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| Application No. | Application Title | Issue Date |
| 20120109528 | RADON MIGRATION OF ACOUSTIC DATA Disclosed is a method implemented by a processor for imaging a formation penetrated by a borehole. The method includes: obtaining acoustic data in a depth-time domain using an acoustic downhole tool disposed at a depth in the borehole, the acoustic downhole tool having ... | 05/03/2012 |
| 20120048558 | Apparatus and Method for Estimating Formation Properties Using Nanoexplosive Elements In one aspect a method of estimating a property of interest of a formation is provided, which method in one embodiment may include: injecting nanoexplosive elements into the formation, detecting signals responsive to explosion of the nanoexplosive elements by one or mor... | 03/01/2012 |
| 20120029826 | APPARATUS AND METHOD FOR PREDICTING VERTICAL STRESS FIELDS A method of estimating stress in an earth formation is disclosed. The method includes: dividing a domain including at least a portion of an earth formation into a first region and a second region; estimating a first vertical stress in the first region and representing t... | 02/02/2012 |
| 20110297369 | Windowed Statistical Analysis For Anomaly Detection In Geophysical Datasets Method for identifying geologic features from geophysical or attribute data using windowed principal component (or independent component) analysis. Subtle features are made identifiable in partial or residual data volumes. The residual data volumes (24) are creat... | 12/08/2011 |
| 20110301850 | METHOD FOR ENHANCED SUBSURFACE ELECTROMAGNETIC SENSITIVITY A method for measuring an enhanced electromagnetic field response, especially in a submarine environment, for the purposes of subsurface data acquisition and processing. An electromagnetic field is applied to subterranean strata at two or more different frequencies, a r... | 12/08/2011 |
| 20110295508 | USING MICROSEISMIC DATA TO CHARACTERIZE HYDRAULIC FRACTURES Methods and apparatus that use microseismic event data, stress data, seismic data, and rock properties to predict the hydrocarbon production success of a well location are disclosed. An example method generates a hydrocarbon production function based on information asso... | 12/01/2011 |
| 20110272161 | Windowed Statistical Analysis For Anomaly Detection In Geophysical Datasets Method for identifying geologic features from geophysical or attribute data using windowed principal component (22), or independent component, or diffusion mapping (61) analysis. Subtle features are made identifiable in partial or residual data volumes. Th... | 11/10/2011 |
| 20110272147 | Active Seismic Monitoring of Fracturing Operations and Determining Characteristics of a Subterranean Body Using Pressure Data and Seismic Data A method for managing a fracturing operation. In one implementation, the method may include positioning one or more sources and one or more receivers near a hydrocarbon reservoir; pumping a fracturing fluid into a well bore of the hydrocarbon reservoir; performing a sur... | 11/10/2011 |
| 20110251795 | DIELECTRIC SPECTROSCOPY FOR DOWNHOLE FLUID ANALYSIS DURING FORMATION TESTING An apparatus for estimating a property of a downhole fluid, the apparatus includes: a carrier configured to be conveyed through a borehole penetrating the Earth; a downhole fluid extraction device disposed at the carrier and configured to extract the downhole fluid; and... | 10/13/2011 |
| 20110247829 | TRACKING GEOLOGIC OBJECT AND DETECTING GEOLOGIC ANOMALIES IN EXPLORATION SEISMIC DATA VOLUME A method and system are described for identifying a geologic object through cross sections of a geologic data volume. The method includes obtaining a geologic data volume having a set of cross sections. Then, two or more cross sections are selected and a transformation ... | 10/13/2011 |
| 20110251794 | 3D Borehole Imager Logging tools and methods for obtaining a three-dimensional (3D) image of the region around a borehole. In at least some embodiments, a 3D imaging tool rotates, transmitting pulses that are approximately a nanosecond long and measuring the time it takes to receive refle... | 10/13/2011 |
| 20110251796 | Multi-Well Interference Testing and In-Situ Reservoir Behavior Characterization Using multi-well testing, operators can characterize a reservoir and its in-situ behavior using direct measurements of reservoir pressures. One or more impulses are generated in an impulse well or location using production, injections, or the like. Downhole pressure too... | 10/13/2011 |
| 20110224907 | MINERAL INSULATED CABLE FOR DOWNHOLE SENSORS An apparatus for measuring downhole pressure includes a plurality of conductors within a mineral insulated cable, a pressure sensor attached to at least two of the conductors, and a thermocouple embedded in the mineral insulated cable. The pressure sensor generates a si... | 09/15/2011 |
| 20110224906 | Method and Apparatus for Neutron Porosity Measurement Using a Neural Network A method of estimating formation porosity using a neural network for neutron porosity tools. In the training stage, the near-to-far ratio, environmental variables, such as mineralogy, borehole size, standoff etc., are fed to the inputs and the neural network is trained ... | 09/15/2011 |
| 20110208431 | WORKFLOW FOR PETROPHYSICAL AND GEOPHYSICAL FORMATION EVALUATION OF WIRELINE AND LWD LOG DATA A computer-implemented method of characterizing elastic properties of a subsurface formation at various fluid saturation conditions is disclosed. The method includes the features of estimating densities and bulk moduli of fluids and surrounding rock matrix material pres... | 08/25/2011 |
| 20110191031 | DEVICE AND METHOD FOR DISCRETE DISTRIBUTED OPTICAL FIBER PRESSURE SENSING An apparatus for estimating at least one parameter includes: a deformable member configured to deform in response to the at least one parameter; a housing surrounding at least a portion of an external surface of the deformable member to define an isolated region around ... | 08/04/2011 |
| 20110172924 | FORECASTING ASPHALTIC PRECIPITATION The magnitude of asphaltic precipitation when injecting a viscosity reducing diluent into a reservoir formation, notably to assist oil recovery therefrom, is forecast by (i) determining a relationship between asphaltic precipitation and a solubility parameter for the di... | 07/14/2011 |
| 20110166843 | Method For Modeling Deformation In Subsurface Strata A method for modeling deformation in subsurface strata, including defining physical boundaries for a geomechanical system. The method also includes acquiring one or more mechanical properties of the subsurface strata within the physical boundaries, and acquiring one or ... | 07/07/2011 |
| 20110161010 | TESTING ADDITIVES FOR PRODUCTION ENHANCEMENT TREATMENTS Fluid tests may be performed to determine suitability of an additive for a production enhancement treatment. In one aspect, a measuring device is used to determine a result of adding a sample of solid material to a test fluid that includes an additive. The result may in... | 06/30/2011 |
| 20110137568 | METHOD AND APPARATUS FOR DETECTION OF HYDROCARBON DEPOSITS A method and apparatus is provided for detecting and categorizing subsurface hydrocarbon reservoirs. Air samples are collected and analyzed by counting hydrocarbon ions, such as methane ions and counting at least one higher order hydrocarbon ions, such as propane, penta... | 06/09/2011 |
| 20110137618 | GEOTECHNICAL HORIZONTAL DIRECTIONAL DRILLING A system and method for designing and constructing an optimized underground crossing through the earth is provided. The underground crossing allows one or more delivery line to pass through the earth. The method involves forming an investigation bore path along a prelim... | 06/09/2011 |
| 20110137628 | METHOD FOR TRANSFORMATION AND IMAGING OF ELECTROMAGNETIC SURVEY DATA FOR SUBMARINE HYDROCARBON RESERVOIRS A method for processing, transforming and mapping subsea survey data arranged to detect earth formations including hydrocarbon reservoirs is proposed. The method differs from known methods by including a real configuration of the sounding system and parameters for a giv... | 06/09/2011 |
| 20110098930 | SYSTEM AND METHOD FOR ESTIMATING GEOLOGICAL ARCHITECTURE OF A GEOLOGIC VOLUME The geological architecture of a geologic volume of interest is estimated through the generation and/or selection of one or more numerical analog models of the geologic volume of interest that represent characteristics of the geologic volume of interest as a function of... | 04/28/2011 |
| 20110093201 | METHOD FOR EVALUATING FLUID PRESSURES AND DETECTING OVERPRESSURES IN AN UNDERGROUND MEDIUM A method for evaluating fluid pressures and detecting overpressures in an underground medium is disclosed having application to petroleum exploration for detection of overpressure zones while drilling for example. A seismic P wave velocity cube and a seismic S wave velo... | 04/21/2011 |
| 20110077868 | APPARATUS AND METHOD FOR PREDICTING VERTICAL STRESS FIELDS A method of estimating at least one of stress and pore fluid pressure in an earth formation is disclosed. The method includes: discretizing a domain including at least a portion of the earth formation into a plurality of cells, each cell including a respective density v... | 03/31/2011 |
| 20110035153 | WELLBORE LOGGING PERFORMANCE VERIFICATION METHOD AND APPARATUS A method for correcting a measurement of a property of a subsurface material includes: selecting an instrument that includes a test circuit and a separate sensor, the test circuit configured for providing a standard for referencing to generate correction information, th... | 02/10/2011 |
| 20110022319 | GUIDED BAYESIAN EXPERIMENTAL DESIGN A Bayesian methodology is described for designing experiments or surveys that are improved by utilizing available prior information to guide the design toward maximally reducing posterior uncertainties in the interpretation of the future experiment. Synthetic geophysica... | 01/27/2011 |
| 20100300756 | Downhole Magnetic Measurement While Rotating and Methods of Use Downhole magnetic measurement devices and methods are provided for estimation of magnetic fields during drilling. In certain embodiments, a triaxial vector magnetometer is provided and affixed to a drill string subassembly. While the drill string subassembly is rotating... | 12/02/2010 |
| 20100305865 | ESTIMATING VELOCITIES WITH UNCERTAINTY A method and apparatus for estimating velocity in a subsurface region. Seismic data for a subsurface region may be received. One or more attributes for the seismic data may be calculated. A posterior distribution may be generated. The posterior distribution may represen... | 12/02/2010 |
| 20100286967 | APPARATUS AND METHOD FOR MULTI-SENSOR ESTIMATION OF A PROPERTY OF AN EARTH FORMATION An apparatus for estimating a property of an earth formation includes: a plurality of sensors configured to estimate at least one property, each of the plurality of sensors located at a known position relative to one another; and a processor in operable communication wi... | 11/11/2010 |
| 20100274489 | METHODS AND SYSTEMS FOR BOREHOLE SEISMIC Methods and systems for determining reservoir parameters of subterranean formations. A tool is configured or designed for deployment at at least one depth in a borehole traversing a subterranean formation. The tool comprises at least one sensor configured or designed fo... | 10/28/2010 |
| 20100265794 | SYSTEM AND METHOD TO ESTIMATE COMPRESSIONAL TO SHEAR VELOCITY (VP/VS) RATIO IN A REGION REMOTE FROM A BOREHOLE In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region remote from a borehole using a conveyed logging tool is disclosed. In some aspects, the method includes a... | 10/21/2010 |
| 20100265795 | SYSTEM AND METHOD TO CREATE THREE-DIMENSIONAL IMAGES OF NON-LINEAR ACOUSTIC PROPERTIES IN A REGION REMOTE FROM A BOREHOLE In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region remote from a borehole using a conveyed logging tool is disclosed. In some aspects, the method includes a... | 10/21/2010 |
| 20100268468 | Method and Apparatus for Geobaric Analysis A method and apparatus for geobaric analysis. The method may include acquiring an in situ gas volume of a subterranean formation, acquiring a drilling fluid characteristic, determining a volume of gas excavated from the subterranean formation utilizing the drilling flui... | 10/21/2010 |
| 20100256916 | METHOD FOR TARGET-ORIENTED REVERSE TIME MIGRATION FOR PRESTACK DEPTH IMAGING A method and system for target-oriented reverse time migration for prestack depth imaging. One embodiment of the present invention includes determining an acquisition area within an earth model and also determining a reference surface near a target in the subsurface reg... | 10/07/2010 |
| 20100223011 | REFLECTOMETRY REAL TIME REMOTE SENSING FOR IN SITU HYDROCARBON PROCESSING A method and apparatus for sensing conditions in a subsurface geologic formation heated for the extraction of hydrocarbons is disclosed. A time domain reflectometer in conjunction with an open wire transmission line is employed in real time to determine impedance discon... | 09/02/2010 |
| 20100218941 | Determining the Use of Stimulation Treatments Based on High Process Zone Stress Methods for determining whether to perform a stimulation treatment on a subterranean zone are disclosed. Process zone stress (“PZS”), indicative of a production potential of the subterranean zone, is determined, and a determination is made as to whether the PZS exce... | 09/02/2010 |
| 20100175886 | Retrodicting Source-Rock Quality And Paleoenvironmental Conditions A method for retrodicting source-rock quality and/or paleoenvironmental conditions are disclosed. A first set of system variables associated with source-rock quality is selected (705). A second set of system variables directly or indirectly causally related to th... | 07/15/2010 |
| 20100121580 | METHOD OF ESTIMATING PHYSICAL PARAMETERS OF A GEOLOGICAL FORMATION A well passing through a geological formation is fitted with a tube, open at its bottom end, that is filled with a fluid. Another fluid is in the annular space between the tube and the wall of the well, the two fluids exhibiting an interface situated in the annular spac... | 05/13/2010 |
| 20100121579 | PROCESSING MEASUREMENT DATA THAT INVOLVES COMPUTING A DERIVATIVE OF THE MEASUREMENT DATA THAT REPRESENTS A SUBTERRANEAN STRUCTURE To process measurement data representing a subterranean structure, a derivative of the measurement data collected by at least one survey receiver is computed, with respect to frequency. A response representing the subterranean structure is then computed based on the der... | 05/13/2010 |
