Hill; Harold J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hill; Harold J..The latest application filed is for "steam-channel-expanding steam foam drive".

Company Profile

0.8.0

Hill; Harold J. - 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
Steam-channel-expanding steam foam drive Grant 4,086,964 - Dilgren , et al. May 2, 1	1978-05-02
Ion exchange controlled chemically aided waterflood process Grant 4,074,755 - Hill , et al. February 21, 1	1978-02-21
Aqueous anionic surfactant systems containing aromatic ether polysulfonates Grant 4,013,569 - Chiu , et al. March 22, 1	1977-03-22
Process for displacing oil using aqueous anionic surfactant systems containing aromatic ether polysulfonates Grant 3,945,437 - Chiu , et al. March 23, 1	1976-03-23
Waterflood Oil Recovery With Chromatographically Balanced Surfactant And Grant 3,768,560 - Hill , et al. October 30, 1	1973-10-30
Oil Recovery Process Using An Emulsion Modifier-containing Dilute Aqueous Surfactant System Grant 3,712,377 - Hill , et al. January 23, 1	1973-01-23
Secondary Oil Recovery Process With Incremental Injection Of Surfactant Slugs Grant 3,638,728 - Hill February 1, 1	1972-02-01
Clay Treating And Oil-wetting Dispersion And Method Of Use Thereof Grant 3,578,781 - Abrams , et al. May 18, 1	1971-05-18

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