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- 1. Multiple Choice
Which cutting action is the most prominent when PDC bits are used?
Shearing
Gouging
Crushing
Compressing
- 2. Fill in the Blank
Which zone in a PDC bit profile represents the outermost part of the bit which controls the stability of the bit?
- 3. Multiple Choice
Is it TRUE that the body of PDC bit is composed of polycrystalline diamond material?
Yes
No
- 4. Multiple Choice
Which TWO (2) of the following are correctly describing about matrix-bodied PDC bits?
Not easily abraded
Not weldable or repairable
Easily abraded
Easily weldable or repairable
- 5. Multiple Choice
Which bit profile is the best design for drilling soft formations?
Flat profile
Short parabolic
Medium parabolic
Long parabolic
- 6. Multiple Choice
What are the three main types of fixed cutter bits?
Drag bit
Diamond bit
PDC bit
Milled tooth bit
Insert bit
- 7. Multiple Choice
PDC bits are commonly used to drill the shallowest section of a hole. True or False?
True
False
- 8. Multiple Choice
Does shallow cone design in PDC bits allow better steerability for directional drilling?
Yes
No
- 9. Multiple Choice
In terms of cutter density, the ____ cutters on the PDC bit, the ____ effective they are to drill hard formations.
more ...... more
less ...... less
more ...... less
less ...... more
- 10. Multiple Choice
Study the diagram. Which TWO (2) describes correctly about the the consequences of the design?
The cutter attacks the formation less aggressively.
The cutter attacks the formation more aggressively.
Drill soft formations more effectively
Drill hard formations more effectively
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