Lesson 5

EX.5.

1. To ensure any tool run into a hole will go through.

2. To prolong valves life and for integrity.

3. To stop fluid flow, to control fluid flow by adjusting flow opening.

4. Gate valves, ball valves, plug valves.

5. Needle valves, chokes, globe valves, butterfly valves.

6. To adjust and control fluid flow.

7. Housing, stem, wheel, seat, disc.

8. The valves will be damaged by erosion and will not close all the way down.

ЕХ.7.1.

1. The operation of this equipment is a necessity of the job and is very important for economic operation of the facilities.

2. Chemical storage tank, a chemical pump and some method of measuring the injection rate.

3. Regardless of the type of container used to store the chemical, it should provide for safe storage.

4. Pneumatic or electric drive piston types.

5. Use of draw down gauges or calibrated tubes.

LESSON 6

EX.5.

1. Drill line is a wirerope used for pulling pipe out of a hole.

2. Emergency kill is the rig motor shut off in case of emergency.

3. Correct.

4. Correct.

5. To nipple up BOP means to install BOP on a wellhead.

6. ВОР drill is a training for personnel on how to act in case of a blowout.

EX.6.

1. Well completions and workover.

2. Service rig, BOP, mud pump, storage tanks, boiler, generator, additional equipment for different operations.

3. Driller's panel, weight indicator, power tongs, air slips.

4. Main drawworks, secondary drawworks, 2 auxiliary hoists.

5. Latch on tubing to pull out of the hole.

6. Guylines, monkey board lines, load lines, escape buggy line, drill line, sandline, catline.

7. Blowout preventer is a device for shutting-in a well in case of a kick or a blowout.

8. Blind rams, pipe rams and a hydril are closed by the pressure of hydraulic fluid from the bottles hoses.

9. Before any works on a well if the well is flowing.

10. Made of heavy-duty rubber, petals close to the centre regardless of tubing presence or absence in the hole.

11. Kill a well, well circulation, squeeze acid into formation, transfer fluids from one tank to another.

12. Determine volume of fluid, store a few fluids at the same time, mix CaCL₂ blend, visual control of incoming fluid, oil degassing, quick union line make up.

13. To generate steam and steam up equipment as well as heat up shacks.

14. On distant locations with no power lines available and in case they need 380 V voltage.

EX.9.2.

1. A misapplied pump may operate outside the recommended range, overload or underload the motor or ruin the well at a rapid rate which may result in formation damage.

2. Assuming that wells from the same producing horizon will have similar characteristics.

3. High water cut wells producing fresh water or brine, wells with multi-phase flow, wells producing highly viscous fluids.

4. The pump starts producing lower than normal head as the gas-to-liquid ratio increases beyond a certain " critical" value.

5. Gases must be separated from the other fluids prior to the pump intake.