonicity of solutions by subjecting the cells to different concentration of solute. To view‚ under the microscope‚ any change in the shape and volume of the cells after subjecting them to different concentrations of solutes; To demonstrate the permeability of cell membrane by subjecting the cells to different solutes; To demonstrate the mechanism involved in
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group will be given a concentration of glucose ranging from 5%‚ 10%‚ 20%‚ and 40%. 6 dialysis tubes will be given that will be used to simulate a cell’s membrane as well as 6 beakers that will be filled to 200 ml with distilled water. The 4 different percentages of glucose‚ the control which is distilled water‚ and an unknown substance will all be inserted into the dialysis tubing. Before inserting the substances‚ one must take the dialysis tubing and clamp one end of the tubing. A graduated cylinder
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1x length visking tubing 1x pipette 1x pair safety glasses Instructions – always wear safety glasses! 1. Fill your beaker ¾ full with water 2. Tie a knot in one end of your visking tubing 3. Using your pipette‚ transfer some concentrated sugar solution to the inside of the visking tubing‚ leaving enough space to tie a knot in the open end 4. Add a few drops of red food colouring to the inside of the visking tubing 5. Tie off the open end of the tubing 6. Place the tubing carefully inside the
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TABLE OF CONTENTS TABLE OF CONTENTS page number 1 DESIGN 1 1.1 Defining the problem 2 Focus / research question Hypothesis Background information / theory Investigation Variables 1.2 Controlling Variables 3 Treatment of Controlled Variables Control Experiment 1.3 Experimental Method 4 Materials Risk Assessment Method 2 DATA COLLECTION and PROCESSING * 2.1 Recording Raw Data Quantitative Data Qualitative Data 2.2 Processing
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After the dialysis tubing soaked in the distilled water overnight‚ the measurements showed that the dialysis tubing increased in mass. The initial weight of the dialysis tubing was 19.08 grams‚ but it went up to 19.34 grams after sitting in the distilled water for some time. The amount of distilled water in the beaker also decreased. There used to be 200 mL of distilled water in the beaker‚ but it decreased to 199 mL after the dialysis tubing soaked in it. The data collected supports the claim that
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the following dimensions: -Side lengths of 10mm‚ 8mm‚ 6mm‚ 4mm‚ and 2mm. 2. Pour the 1M HCl solution into each of the beakers to a depth of 1.5 cm. 3. Place all pieces of agar into the solution at the same time and gently agitate while recording the time each takes to decolourise completely. 4. Record all raw data in the table you have prepared. Results: All organisms need to exchange substances such as food‚ waste‚ gases and heat with their surroundings. These substances must
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Direction and concentration gradients Bradley Benton ABSTRACT In this experiment‚ we will investigate the effect of solute concentration on osmosis. A semi‐permeable membrane (dialysis tubing) and sucrose will create an osmotic environment similar to that of a cell. Using different concentrations of sucrose (which is unable to cross the membrane) will allow us to examine the net movement of water across the membrane. INTRODUCTION A major determinant of diffusion in a biological system is membrane
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PERMIABILITY TEST AIM OF THE EXPERIMENT: To determine the coefficient of permeability of a given soil sample by Variable head permeability test. APPARATUS REQUIRED: a) Special: i. Jodhpur permeameter frame consisting of sand pipe graduated scale‚ rubber tubing connected to permeameter mould. Permeameter mould. Accessories of permeameter mould including the cover‚ base‚ detachable collar‚ porous stones‚ dummy plate etc. Round filter paper. Dynamic compaction device. ii. iii. iv. v. b) General:
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find the effect of temperature on the membrane permeability of beetroot. Since I was unfamiliar with this experiment‚ I first conducted a preliminary test. I considered my preliminary test as my trial for this experiment. My Hypothesis for this experiment was to found out the amount of pigment loss of beetroot when exposed to varying temperatures. Betalain pigment found in beetroot My method for this experiment is:- * Use a cork borer to cut about 3 cores of fresh beetroot approximately 8mm in length
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