CP

Charles W. Pleasants

OE Otis Engineering: 7 patents #24 of 228Top 15%
BH Baker Hughes Holdings: 4 patents #774 of 3,522Top 25%
WE Weatherford/Lamb: 3 patents #218 of 852Top 30%
HS Halliburton Energy Services: 1 patents #2,863 of 4,711Top 65%
SP Shell Western E & P: 1 patents #10 of 35Top 30%
WU Weatherford Holding U.S.: 1 patents #17 of 45Top 40%
Overall (All Time): #257,100 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9488028 Annulus mounted potential energy driven setting tool Aubrey C. Mills, Basil J. Joseph, Ammar A. Munshi, Keven O'Connor 2016-11-08
8813857 Annulus mounted potential energy driven setting tool Aubrey C. Mills, Basil J. Joseph, Ammar A. Munshi, Keven O'Connor 2014-08-26
8739864 Downhole multiple cycle tool James Alan Crider, Gregory L. Hern 2014-06-03
7905279 Combination whipstock and seal bore diverter system Daniel R. Hart, Roy Swanson, Kjell Nygardsvoll, Songfeng Yang, Christopher W. Guidry 2011-03-15
6059037 Apparatus for completing a subterranean well and associated methods of using same James R. Longbottom, Tom P. Wilson, William A. Blizzard, Jr., Gene Halford, Douglas Glenn Durst 2000-05-09
6056056 Whipstock mill Douglas Glenn Durst, Robert E. Robertson, Thurman B. Carter, Paul J. Johantges, William A. Blizzard, Jr. +2 more 2000-05-02
5887655 Wellbore milling and drilling David M. Haugen, William A. Blizzard, Jr., Mark W. Schnitker, Steve R. Delgado, Thurman B. Carter +4 more 1999-03-30
5806595 Wellbore milling system and method Dale Langford, Robert E. Robertson, Thurman B. Carter, Guy L. McClung, III 1998-09-15
5787978 Multi-face whipstock with sacrificial face element Thurman B. Carter, Paul J. Johantges 1998-08-04
5720349 Starting mill and operations Thurman B. Carter 1998-02-24
5146984 Emergency release device for connecting between tubular members in oil and gas wells 1992-09-15
5146994 Packing assembly for use with reeled tubing and method of operating and removing same Pat M. White, Ronald J. Fischer, Robert D. Harrison, Jr., John R. Setterberg, Jr. 1992-09-15
5090481 Fluid flow control apparatus, shifting tool and method for oil and gas wells Stewart H. Fowler, Jr. 1992-02-25
5040598 Pulling tool for use with reeled tubing and method for operating tools from wellbores 1991-08-20
5012871 Fluid flow control system, assembly and method for oil and gas wells David R. Burnett, Donald W. Head 1991-05-07
5007479 Hydraulic up-down well jar and method of operating same Keith Wayne Scott 1991-04-16
5000265 Packing assembly for use with reeled tubing and method of operating and removing same Pat M. White, Ronald J. Fischer, Robert D. Harrison, Jr., John R. Setterberg, Jr. 1991-03-19
4986362 Running tool for use with reeled tubing and method of operating same 1991-01-22