Cantrell; James H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cantrell; James H..The latest application filed is for "apparatus and methods for improved fluid displacement in subterranean formations".

Company Profile

0.4.4

Cantrell; James H. - Duncan OK

*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
Apparatus and methods for improved fluid displacement in subterranean formations App 20070012441 - Heathman; James F. ; et al.	2007-01-18
Apparatus and methods for improved fluid displacement in subterranean formations Grant 7,128,142 - Heathman , et al. October 31, 2	2006-10-31
Apparatus and methods for improved fluid displacement in subterranean formations Grant 7,128,149 - Heathman , et al. October 31, 2	2006-10-31
Apparatus and methods for improved fluid displacement in subterranean formations App 20060060351 - Heathman; James F. ; et al.	2006-03-23
Apparatus and methods for improved fluid displacement in subterranean formations App 20060060381 - Heathman; James F. ; et al.	2006-03-23
Evaluating foamed cement under pressure and temperature Grant 6,829,922 - Patin , et al. December 14, 2	2004-12-14
Evaluating foamed cement under pressure and temperature App 20040055392 - Patin, Ronald J. ; et al.	2004-03-25
Wettability and fluid displacement in a well Grant H1,932 - Heathman , et al. January 2, 2	2001-01-02

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