WO1999011900A1 - Drill bit - Google Patents
Drill bit Download PDFInfo
- Publication number
- WO1999011900A1 WO1999011900A1 PCT/EP1998/005703 EP9805703W WO9911900A1 WO 1999011900 A1 WO1999011900 A1 WO 1999011900A1 EP 9805703 W EP9805703 W EP 9805703W WO 9911900 A1 WO9911900 A1 WO 9911900A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cutting
- drill bit
- shearing
- borehole
- rotary drill
- Prior art date
Links
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
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
-
- 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
- E21B10/08—Roller bits
- E21B10/12—Roller bits with discs cutters
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002300158A CA2300158A1 (en) | 1997-08-28 | 1998-08-28 | Drill bit |
BR9811389-5A BR9811389A (en) | 1997-08-28 | 1998-08-28 | Rotary drill bit for drilling a borehole in an earth formation |
GB0003248A GB2344842B (en) | 1997-08-28 | 1998-08-28 | Drill bit |
AU95378/98A AU727657B2 (en) | 1997-08-28 | 1998-08-28 | Drill bit |
NO20000938A NO318151B1 (en) | 1997-08-28 | 2000-02-25 | Drill bit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97306602.0 | 1997-08-28 | ||
EP97306602 | 1997-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999011900A1 true WO1999011900A1 (en) | 1999-03-11 |
Family
ID=8229483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/005703 WO1999011900A1 (en) | 1997-08-28 | 1998-08-28 | Drill bit |
Country Status (12)
Country | Link |
---|---|
CN (1) | CN1098400C (en) |
AR (1) | AR016883A1 (en) |
AU (1) | AU727657B2 (en) |
BR (1) | BR9811389A (en) |
CA (1) | CA2300158A1 (en) |
EG (1) | EG21701A (en) |
GB (1) | GB2344842B (en) |
ID (1) | ID24483A (en) |
NO (1) | NO318151B1 (en) |
OA (1) | OA11327A (en) |
RU (1) | RU2206701C2 (en) |
WO (1) | WO1999011900A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002020936A2 (en) | 2000-09-08 | 2002-03-14 | Shell Internationale Research Maatschappij B.V. | Drill bit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102747960A (en) * | 2012-07-11 | 2012-10-24 | 江汉石油钻头股份有限公司 | Hybrid drill bit |
CN112557092B (en) * | 2020-12-29 | 2022-08-09 | 中国原子能科学研究院 | Sampling device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1014433A (en) * | 1962-10-23 | 1965-12-22 | Continental Oil Co | Apparatus for earth boring |
GB1082690A (en) * | 1963-12-09 | 1967-09-06 | Continental Oil Co | Apparatus for earth boring |
DE3339675A1 (en) * | 1982-12-28 | 1984-07-12 | Sumitomo Metal Mining Co. Ltd., Tokyo | Drilling tool for earth bores |
US5111894A (en) * | 1990-08-23 | 1992-05-12 | Sybil J. Williams | Uninterrupted drill bit |
US5311958A (en) * | 1992-09-23 | 1994-05-17 | Baker Hughes Incorporated | Earth-boring bit with an advantageous cutting structure |
GB2281330A (en) * | 1993-08-24 | 1995-03-01 | Smith International | Core cutting rock bit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US511894A (en) * | 1894-01-02 | Display-case |
-
1998
- 1998-08-26 AR ARP980104232 patent/AR016883A1/en active IP Right Grant
- 1998-08-27 EG EG102898A patent/EG21701A/en active
- 1998-08-28 AU AU95378/98A patent/AU727657B2/en not_active Ceased
- 1998-08-28 GB GB0003248A patent/GB2344842B/en not_active Expired - Fee Related
- 1998-08-28 ID IDW20000365A patent/ID24483A/en unknown
- 1998-08-28 RU RU2000107855A patent/RU2206701C2/en not_active IP Right Cessation
- 1998-08-28 WO PCT/EP1998/005703 patent/WO1999011900A1/en active IP Right Grant
- 1998-08-28 BR BR9811389-5A patent/BR9811389A/en not_active Application Discontinuation
- 1998-08-28 CA CA002300158A patent/CA2300158A1/en not_active Abandoned
- 1998-08-28 CN CN98808608A patent/CN1098400C/en not_active Expired - Fee Related
-
2000
- 2000-02-25 NO NO20000938A patent/NO318151B1/en not_active IP Right Cessation
- 2000-02-28 OA OA1200000056A patent/OA11327A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1014433A (en) * | 1962-10-23 | 1965-12-22 | Continental Oil Co | Apparatus for earth boring |
GB1082690A (en) * | 1963-12-09 | 1967-09-06 | Continental Oil Co | Apparatus for earth boring |
DE3339675A1 (en) * | 1982-12-28 | 1984-07-12 | Sumitomo Metal Mining Co. Ltd., Tokyo | Drilling tool for earth bores |
US5111894A (en) * | 1990-08-23 | 1992-05-12 | Sybil J. Williams | Uninterrupted drill bit |
US5311958A (en) * | 1992-09-23 | 1994-05-17 | Baker Hughes Incorporated | Earth-boring bit with an advantageous cutting structure |
GB2281330A (en) * | 1993-08-24 | 1995-03-01 | Smith International | Core cutting rock bit |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002020936A2 (en) | 2000-09-08 | 2002-03-14 | Shell Internationale Research Maatschappij B.V. | Drill bit |
WO2002020936A3 (en) * | 2000-09-08 | 2002-05-16 | Shell Int Research | Drill bit |
GB2384505A (en) * | 2000-09-08 | 2003-07-30 | Shell Int Research | Drill bit |
AU2002212221B2 (en) * | 2000-09-08 | 2004-11-11 | Shell Internationale Research Maatschappij B.V. | Drill bit |
GB2384505B (en) * | 2000-09-08 | 2005-01-12 | Shell Int Research | Drill bit |
CN1304719C (en) * | 2000-09-08 | 2007-03-14 | 国际壳牌研究有限公司 | Drill bit |
Also Published As
Publication number | Publication date |
---|---|
OA11327A (en) | 2003-12-09 |
CA2300158A1 (en) | 1999-03-11 |
NO20000938L (en) | 2000-02-25 |
NO318151B1 (en) | 2005-02-07 |
AU9537898A (en) | 1999-03-22 |
ID24483A (en) | 2000-07-20 |
AR016883A1 (en) | 2001-08-01 |
NO20000938D0 (en) | 2000-02-25 |
EG21701A (en) | 2002-02-27 |
GB0003248D0 (en) | 2000-04-05 |
CN1268991A (en) | 2000-10-04 |
GB2344842B (en) | 2001-11-28 |
AU727657B2 (en) | 2000-12-21 |
GB2344842A (en) | 2000-06-21 |
CN1098400C (en) | 2003-01-08 |
BR9811389A (en) | 2000-08-29 |
RU2206701C2 (en) | 2003-06-20 |
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