BE869758A - Trepan de forage par rotation - Google Patents
Trepan de forage par rotationInfo
- Publication number
- BE869758A BE869758A BE189899A BE189899A BE869758A BE 869758 A BE869758 A BE 869758A BE 189899 A BE189899 A BE 189899A BE 189899 A BE189899 A BE 189899A BE 869758 A BE869758 A BE 869758A
- Authority
- BE
- Belgium
- Prior art keywords
- rotational drilling
- trepan
- drilling trepan
- rotational
- drilling
- Prior art date
Links
- 241000425571 Trepanes Species 0.000 title 1
- 238000005553 drilling Methods 0.000 title 1
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
-
- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3452777A GB1537000A (en) | 1977-08-17 | 1977-08-17 | Rotary drilling bit |
Publications (1)
Publication Number | Publication Date |
---|---|
BE869758A true BE869758A (fr) | 1979-02-16 |
Family
ID=10366748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE189899A BE869758A (fr) | 1977-08-17 | 1978-08-16 | Trepan de forage par rotation |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE869758A (fr) |
CA (1) | CA1086299A (fr) |
DE (1) | DE2835660C2 (fr) |
FR (1) | FR2400610A1 (fr) |
GB (1) | GB1537000A (fr) |
MX (1) | MX146381A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3113109C2 (de) * | 1981-04-01 | 1983-11-17 | Christensen, Inc., 84115 Salt Lake City, Utah | Drehbohrmeißel für Tiefbohrungen |
GB2148978B (en) * | 1983-10-29 | 1987-01-07 | Nl Petroleum Prod | Improvements in or relating to rotary drill bits |
GB8628168D0 (en) * | 1986-11-22 | 1986-12-31 | Nl Petroleum Prod | Rotary drill bits |
GB9310500D0 (en) * | 1993-05-21 | 1993-07-07 | De Beers Ind Diamond | Cutting tool |
DE9308444U1 (de) * | 1993-06-05 | 1993-08-19 | Bilfinger + Berger Bauaktiengesellschaft, 68165 Mannheim | Bohrkrone für Bohrungen in Bohrgrund mit drückendem Wasser |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1582332A (en) * | 1923-12-08 | 1926-04-27 | William V Seifert | Roller-bits drilling tool |
US2371489A (en) * | 1943-08-09 | 1945-03-13 | Sam P Daniel | Drill bit |
US2371490A (en) * | 1944-04-10 | 1945-03-13 | Jr Edward B Williams | Step-cut drill bit |
US3308896A (en) * | 1964-08-20 | 1967-03-14 | Homer I Henderson | Drilling bit |
US3420324A (en) * | 1966-04-15 | 1969-01-07 | Herbert J Vesper | Air rotary drill bit |
US3416617A (en) * | 1966-08-22 | 1968-12-17 | Walker Neer Mfg Company Inc | Drill bit |
DE1483782A1 (de) * | 1966-10-26 | 1969-04-03 | Reed Internat Inc | Bohrmeissel |
US3416618A (en) * | 1966-10-28 | 1968-12-17 | Dresser Ind | Shrouded bit |
US3439757A (en) * | 1968-03-12 | 1969-04-22 | Wayland D Elenburg | Drilling apparatus |
FR2029963A5 (fr) * | 1969-03-19 | 1970-10-23 | Petroles Cie Francaise | |
US3709308A (en) * | 1970-12-02 | 1973-01-09 | Christensen Diamond Prod Co | Diamond drill bits |
GB1348694A (en) * | 1971-05-10 | 1974-03-20 | Shell Int Research | Diamond bit |
FR2231845A1 (en) * | 1973-06-01 | 1974-12-27 | Shell Int Research | Diamond drill bit - with single row of diamonds along each mud channel |
US4098363A (en) * | 1977-04-25 | 1978-07-04 | Christensen, Inc. | Diamond drilling bit for soft and medium hard formations |
-
1977
- 1977-08-17 GB GB3452777A patent/GB1537000A/en not_active Expired
-
1978
- 1978-06-30 CA CA306,633A patent/CA1086299A/fr not_active Expired
- 1978-08-14 DE DE19782835660 patent/DE2835660C2/de not_active Expired
- 1978-08-15 MX MX17453078A patent/MX146381A/es unknown
- 1978-08-16 BE BE189899A patent/BE869758A/fr not_active IP Right Cessation
- 1978-08-16 FR FR7823889A patent/FR2400610A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
MX146381A (es) | 1982-06-17 |
GB1537000A (en) | 1978-12-29 |
DE2835660A1 (de) | 1979-03-01 |
DE2835660C2 (de) | 1986-10-16 |
CA1086299A (fr) | 1980-09-23 |
FR2400610B1 (fr) | 1983-05-13 |
FR2400610A1 (fr) | 1979-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Effective date: 19890831 |