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| Number | Title | Issue Date |
| 7539279 | Logarithmic spectrum transmitter waveform for controlled-source electromagnetic surveying Waveforms for controlled source electromagnetic surveying. The waveforms have frequency spectra that include three or more frequencies spaced at substantially equal intervals on a logarithmic frequency scale and spanning a bandwidth of about one decade or more, at l... | 05/26/2009 |
| 7186673 | Stability enhanced water-in-oil emulsion and method for using same A method for enhancing the stability of a water-in-oil emulsion pretreating at least a portion of the oil prior to emulsification. The pretreatment step may consist of adding polymers to the oil, biotreating the oil, photochemically treating the oil, or combinations... | 03/06/2007 |
| 7048810 | Method of manufacturing hot formed high strength steel A method for processing a hot formed, high-tensile-strength steel having an ultimate tensile strength (UTS) of at least about 730 MPa (105 ksi) and excellent toughness to retain essentially all the strength and toughness is provided. This processing is needed for th... | 05/23/2006 |
| 7024021 | Method for performing stratigraphically-based seed detection in a 3-D seismic data volume The invention is a method for performing a stratigraphically-based seed detection in a 3-D seismic data volume. The method incorporates criteria that honor the layered nature of the subsurface so that the resulting seismic objects are stratigraphically reasonable. T... | 04/04/2006 |
