| Patent Number |
Title Of Patent |
Date Issued |
| 7346454 |
Method and apparatus for improved depth matching of borehole images or core images |
March 18, 2008 |
| A method for depth matching borehole images and/or core section images is disclosed wherein signals from sensors at different levels on a logging tool are converted into an averaged signal representing the average bed signal at the center of the borehole at each of the different levels. |
| 7340384 |
Process for determining the variation in the relative permeability of at least one fluid in a re |
March 4, 2008 |
| A method for determining for a reservoir (1) containing fluids (W, O), the variation in the relative permeability (krO, krW) of at least one of the fluids, as a function of the saturation of at least one of the fluids (W, O),) is provided. According to this method a saturation distributi |
| 7129704 |
System for monitoring salinity in a water well |
October 31, 2006 |
| A well (10) for producing water is characterized in that it includes a network of widely spaced electrodes (8) electrically coupled with measurement means (3) or with electric current generation means (1). By utilizing a measurement result, the progression of a salt water front headi |
| 7062072 |
Methods of producing images of underground formations surrounding a borehole |
June 13, 2006 |
| A method of producing images of formations surrounding a borehole, comprises: obtaining values of a first parameter in the borehole as a function of depth and azimuth at a first resolution; obtaining values of a second parameter in the borehole as a function of depth only at a second |
| 6778918 |
Methods for monitoring fluid front movements in hydrocarbon reservoirs using permanent sensors |
August 17, 2004 |
| A method of monitoring a fluid front movement is provided. The method includes: determining at least two techniques for monitoring the fluid front movement; determining a configuration of monitoring sensors, corresponding to the at least two monitoring techniques, from a joint sensit |
| 6272232 |
Method for performing a morphological survey of geological formations traversed by a borehole |
August 7, 2001 |
| A morphological survey of geological formations traversed by a borehole includes constructing, from an initial image of the wall of the borehole representative of variations in a physical parameter of the formation in the longitudinal direction of the borehole ("depth"), and in the p |
| 5809163 |
Method of characterizing texture heterogeneities of geological formations traversed by a borehol |
September 15, 1998 |
| A method of characterizing texture heterogeneities in a geological formation traversed by a borehole. The method records an image of the borehole wall such as that provided by Schlumberger's Formation Microscanner (FMS) apparatus, representative of variations in a physical parameter |
| 5299128 |
Method and apparatus for delineating bed boundaries in subsurface formations and for producing i |
March 29, 1994 |
| Data representing a two-dimensional image of the resistivity of a sector of a borehole wall is processed to produce selected flow-line data delineating the boundaries of beds of subsurface earth formations along sectors of the borehole. The latter bed-delineating image data for several |
| 5057021 |
Arrow-plot with color coded azimuth |
October 15, 1991 |
| A method of visually presenting information representative of the dip characteristics of earth formations by means of a polychromatic chart. The preferred method comprises representing the dip information by means of an arrow plot comprising oriented symbols such as a nail so that the lo |
