1. What is primary Blow-Out Prevention?
a. BOP's
b. Drilling Mud
c. Float shoe
d. P.V.T.
2. Why do we drill surface hole with a reduced R.O.P.?
a. To give the mud longer to form a wall cake, preventing hole collapse
b. To reduce the penetration in a possible shallow gas pocket.
c. To reduce the cuttings volume in the annulus.
d. To prevent wash-outs.
3. What brake system uses a steel drum rotated through a magnetic field produced by concentric electromagnets mounted inside the drum.
a. Hydromatic brake
b. Magnetic Particle brake
c. Eddy Current brake
d. Drum brake
e. Disc brake
4. An 18° type elevator is used for :
a. Drillpipe
b. Tubing
c. Casing
d. Pump Rods
5. What is the function of drilling fluid in a well ?
a. Remove cuttings from the bottom of the hole
b. Transmit power for downhole motors
c. Acts as a transmission fluid for some logging tools
d. All of the above.
6. Lignosulphonate (as a thinner) will:
a. Absorb on the negative edges of clay platelets
b. Absorb on the positive edges of clay platelets
c. Encapsulate the clay platelets.
d. All of the above.
7. A filtercake is build up from :
a. Mud solids from the wellbore
b. Mud solids from the wellbore and solids added to the system.
c. Mud solids from the wellbore and a chemical reaction.
d. Solids added to the mud.
8. Why is the PH of the drilling mud so important?
a. To minimise corrosion
b. To improve ROP
c. To reduce the resistance to flow.
d. To neutralise acidic fluids from the formation.
e. All of the above
f. a+d only.
9. What is the approximate PH value of mud?
a. + 5
b. +10
c. +15
d. +20
10. "Roping" in a hydrocyclone is :
a. Using a rope or stick to clean the apex.
b. Flooding liquid out of the apex.
c. A type of discharge out of the apex
d. A leak in the cone
Answers
1. What is primary Blow-Out Prevention? b. Drilling Mud
2. Why do we drill surface hole with a reduced R.O.P.? c. To reduce the cutting volume in the annulus.
3. What brake system uses a steel drum rotated through a magnetic field produced by concentric electromagnets mounted inside the drum. c. Eddy Current brake
4. An 18° type elevator is used for : a. Drillpipe
5. What is the function of drilling fluid in a well ? d. All of the above.
6. Lignosulphonate ( as a thinner) will: b. Absorb on the positive edges of clay platelets
7. A filtercake is build up from : b. Mud solids from the wellbore and solids added to the system.
8. Why is the PH of the mud so important? f. a+d only.
9. What is the approximate PH value of mud? b. +10
10. "Roping" in a hydrocyclone is : c. A type of discharge out of the apex
0 Response to "General Questions With Answers - 6 -"
Post a Comment