Inventor · disambiguated record
Steven L. Anyan
Also filed as: ANYAN STEVEN · ANYAN STEVEN L
19 granted patents·3 pending applications·414 citations·filing 1989–2012
95Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP14ABDELALL FAHD F1ANYAN STEVEN L1CAMINARI RICHARD1GUVEN OGUZHAN1
Top patents by PatentIndex Score
22 records- 0195US8485798B2Pump apparatus, systems and methodsSHETH KETANKUMAR K·Filed 2010·Granted Jul 16, 2013·29 cites·17 claims
- 0289US7775779B2Pump apparatus, systems and methodsSCLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Aug 17, 2010·20 cites·4 claims
- 0383US8469106B2Downhole displacement based actuatorCAMINARI RICHARD·Filed 2010·Granted Jun 25, 2013·14 cites·9 claims
- 0477US5220962APump apparatus for pumping well fluids from a wellbore having low formation pressureSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Jun 22, 1993·38 cites·28 claims
- 0576US8365832B2Position retention mechanism for maintaining a counter mechanism in an activated positionSCHLUMBERGER TECHNOLOGY CORP·Filed 2010·Granted Feb 5, 2013·8 cites·19 claims
- 0673US6732803B2Debris free valve apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted May 11, 2004·46 cites·66 claims
- 0772US6808020B2Debris-free valve apparatus and method of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Oct 26, 2004·43 cites·51 claims
- 0869US4979569ADual action valve including at least two pressure responsive membersSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Dec 25, 1990·44 cites·19 claims
- 0965US6575246B2Method and apparatus for gravel packing with a pressure maintenance toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jun 10, 2003·34 cites·43 claims
- 1063US6220353B1Full bore set down tool assembly for gravel packing a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Apr 24, 2001·38 cites·27 claims
- 1159US7128152B2Method and apparatus to selectively reduce wellbore pressure during pumping operationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Oct 31, 2006·25 cites·24 claims
- 1256US9464505B2Flow control system with variable staged adjustable triggering deviceSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Oct 11, 2016·1 cites·12 claims
- 1355US6382324B1One trip seal latch systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted May 7, 2002·17 cites·25 claims
- 1454US7128160B2Method and apparatus to selectively reduce wellbore pressure during pumping operationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Oct 31, 2006·19 cites·17 claims
- 1553US7886835B2High angle water flood kickover toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Feb 15, 2011·4 cites·16 claims
- 1652US6343791B1Split mesh end ringSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Feb 5, 2002·28 cites·37 claims
- 1750US8074721B2Method for controlling a downhole tool with a linearly actuated hydraulic switchGUVEN OGUZHAN·Filed 2009·Granted Dec 13, 2011·3 cites·19 claims
- 1846US7967075B2High angle water flood kickover toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Jun 28, 2011·1 cites·22 claims
- 1945US9309735B2System and method for maintaining operability of a downhole actuatorANYAN STEVEN L·Filed 2008·Granted Apr 12, 2016·2 cites·12 claims
- 2037US2012261137A1Flow control systemMARTINEZ RICARDO·Filed 2012·Application pending·0 cites
- 2134US2001045281A1Full bore set down tool assembly for gravel packing a wellFiled 2001·Application pending·0 cites
- 2231US2014000908A1Actuating device and methodABDELALL FAHD F·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →