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WO2008103986B1 |
A method, system and machine-readable medium encoded with machine- executable instructions for creating an ensemble of estimated upscaled reservoir models includes obtaining a fine-scale geomodels of a subsurface region including a plura...
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WO/2008/118931A2 |
A wellbore communications system comprising a surface computing unit. The surface computing unit comprises a processing module and a communications module, one or more downhole modules arranged within the wellbore, and a wireless communi...
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WO2008005192B1 |
A MWD/LWD hard line communication system and method includes for the system a cartridge capable of deploying wire in a borehole, a screen attachable to the cartridge and positionally retainable in the borehole, and a communications conne...
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WO/2008/110907A2 |
Apparatus for location of objects immersed in incoherent materials, comprising a three-dimensional sensor (2), provided with a plurality of feeler elements (12), which can be extended under the thrust of motor means, each feeler element ...
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WO/2008/101021A2 |
A communication tool apparatus is described which is adapted to provide selective communication of control fluid through a downhole device such as a safety valve. The downhole safety valve is a tubing retrievable subsurface safety valve ...
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WO/2008/097101A1 |
Assembly for drilling and logging, comprising a device for electro pulse drilling (EPD device), at least one device to receive acoustic signals generated by the EPD device, distinguished in that the assembly further comprises at least on...
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WO/2008/092366A1 |
An apparatus for identifying object movement and location with RFID device comprises two RFID gateways constructed by at least one RFID interrogator located inside and outside an entrance of a monitored zone independently, a portable RFI...
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WO/2008/091353A2 |
A method is disclosed for performing optimal gridding in reservoir simulation, the method comprising: establishing an optimal coarse grid proxy that can replace all or parts of a fine grid with a coarse grid while preserving an accuracy ...
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WO/2008/081162A1 |
A method for mapping a property of a subsurface reservoir includes determining a value of at least one reservoir property (20) from measurements obtained from a well drilled through the reservoir (18). A relationship is determined betwee...
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WO/2008/068586A1 |
A method and apparatus for deploying seismic detectors and monitoring seismic activity associated with a production well from a down hole location within a well. The methods and apparatus of the subject invention include in one embodimen...
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WO/2008/046835A2 |
A method of monitoring a subsurface formation underneath a sea bed, the method comprising determining non-vertical deformation of the sea floor over a period of time and inferring a parameter related to a volume change in the subsurface ...
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WO/2008/044042A2 |
A passive listening acoustic system comprising source means for providing continuous, pulsed or pulse coded acoustic signals at two or more different frequencies and at least two acoustic sensors or hydrophones which detect and record a ...
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WO/2008/034434A1 |
The invention relates to an arrangement and method for recognising and classifying preferably hidden objects in object and/or human traffic. According to the invention, objects relevant to security are recognised located and tracked thro...
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WO/2008/032082A1 |
A method of producing a survey report of subterranean strata which comprises: simultaneously towing an EM field transmitter and a seismic source behind a vessel; towing at least one streamer behind the same vessel, said streamer or strea...
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WO/2008/031021A2 |
A system, method and device (100) may be used to monitor conditions in a borehole. Energy is transmitted to a pulse generator located proximate a position to be interrogated with a sensor. The pulse generator stores the energy, then rele...
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WO/2008/023256A1 |
A downhole tool, configured to be suspended in a borehole traversing an earth formation, includes a downhole data acquisition system placed in the tool body and electrically connected to an electric power generator at the formation surfa...
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WO/2008/021261A2 |
A telemetry system for communication in a borehole uses two spaced-apart transducers. The outputs from the two transducers are filtered to decoupled tool signals traveling in opposite directions. One of the two signals may be it telemetr...
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WO/2008/005193A2 |
A MWD/LWD bottom hole assembly including a housing and a window at the housing, the window being transmissive to the signal of at least one transceiver of a tool having a memory in operable communication with the transceiver, such that t...
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WO/2007/140264A2 |
A method is disclosed for modeling a reservoir, comprising: receiving a set of wettability logs from a wettability logging tool adapted to be disposed in a wellbore; generating a wettability map in response to the wettability logs; gener...
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WO/2007/136378A1 |
In some embodiment, apparatus [200] and systems [264], as well as methods, may operate to remotely control a well-site logging system, direct activities of well-site logging personnel, and provide electronic audio, visual, and data commu...
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WO/2007/130230A1 |
A computer-based system analyzes reservoir simulation results with a rule-based event monitor to trigger appropriate warnings in the event any of a number of applicable reservoir operation conditions is detected as likely to occur. The c...
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WO/2007/126658A2 |
A computer-based system generates digital and audio responses to changes in fluid and rock properties of a producing hydrocarbon reservoir for surveillance analysis. The system calibrates observed changes against directly-measured field ...
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WO/2007/114734A1 |
The inventive method for the specific seismically hazardous region of the globe in the second equatorial coordinates system consists in determining the vector "Z" in a zenith direction and the vector "V" of a rotational speed, in forming...
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WO/2007/109607A2 |
An inspection system (10) including a first subsystem (12) including a first identity verification system (14) and a passenger screening system (16) each configured to receive information from a passenger and store the verified informati...
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WO/2007/096525A1 |
The invention concerns a method for identifying the risk of failure of a geological confinement system (10), said method including the following steps: acquiring data concerning said system (10); based on said data concerning said system...
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WO/2007/095112A2 |
A decision feedback equalizer (DFE) structure which uses a reference signal based adaptive equalizer as forward filter and a blind adaptive equalizer as feedback filter is used for surface processing of mud pulse telemetry data.
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WO/2007/095103A2 |
Channel estimation and signal equalization is used in a mud-pulse telemetry system for uplink communication during drilling of wellbores.
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WO/2007/092596A2 |
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 f...
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WO/2007/092127A2 |
The present invention provides a method and apparatus for logging an earth formation and acquiring subsurface information wherein a logging tool is conveyed in borehole to obtain parameters of interest. The parameters of interest obtaine...
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WO/2007/074671A1 |
An object detecting means (500) detects ID information and position of an object from outputs from a wireless tag reader (100), a human detecting sensor (200) and a camera (300). When the object detecting means judges that data relating ...
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WO/2007/058899A1 |
Measurements made by a formation evaluation sensor downhole are processed to produce an image and a bitstream characterizing the image is transmitted uphole. The parameters used in the downhole processing are dynamically alterable.
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WO/2007/055577A1 |
A method for preventing damage to underground conduits, pipes, cables and the like caused by earth moving activities, wherein use is made of detectors for detecting at least the position of underground conduits, pipes, cables and the lik...
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WO/2007/053419A2 |
A logging system for use in a wellbore (1) formed in an earth formation (2). A tubular conduit (9) is provided extending from surface (8) into the wellbore, as well as a surface communication and control device (34) located at the surfac...
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WO2007022116B1 |
A resistivity logging tool suitable for downhole use includes a transmitter and two spaced apart receivers. The measured signals are inverted to determine the distance to an overpressured zone in the earth formation. The overpressured zo...
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WO2007011719B1 |
A data compression technique for MWD applications uses feature detection, extraction, followed by image compression for only the region(s) of interest. The detection approach processes data in real time. It triggers on the start and end ...
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WO/2007/018916A2 |
A data telemetry system for multi-conductor wirelines to enhance transmission of analog and digital signals with frequency content up to 100 kHz by assigning at least two conductors to a first terminal of a data transmittal means and to ...
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WO/2007/008658A1 |
A computer-implemented method is provided that automatically characterizes and verifies stationarity of a training image for use in multipoint geostatistical analysis. The stationarity is preferably characterized by statistical measures ...
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WO/2006/133424A2 |
An apparatus and method for analyzing known data, storing the known data in a pattern database ("PDB") as a template is provided. Additional methods are provided for comparing new data against the templates in the PDB. The data is stored...
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WO/2006/132853A2 |
Method and systems for using agents to perform an operation (e.g., a search) over a geographic area are provided. The system can first create a digital map of the geographic region divided into cells that contain information about the pr...
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WO/2006/132861A1 |
Parameters of a pore-scale geometric model of a clastic earth formation are adjusted so that the output of the model matches measurements made by a formation evaluation sensor or on a core sample. Additional properties of the earth forma...
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WO2006065483A9 |
An embodiment includes a method comprising receiving an acoustic signal that is modulated along a jointed tubing. The method also includes performing equalization over a passband of the acoustic signal to generate an equalized signal.
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WO2005124397B1 |
A system for communicating between a first location and a second location comprises a jointed tubular string (4) having a first section (21) and a second section (22) connected at a connection joint (4), with the tubular string having a ...
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WO/2006/100450A1 |
Methods and systems for communicating with downhole locations and transmitting power to downhole locations. Use is made of a cable (3) passing someway down into the well. This cable (3) may be connected to a downhole sensor (2) and may b...
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WO/2006/097095A1 |
The invention relates to a mining device that is used at the face of a mine, said device comprising a sensor (3) that is mounted on the planer (2) for identifying the rock and transmitting rock data for no more than two measuring points ...
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WO/2006/084385A1 |
The present invention provides a system (method and apparatus) for creating photorealistic 3D models of environments and/or objects from a plurality of stereo images obtained from a mobile stereo camera and optional monocular cameras. Th...
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WO/2006/072938A1 |
A method for visualizing objects (13) under light obstructing barriers of a target, the method including emitting an ultrasound wave (11) and a laser wave (14), towards a target, detecting a reflected laser wave is detected by optical me...
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WO/2006/067575A1 |
A technique is described for releasing a borehole seismic acquisition tool from a stuck position within a borehole. The borehole seismic acquisition tool includes a tool body having at least one sensor package. The borehole seismic acqui...
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WO/2006/066166A2 |
A new adjoint method for calculating and using adjoint gradients in a Reservoir Simulator comprises: calculating adjoint gradients of an objective function with respect to changes in valve settings taking into account the modeling of pre...
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WO/2006/059197A1 |
A sonde for installation in a well including a clamp (2) for engaging with the inner wall of a well casing (3) and securing device for securing the clamp to inner tubing of the well, whereby the securing device includes an attachment dev...
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WO/2006/059079A1 |
A downhole signal receiving system where a pair of setting devices (51) are used to electrically connect with downhole structure and are connected to one another by a bulk conductor (52). Signals are extracted by using a detecting means ...
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