| Application Number | Priority Date | Filing Date | Title |
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| US09/579,609US6438495B1 (en) | 2000-05-26 | 2000-05-26 | Method for predicting the directional tendency of a drilling assembly in real-time |
| GB0112510AGB2367626B (en) | 2000-05-26 | 2001-05-23 | A method for predicting the directional tendency of a drilling assembly in real time |
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| GB0307074D0 GB0307074D0 (en) | 2003-04-30 |
| GB2384567A GB2384567A (en) | 2003-07-30 |
| GB2384567Btrue GB2384567B (en) | 2004-08-11 |
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| GB0307074AExpired - Fee RelatedGB2384567B (en) | 2000-05-26 | 2001-05-23 | A method for predicting the directional tendency of a drilling assembly in real-time |
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| US7360612B2 (en) | 2004-08-16 | 2008-04-22 | Halliburton Energy Services, Inc. | Roller cone drill bits with optimized bearing structures |
| US7434632B2 (en) | 2004-03-02 | 2008-10-14 | Halliburton Energy Services, Inc. | Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals |
| US7729895B2 (en) | 2005-08-08 | 2010-06-01 | Halliburton Energy Services, Inc. | Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability |
| US7860693B2 (en) | 2005-08-08 | 2010-12-28 | Halliburton Energy Services, Inc. | Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| US7860696B2 (en) | 2005-08-08 | 2010-12-28 | Halliburton Energy Services, Inc. | Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools |
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| US7866413B2 (en) | 2006-04-14 | 2011-01-11 | Baker Hughes Incorporated | Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics |
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| GB2186715A (en)* | 1986-02-11 | 1987-08-19 | Nl Industries Inc | Method and apparatus for controlling the direction of a drill bit in a borehole |
| GB2210481A (en)* | 1987-09-25 | 1989-06-07 | Nl Industries Inc | Drilling |
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| GB2186715A (en)* | 1986-02-11 | 1987-08-19 | Nl Industries Inc | Method and apparatus for controlling the direction of a drill bit in a borehole |
| GB2210481A (en)* | 1987-09-25 | 1989-06-07 | Nl Industries Inc | Drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7334652B2 (en) | 1998-08-31 | 2008-02-26 | Halliburton Energy Services, Inc. | Roller cone drill bits with enhanced cutting elements and cutting structures |
| US7497281B2 (en) | 1998-08-31 | 2009-03-03 | Halliburton Energy Services, Inc. | Roller cone drill bits with enhanced cutting elements and cutting structures |
| US7434632B2 (en) | 2004-03-02 | 2008-10-14 | Halliburton Energy Services, Inc. | Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals |
| US9493990B2 (en) | 2004-03-02 | 2016-11-15 | Halliburton Energy Services, Inc. | Roller cone drill bits with optimized bearing structures |
| US7360612B2 (en) | 2004-08-16 | 2008-04-22 | Halliburton Energy Services, Inc. | Roller cone drill bits with optimized bearing structures |
| US7827014B2 (en) | 2005-08-08 | 2010-11-02 | Halliburton Energy Services, Inc. | Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations |
| US7778777B2 (en) | 2005-08-08 | 2010-08-17 | Halliburton Energy Services, Inc. | Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| US7860693B2 (en) | 2005-08-08 | 2010-12-28 | Halliburton Energy Services, Inc. | Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| US7860696B2 (en) | 2005-08-08 | 2010-12-28 | Halliburton Energy Services, Inc. | Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools |
| US8145465B2 (en) | 2005-08-08 | 2012-03-27 | Halliburton Energy Services, Inc. | Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools |
| US8296115B2 (en) | 2005-08-08 | 2012-10-23 | Halliburton Energy Services, Inc. | Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| US8352221B2 (en) | 2005-08-08 | 2013-01-08 | Halliburton Energy Services, Inc. | Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations |
| US8606552B2 (en) | 2005-08-08 | 2013-12-10 | Halliburton Energy Services, Inc. | Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| US7729895B2 (en) | 2005-08-08 | 2010-06-01 | Halliburton Energy Services, Inc. | Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability |
| Publication number | Publication date |
|---|---|
| GB0307074D0 (en) | 2003-04-30 |
| GB2384567A (en) | 2003-07-30 |
| Publication | Publication Date | Title |
|---|---|---|
| GB2367626B (en) | A method for predicting the directional tendency of a drilling assembly in real time | |
| GB2365463B (en) | Drilling method | |
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| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee | Effective date:20120523 |