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| Number | Title | Issue Date |
| 7177764 | Simulation method and apparatus for determining subsidence in a reservoir A reservoir simulator first estimates rock displacement parameters (u, v, and w) representing rock movement in the x, y, and z directions. When the rock displacement parameters (u, v, w) are determined, “εx,y,z” (the ‘x,y,z elongation strains’) a... | 02/13/2007 |
| 7164990 | Method of determining fluid flow A method of determining fluid flow in a volume containing two or more fluid components, including determining a pressure field for the volume. One or more streamlines are determined from the pressure field, and the fluid composition is solved for the fluid compositi... | 01/16/2007 |
| 7107188 | Digital pressure derivative method and program storage device In a Digital Pressure Derivative Technique (DPDT) which uses convolution, an input signal including noise is convolved with a wavelet to produce an output signal which is a derivative of the input signal and which is substantially devoid of the noise. The DPDT can b... | 09/12/2006 |
| 7069148 | Gas reservoir evaluation and assessment tool method and apparatus and program storage device A Gas Reservoir Evaluation and Assessment Tool utilizes an Analytical Engine to produce predictions of pressure values and other production data at any point in space and at any point in time in a reservoir. A computer system, such as a workstation, stores a Gas Res... | 06/27/2006 |
| 6940507 | Method and apparatus for visualization of 3D voxel data using lit opacity volumes with shading A volume rendering process is disclosed for improving the visual quality of images produced by rendering and displaying volumetric data in voxel format for the display of three-dimensional (3D) data on a two-dimensional (2D) display with shading and opacity to contr... | 09/06/2005 |
| 5953812 | Misinsert sensing in pick and place tooling The head of a pick and place system for removing IC parts from a tray and inserting them into a burn-in board (BIB) includes one or more sensors which detect light reflected from a part picked up from a tray and outputs a signal which can be analyzed to d... | 09/21/1999 |
