Inventor · disambiguated record
Lev Ring
Also filed as: RING LEV · RING LEV M
159 granted patents·37 pending applications·5,423 citations·filing 1999–2024
99Inventor score
Files withSHELL OIL CO78ENVENTURE GLOBAL TECHNOLOGY37WEATHERFORD LAMB22WEATHERFORD TECH HOLDINGS LLC18SAGE GEOSYSTEMS INC7
Top patents by PatentIndex Score
196 records- 0199US6631760B2Tie back liner for a well systemSHELL OIL CO·Filed 2001·Granted Oct 14, 2003·101 cites·34 claims
- 0299US6561227B2Wellbore casingSHELL OIL CO·Filed 2001·Granted May 13, 2003·130 cites·13 claims
- 0398US11965677B2System, method, and composition for geothermal heat harvestSAGE GEOSYSTEMS INC·Filed 2021·Granted Apr 23, 2024·4 cites·11 claims
- 0498US6684947B2Apparatus for radially expanding a tubular memberSHELL OIL CO·Filed 2002·Granted Feb 3, 2004·156 cites·27 claims
- 0597US7270188B2Radial expansion of tubular membersSHELL OIL CO·Filed 2002·Granted Sep 18, 2007·34 cites·150 claims
- 0697US7168499B2Radial expansion of tubular membersSHELL OIL CO·Filed 2004·Granted Jan 30, 2007·36 cites·23 claims
- 0797US6892819B2Forming a wellbore casing while simultaneously drilling a wellboreSHELL OIL CO·Filed 2001·Granted May 17, 2005·141 cites·63 claims
- 0897US6857473B2Method of coupling a tubular member to a preexisting structureSHELL OIL CO·Filed 2002·Granted Feb 22, 2005·131 cites·66 claims
- 0997US6705395B2Wellbore casingSHELL OIL CO·Filed 2002·Granted Mar 16, 2004·129 cites·75 claims
- 1097US6631759B2Apparatus for radially expanding a tubular memberSHELL OIL CO·Filed 2002·Granted Oct 14, 2003·117 cites·23 claims
- 1197US6568471B1Liner hangerSHELL OIL CO·Filed 2000·Granted May 27, 2003·136 cites·22 claims
- 1297US6497289B1Method of creating a casing in a boreholeFiled 1999·Granted Dec 24, 2002·166 cites·11 claims
- 1397US6470966B2Apparatus for forming wellbore casingFiled 2001·Granted Oct 29, 2002·136 cites·1 claims
- 1496US7798225B2Apparatus and methods for creation of down hole annular barrierWEATHERFORD LAMB·Filed 2006·Granted Sep 21, 2010·85 cites·28 claims
- 1596US7121337B2Apparatus for expanding a tubular memberSHELL OIL CO·Filed 2005·Granted Oct 17, 2006·50 cites·23 claims
- 1696US6725919B2Forming a wellbore casing while simultaneously drilling a wellboreSHELL OIL CO·Filed 2001·Granted Apr 27, 2004·128 cites·28 claims
- 1796US6631769B2Method of operating an apparatus for radially expanding a tubular memberSHELL OIL CO·Filed 2002·Granted Oct 14, 2003·114 cites·32 claims
- 1896US6557640B1Lubrication and self-cleaning system for expansion mandrelSHELL OIL CO·Filed 2000·Granted May 6, 2003·146 cites·52 claims
- 1995US7246667B2Radial expansion of tubular membersSHELL OIL CO·Filed 2004·Granted Jul 24, 2007·26 cites·53 claims
- 2095US7146702B2Method and apparatus for forming a mono-diameter wellbore casingSHELL OIL CO·Filed 2005·Granted Dec 12, 2006·23 cites·5 claims
- 2195US6758278B2Forming a wellbore casing while simultaneously drilling a wellboreSHELL OIL CO·Filed 2001·Granted Jul 6, 2004·111 cites·42 claims
- 2294US8286717B2Tools and methods for hanging and/or expanding liner stringsGIROUX RICHARD L·Filed 2009·Granted Oct 16, 2012·55 cites·38 claims
- 2394US6739392B2Forming a wellbore casing while simultaneously drilling a wellboreSHELL OIL CO·Filed 2001·Granted May 25, 2004·101 cites·29 claims
- 2494US6695012B1Lubricant coating for expandable tubular membersSHELL OIL CO·Filed 2000·Granted Feb 24, 2004·174 cites·174 claims
- 2594US6640903B1Forming a wellbore casing while simultaneously drilling a wellboreSHELL OIL CO·Filed 2000·Granted Nov 4, 2003·139 cites·34 claims
- 2694US6634431B2Isolation of subterranean zonesFiled 2001·Granted Oct 21, 2003·148 cites·58 claims
- 2794US6604763B1Expandable connectorSHELL OIL CO·Filed 2000·Granted Aug 12, 2003·144 cites·33 claims
- 2893US7172019B2Method and apparatus for forming a mono-diameter wellbore casingSHELL OIL CO·Filed 2005·Granted Feb 6, 2007·33 cites·7 claims
- 2993US6966370B2Apparatus for actuating an annular pistonSHELL OIL CO·Filed 2002·Granted Nov 22, 2005·68 cites·25 claims
- 3092US10113408B2Integrated drilling control systemWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Oct 30, 2018·41 cites·22 claims
- 3192US7665532B2PipelineSHELL OIL CO·Filed 2007·Granted Feb 23, 2010·24 cites·13 claims
- 3292US7021390B2Tubular liner for wellbore casingSHELL OIL CO·Filed 2003·Granted Apr 4, 2006·68 cites·58 claims
- 3392US6823937B1WellheadSHELL OIL CO·Filed 2000·Granted Nov 30, 2004·92 cites·33 claims
- 3492US6745845B2Isolation of subterranean zonesSHELL OIL CO·Filed 2001·Granted Jun 8, 2004·119 cites·68 claims
- 3591US10227838B2Drilling system and method having flow measurement chokeWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Mar 12, 2019·8 cites·25 claims
- 3691US8783343B2Tools and methods for hanging and/or expanding liner stringsWEATHERFORD LAMB·Filed 2013·Granted Jul 22, 2014·11 cites·7 claims
- 3791US8567515B2Tools and methods for hanging and/or expanding liner stringsWEATHERFORD LAMB·Filed 2012·Granted Oct 29, 2013·11 cites·15 claims
- 3891US7216701B2Apparatus for expanding a tubular memberSHELL OIL CO·Filed 2005·Granted May 15, 2007·24 cites·33 claims
- 3990US7077211B2Method of creating a casing in a boreholeSHELL OIL CO·Filed 2004·Granted Jul 18, 2006·52 cites·26 claims
- 4090US7036582B2Expansion cone for radially expanding tubular membersSHELL OIL CO·Filed 2002·Granted May 2, 2006·75 cites·34 claims
- 4189US7980302B2Compliant expansion swageWEATHERFORD LAMB·Filed 2008·Granted Jul 19, 2011·9 cites·26 claims
- 4289US7543637B2Methods for expanding tubular strings and isolating subterranean zonesWEATHERFORD LAMB·Filed 2007·Granted Jun 9, 2009·26 cites·23 claims
- 4389US7363691B2Method and apparatus for forming a mono-diameter wellbore casingSHELL OIL CO·Filed 2005·Granted Apr 29, 2008·23 cites·6 claims
- 4489US7198100B2Apparatus for expanding a tubular memberSHELL OIL CO·Filed 2005·Granted Apr 3, 2007·20 cites·26 claims
- 4588US7357190B2Radial expansion of tubular membersSHELL OIL CO·Filed 2004·Granted Apr 15, 2008·13 cites·37 claims
- 4688US7299881B2Radial expansion of tubular membersSHELL OIL CO·Filed 2004·Granted Nov 27, 2007·12 cites·24 claims
- 4787US8499844B2Expandable packerGANDIKOTA VARADARAJU·Filed 2012·Granted Aug 6, 2013·8 cites·14 claims
- 4887US7100685B2Mono-diameter wellbore casingENVENTURE GLOBAL TECHNOLOGY·Filed 2003·Granted Sep 5, 2006·48 cites·21 claims
- 4987US7044221B2Apparatus for coupling a tubular member to a preexisting structureSHELL OIL CO·Filed 2002·Granted May 16, 2006·41 cites·43 claims
- 5086US10060208B2Automatic event detection and control while drilling in closed loop systemsWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Aug 28, 2018·7 cites·37 claims
Showing the top 50 of 196 patent records by PatentIndex Score.
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