WO2002052122A1 - A method and drill bit for reducing the cuttings size to a predetermined maximum size - Google Patents
A method and drill bit for reducing the cuttings size to a predetermined maximum size Download PDFInfo
- Publication number
- WO2002052122A1 WO2002052122A1 PCT/NO2001/000506 NO0100506W WO02052122A1 WO 2002052122 A1 WO2002052122 A1 WO 2002052122A1 NO 0100506 W NO0100506 W NO 0100506W WO 02052122 A1 WO02052122 A1 WO 02052122A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drill bit
- drilling
- drilling fluid
- buttons
- percussive
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005553 drilling Methods 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 6
- 239000010432 diamond Substances 0.000 claims abstract description 6
- 238000009527 percussion Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 10
- 239000011435 rock Substances 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5671—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts with chip breaking arrangements
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01985461A EP1356185B1 (en) | 2000-12-21 | 2001-12-21 | A method and drill bit for reducing the cuttings size to a predetermined maximum size |
DE60122933T DE60122933T2 (en) | 2000-12-21 | 2001-12-21 | PROCESS AND DRILL TO REDUCE THE CUTTING SIZE TO A PREDETERMINED MAXIMUM SIZE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20006591 | 2000-12-21 | ||
NO20006591A NO316856B1 (en) | 2000-12-21 | 2000-12-21 | Procedure for drilling and percussion drill for performing this |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002052122A1 true WO2002052122A1 (en) | 2002-07-04 |
Family
ID=19911940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO2001/000506 WO2002052122A1 (en) | 2000-12-21 | 2001-12-21 | A method and drill bit for reducing the cuttings size to a predetermined maximum size |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1356185B1 (en) |
AT (1) | ATE338877T1 (en) |
DE (1) | DE60122933T2 (en) |
NO (1) | NO316856B1 (en) |
WO (1) | WO2002052122A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3918538A (en) * | 1974-07-01 | 1975-11-11 | Hughes Tool Co | Rotary percussion earth boring bit |
US4373592A (en) * | 1980-11-28 | 1983-02-15 | Mobil Oil Corporation | Rotary drilling drill string stabilizer-cuttings grinder |
EP0345096A1 (en) * | 1988-06-03 | 1989-12-06 | Boart International Limited | Drill bit |
US5366032A (en) * | 1993-06-09 | 1994-11-22 | Kay Mark A | Rock bit |
-
2000
- 2000-12-21 NO NO20006591A patent/NO316856B1/en not_active IP Right Cessation
-
2001
- 2001-12-21 EP EP01985461A patent/EP1356185B1/en not_active Expired - Lifetime
- 2001-12-21 DE DE60122933T patent/DE60122933T2/en not_active Expired - Lifetime
- 2001-12-21 WO PCT/NO2001/000506 patent/WO2002052122A1/en active IP Right Grant
- 2001-12-21 AT AT01985461T patent/ATE338877T1/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3918538A (en) * | 1974-07-01 | 1975-11-11 | Hughes Tool Co | Rotary percussion earth boring bit |
US4373592A (en) * | 1980-11-28 | 1983-02-15 | Mobil Oil Corporation | Rotary drilling drill string stabilizer-cuttings grinder |
EP0345096A1 (en) * | 1988-06-03 | 1989-12-06 | Boart International Limited | Drill bit |
US5366032A (en) * | 1993-06-09 | 1994-11-22 | Kay Mark A | Rock bit |
Also Published As
Publication number | Publication date |
---|---|
NO20006591L (en) | 2002-06-24 |
EP1356185B1 (en) | 2006-09-06 |
DE60122933D1 (en) | 2006-10-19 |
EP1356185A1 (en) | 2003-10-29 |
NO316856B1 (en) | 2004-06-01 |
NO20006591D0 (en) | 2000-12-21 |
DE60122933T2 (en) | 2007-09-06 |
ATE338877T1 (en) | 2006-09-15 |
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