Inventor · disambiguated record
Tommy M. Warren
Also filed as: WARREN TOMMY M
55 granted patents·2 pending applications·3,488 citations·filing 1985–2014
99Inventor score
Top patents by PatentIndex Score
57 records- 0198US5010789AMethod of making imbalanced compensated drill bitAMOCO CORP·Filed 1989·Granted Apr 30, 1991·228 cites·10 claims
- 0298US4854397ASystem for directional drilling and related method of useAMOCO CORP·Filed 1988·Granted Aug 8, 1989·256 cites·4 claims
- 0397US4932484AWhirl resistant bitAMOCO CORP·Filed 1989·Granted Jun 12, 1990·200 cites·10 claims
- 0496US5402856AAnti-whirl underreamerAMOCO CORP·Filed 1993·Granted Apr 4, 1995·275 cites·22 claims
- 0596US4815342AMethod for modeling and building drill bitsAMOCO CORP·Filed 1987·Granted Mar 28, 1989·219 cites·19 claims
- 0695US5423389ACurved drilling apparatusAMOCO CORP·Filed 1994·Granted Jun 13, 1995·211 cites·29 claims
- 0795US5131478ALow friction subterranean drill bit and related methodsBRETT J FORD·Filed 1990·Granted Jul 21, 1992·218 cites·26 claims
- 0895US5042596AImbalance compensated drill bitAMOCO CORP·Filed 1990·Granted Aug 27, 1991·209 cites·12 claims
- 0994US4905776ASelf-balancing drilling assembly and apparatusAMOCO CORP·Filed 1989·Granted Mar 6, 1990·73 cites·2 claims
- 1092US4982802AMethod for stabilizing a rotary drill string and drill bitAMOCO CORP·Filed 1989·Granted Jan 8, 1991·110 cites·2 claims
- 1191US5194859AApparatus and method for positioning a tool in a deviated section of a boreholeAMOCO CORP·Filed 1991·Granted Mar 16, 1993·137 cites·6 claims
- 1291US4914591AMethod of determining rock compressive strengthAMOCO CORP·Filed 1988·Granted Apr 3, 1990·83 cites·7 claims
- 1388US7013992B2Borehole stabilization while drillingTESCO CORP·Filed 2003·Granted Mar 21, 2006·63 cites·78 claims
- 1488US4862974ADownhole drilling assembly, apparatus and method utilizing drilling motor and stabilizerAMOCO CORP·Filed 1988·Granted Sep 5, 1989·79 cites·20 claims
- 1587US5213168AApparatus for drilling a curved subterranean boreholeAMOCO CORP·Filed 1991·Granted May 25, 1993·108 cites·70 claims
- 1683USRE34435EWhirl resistant bitAMOCO CORP·Filed 1992·Granted Nov 9, 1993·84 cites·11 claims
- 1782US5103919AMethod of determining the rotational orientation of a downhole toolAMOCO CORP·Filed 1990·Granted Apr 14, 1992·77 cites·10 claims
- 1882US4721172AApparatus for controlling the force applied to a drill bit while drillingAMOCO CORP·Filed 1985·Granted Jan 26, 1988·63 cites·8 claims
- 1981US4705117AMethod and apparatus for reducing drill bit wearAMOCO CORP·Filed 1985·Granted Nov 10, 1987·35 cites·21 claims
- 2080US5259468AMethod of dynamically monitoring the orientation of a curved drilling assembly and apparatusAMOCO CORP·Filed 1991·Granted Nov 9, 1993·74 cites·15 claims
- 2178US5111892AImbalance compensated drill bit with hydrostatic bearingSINOR L ALLEN·Filed 1990·Granted May 12, 1992·73 cites·9 claims
- 2276US7647990B2Method for drilling with a wellbore linerTESCO CORP·Filed 2006·Granted Jan 19, 2010·16 cites·19 claims
- 2375US4660656AMethod and apparatus for controlling the rotational torque of a drill bitAMOCO CORP·Filed 1985·Granted Apr 28, 1987·45 cites·29 claims
- 2474US5941323ASteerable directional drilling toolBP AMOCO CORP·Filed 1997·Granted Aug 24, 1999·67 cites·28 claims
- 2573US4948925AApparatus and method for rotationally orienting a fluid conducting conduitAMOCO CORP·Filed 1989·Granted Aug 14, 1990·46 cites·34 claims
- 2672US7845431B2Retrieval tool with slips for retrieving bottom hole assembly during casing while drilling operationsTESCO CORP·Filed 2008·Granted Dec 7, 2010·12 cites·20 claims
- 2772US7219727B2Wear resistant tubular connectionTESCO CORP·Filed 2002·Granted May 22, 2007·29 cites·37 claims
- 2871US7520343B2Retrievable center bitTESCO CORP·Filed 2005·Granted Apr 21, 2009·13 cites·11 claims
- 2968US5547031AOrientation control mechanismAMOCO CORP·Filed 1995·Granted Aug 20, 1996·56 cites·20 claims
- 3068US4905775ADrilling system and flow control apparatus for downhole drilling motorsAMOCO CORP·Filed 1988·Granted Mar 6, 1990·38 cites·7 claims
- 3165US7814972B2Wireline entry subTESCO CORP·Filed 2008·Granted Oct 19, 2010·8 cites·18 claims
- 3265US7604057B1Incremental U-tube process to retrieve of bottom hole assembly during casing while drilling operationsTESCO CORP US·Filed 2008·Granted Oct 20, 2009·11 cites·20 claims
- 3365US7472763B2Wear resistant tubular connectionTESCO CORP·Filed 2006·Granted Jan 6, 2009·6 cites·17 claims
- 3463US7798251B2Circulation system for retrieval of bottom hole assembly during casing while drilling operationsTESCO CORP·Filed 2008·Granted Sep 21, 2010·7 cites·20 claims
- 3563US7708077B2Retrieval of bottom hole assembly during casing while drilling operationsTESCO CORP·Filed 2008·Granted May 4, 2010·7 cites·19 claims
- 3661US8881835B2Manipulator tool and tool catcher useful with wellbore reverse circulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Nov 11, 2014·1 cites·15 claims
- 3759US7090004B2Cement floatTESCO CORP·Filed 2004·Granted Aug 15, 2006·20 cites·9 claims
- 3859US4887677ALow pressure drill bitAMOCO CORP·Filed 1988·Granted Dec 19, 1989·30 cites·9 claims
- 3958US7775302B2Casing shoe and retrievable bit assemblyTESCO CORP·Filed 2008·Granted Aug 17, 2010·5 cites·19 claims
- 4058US7637330B2Casing bottom hole assembly retrieval processTESCO CORP·Filed 2006·Granted Dec 29, 2009·5 cites·21 claims
- 4158US7575061B2Wireline entry sub and method of usingTESCO CORP·Filed 2006·Granted Aug 18, 2009·5 cites·8 claims
- 4257US5802011APressure signalling for fluidic mediaAMOCO CORP·Filed 1995·Granted Sep 1, 1998·34 cites·18 claims
- 4357US4871037AExcavation apparatus, system and methodAMOCO CORP·Filed 1988·Granted Oct 3, 1989·25 cites·14 claims
- 4456US5210533AApparatus and method for positioning a tool in a deviated section of a boreholeAMOCO CORP·Filed 1991·Granted May 11, 1993·34 cites·21 claims
- 4554US7845417B2Method of circulating while retrieving downhole tool in casingTESCO CORP·Filed 2008·Granted Dec 7, 2010·5 cites·20 claims
- 4654US5337839AExtending the lateral portion of a short-radius wellboreAMOCO CORP·Filed 1992·Granted Aug 16, 1994·26 cites·10 claims
- 4753US2015060046A1Tools and methods useful with wellbore reverse circulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Application pending·0 cites
- 4851US5601151ADrilling toolAMOCO CORP·Filed 1995·Granted Feb 11, 1997·29 cites·20 claims
- 4950US7886847B2Monitoring flow rates while retrieving bottom hole assembly during casing while drilling operationsTESCO CORP·Filed 2008·Granted Feb 15, 2011·2 cites·18 claims
- 5048US8230947B2Method of selecting a drilling motor for a casing drill stringWARREN TOMMY M·Filed 2009·Granted Jul 31, 2012·2 cites·15 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →