Oil States Energy Services, Inc.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oil States Energy Services, Inc..The latest application filed is for "subsurface lubricator and method of use".

Company Profile

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Oil States Energy Services, Inc. -
Oil States Energy Services, Inc. - Houston TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Subsurface lubricator and method of use App 20080078557 - Dallas; L. Murray	2008-04-03
Subsurface lubricator and method of use App 20080078558 - Dallas; L. Murray	2008-04-03
Two-part back cap for a plug valve and plug valves incorporating same App 20070262282 - Artherholt; Danny Lee	2007-11-15
Cup tool with three-part packoff for a high pressure mandrel App 20070235182 - Artherholt; Danny Lee	2007-10-11
Casing transition nipple and method of casing a well to facilitate well completion, re-completion and workover App 20070227742 - Dallas; L. Murray	2007-10-04
Method of subsurface lubrication to facilitate well completion, re-completion and workover App 20070227743 - Dallas; L. Murray	2007-10-04
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use App 20070102150 - McGuire; Bob ; et al.	2007-05-10
Casing-engaging well tree isolation tool and method of use Grant 7,168,495 - Dallas , et al. January 30, 2	2007-01-30
Hybrid wellhead system and method of use Grant 7,159,663 - McGuire , et al. January 9, 2	2007-01-09
Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use Grant 7,159,652 - McGuire , et al. January 9, 2	2007-01-09
Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel App 20060237193 - Dallas; L. Murray ; et al.	2006-10-26
Metal ring gasket for a threaded union Grant 7,125,055 - Dallas October 24, 2	2006-10-24

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