| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/611,310US7600586B2 (en) | 2006-12-15 | 2006-12-15 | System for steering a drill string |
| US11/668,341US7497279B2 (en) | 2005-11-21 | 2007-01-29 | Jack element adapted to rotate independent of a drill bit |
| US11/673,872US7484576B2 (en) | 2006-03-23 | 2007-02-12 | Jack element in communication with an electric motor and or generator |
| US11/837,321US7559379B2 (en) | 2005-11-21 | 2007-08-10 | Downhole steering |
| PCT/US2007/086323WO2008076625A2 (en) | 2006-12-15 | 2007-12-04 | System for steering a drill string |
| Publication Number | Publication Date |
|---|---|
| EP2092153A2 EP2092153A2 (en) | 2009-08-26 |
| EP2092153A4true EP2092153A4 (en) | 2015-03-25 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07865141.1AWithdrawnEP2092153A4 (en) | 2006-12-15 | 2007-12-04 | SYSTEM FOR DIRECTING A DRILL ROD TRAIN |
| Country | Link |
|---|---|
| EP (1) | EP2092153A4 (en) |
| CN (1) | CN101563520B (en) |
| AU (1) | AU2007334141B2 (en) |
| BR (1) | BRPI0718338A2 (en) |
| CA (1) | CA2672658C (en) |
| MX (1) | MX338284B (en) |
| MY (1) | MY155017A (en) |
| NO (1) | NO20092420L (en) |
| WO (1) | WO2008076625A2 (en) |
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| RU2616956C2 (en)* | 2012-01-11 | 2017-04-18 | Хэллибертон Энерджи Сервисиз, Инк. | Bha electromotor in form of pipe-in-pipe |
| CN103672165A (en)* | 2012-09-05 | 2014-03-26 | 许文红 | Long-lasting wireless probe device capable of replacing wired probes |
| CN103306606B (en)* | 2013-06-28 | 2015-07-08 | 中国地质大学（武汉） | A planetary gear system energy-saving double-layer drill bit for oil and gas deep well drilling |
| CA2931101C (en)* | 2014-02-20 | 2018-05-29 | Halliburton Energy Services, Inc. | Closed-loop speed/position control mechanism |
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| CN112227952A (en)* | 2020-10-31 | 2021-01-15 | 河南城建学院 | Trenchless directional drill bit |
| CN114086949B (en)* | 2021-10-21 | 2023-04-11 | 航天凯天环保科技股份有限公司 | Geological exploration sampling method guided by hydraulic pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003008754A1 (en)* | 2001-07-16 | 2003-01-30 | Shell Internationale Research Maatschappij B.V. | Steerable rotary drill bit assembly with pilot bit |
| US20030178232A1 (en)* | 2002-03-25 | 2003-09-25 | Smith International, Inc. | Multi profile performance enhancing concentric drill bit |
| GB2409220A (en)* | 2003-12-17 | 2005-06-22 | Schlumberger Holdings | Borehole apparatus |
| Title |
|---|
| See also references ofWO2008076625A2* |
| Publication number | Publication date |
|---|---|
| CN101563520B (en) | 2013-04-10 |
| MX338284B (en) | 2016-04-11 |
| CA2672658A1 (en) | 2008-06-26 |
| WO2008076625A3 (en) | 2009-02-26 |
| MX2009006368A (en) | 2009-08-26 |
| NO20092420L (en) | 2009-06-25 |
| CA2672658C (en) | 2014-07-08 |
| WO2008076625A2 (en) | 2008-06-26 |
| CN101563520A (en) | 2009-10-21 |
| BRPI0718338A2 (en) | 2013-11-19 |
| AU2007334141B2 (en) | 2014-03-06 |
| EP2092153A2 (en) | 2009-08-26 |
| MY155017A (en) | 2015-08-28 |
| AU2007334141A1 (en) | 2008-06-26 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) | Owner name:SERVICES PETROLIERS SCHLUMBERGER Owner name:PRAD RESEARCH AND DEVELOPMENT LIMITED Owner name:SCHLUMBERGER TECHNOLOGY B.V. Owner name:SCHLUMBERGER HOLDINGS LIMITED | |
| A4 | Supplementary search report drawn up and despatched | Effective date:20150225 | |
| RIC1 | Information provided on ipc code assigned before grant | Ipc:E21B 10/26 20060101AFI20150219BHEP Ipc:E21B 10/16 20060101ALI20150219BHEP Ipc:E21B 41/00 20060101ALI20150219BHEP | |
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