Issued Patents All Time
Showing 76–100 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9260959 | Determining fluid pressure | Joseph A. Beisel | 2016-02-16 |
| 9127526 | Fast pressure protection system and method | Joseph A. Beisel | 2015-09-08 |
| 9091164 | Method for providing step changes in proppant delivery | Jim B. Surjaatmadja | 2015-07-28 |
| 8840298 | Centrifugal mixing system | Calvin L. Stegemoeller, Max L. Phillippi, Herb Horinek | 2014-09-23 |
| 8807960 | System and method for servicing a wellbore | David Mark Stribling, Chad Heitman | 2014-08-19 |
| 8606521 | Determining fluid pressure | Joseph A. Beisel | 2013-12-10 |
| 8590614 | High pressure stimulation pump | Jim B. Surjaatmadja, Timothy Holiman Hunter | 2013-11-26 |
| 8543245 | Systems and methods for specifying an operational parameter for a pumping system | Chad Heitman, David W. Looper, Kenneth G. Neal | 2013-09-24 |
| 8347957 | System and method for servicing a wellbore | Ronald E. Dant, Herb Horinek, Max L. Phillippi | 2013-01-08 |
| 8065244 | Neural-network based surrogate model construction methods and applications thereof | Dingding Chen, Allan Zhong, Syed Hamid | 2011-11-22 |
| 7730951 | Methods of initiating intersecting fractures using explosive and cryogenic means | Jim B. Surjaatmadja | 2010-06-08 |
| 7409901 | Variable stroke assembly | Bruce Carl Lucas | 2008-08-12 |
| 7100688 | Fracture monitoring using pressure-frequency analysis | Jim B. Surjaatmadja | 2006-09-05 |
| 6959609 | Inferential densometer and mass flowmeter | — | 2005-11-01 |
| 6859740 | Method and system for detecting cavitation in a pump | David Mark Stribling | 2005-02-22 |
| 6742441 | Continuously variable displacement pump with predefined unswept volume | Jim B. Surjaatmadja | 2004-06-01 |
| 6724687 | Characterizing oil, gasor geothermal wells, including fractures thereof | John L. Loth | 2004-04-20 |
| 6347283 | Methods for combining well test analysis with wavelet analysis | Mohamed Soliman | 2002-02-12 |
| 6002985 | Method of controlling development of an oil or gas reservoir | — | 1999-12-14 |
| 5386361 | Method of unsticking material delivery apparatus | Mark Farabee, Max L. Phillippi, Ronald E. Dant, Russell D. Taylor | 1995-01-31 |
| 5365435 | System and method for quantitative determination of mixing efficiency at oil or gas well | — | 1994-11-15 |
| 5335166 | Method of operating a sand screw | — | 1994-08-02 |
| 5320425 | Cement mixing system simulator and simulation method | Charles D. Donaghe, Herbert J. Horinek, Karl W. Blanchard, Neil A. Pritchard, Jerry N. Browning +1 more | 1994-06-14 |
| 5319964 | Apparatus, method and system for monitoring fluid | Ronald E. Dant, Robert L. Toellner, Edward P. Arnold, Thuong Van Le, Leslie N. Berryman | 1994-06-14 |
| 5289877 | Cement mixing and pumping system and method for oil/gas well | Phillip Naegele, Ronald E. Dant, Kent Dieball, Paul O. Padgett | 1994-03-01 |