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WO/2017/204879A1 |
A global objective function is initialized to an initial value. A particular model simulation process is executed using prepared input data. A mismatch value is computed by using a local function to compare an output of the particular mo...
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WO/2017/204107A1 |
Provided is a target detection device (100) which is mounted upon a vehicle, said device comprising: a radar identification unit (10) which, for a radar-detected target which has been detected by a radar (21), identifies radar target pos...
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WO/2017/196476A1 |
A method, apparatus, and program product evaluate fracture abundance in a subsurface formation by modeling a fracture network in a three-dimensional volume using geometric primitives and based at least in part on geomechanical simulation...
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WO/2017/196474A1 |
A method, apparatus, and program product utilize a multi-step subsidence inversion to model lithospheric layer thickness through geological time for a rift basin in a subsurface formation.
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WO/2017/196475A2 |
A method, apparatus, and program product evaluate fracture abundance in a subsurface formation by modeling a fracture network in a three-dimensional volume using geometric primitives. A fracture abundance parameter, e.g., a P32 fracture ...
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WO/2017/196303A1 |
A downhole tester valve disposed below an isolation member in a test string may facilitate a shut-in drill stem test procedure. The positioning of the tester valve allows the tester valve to remain in a static location when the test stri...
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WO/2017/192926A1 |
A method for estimating an inverted parameter of a subsurface formation includes measuring a first parameter of the subsurface formation and measuring a second parameter of the subsurface formation. The method further includes defining o...
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WO/2017/192423A1 |
Estimates are formed of reservoir pressure between the wells for subsurface hydrocarbon producing reservoir. The estimation is based on field data and physical laws governing the hydrocarbon flow in porous media. Information from 3-dimen...
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WO/2017/188964A1 |
A distributed downhole sensor system for a well includes a sensor array comprising. The sensor array includes a plurality of sensors and cable segments. Each sensor is associated with a unique digital address and locatable downhole to ca...
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WO/2017/184122A1 |
The present disclosure relates to oil and gas exploration and production, and more particularly to systems and methods for evaluating sand-resistivity and/or sand-conductivity, as well as saturation in laminated shale-sand formations wit...
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WO/2017/183667A1 |
On the condition that there is a region of overlap between a reflection wave search area and an image search region, an ECU 20 determines whether objects detected by a radar sensor 31 and a camera sensor 32 are the same object. In the ca...
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WO/2017/181982A1 |
An underground mineral product detector provided with a video capture unit comprises a cylindrical detector body (1). A circuit layer (2) and a power supply layer (3) are disposed in the detector body (1). The underground mineral product...
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WO/2017/181980A1 |
An underground mineral detector, comprising a cylindrical detector body (1), the inside of the detector body (1) being provided with a circuit layer (2) and a power source layer (3). The underground mineral detector also comprises a dete...
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WO/2017/177967A1 |
An underwater detection system and an underwater detection method. The underwater detection system comprises a laser-emitting device (100), an ultrasonic detection device (300) and a measurement device (500). The laser-emitting device (1...
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WO/2017/155737A1 |
Systems and methods are provided for a magneto- seismic exploration of a subsurface region. An electromagnetic source may transmit time-varying electromagnetic field into the subsurface region, in the presence of a static or time-varying...
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WO/2017/131825A1 |
A method and system can include a sensor positioned in a borehole, characteristics of the earthen formation can be measured and logged by the sensor, and an effective permeability can be determined based on the logged characteristics. Mu...
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WO/2017/127058A1 |
Evaluation of formation and fracture characteristics based on multicomponent induction (MCI) and multipole sonic logging (MSL) data includes automated calculation of inverted biaxial anisotropy (BA) parameters for the formation by perfor...
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WO/2017/123202A1 |
A well system with an electrical control and sensing system includes a first conductor and a second conductor. A first switching circuit is coupled between the first conductor and the second conductor. The first switching circuit include...
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WO/2017/116460A1 |
Apparatus and methods to generate a two-dimensional image of the well can include control of measurements in a well to generate a log of the well and use of such measurements and/or logs with a log of a reference well. The boundary posit...
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WO/2017/111611A1 |
A device (110) for performing measurements on a seabed (3), comprises a chamber (111) containing a sensor (120) and a fluid (115) at a constant temperature and at an ambient pressure. This removes the need for calibration in large ranges...
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WO/2017/105954A1 |
A method, including: determining, with a computer, point spread functions for a plurality of parameter locations by performing at least a portion of a first iteration of an iterative full wavefield inversion process; determining at least...
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WO/2017/102289A1 |
A method and apparatus for marine surveying including towing an electromagnetic source (104) having an electromagnetic cross-talk zone and an entanglement zone; towing a plurality of pieces of seismic equipment, wherein each piece of sei...
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WO/2017/105500A1 |
Apparatus and procedures that provide calibration for measurement tools can be implemented in a number of applications. Tool constant matrices generated in such calibration procedures can be utilized in downhole ranging measurements. Add...
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WO/2017/105415A1 |
This disclosure relates generally to equipment utilized and operations performed in conjunction with a subterranean well and, in one example described below, more particularly provides for controlling the buoyancy in a monitoring apparat...
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WO/2017/105420A1 |
A device is described for measuring downhole flow rate, density and fluid fractions of oil-gas-water mixtures in a production string.
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WO/2017/105418A1 |
Various embodiments include methods and systems structured to transmit data from downhole sensors to the surface at a well site. The transmission can be implemented to overcome downhole connections that can act as obstructions to direct ...
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WO/2017/104580A1 |
An object detection device (10) is provided with: a radar area setting unit (12) for setting a detection area for an object as a radar search area, using as a reference the detection position of the object detected with a radar; an image...
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WO/2017/099751A1 |
A fiber optic distributed sensing system for installation within a wellbore is provided. The system includes a first set of downhole sensors having one or more nuclear sensors with nuclear field sensitivity. The system additionally inclu...
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WO/2017/095402A1 |
A method includes introducing a tool into a wellbore lined at least partially with a first casing and a second casing concentrically overlapping a portion of the first casing emitting an acoustic wave from an acoustic source included in ...
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WO/2017/094891A1 |
An object detection apparatus is provided with: a radar device (21) and an imaging device (22); a radar detection target position detection unit (10); an image detection target position detection unit (10); a same-target determination un...
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WO/2017/091667A1 |
A method for adjusting a parameter of a wellbore operation includes: conveying a carrier through the wellbore; performing a resistivity measurement on the formation using a resistivity tool disposed on the carrier; performing an acoustic...
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WO/2017/082871A1 |
Target objects are simulated using different triangle mesh sizes to improve processing performance. To perform the simulation, a seed point for the target object within a constraint volume is determined, the seed point representing a ver...
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WO/2017/074816A1 |
A method for making changes to a salt model are described. In particular, an algorithm allows a user to interactively edit a salt model to reflect migrated seismic data to improve model accuracy without having to select horizons that ove...
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WO/2017/074884A1 |
A method can include receiving borehole data for at least two properties associated with a formation; performing an inversion for formation pressure and temperature values based at least in part on at least a portion of the borehole data...
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WO/2017/074365A1 |
The disclosed embodiments include methods to obtain measurements of a wellbore and data logging devices. In one embodiment, the method includes measuring, by a sensor of a wellbore isolation device, at least one condition of the wellbore...
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WO/2017/069751A1 |
According to one embodiment, a mud pulse telemetry tool includes a body having a channel, a motor, and a valve coupled to the motor and disposed within the channel. The valve includes a plurality of lobes, with at least one of the plural...
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WO/2017/058239A1 |
Logging-while-drilling (LWD) tools may include multiple instruments interleaved into a compact configuration in a single drill string section that may be capable of nuclear magnetic resonance, resistivity, porosity, gamma density measure...
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WO/2017/058166A1 |
A selective stimulation system includes coiled tubing in which a distributed sensor array is disposed. The distributed sensor array is to measure hydrocarbon production parameters along the distributed sensor array in a wellbore of a for...
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WO/2017/058043A1 |
This disclosure describes a method, apparatus, and non-transitory computer-readable medium product for correcting a shale volume estimated from gamma ray information using a continuous radial profile of horizontal resistivity in the i...
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WO/2017/050142A1 |
A simulation experiment test system and test method for gas hydrates in a porous medium. The test system mainly comprises a reaction kettle, a sensing system, a hardware interface device and a data processing system. The reaction kettle ...
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WO/2017/048445A1 |
A method including: generating an updated subsurface property model of a subsurface region, with a computer, from an initial estimate of the subsurface property model by performing an iterative inversion, which includes inverting geophys...
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WO/2017/042415A1 |
The invention relates to a device for measuring the height of piles of a substance in railway environments and to the associated measuring method. The device comprises: a load cell (2); a presence detector (3) comprising at least two pre...
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WO/2017/039676A1 |
A method for modeling a reservoir includes receiving vertical formation data describing geological formations in a vertical direction as a function of vertical depth, receiving near-wellbore horizontal formation data describing the geolo...
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WO/2017/039658A1 |
A method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi- well hydrocarbon field to continuously update the reservoir model to optimize production effici...
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WO/2017/034528A1 |
Methods and systems are presented in this disclosure for evaluation of formation properties (e.g., permeability, saturation) based on interpretation of data obtained by production logging tools (PLTs). Based on the PLT data, a production...
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WO/2017/032520A1 |
An exemplary embodiment of the invention relates a method for determining hydraulic permeability of rocks in a subsurface region, the method comprising: in-situ measuring and/or calculating at least one of independent seismic velocities ...
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WO/2017/030599A1 |
A multiple curve capillary pressure data set derived from a core sample is discriminated into groups of similar curves representing similar pore structure groups. Primary reservoir development controlling factors (RDCFs) are identified f...
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WO/2017/024530A1 |
Provided is a method for calculating the content of organic carbon in a hydrocarbon source rock, belonging to the field of geological petroleum exploration. The method comprises: a first shale content indication is calculated according t...
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WO/2017/024523A1 |
An inversion method for a ray elastic parameter. The method comprises: collecting seismic data and logging data of an exploration area (S101), wherein the logging data comprises depth data, density data, longitudinal wave speed data and ...
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WO/2017/024700A1 |
A device for calculating the content of organic carbon in a source rock, which falls within the field of geological petroleum prospecting. The device comprises: a first calculation module (401) for calculating a first shale content indic...
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