Inventor · disambiguated record
Lawrence J. Leising
Also filed as: LEISING LAWRENCE · LEISING LAWRENCE J · LEISING LAWRENCE JAMES
27 granted patents·1 pending application·1,230 citations·filing 1985–2015
97Inventor score
Top patents by PatentIndex Score
28 records- 0197US4637479AMethods and apparatus for controlled directional drilling of boreholesSCHLUMBERGER TECHNOLOGY CORP·Filed 1985·Granted Jan 20, 1987·192 cites·22 claims
- 0295US6419014B1Apparatus and method for orienting a downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Jul 16, 2002·174 cites·41 claims
- 0391US7493960B2Apparatus and method to connect two parts without rotationSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 24, 2009·41 cites·19 claims
- 0491US5311952AApparatus and method for directional drilling with downhole motor on coiled tubingSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted May 17, 1994·144 cites·23 claims
- 0590US7543648B2System and method utilizing a compliant well screenSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Jun 9, 2009·40 cites·21 claims
- 0689US6173771B1Apparatus for cleaning well tubular membersSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Jan 16, 2001·60 cites·15 claims
- 0788US6808023B2Disconnect check valve mechanism for coiled tubingSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Oct 26, 2004·91 cites·16 claims
- 0887US7497259B2System and method for forming cavities in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 3, 2009·27 cites·17 claims
- 0987US6889771B1Selective direct and reverse circulation check valve mechanism for coiled tubingSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 10, 2005·91 cites·24 claims
- 1085US8191416B2Instrumented formation tester for injecting and monitoring of fluidsKUCHUK FIKRI·Filed 2008·Granted Jun 5, 2012·42 cites·22 claims
- 1181US7219726B2Method and apparatus to vibrate a downhole componentSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted May 22, 2007·16 cites·15 claims
- 1280US7640991B2Downhole tool actuation apparatus and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Jan 5, 2010·19 cites·15 claims
- 1380US5417291ADrilling connectorDOWELL A DIVISION OF SCHLUMBER·Filed 1993·Granted May 23, 1995·70 cites·17 claims
- 1477US6571870B2Method and apparatus to vibrate a downhole componentSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jun 3, 2003·39 cites·23 claims
- 1575US7461695B2System and method for creating packers in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Dec 9, 2008·14 cites·48 claims
- 1671US7918279B2System and method for forming cavities in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Apr 5, 2011·10 cites·32 claims
- 1770US6604582B2Downhole fluid pressure signal generation and transmissionSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Aug 12, 2003·38 cites·80 claims
- 1868US7857067B2Downhole application for a backpressure valveSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Dec 28, 2010·11 cites·20 claims
- 1967US6907927B2Method and apparatus to vibrate a downhole componentSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jun 21, 2005·23 cites·7 claims
- 2065US6349768B1Method and apparatus for all multilateral well entrySCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Feb 26, 2002·40 cites·31 claims
- 2154US7281588B2Tubular injector apparatus and method of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Oct 16, 2007·15 cites·23 claims
- 2251US9784043B2Releasable connection for coiled tubing drilling apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Oct 10, 2017·1 cites·16 claims
- 2350US6401812B2Method and apparatus for multilateral well entrySCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jun 11, 2002·10 cites·4 claims
- 2448US6915845B2Re-enterable gravel pack system with inflate packerSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jul 12, 2005·13 cites·42 claims
- 2547US7810555B2Injector apparatus and method of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Oct 12, 2010·1 cites·27 claims
- 2642US10233724B2Downhole valve utilizing degradable materialSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Mar 19, 2019·0 cites·46 claims
- 2736US2016312559A1Pressure Pulse Reach Extension TechniqueSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 2833US5660241APressure compensated weight on bit shock sub for a wellbore drilling toolDOWELL A DIVISION OF SCHLUMBER·Filed 1995·Granted Aug 26, 1997·8 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →