Issued Patents All Time
Showing 26–50 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9145510 | Use of nano-sized phyllosilicate minerals in viscoelastic surfactant fluids | James B. Crews | 2015-09-29 |
| 9091142 | Watercut sensor using reactive media | Paul Joseph | 2015-07-28 |
| 9033044 | Method and materials for proppant fracturing with telescoping flow conduit technology | — | 2015-05-19 |
| 9029299 | Methods and compositions for delayed release of chemicals and particles | James B. Crews | 2015-05-12 |
| 9004169 | Method of isolating and completing multiple zones within a wellbore | Richard YingQing Xu | 2015-04-14 |
| 8980098 | Rechargeable surface active porous media for removal of organic materials from aqueous fluids | James B. Crews | 2015-03-17 |
| 8921285 | Particles slurried in oil for viscoelastic surfactant gelled fluids | James B. Crews | 2014-12-30 |
| 8877693 | Use of oil-soluble surfactants as breaker enhancers for VES-gelled fluids | James B. Crews | 2014-11-04 |
| 8869898 | System and method for pinpoint fracturing initiation using acids in open hole wellbores | Ying Xu | 2014-10-28 |
| 8815089 | Wastewater purification with nanoparticle-treated bed | James B. Crews | 2014-08-26 |
| 8778852 | Breaking viscoelastic surfactant gelled fluids using breaker nanoparticles | — | 2014-07-15 |
| 8733445 | Disposable downhole tool | — | 2014-05-27 |
| 8692547 | Formation evaluation capability from near-wellbore logging using relative permeability modifiers | Songhua Chen | 2014-04-08 |
| 8684077 | Watercut sensor using reactive media to estimate a parameter of a fluid flowing in a conduit | Paul Joseph | 2014-04-01 |
| 8653012 | Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids | — | 2014-02-18 |
| 8646523 | Method and materials for proppant flow control with telescoping flow conduit technology | Richard YingQing Xu | 2014-02-11 |
| 8616284 | Methods for removing residual polymer from a hydraulic fracture | James B. Crews | 2013-12-31 |
| 8567502 | Filtration of dangerous or undesirable contaminants | Edward J. O'Malley, Bennett M. Richard, Min-Yen Huang | 2013-10-29 |
| 8550166 | Self-adjusting in-flow control device | Richard YingQing Xu | 2013-10-08 |
| 8551926 | Stabilizing emulsified acids for carbonate acidizing | James B. Crews, John R. Willingham, Richard A. Mitchell, Kushal Seth | 2013-10-08 |
| 8544565 | Lost circulation control fluids for naturally fractured carbonate formations | James B. Crews, David E. Clark | 2013-10-01 |
| 8499832 | Re-use of surfactant-containing fluids | James B. Crews | 2013-08-06 |
| 8445414 | Compositions and methods for controlling fluid loss | James B. Crews | 2013-05-21 |
| 8430165 | Increasing the viscosity of viscoelastic fluids | James B. Crews, Gaurav Agrawal | 2013-04-30 |
| 8403051 | Stabilizing emulsified acids for carbonate acidizing | James B. Crews, John R. Willingham, Richard A. Mitchell, Kushal Seth | 2013-03-26 |