| 10280703 |
Applications of degradable polymer for delayed mechanical changes in wells |
— |
2019-05-07 |
| 9708878 |
Applications of degradable polymer for delayed mechanical changes in wells |
— |
2017-07-18 |
| RE46028 |
Method and apparatus for delayed flow or pressure change in wells |
— |
2016-06-14 |
| RE45950 |
Application of degradable polymers in sand control |
— |
2016-03-29 |
| RE45849 |
Application of degradable polymers in sand control |
— |
2016-01-19 |
| 8726993 |
Method and apparatus for maintaining pressure in well cementing during curing |
— |
2014-05-20 |
| 8439108 |
Application of degradable polymers in sand control |
— |
2013-05-14 |
| 8215385 |
Application of degradable polymers in sand control |
— |
2012-07-10 |
| 8025104 |
Method and apparatus for delayed flow or pressure change in wells |
— |
2011-09-27 |
| 7625846 |
Application of degradable polymers in well fluids |
— |
2009-12-01 |
| 7569523 |
Method and materials for hydraulic fracturing of wells using a liquid degradable thermoplastic polymer |
— |
2009-08-04 |
| 7476644 |
Method and materials for hydaulic fracturing of wells |
— |
2009-01-13 |
| 7069994 |
Method for hydraulic fracturing with squeeze pressure |
— |
2006-07-04 |
| 6949491 |
Method and materials for hydraulic fracturing of wells |
— |
2005-09-27 |
| 5509474 |
Temperature logging for flow outside casing of wells |
— |
1996-04-23 |
| 5353873 |
Apparatus for determining mechanical integrity of wells |
— |
1994-10-11 |
| 4716964 |
Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion |
Steven R. Erbstoesser, Richard G. Sinclair, Michael M. Epstein |
1988-01-05 |
| 4526695 |
Composition for reducing the permeability of subterranean formations |
Steven R. Erbstoesser, Richard G. Sinclair, Michael M. Epstein |
1985-07-02 |
| 4475591 |
Method for monitoring subterranean fluid communication and migration |
— |
1984-10-09 |
| 4448250 |
Method of freeing a hollow tubular member |
Leon Robinson |
1984-05-15 |
| 4407365 |
Method for preventing annular fluid flow |
— |
1983-10-04 |
| 4387769 |
Method for reducing the permeability of subterranean formations |
Steven R. Erbstoesser, Richard G. Sinclair, Michael M. Epstein |
1983-06-14 |
| 4359391 |
Well treatment with emulsion dispersions |
William M. Salathiel, Thomas W. Muecke, Norman N. Li |
1982-11-16 |
| 4233165 |
Well treatment with emulsion dispersions |
William M. Salathiel, Thomas W. Muecke, Norman N. Li |
1980-11-11 |