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2010
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P/S
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Acids used in oil and gas exploration and production; hydraulic fluid; chemical preparations, nam... |
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P/S
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Chemicals used in industry, science and photography, as well as in agriculture, horticulture and ... |
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2003
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Invention
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Method for measuring and calibrating measurements using optical fiber distributed sensor. Methods... |
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Invention
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Method and apparatus for borehole sensing. The present invention provides an apparatus and method... |
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2002
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Invention
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Global classification of sonic logs. A method of determining the sonic slowness of a formation tr... |
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2001
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Invention
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Method of monitoring a drilling path. A method of monitoring the path of a borehole comprises acq... |
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Invention
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Methods and apparatus for downhole fluids analysis. A method of determining GOR comprising subjec... |
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Invention
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Geophone and method of manufacturing a geophone. A vibration transducer such as a geophone, compr... |
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Invention
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Acoustic frequency selection in acoustic logging tools. A logging system has a sonde in a borehol... |
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Invention
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Seismic method of performing the time picking step. The present invention provides a method of pe... |
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Invention
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Sonic well logging with multiwave processing. A method is set forth for determining acoustic prop... |
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Invention
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Distributed multiresolution geometry modeling system and method. A distributed multiresolution mo... |
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Invention
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Dipole logging tool. A logging tool having a tool body, which can be positioned in a fluid-filled... |
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Invention
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Method and device for active impedance matching. Dynamic matching of a source impedance (204, 304... |
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Invention
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Acoustic detection of stress-induced mechanical damage in a borehole wall. A method provides for ... |
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Invention
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Methods and apparatus for measuring differential pressure with fiber optic sensor systems. Method... |
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Invention
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Method of designing geophysical surveys. A method for the design of VSP for the purpose of imagin... |
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Invention
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System and method for multi-resolution fairing of non-manifold models. A method of fairing a non-... |
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2000
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Invention
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Nuclear magnetic resonance method and logging apparatus. NMR methods for extracting information a... |
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Invention
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Telemetry system for borehole logging tools. A borehole telemetry system including a surface tele... |
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Invention
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Oilfield analysis systems and methods. An oilfield data analysis system is based on a four-tier s... |
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Invention
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Method and apparatus for transmission of well-bore data on multiple carrier frequencies. A wireli... |
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Invention
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Method and tool for imaging a borehole wall. Methods and tools are provided for real time imaging... |
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Invention
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Methods and apparatus for making measurements on fluids produced from underground formations. Met... |
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Invention
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Method and device for determining asphaltene precipitation onset pressure. A process is provided ... |
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Invention
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Methods and apparatus for dynamically estimating the location of an oil-water interface in a petr... |
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Invention
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Methods and apparatus for long term monitoring of a hydrocarbon reservoir. The methods and appara... |
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Invention
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Methods for identifying fluid types of underground formations. A method of identifying the fluid ... |
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Invention
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System and method for electronic data delivery. The present invention comprises a data delivery s... |
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Invention
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Methods and apparatus for mechanically enhancing the sensitivity of longitudinally loaded fiber o... |
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Invention
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Methods and apparatus for enhancing dynamic range, sensitivity, accuracy, and resolution in fiber... |
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Invention
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Dual-mode thickness-shear quartz pressure sensors for high pressure and high temperature applicat... |
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Invention
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Processing sonic waveform measurements. A method of determining the sonic slowness of an undergro... |
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Invention
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Nuclear magnetic resonance method and apparatus for determining pore characteristics of rocks and... |
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Invention
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Analysis of downhole formation fluid contaminated by oil-based mud. A method and apparatus is pro... |
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Invention
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Uncertainty constrained subsurface modeling. A method, apparatus, and article of manufacture are ... |
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Invention
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Method for estimating rock petrophysical parameters using temperature modified nmr data. Carbonat... |
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Invention
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Scalable visualization for interactive geometry modeling. A method, computer system and article o... |
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1999
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Invention
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Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber opt... |
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Invention
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Modeling at more than one level of resolution. A method, computer system and computer program are... |
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Invention
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Method and apparatus for imaging earth formation. The borehole imaging apparatus of the present i... |
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Invention
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Method and apparatus for measuring multiphase flows. A method of characterizing a multiphase mixt... |
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Invention
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Method of installing a sensor in a well. Coiled tubing (120) is used to drill into a subsurface f... |
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Invention
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Method and apparatus for ultrasonic imaging of a cased well. A method and apparatus for utilizing... |
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1998
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Invention
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Method and apparatus for creating, testing, and modifying geological subsurface models. The prese... |
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Invention
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Pressure and temperature transducer. A pressure and temperature sensitive transducer suitable for... |
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Invention
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Processing well log data. Method of processing data obtained from an interval of a borehole using... |
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Invention
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Temporary storage barge. An oil storage vessel (10) comprises a hull (12) of generally tubular fo... |
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Invention
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Pressure and temperature transducer. A pressure- and temperature-sensitive transducer comprises a... |
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Invention
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Borehole seismic tool. A borehole seismic shuttle tool includes a tool body (200) having a cavity... |
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Invention
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Borehole logging tool with anchoring mechanism. A borehole tool, such as a seismic shuttle-type l... |
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Invention
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Acoustic logging tool. A sleeve for an acoustic logging tool has a structure with a window sectio... |
