EG21701A - Drill bit - Google Patents
Drill bitInfo
- Publication number
- EG21701A EG21701A EG102898A EG102898A EG21701A EG 21701 A EG21701 A EG 21701A EG 102898 A EG102898 A EG 102898A EG 102898 A EG102898 A EG 102898A EG 21701 A EG21701 A EG 21701A
- Authority
- EG
- Egypt
- Prior art keywords
- drill bit
- drill
- bit
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Holo Graphy (AREA)
- Surgical Instruments (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97306602 | 1997-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
EG21701A true EG21701A (en) | 2002-02-27 |
Family
ID=8229483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG102898A EG21701A (en) | 1997-08-28 | 1998-08-27 | Drill bit |
Country Status (12)
Country | Link |
---|---|
CN (1) | CN1098400C (pt) |
AR (1) | AR016883A1 (pt) |
AU (1) | AU727657B2 (pt) |
BR (1) | BR9811389A (pt) |
CA (1) | CA2300158A1 (pt) |
EG (1) | EG21701A (pt) |
GB (1) | GB2344842B (pt) |
ID (1) | ID24483A (pt) |
NO (1) | NO318151B1 (pt) |
OA (1) | OA11327A (pt) |
RU (1) | RU2206701C2 (pt) |
WO (1) | WO1999011900A1 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR030606A1 (es) | 2000-09-08 | 2003-08-27 | Shell Int Research | Broca de barrena |
CN102747960A (zh) * | 2012-07-11 | 2012-10-24 | 江汉石油钻头股份有限公司 | 一种混合钻头 |
CN112557092B (zh) * | 2020-12-29 | 2022-08-09 | 中国原子能科学研究院 | 取样装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US511894A (en) * | 1894-01-02 | Display-case | ||
BE639074A (pt) * | 1962-10-23 | |||
US3265139A (en) * | 1963-12-09 | 1966-08-09 | Continental Oil Co | Roller cone drill bit |
JPS59122690A (ja) * | 1982-12-28 | 1984-07-16 | 住友金属鉱山株式会社 | 地中穿孔ドリルビツト |
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 |
US5394952A (en) * | 1993-08-24 | 1995-03-07 | Smith International, Inc. | Core cutting rock bit |
-
1998
- 1998-08-26 AR ARP980104232 patent/AR016883A1/es active IP Right Grant
- 1998-08-27 EG EG102898A patent/EG21701A/xx active
- 1998-08-28 CN CN98808608A patent/CN1098400C/zh not_active Expired - Fee Related
- 1998-08-28 WO PCT/EP1998/005703 patent/WO1999011900A1/en active IP Right Grant
- 1998-08-28 GB GB0003248A patent/GB2344842B/en not_active Expired - Fee Related
- 1998-08-28 RU RU2000107855A patent/RU2206701C2/ru not_active IP Right Cessation
- 1998-08-28 AU AU95378/98A patent/AU727657B2/en not_active Ceased
- 1998-08-28 BR BR9811389-5A patent/BR9811389A/pt not_active Application Discontinuation
- 1998-08-28 CA CA002300158A patent/CA2300158A1/en not_active Abandoned
- 1998-08-28 ID IDW20000365A patent/ID24483A/id unknown
-
2000
- 2000-02-25 NO NO20000938A patent/NO318151B1/no not_active IP Right Cessation
- 2000-02-28 OA OA1200000056A patent/OA11327A/en unknown
Also Published As
Publication number | Publication date |
---|---|
AR016883A1 (es) | 2001-08-01 |
CN1268991A (zh) | 2000-10-04 |
NO318151B1 (no) | 2005-02-07 |
GB2344842A (en) | 2000-06-21 |
AU727657B2 (en) | 2000-12-21 |
CN1098400C (zh) | 2003-01-08 |
AU9537898A (en) | 1999-03-22 |
NO20000938L (no) | 2000-02-25 |
OA11327A (en) | 2003-12-09 |
GB2344842B (en) | 2001-11-28 |
RU2206701C2 (ru) | 2003-06-20 |
CA2300158A1 (en) | 1999-03-11 |
ID24483A (id) | 2000-07-20 |
GB0003248D0 (en) | 2000-04-05 |
NO20000938D0 (no) | 2000-02-25 |
WO1999011900A1 (en) | 1999-03-11 |
BR9811389A (pt) | 2000-08-29 |
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