Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429004 | In situ retorting and refining of hygrocarbons | Joseph A. Affholter | 2016-08-30 |
| 9388678 | In situ retorting of hydrocarbons and a selected metal | Joseph A. Affholter | 2016-07-12 |
| 9309756 | In situ retorting of hydrocarbons | Joseph A. Affholter | 2016-04-12 |
| 9291043 | In situ retorting of hydrocarbons and a selected metal | Joseph A. Affholter | 2016-03-22 |
| 9163490 | Oil shale production system using a thermal-energy-carrier fluid for creating a porous heating element in a highly permeable zone | Joseph A. Affholter | 2015-10-20 |
| 9085972 | Integrated in situ retorting and refining of heavy-oil and tar sand deposits | Joseph A. Affholter | 2015-07-21 |
| 8261823 | Integrated in situ retorting and refining of oil shale | Joseph A. Affholter | 2012-09-11 |
| 8235117 | Integrated in situ retorting and refining of heavy-oil and tar sand deposits | Joseph A. Affholter | 2012-08-07 |
| 8091626 | Downhole combustion unit and process for TECF injection into carbonaceous permeable zones | Joseph A. Affholter | 2012-01-10 |
| 7993110 | Steam-generator and gas-compressor systems using water-based evaporation coolants, sealants and lubricants | — | 2011-08-09 |
| 7980312 | Integrated in situ retorting and refining of oil shale | Joseph A. Affholter | 2011-07-19 |
| 7784533 | Downhole combustion unit and process for TECF injection into carbonaceous permeable zones | — | 2010-08-31 |
| 7647969 | Method for growth of a hydraulic fracture along a well bore annulus and creating a permeable well bore annulus | — | 2010-01-19 |
| 7530406 | Method of drilling using pulsed electric drilling | William M. Moeny | 2009-05-12 |
| 7416032 | Pulsed electric rock drilling apparatus | William M. Moeny | 2008-08-26 |
| 7395859 | Method for growth of a hydraulic fracture along a well bore annulus and creating a permeable well bore annulus | — | 2008-07-08 |
| 7096943 | Method for growth of a hydraulic fracture along a well bore annulus and creating a permeable well bore annulus | — | 2006-08-29 |
| 7028781 | Deep-well, continuous-coiled-tubing apparatus and method of use | — | 2006-04-18 |
| 6929066 | Method for upward growth of a hydraulic fracture along a well bore sandpacked annulus | — | 2005-08-16 |
| 6367566 | Down hole, hydrodynamic well control, blowout prevention | — | 2002-04-09 |
| 5964289 | Multiple zone well completion method and apparatus | — | 1999-10-12 |
| 5875843 | Method for vertically extending a well | — | 1999-03-02 |
| 4893676 | Well treating method and associated apparatus for stimulating recovery of production fluids | — | 1990-01-16 |
| 4823875 | Well treating method and system for stimulating recovery of fluids | — | 1989-04-25 |
| 4718493 | Well treating method and system for stimulating recovery of fluids | Richard S. Passamaneck, Kenell J. Touryan | 1988-01-12 |