Issued Patents All Time
Showing 1–25 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513706 | Method for improving formation stability surrounding a deviated wellbore | E. Thomas Strom | 1996-05-07 |
| 5507342 | Method of selective treatment of open hole intervals in vertical and deviated wellbores | David Lynn Copeland | 1996-04-16 |
| 5484231 | Disposal of slurries of municipal waste in deep geothermal reservoirs | William L. Cannan | 1996-01-16 |
| 5462118 | Method for enhanced cleanup of horizontal wells | Michael Roy Chambers, Sr. | 1995-10-31 |
| 5452764 | Cementing efficiency in horizontal wellbores via dual density fluids and cements | — | 1995-09-26 |
| 5415227 | Method for well completions in horizontal wellbores in loosely consolidated formations | — | 1995-05-16 |
| 5411093 | Method of enhancing stimulation load fluid recovery | — | 1995-05-02 |
| 5411091 | Use of thin liquid spacer volumes to enhance hydraulic fracturing | — | 1995-05-02 |
| 5402849 | Use of dual density spacer fluids to improve cementing efficiency in horizontal wellbores | — | 1995-04-04 |
| 5402846 | Unique method of hydraulic fracturing | Eve S. Sprunt | 1995-04-04 |
| 5377758 | Method for effective placement of a long life scale inhibitor | Eleanor Fieler, John Hen | 1995-01-03 |
| 5377764 | Means of injecting CO.sub.2 into circulation tubing to facilitate CO.sub.2 gas lift | — | 1995-01-03 |
| 5366011 | Method for producing high water-cut gas with in situ water-disposal | — | 1994-11-22 |
| 5366016 | Use of variable density carrier fluids to improve the efficiency of scale dissolution | Eleanor Fieler, James M. Paul | 1994-11-22 |
| 5363919 | Simultaneous hydraulic fracturing using fluids with different densities | — | 1994-11-15 |
| 5363917 | Method of sand consolidation | Eve S. Sprunt, Robert S. Timmer | 1994-11-15 |
| 5360068 | Formation fracturing | Eve S. Sprunt, Robert S. Timmer | 1994-11-01 |
| 5339904 | Oil recovery optimization using a well having both horizontal and vertical sections | Ibrahim S. Abou-Sayed | 1994-08-23 |
| 5337828 | Use of carbon dioxide for gas-lifting heavy oil | — | 1994-08-16 |
| 5327973 | Method for variable density acidizing | — | 1994-07-12 |
| 5322122 | Simultaneous acid fracturing using acids with different densities | — | 1994-06-21 |
| 5320172 | Method for improving cement placement in horizontal wells | — | 1994-06-14 |
| 5316082 | Method of effectively diverting treating fluid from a high permeability interval during well stimulation | — | 1994-05-31 |
| 5314020 | Technique for maximizing effectiveness of fracturing in massive intervals | Ibrahim S. Abou-Sayed | 1994-05-24 |
| 5310003 | Method for acid fracturing a subterranean formation | — | 1994-05-10 |