Drilling Technology

Ice Drilling and Coring

• Human Anatomy Study Course
• Saving 40% On Fuel Everyday
• House Plans and Home Floor Plans

Charles R. Bentley, Bruce R. Koci, LaurentJ.-M. Augustin, Robin J. Bolsey, James A. Green, Jay D. Kyne, Donald A. Lebar, William P. Mason, Alexander J. Shturmakov, Hermann F. Engelhardt, William D. Harrison, Michael H. Hecht, and Victor Zagorodnov

1. 1 Introduction 222
2. 2 Coring Drills 224
3. 2.1 Surface-Driven Rotary Drills 224
4. 2.2 Wireline Drill 226
5. 2.3 Cable-Suspended Electromechanical Drills 226
6. 2.4 Cable-Suspended Electrothermal Drills 248
7. 2.5 Hand Augers 257
8. 2.6 "Koci Drill" for Debris-Laden Ice 259
9. 3 Hole-Only Drills 262
10. 3.1 Hot-Water Drilling Systems 262
11. 3.2 Flame-Jet Drill 283
12. 3.3 Steam Drills 283
13. 3.4 Electric Hot Points 284
14. 3.5 "Electrochaude" 284
15. 3.6 Rapid Air Movement Drill 285
16. 3.7 Coiled Tubing Drill for Ice 286
17. 4 Autonomous Ice-Melting Drills 286
18. 4.1 Cryobot 288
19. 4.2 Subsurface Ice Probe 289
20. 5 Drilling Fluids 292
21. 5.1 Main Fluids 293
22. 5.2 Densifiers 294
23. 6 Comments on Encountering the Bed 295
24. 7 Drilling to Characterize the Glacier Bed 297
25. 7.1 Accessing the Bed 297
26. 7.2 Sampling and Characterizing the Bed 299
27. 8 Conclusion 300 References 303

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