NL6900861A - - Google Patents
Info
- Publication number
- NL6900861A NL6900861A NL6900861A NL6900861A NL6900861A NL 6900861 A NL6900861 A NL 6900861A NL 6900861 A NL6900861 A NL 6900861A NL 6900861 A NL6900861 A NL 6900861A NL 6900861 A NL6900861 A NL 6900861A
- Authority
- NL
- Netherlands
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (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 |
|---|---|---|---|
| GB2915/68A GB1212915A (en) | 1968-01-19 | 1968-01-19 | Apparatus for bore-hole drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6900861A true NL6900861A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-07-22 |
Family
ID=9748474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6900861A NL6900861A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-01-19 | 1969-01-17 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8103119A (nl) * | 1980-07-12 | 1982-02-01 | Preussag Ag | Boorwerktuig voor het vervaardigen van gekromd verlopende delen van diepe boringen. |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48103001A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-03-16 | 1973-12-24 | ||
| US4067404A (en) * | 1976-05-04 | 1978-01-10 | Smith International, Inc. | Angle adjustment sub |
| US4361192A (en) * | 1980-02-08 | 1982-11-30 | Kerr-Mcgee Corporation | Borehole survey method and apparatus for drilling substantially horizontal boreholes |
| US4299295A (en) * | 1980-02-08 | 1981-11-10 | Kerr-Mcgee Coal Corporation | Process for degasification of subterranean mineral deposits |
| ATE22961T1 (de) * | 1982-08-25 | 1986-11-15 | Shell Int Research | Im bohrloch angeordneter antrieb und richtbohrverfahren. |
| DE3403239C1 (de) * | 1984-01-31 | 1985-06-27 | Christensen, Inc., Salt Lake City, Utah | Vorrichtungen zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen |
| DE3417743C1 (de) * | 1984-05-12 | 1985-03-28 | Norton Christensen, Inc., Salt Lake City, Utah | Vorrichtung zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen |
| DE3423465C1 (de) * | 1984-06-26 | 1985-05-02 | Norton Christensen, Inc., Salt Lake City, Utah | Vorrichtungen zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen |
| US5343967A (en) * | 1984-05-12 | 1994-09-06 | Baker Hughes Incorporated | Apparatus for optional straight or directional drilling underground formations |
| US4577701A (en) * | 1984-08-08 | 1986-03-25 | Mobil Oil Corporation | System of drilling deviated wellbores |
| USRE33751E (en) * | 1985-10-11 | 1991-11-26 | Smith International, Inc. | System and method for controlled directional drilling |
| US4667751A (en) * | 1985-10-11 | 1987-05-26 | Smith International, Inc. | System and method for controlled directional drilling |
| US4762186A (en) * | 1986-11-05 | 1988-08-09 | Atlantic Richfield Company | Medium curvature directional drilling method |
| DE3804493A1 (de) * | 1988-02-12 | 1989-08-24 | Eastman Christensen Co | Vorrichtung zum wahlweisen geradeaus- oder richtungsbohren in unterirdische gesteinsformationen |
| DE3939538A1 (de) * | 1989-11-30 | 1991-06-13 | Eastman Christensen Co | Richtungsbohrwerkzeug |
| US5139094A (en) * | 1991-02-01 | 1992-08-18 | Anadrill, Inc. | Directional drilling methods and apparatus |
| US5117927A (en) * | 1991-02-01 | 1992-06-02 | Anadrill | Downhole adjustable bent assemblies |
| US5165491A (en) * | 1991-04-29 | 1992-11-24 | Prideco, Inc. | Method of horizontal drilling |
| US5148876A (en) * | 1991-06-10 | 1992-09-22 | Prideco, Inc. | Lightweight drill pipe |
| US5368109A (en) * | 1993-11-04 | 1994-11-29 | Slim Dril International Inc. | Apparatus for arcuate drilling |
| US5738178A (en) * | 1995-11-17 | 1998-04-14 | Baker Hughes Incorporated | Method and apparatus for navigational drilling with a downhole motor employing independent drill string and bottomhole assembly rotary orientation and rotation |
| DE10359880B4 (de) * | 2003-12-18 | 2012-08-30 | Tracto-Technik Gmbh | Bohrgestängesystem mit einem flexiblen Biegeelement und Verfahren zum optimierten Richtungsbohren |
| US7814996B2 (en) * | 2008-02-01 | 2010-10-19 | Aquatic Company | Spiral ribbed aluminum drillpipe |
| US9556679B2 (en) * | 2011-08-19 | 2017-01-31 | Precision Energy Services, Inc. | Rotary steerable assembly inhibiting counterclockwise whirl during directional drilling |
| CN114135227B (zh) * | 2020-09-04 | 2023-08-08 | 万晓跃 | 一种高稳定性短半径造斜钻井工具 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2336338A (en) * | 1932-04-20 | 1943-12-07 | John A Zublin | Apparatus for drilling bores deviating from existing well bores |
| US2500267A (en) * | 1945-03-26 | 1950-03-14 | John A Zublin | Apparatus for drilling deflecting well bores |
| US2565794A (en) * | 1945-10-02 | 1951-08-28 | Signal Oil & Gas Co | Directional drilling of deviated boreholes |
| US2805840A (en) * | 1954-07-14 | 1957-09-10 | Thompson Vaughan | Arc cutter for diamond drilling |
| US2829864A (en) * | 1955-02-01 | 1958-04-08 | Seth R Knapp | Method and apparatus for straightening well bore holes |
| US3380543A (en) * | 1966-01-19 | 1968-04-30 | Pan American Petroleum Corp | Directional well-drilling apparatus |
| GB1182791A (en) * | 1967-01-25 | 1970-03-04 | Bristol Siddeley Engines Ltd | Stabilisers for Borehole Drilling. |
-
1968
- 1968-01-19 GB GB2915/68A patent/GB1212915A/en not_active Expired
-
1969
- 1969-01-17 NL NL6900861A patent/NL6900861A/xx unknown
- 1969-01-17 US US791913*A patent/US3563323A/en not_active Expired - Lifetime
- 1969-01-17 DE DE19691902363 patent/DE1902363A1/de active Pending
- 1969-01-20 FR FR6900861A patent/FR2000464A1/fr not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8103119A (nl) * | 1980-07-12 | 1982-02-01 | Preussag Ag | Boorwerktuig voor het vervaardigen van gekromd verlopende delen van diepe boringen. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2000464A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-09-05 |
| DE1902363A1 (de) | 1969-07-31 |
| GB1212915A (en) | 1970-11-18 |
| US3563323A (en) | 1971-02-16 |