Chapter
3
Bit Technology Upon completion of this chapter, you should be able to: •
Describe the components of roller cone and fixed cutter bits and understand why these variations are advantageous in certain situations.
•
Determine the appropriate type of bit for a future bit run, given the previous bit performances.
•
Describe the various types of fixed cuter bits.
•
Explain why running procedures are different for fixed cutter bits.
Additional Review/Reading Material Rabia, Hussain, Oilwell Drilling Engineering: Principles and Practice, Graham & Trotman, 1985 SPE, Applied Drilling Engineering, SPE Textbook Series, Vol 2, 1986 Moore, Preston, Drilling Practices Manual, 2nd Edition, Pennwell Publishing Company, 1986 Hughes Tool Co.; Video Tape, Tri-Cone Bit Design Hughes Tool Co.; Video Tape, Bit Action On Bottom Hughes Tool Co.; Video Tape, Dull Bit Grading Hughes Tool Co.; Video Tape, Introduction To PDC Bits
Workbook 80270H Rev. B / January 3, 1996
3-1 Confidential