1. What is OBM?

A.

Oil Based mud

B.Oil based machinery

C.

A downhole tool

D.

IBM’s evil brother

2. What is added to increase the density of mud?

A.Add Bentonite

B.Add Barite

C.

Heat it up

D.

Shake it

3. The drilling fluid does not:

A.

Help with wellbore stability

B.

Lubricate drill bit

C.Produce oil

D.Transport solids

4. How many gallons of mud in one Barrel?

A.4

B.

19

C.26

D.42

5. What one is not a density product?

A Barite

.

B.Salts

C.Calcium Carbonate

D.Caustic Soda

6. What is not a Loss return indicator?

A.Partial to no return at shakers

B.

Drop in pit levels

C.

Increased torque

D.Loss of pump pressure

7. What is not a Rheological Model for drilling fluids?

A.Newtonian

B.Pascalian

C.Bingham Fluid

D.

Power Law Fluid

8. What equipment of the following it not used for removing of solids from the drilling mud?

A.Gumbo Shaker

B.

Shale Shaker

C.

Catwalk Machine

D.Hydrocyclones

9. What of the following statements is not correct?

A.

We consider solids in the mud by size

B.

We consider solids in the mud by weight

C.We consider solids in the mud by weather they are reactive or inert

D.We consider solids in the mud by color

10. In what Unit do we measure the particle sizes?

A.

Watt

B.Newton

C.Microns

D.Joule

11. What is the specific gravity of Barite?

A.1,2

B.2,2

C.3,2

D.4,2

12. Screens are used in what equipment?

A.Hydrocyclones

B.Shale Shakers

C.

Centrifuges

D.Mud Pits

13. What equipment is used for Waste Transport?

A.

Topdrive

B.

Crown Block

C.

Surge Tanks

D.

Screw Conveyor

14. What is this equipment?

A.

Mud Pump

B.Centrifuge

C.Degasser

D.Shale shaker

15. Who is the costumers for drilling fluids?

A.Service Companies

B.

Operators

C.Drilling Contractors

D.Other

16. Low gravity solids have a specific gravity less than?

A.0,8

B.1,5

C.2,6

D.4,2

17. We use Water Based Mud becasue it is cheaper and better for the enviornment

A.True

B.

False

C.Does not matter

18. We use Synthetic Oil Based Mud only in low temperatur viscosity and due to enviornmental causes?

A.True

B.

False

19. What is main contaminant in the mud to remove?

A.Oil

B.

Gas

C.Cuttings

D.Water

20. What is not done to cuttings

A.

Treated

B.Sent to shore

C.

Pumped back into the well and mixed with mud

21. What is the primary fluid in non-aqueous mud?

A.Water

B.Acids

C.

Diesel

D.

Rum

22. Why do we add barite to the drilling mud?

A.To increase temperature

B.To increase density

C.To increase velocity

D.

To change color

23. What is not a typical mud additive?

A.

Bentonite

B.Lignite

C.

CO2

D.Caustic Soda

24. Where is the mud mixed?

A.

In well

B.In pits

C.

On land

D In the BOP

.

25. What equipment is commonly used to treat mud?

A.Shale Shaker

B.CMC

C.

Drillers Cabin

D.MWD

26. What can happen if the mud weight is to high or to low?

A.If the mud weight is to low the well can collapse, and if it is to high then it can fracture.

B.If the mud weight is to low the well can fracture, and if it is to high it can collapse.

C.

To low, produce less oil. To high produce more oil

27. What is not a way to measure viscosity?

A.

Funnel Viscosity

B.

Viscometer

C.

Rheometer

D.Viscology

28. The shear stress measured at low shear rate after a mud has set quiescently for a period of time is the

A.

Gel Strength

B.Fluid density

29. What is the base fluid in NAF?

A.Diesel

B.

Mineral Oil

C.Synthetic Oil

D All of the above

.

30. Is there water in NAF?

A.

Yes

B.

No

C.

Sometimes

31. What is known as a Gel?

A.Clay

B.

Barite

C.

Polymer

D.

Caustic

32. How are "colloidals" removed?

A.

Shale shaker

B.Centrifuge

C.Desilter

D.

Chemically

33. What size contaminants do shale shakers remove?

A.Cuttings

B.

Colloidals

C.Sand

D.Silt

34. These rotate inside to separate the fluids/solids

A.

Desander

B.

Desilter

C.Gas Buster

D.

Centrifuge

Which of the following is not the function of rotary table?a. To rotate the drill string and bitb. To house and rotate the master bushingc. To rotate the Kelly and drill stringd. To reciprocate the drill string up and down.d. To reciprocate the drill string up and downWhat is the main function of Kelly?To permits easy gripping for transmission of rotary motionKelly is to be connected to the top drive system for rotating the drill string. True or FalseFalseWhat is the use of mouse hole in the derrick floor?To house one drill pipe joint and helps making the connectionWhat is the major function of rig power system?Rotating, Hoisting, mud circulation, running mud cleaning equipment and operating BOPPrimary function of the circulating system isTo remove drill cuttings from the holeWhat is the major function of the drill collarsTo provide sufficient weight on the drill bit (WOB), and make sure drillstring is always in tension.Which of the following item is the essential part of Hoisting system?mud pumpdrawworksshale shakerhydrocyclonedrawworksIs stabilizer a part of Bottom Hole Assembly?YesIncreasing mud volume (mud gain) is an indication ofTaking a kickA drill bit size is 20 inch. In principle this bit should drill a hole with diameter of20 inchChance of taking kick increases duringTripping pipe or pulling pipe out of the hole (POOH)Lost circulation is most likely to occur duringDrilling a holeWhat is the most common range of drill pipe?27‐30 ftWhat is the function of drilling slips?

To hold the drill pipe in place, prevent it from slipping; and ease making and breaking connection