Page 8 - Practical Well Planning and Drilling Manual
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Front Matternew.qxd 1/24/05 11:43 AM Page viii
Practical Well Planning and Drilling Manual
2.8. Formation Evaluation 281
2.8.1. Electric Logging and Sampling 281
2.8.2. Coring 284
2.8.3. Mud Logging 290
2.9. Drilling Problems—Avoidance Planning 293
2.9.1. Wellbore Stability 293
2.9.2. Stuck Pipe 302
2.9.3. Lost Circulation 307
SECTION 3: PRACTICAL WELLSITE OPERATIONS 311
3.1. Well Control 313
3.1.1. Kick Prevention 313
3.1.2. Kick Detection and Response 315
3.1.3. Drilling Below Normal Kick Tolerance Levels 319
3.1.4. Well Killing in a High-Angle Well 320
3.1.5. General Considerations for BOP Equipment 323
3.1.6. Surface BOP Stack Configurations 328
3.1.7. Surface Stack Control System Specifications 327
3.1.8. Surface BOP Stack and Accumulator Testing 328
3.1.9. Well Control: Other Equipment Requirement 333
3.1.10. Suggested Rig Takeover Checklist 334
3.1.11. Minimum Mud Chemical Stock Levels 334
Held on Rig
3.2. Drilling Fluid 337
3.2.1. Solids Control 337
3.2.2. Quality Control 345
3.3. Drilling Problems 347
3.3.1. Stuck Pipe 347
3.3.2. Lost Circulation 359
3.3.3. Washout Detection Procedure 364
3.3.4. Backing Off 365
3.3.5. Fishing Operations 368
3.3.6. Using Cement to Stabilize the Wellbore 373
3.3.7. Making Connections to Minimize Wellbore 374
Instability and Losses
3.3.8. Preplanned Wipertripping 375
3.3.9. Baryte Plugs 376
3.3.10. Diesel Oil Bentonite Plugs (“Gunk Plug”) 379
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