Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105884 | Foam for improving sweep efficiency in subterranean oil-bearing formations | — | 1992-04-21 |
| 5082057 | Sand consolidation treatment for a hydrocarbon production well bore using an overdisplacement fluid | — | 1992-01-21 |
| 5067564 | Selective placement of a permeability-reducing material to inhibit fluid communication between a near well bore interval and an underlying aquifer | — | 1991-11-26 |
| 4995461 | Well kill treatment for oil field wellbore operations | — | 1991-02-26 |
| 4989673 | Lost circulation fluid for oil field drilling operations | — | 1991-02-05 |
| 4957166 | Lost circulation treatment for oil field drilling operations | — | 1990-09-18 |
| 4947935 | Kill fluid for oil field operations | — | 1990-08-14 |
| 4844168 | Delayed in situ crosslinking of acrylamide polymers for oil recovery applications in high-temperature formations | — | 1989-07-04 |
| 4779680 | Hydraulic fracturing process using a polymer gel | — | 1988-10-25 |
| 4770245 | Rate-controlled polymer gelation process for oil recovery applications | — | 1988-09-13 |
| 4744418 | Delayed polyacrylamide gelation process for oil recovery applications | — | 1988-05-17 |
| 4744419 | Conformance improvement in a subterranean hydrocarbon-bearing formation using a crosslinked polymer | Perry A. Argabright | 1988-05-17 |
| 4730674 | Plugging a tubing/casing annulus in a wellbore with a polymer gel | David N. Burdge, Richard W. McAtee | 1988-03-15 |
| 4730675 | Plugging an abandoned well with a polymer gel | Noel D. Wygant | 1988-03-15 |
| 4724906 | Wellbore cementing process using a polymer gel | — | 1988-02-16 |
| 4723605 | Accelerated polymer gelation process for oil recovery applications | — | 1988-02-09 |
| 4722397 | Well completion process using a polymer gel | Lyndon C. Ibele | 1988-02-02 |
| 4683949 | Conformance improvement in a subterranean hydrocarbon-bearing formation using a polymer gel | Perry A. Argabright | 1987-08-04 |
| 4673040 | Permeability restoration of damaged formations | — | 1987-06-16 |
| 4625802 | Potassium silicate clay stabilization process | — | 1986-12-02 |
| 4505751 | Process for utilizing a silicate/silica cement in oil field applications | — | 1985-03-19 |
| 4494606 | Process for improving vertical conformance in a near well bore environment | — | 1985-01-22 |
| 4478283 | Process for improving waterflood performance in heterogeneous clay-sensitive formations | — | 1984-10-23 |
| 4433729 | Process for selectively reducing the fluid injection rate or production rate of a well | — | 1984-02-28 |
| 4433728 | Process for selectively reducing the fluid injection rate or production rate of a well | Paul R. Gucwa | 1984-02-28 |