sup equipment.doc

14
1. Using the BOP configuration shown below answer the following questions. a. With the well shut in under pressure on 5” drillpipe in the hole, is it possible to repair the side outlets of the drilling spool? A. Yes B. No b. With no drillpipe in the hole, is it possible to shut the well in under pressure and change the 3-1/2” rams to 5” rams? A. Yes B. No c. With the well shut in on 3-1/2” rams (on 3-1/2” pipe) under pressure, and with a safety valve in the string, is it possible to change 5” rams to variable bore rams? A. Yes B. No d. With the well shut in on 5” pipe rams under pressure, is it possible to change blind rams to 5” pipe rams? A. Yes B. No e. With the well shut in on 5” pipe rams under pressure, can the annular element be replaced? A. Yes B. No f. With the well shut in on 5” pipe rams under pressure, can the manual valve on the choke line be replaced? A. Yes B. No 2. How much hydraulic fluid is required to close, open then close again: - ‘The stack is “RSRDA” with one Kill Line and one Choke line ANNULAR BLIND SHEAR RAM 5” PIPE RA M SPO O L HCR KillLine 3 1 / 2 ” PIPE RA M HCR Choke Line

Upload: muhammad-ali

Post on 04-Sep-2015

263 views

Category:

Documents


6 download

DESCRIPTION

drilling

TRANSCRIPT

1

1. Using the BOP configuration shown below answer the following questions.

a.With the well shut in under pressure on 5 drillpipe in the hole, is it possible to repair the side outlets of the drilling spool?

A. Yes

B. No

b.With no drillpipe in the hole, is it possible to shut the well in under pressure and change the 3-1/2 rams to 5 rams?

A. Yes

B. No

c.With the well shut in on 3-1/2 rams (on 3-1/2 pipe) under pressure, and with a safety valve in the string, is it possible to change 5 rams to variable bore rams?

A. Yes

B. No

d. With the well shut in on 5 pipe rams under pressure, is it possible to change blind rams to 5 pipe rams?

A. Yes

B. No

e.With the well shut in on 5 pipe rams under pressure, can the annular element be replaced?

A. Yes

B. No

f.With the well shut in on 5 pipe rams under pressure, can the manual valve on the choke line be replaced?

A. Yes

B. No2. How much hydraulic fluid is required to close, open then close again: -

The stack is RSRDA with one Kill Line and one Choke line valve.

Annular Preventer:

22 gallons to close.20 gallons to open.

Pipe ram:

16 gallons to close.13 gallons to open

Kill and Choke Line Valves:1 gallon to close.

1 gallon to open

Answer : .gallons.3. What pressure does the manufacturer use to test the body of a new 10,000 psi

BOP?

a. 15,000 psi.

b. 10,000 psi.

c. 20,000 psi.

d. 17,500 psi.4. What is the first action that should be taken after connecting the open and close hydraulic lines to the surface installed BOP stack?

a. Drain the accumulator cylinders and check the nitrogen precharge pressure.

b. Function test all items on the stack.

c. Place all functions in neutral position and start pressure testing the BOP d. Perform accumulator unit pump capacity test.5. According to API RP 53, 1997; BOP stacks should be pressure tested on a

regular basis. This would include:

(THREE answers)

a. After any disconnection or repair.

b. Prior to a known high pressure zone.

c. Not to exceed 21 days.

d. Prior to spud.

e. After each new casing string.6. What is the Rated Working Pressure for BOP equipment according to API RP 59

a. Maximum anticipated bottom hole pressure.

b. Maximum anticipated pore pressure.

c. Maximum anticipated surface pressure.

d. Maximum anticipated hydrostatic drilling mud pressure.

e. Maximum anticipated dynamic choke pressure.7. What is a 7-1/16, 10,000 psi flange?

a. It is designed for RX ring gasket type.

b. It has a 10,000 psi test pressure and 5000 psi working pressure.

c. It has a 10,000 psi working pressure and 7-1/16 ID.

d. It has a 7-1/16 OD and a 10,000 psi working pressure.9. Figures 1, 2 and 3 below show three different types of end outlet connections

1

2

3Identify the types of connection by matching the correct number to the description:

a. Clamp hub connection.: ..b. Flanged connection.: ..c. Studded connection.: ..10. Figure below illustrates a Hydril GK Annular Preventer commonly used for Surface BOP installations

Match the correct numbers to the component below

a.3Opening Chamber.

b.4Closing Chamber Hydraulic Inlet.

c.6Preventer Body.

d.5Operating Piston.

e.1Screwed Head.

f.2Packing Unit.

12. Figure below illustrates a Cameron D type Annular Preventer

D Type Annular BOP

Match the correct numbers to the component below.

a.9Closing hydraulic port.

b.3Opening hydraulic port.

c.1Packer inserts.

d.8Operating Piston.

e.2Ring groove.

f.5Packer.

13. Figure below illustrates a pipe ram.

Match the numbered parts to the correct components listed below.

a. 4. Top Seal.

b. 1. Ram Packer.

c. 2. Ram Block.

d. 3. Ram Assembly.

14. The main functions of the weep hole on ram type B.O.P is to:

(Two answers)

a. Show the bonnet seal is leaking.

b. Show the primary mud seal on the piston rod is leaking.

c. Release any overpressure that may occur during testing.

d. Prevent damage to the opening chamber.

15. Which of the following statements about fixed bore ram type BOPS are correct

(THREE ANSWERS)a. Ram type BOPs are designed to contain and seal Rated Working Pressure

from above the closed rams as well as from below.

b. Ram type BOPs should be equipped with a mechanical locking system.

c. Fixed bore ram type BOPs can close and seal on various pipe sizes.

d. Fixed bore ram type BOPs can be used to hang off the drill string.

e. Ram type BOPs are designed to contain and seal Rated Working Pressure only from below the closed rams.

16. What is the meaning of Closing Ratio for a ram type BOP - as defined by API RP53?

a. The ratio between opening and closing volume.

b. The ratio of the wellhead pressure to the BOP closing pressure.

c. The ratio between opening and closing time.

d. The ratio between BOP rated working pressure and hydraulic control unit working pressure.17. What mechanisms are used to close the choke and kill line valves on a BOP ?a. Pneumatic motor.

b. Spring force.

c. Hydraulic pressure.

d. Well bore pressure.

18. There is only one inside BOP with an NC50 (4-1/2 inch IF) pin connection on

the rig. The drill string consists of: -

5-inch Heavy Weight drill pipe (NC50)

8-inch (6-5/8 Reg.) drill collars.

Which of the following crossovers must be on the rig floor while tripping?

a. NC50 (4-1/2 inch IF) Box x 6-5/8 inch Reg. pin.

b. NC50 (4-1/2 inch IF) Box x 7-5/8 inch Reg. pin.

c. NC50 (4-1/2 inch IF) Box x 6-5/8 inch Reg. box.

d. 6-5/8 inch Reg. Box x 7-5/8 inch Reg. Pin.19. Full opening safety valves (stab-in kelly cock type) should be placed on the rig floor at all times, ready for use, to fit the tubulars being used.

Which of the following actions can be performed with a full opening valve in the string?

(THREE ANSWERS)

a. Easier to stab if strong flow is encountered up the drill string.

b. Must not be run in the hole in the closed position.

c. Has to be pumped open to read Shut In Drill Pipe Pressure.

d. Will not allow wireline to be run inside the drill string.

e. Is kept in its open position by a rod secured by a T-handle.

f. Requires the use of a key to close.

20. Which method is used to operate the remotely operated valves on the choke line?

a. Hydraulic fluid.

b. Air.

c. Nitrogen.

d. Wires.21. 32Match the items listed below to the numbers indicated on the drawing.

a. 8. Valve spring

b. 3. Release tool

c. 5. Valve seat

d. 2. Valve release rod

e. 1. Release rod locking screw22. Why are some choke manifolds equipped with a glycol or methanol injection system?

a. To minimize the effect of hot climates.

b. To help prevent hydrate formation while circulating a kick.

c. To help fluids flow better during well testing.

d. To protect rubber goods in high temperature wells.23. Figure below illustrates a hydraulic control schematic for a BOP Control System.

Select the list below that indicates the valves that should be open while drilling.

a. Valves; 2, 3, 5, 6, 7, 8, 11, 13, 14, 16, 17, 18.

b. Valves; 1, 3, 5, 7, 8, 10, 11, 14, 15, 17, 18.

c. Valves; 2, 3, 4, 7, 9, 10, 12, 13, 15, 16, 18.

d. Valves; 1, 2, 4, 5, 7, 8, 9, 11, 12, 14, 17.24. What is the minimum (API RP53) recommended capacity of the hydraulic fluid reservoir on the hydraulic BOP control unit?

a. Twice of the usable fluid of the accumulator.

b. Twice of the closing volume of the BOP.

c. Twice of the accumulator capacity22. Which gas is used to pre-charge the accumulator bottles on a BOP Hydraulic Control Unit?

a. Air.

b. Nitrogen.

c. Oxygen.

d. Carbon Dioxide (CO2).

e. Methane.

23 What is the minimum recommended (API RP53) pre-charge pressure for the accumulator bottles on a 3000-psi Hydraulic Control Unit?

a. 3000 psi.

b. 1000 psi.

c. 1200 psi.

d. 200 psi.24. A BOP hydraulic control unit accumulator bank has 20 cylinders: -

Cylinder capacity (Nitrogen & Fluid) - 10 gallons.Accumulator pre-charge pressure - 1,000 psi.Accumulator operating pressure - 3,000 psi.Minimum accumulator operating pressure - 1,200 psi.

Calculate the total usable fluid volume for the accumulator bank?

a. 40 gallons.

b. 100 gallons.

c. 66 gallons.

d. 200 gallons.25. The Annular unit/remote switch on the accumulator allows you to do what when unit is selected.

a. Adjust the annular regulator from the remote panel.

b. Adjust the manifold regulator from the accumulator.

c. Adjust the manifold regulators from the remote panel.

d. Adjust the annular regulator from the accumulator.26. Which of the following functions on a BOP is supplied from Manifold Pressure?

(TWO ANSWERS)

a. Ram BOP Preventers.

b. Hydraulically operated choke and kill line valves.

c. Annular BOP Preventer

d. All BOP stack functions.27. What is the NORMAL Accumulator pressure reading on a 3000-psi Hydraulic Control Unit?

a. 3000 psi.

b. 2500 psi.

c. 1500 psi.

d. 700 - 1500 psi.29. Which function on a BOP stack is supplied from the annular pressure regulator?

a. Rams and hydraulically operated choke and kill line valves.

b. Annular preventer only.

c. Annular preventer and hydraulically operated choke and kill line valves.

d. Ram preventer, annular preventer and hydraulically operated choke and kill line valves.

e. No function is supplied with this pressure; the value on the gauge only indicates the maximum allowable working pressure for the annular preventer in use.30. What is the closing time for a ram type BOP - according to API RP53?

a. Less than 30 seconds.

b. Less than 45 seconds.

c. Less than 2 minutes31. What is the function of the master control valve on the remote BOP control panel on the rig floor?

a. To allow pressuring up of the 4-way valves on the hydraulic control unit.

b. To activate the open or close lights.

c. To activate power to the control unit charge pumps.

a. To allow pressuring up of the control valves on the remote BOP control panel.

32. Where are the electric (activating) switches for the BOP remote control panel lights located?

a. On the pressure gauge mounted on the remote control panel.

b. On the BOP hydraulic control unit.

c. Inside the BOP operating chambers.

d. On the remote control panel operating handles.

33. You close a ram on the Driller's remote B.O.P control panel. The close light for that function illuminates but you notice that the manifold pressure gauge does not drop. What has happened?

a. Air supply has been lost to the Driller's panel

b. 4-way ram valve on accumulator unit has failed to shift

c. Blockage in line between accumulator unit and B.O.P stack

d. You forgot to hold down the master control valve for 5 seconds as instructed34. You are drilling ahead and the gauges on the Accumulator unit show: (the BOP has not been operated and the charge pump is not running).

Select the best answer

a. Everything OK.

b. There is a leak in the hydraulic system.

c. There is a malfunction in the pressure transducer assembly.

d. There is a malfunction in the hydraulic regulators.

e. Faulty pump stop/start switch.