Weatherford/Lamb
Patent Applications and Registrations
Patent applications and USPTO patent grants for Weatherford/Lamb.The latest application filed is for "in-line inspection tool for pipeline integrity testing".
- Weatherford/Lamb - Houston TX US
- Weatherford/Lamb -
| Patent | Date |
|---|---|
| Fail safe regulator for deep-set safety valve having dual control lines Grant 08616291 - | 2013-12-31 |
| Fail safe regulator for deep-set safety valve having dual control lines Grant 8,616,291 - Smith , et al. December 31, 2 | 2013-12-31 |
| In-line Inspection Tool For Pipeline Integrity Testing App 20100199767 - Ganin; Yevgeniy Vladimirovich | 2010-08-12 |
| Expansion Joint With Communication Medium Bypass App 20100101778 - LEMBCKE; JEFFRY J. | 2010-04-29 |
| Method and apparatus for expanding tubulars in a wellbore Grant 7,503,396 - Hester March 17, 2 | 2009-03-17 |
| Method for extracting coal bed methane with source fluid injection Grant 7,278,497 - Terry , et al. October 9, 2 | 2007-10-09 |
| Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same App 20060194700 - Gatlin; Larry W. ; et al. | 2006-08-31 |
| Downhole filter Grant 7,093,653 - Metcalfe , et al. August 22, 2 | 2006-08-22 |
| Wellbore isolation apparatus, and method for tripping pipe during underbalanced drilling Grant 7,086,481 - Hosie , et al. August 8, 2 | 2006-08-08 |
| Tubing injector Grant 7,073,602 - Simpson , et al. July 11, 2 | 2006-07-11 |
| Expandable tubulars Grant 6,966,369 - Harrall , et al. November 22, 2 | 2005-11-22 |
| Method of using underbalanced well data for seismic attribute analysis Grant 6,807,486 - Tobias , et al. October 19, 2 | 2004-10-19 |
| Apparatus for retaining two strings of tubulars App 20040040701 - Jansch, Manfred | 2004-03-04 |
| Port Collar assembly for use in a wellbore App 20030019630 - Freiheit, Roland R. ; et al. | 2003-01-30 |
| Sand removal and device retrieval tool App 20020174987 - Hoffman, Corey E. ; et al. | 2002-11-28 |
| Method and apparatus for plugging a wellbore App 20020162657 - Tumlin, David Moore ; et al. | 2002-11-07 |
| Crossover housing for gas lift valve App 20020139534 - Holt, James H. JR. | 2002-10-03 |
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