Inventor · disambiguated record
Dewayne Turner
Also filed as: TURNER DEWAYNE · TURNER DEWAYNE M · TURNER DEWAYNE MCCOY
24 granted patents·4 pending applications·842 citations·filing 1983–2018
97Inventor score
Technology areasE21B
Top patents by PatentIndex Score
28 records- 0198US7150326B2Bi-directional ball seat system and methodBJ SERVICES CO·Filed 2006·Granted Dec 19, 2006·131 cites·14 claims
- 0296US7021389B2Bi-directional ball seat system and methodBJ SERVICES CO·Filed 2003·Granted Apr 4, 2006·174 cites·43 claims
- 0392US6405800B1Method and apparatus for controlling fluid flow in a wellOSCA INC·Filed 2000·Granted Jun 18, 2002·115 cites·20 claims
- 0491US7490669B2Multi-zone, single trip well completion system and methods of useBJ SERVICES CO·Filed 2006·Granted Feb 17, 2009·40 cites·20 claims
- 0585US7152678B2System and method for downhole operation using pressure activated valve and sliding sleeveBJ SERVICES CO USA·Filed 2004·Granted Dec 26, 2006·62 cites·46 claims
- 0684US7520333B2Hydraulic sleeve valve with position indication, alignment, and bypassBJ SERVICES CO·Filed 2006·Granted Apr 21, 2009·25 cites·20 claims
- 0784US6722440B2Multi-zone completion strings and methods for multi-zone completionsBJ SERVICES CO·Filed 2001·Granted Apr 20, 2004·57 cites·22 claims
- 0875US7845416B2Hydraulic sleeve valve with position indication, alignment, and bypassBJ SERVICES CO·Filed 2009·Granted Dec 7, 2010·14 cites·18 claims
- 0975US6397949B1Method and apparatus for production using a pressure actuated circulating valveOSCA INC·Filed 1999·Granted Jun 4, 2002·72 cites·19 claims
- 1072US7395862B2Combination jar and disconnect toolBJ SERVICES CO·Filed 2005·Granted Jul 8, 2008·13 cites·19 claims
- 1171US7383884B1Cross-over toolBJ SERVICES CO·Filed 2005·Granted Jun 10, 2008·12 cites·30 claims
- 1271US7124824B2Washpipeless isolation strings and methods for isolationBJ SERVICES CO USA·Filed 2003·Granted Oct 24, 2006·37 cites·27 claims
- 1369US10612346B2Concentric flow valveSPRING OIL TOOLS LLC·Filed 2018·Granted Apr 7, 2020·2 cites·13 claims
- 1468US4570714AGravel pack assemblyVANN INC GEO·Filed 1983·Granted Feb 18, 1986·38 cites·13 claims
- 1562US7665526B2System and method for downhole operation using pressure activated and sleeve valve assemblyBJ SERVICES CO USA·Filed 2006·Granted Feb 23, 2010·5 cites·17 claims
- 1654US7201232B2Washpipeless isolation strings and methods for isolation with object holding service toolBJ SERVICES CO·Filed 2003·Granted Apr 10, 2007·15 cites·40 claims
- 1753US7980315B2System and method for selectively communicatable hydraulic nipplesBAKER HUGHES INC·Filed 2008·Granted Jul 19, 2011·3 cites·19 claims
- 1853US7198109B2Double-pin radial flow valveBJ SERVICES CO·Filed 2003·Granted Apr 3, 2007·14 cites·28 claims
- 1952US7497265B2Reclosable mechanical annular flow valveBJ SERVICES CO·Filed 2005·Granted Mar 3, 2009·3 cites·17 claims
- 2052US7210535B2Isolation system comprising a plug and a circulation valve and method of useBJ SERVICES CO·Filed 2005·Granted May 1, 2007·2 cites·12 claims
- 2149USRE40648ESystem and method for downhole operation using pressure activated valve and sliding sleeveBJ SERVICES CO USA·Filed 2007·Granted Mar 10, 2009·2 cites·46 claims
- 2243US7810575B2Isolation system comprising a plug and a circulation valve and method of useBJ SERVICES CO USA·Filed 2007·Granted Oct 12, 2010·0 cites·19 claims
- 2343US6981551B2Cross-over tool return port coverBJ SERVICES CO·Filed 2003·Granted Jan 3, 2006·6 cites·29 claims
- 2440US2009301732A1Downhole Valve Actuation Methods and ApparatusBJ SERVICES CO·Filed 2009·Application pending·0 cites
- 2539US2015047837A1Multi-Zone Single Trip Well Completion SystemSUPERIOR ENERGY SERVICES LLC·Filed 2014·Application pending·0 cites
- 2635US2017335656A1Controlled opening valveSPRING OIL TOOLS LLC·Filed 2017·Application pending·0 cites
- 2734US8157017B2Method and apparatus for injecting fluid in a wellboreTURNER DEWAYNE·Filed 2009·Granted Apr 17, 2012·0 cites·22 claims
- 2831US2007267196A1Downhole activated packer plug magnetic debris toolMONDELLI MAXIMILIANO·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Dewayne Turner files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →