Inventor · disambiguated record
Charles David Wintill
Also filed as: WINTILL CHARLES · WINTILL CHARLES D · WINTILL CHARLES DAVID
18 granted patents·134 citations·filing 2003–2020
93Inventor score
Technology areasE21B
Files withPETROQUIP ENERGY SERVICES LLP9DARNELL WILLIAM JOHN2LONG RODNEY WAYNE2COLT PETROLEUM TECH LLC1DARNELL WILLIAM J1
Top patents by PatentIndex Score
18 records- 0187US8220555B1Downhole tool shifting mechanism and method for shifting a downhole toolWINTILL CHARLES DAVID·Filed 2010·Granted Jul 17, 2012·18 cites·12 claims
- 0287US7428932B1Completion system for a wellPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Sep 30, 2008·35 cites·41 claims
- 0377US7926569B1Bypass device for wellboresPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·6 cites·14 claims
- 0475US8151891B1Formation saver sub and methodDARNELL WILLIAM J·Filed 2011·Granted Apr 10, 2012·6 cites·19 claims
- 0572US7921922B2Formation saver sub and methodPETROQUIP ENERGY SERVICES LP·Filed 2008·Granted Apr 12, 2011·14 cites·22 claims
- 0667US8171998B1System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole toolDARNELL WILLIAM JOHN·Filed 2011·Granted May 8, 2012·4 cites·2 claims
- 0764US7392839B1Single line sliding sleeve downhole tool assemblyPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Jul 1, 2008·9 cites·19 claims
- 0862US8141648B2Multiple-positioning mechanical shifting system and methodDARNELL WILLIAM JOHN·Filed 2009·Granted Mar 27, 2012·8 cites·25 claims
- 0962US7464759B1Method for flowing fluid into or from a wellPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Dec 16, 2008·8 cites·27 claims
- 1059US7422065B1System for controlling zones of fluid in and out of a wellborePETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Sep 9, 2008·6 cites·41 claims
- 1153US7373970B1Pin connector with seal assemblyPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted May 20, 2008·4 cites·20 claims
- 1253US7363981B2Seal stack for sliding sleeveWEATHERFORD LAMB·Filed 2003·Granted Apr 29, 2008·15 cites·37 claims
- 1352US8251153B1Control line feed through clampLONG RODNEY WAYNE·Filed 2010·Granted Aug 28, 2012·1 cites·20 claims
- 1441US11274521B2Downhole valve and method of useCOLT PETROLEUM TECH LLC·Filed 2020·Granted Mar 15, 2022·0 cites·20 claims
- 1539US7926595B1Filter subPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·0 cites·14 claims
- 1639US7516783B2Double pin connector and hydraulic connect with seal assemblyPETROQUIP ENERGY SERVICES LLP·Filed 2008·Granted Apr 14, 2009·0 cites·17 claims
- 1738US7628211B1Method of connecting control lines to well bore equipment for controlling a well on a batch basisPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Dec 8, 2009·0 cites·28 claims
- 1837US8172000B1Method for feeding control lines for drilling or workoversLONG RODNEY WAYNE·Filed 2011·Granted May 8, 2012·0 cites·9 claims
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