Issued Patents All Time
Showing 101–121 of 121 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983798 | Methods and fluid compositions for depositing and removing filter cake in a well bore | — | 2006-01-10 |
| 6976538 | Methods and high density viscous salt water fluids for treating subterranean zones | J. Michael Wilson, Robert E. Hanes, Jr., Keith A. Frost | 2005-12-20 |
| 6971448 | Methods and compositions for sealing subterranean zones | Billy Slabaugh, Jimmie D. Weaver, Trinidad Munoz | 2005-12-06 |
| 6968898 | System and method for removing particles from a well bore penetrating a possible producing formation | Donald L. Whitfill, Jimmie B. Lawson | 2005-11-29 |
| 6924254 | Viscous well treating fluids and methods | — | 2005-08-02 |
| 6918445 | Methods and compositions for treating subterranean zones using environmentally safe polymer breakers | Keith A. Frost | 2005-07-19 |
| 6896058 | Methods of introducing treating fluids into subterranean producing zones | Trinidad Munoz | 2005-05-24 |
| 6877563 | "Methods of drilling and completing well bores " | Eric Davidson | 2005-04-12 |
| 6854522 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +12 more | 2005-02-15 |
| 6745159 | Process of designing screenless completions for oil or gas wells | Ronald Glen Dusterhoft, Philip D. Nguyen | 2004-06-01 |
| 6737385 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | B. Raghava Reddy, James V. Fisk, Jr., James D. Kercheville | 2004-05-18 |
| 6554071 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Steven B. Laramay | 2003-04-29 |
| 6527051 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Steven B. Laramay | 2003-03-04 |
| 6494263 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | — | 2002-12-17 |
| 6444316 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Steven B. Laramay | 2002-09-03 |
| 6422314 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | B. Raghava Reddy, James V. Fisk, Jr., James D. Kercheville | 2002-07-23 |
| 6311773 | Resin composition and methods of consolidating particulate solids in wells with or without closure pressure | Billy Slabaugh, Ronald J. Powell, Joseph G. Yaritz | 2001-11-06 |
| 6209646 | Controlling the release of chemical additives in well treating fluids | Baireddy R. Reddy, Ronald J. Crook, Jiten Chatterji, Bobby J. King, Dennis W. Gray +2 more | 2001-04-03 |
| 6155348 | Stimulating unconsolidated producing zones in wells | — | 2000-12-05 |
| 4498427 | Sludge lance with multiple nozzle jet head | — | 1985-02-12 |
| 4445465 | Sludge lance advancing apparatus | Audis C. Byrd, William W. Pattison, Jr. | 1984-05-01 |