Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 9,573

Document Document Title
WO/2018/070977A1
An optical device provided to interrogate a fluid sample. The optical device includes a light source configured to provide an light, an optical interface configured to allow the light to pass through to interact with the fluid sample, an...  
WO/2018/071002A1
Acoustic characterization and mapping of flow from a perforation zone of a well. As a wireline probe containing acoustic sensors moves through the well, the acoustic sensors record acoustic pressure measurements of flow for each perforat...  
WO/2018/071658A1
The integrity of a well is evaluated using a non-invasive and lower cost screening system and method. The system and method identify whether well integrity has degraded and whether there is a clear break in the casing (100) of a well, a ...  
WO/2018/068147A1
A downhole acoustic transmitter has a piezoelectric transducer, an enclosure in which the piezoelectric transducer is housed, a transducer preload means which applies a selected compressive force against the transducer such that a mechan...  
WO/2018/069696A1
There are described downhole devices, methods and other apparatus, which may be used to generate energy, monitor fluids and/or provide control signals or otherwise trigger for actuation. The devices, methods, etc. may provide improved au...  
WO/2018/070875A1
The invention relates to a pore pressure monitoring device, for use in geotechnical engineering, adapted to be deployed underground for monitoring pore-water pressure in the ground, comprising a pressure sensor cavity (2) and a pressure ...  
WO/2018/068968A1
The invention relates to a drill pipe comprising a first section with a first wall thickness, a second section adjacent to one end of the drill pipe, with a second wall thickness different from the first wall thickness, and a third secti...  
WO/2018/069683A1
A well bore integrity test tool (10) and method of pressure integrity testing a well bore by performing positive and negative pressure tests in a well bore in multiple locations in the well and on the same trip as other operations in the...  
WO/2018/071357A1
A method includes varying a temperature of a treatment fluid. The treatment fluid is pumped into the first wellbore as part of a fluid diversion process or a fluid treatment process after the temperature of the treatment fluid is varied....  
WO/2018/070998A1
A digital telemetry system can be calibrated to improve data communication. A receiver can receive a modulated signal with a predetermined sequence of transmitted symbols. A processing device can be communicatively coupled to the receive...  
WO/2018/071032A1
The disclosed embodiments include leak detection systems and methods of downhole leak detection. In one embodiment, the method includes obtaining physical signals measured by at least one physical sensor traveling along a wellbore. The m...  
WO/2018/070980A1
Various embodiments include methods and apparatus structured to install an optical fiber cable into a well at a well site. In a from-bottom-to-top embodiment, an anchor deployed at a selected location in a hole of the well can be used an...  
WO/2018/070985A1
A fluid extraction tool including a body; a sealing pad extending from a portion of the elongated body, the sealing pad having an opening for establishing fluidic communication between an earth formation and the elongated body, the seali...  
WO/2018/071038A1
A transducer, method, and downhole tool for acoustic logging. The acoustic transducer comprises a piezoelectric material comprising a body and grooves formed on the body. The grooves comprise a first groove that intersects with a second ...  
WO/2018/067279A1
A system provides thermal and stress analysis of complex well operations above the end of the downhole string to meet the analysis needs of downhole operations such as hydraulic fracturing in unconventional oil and gas field development.  
WO/2018/067154A1
An electromagnetic ranging system and method for location a target well. The electromagnetic ranging system may comprise a modular electromagnetic ranging tool. The electromagnetic ranging tool may comprise at least one transmitter coil ...  
WO/2018/067119A1
A multivariate analysis may be used to correlate seismic attributes for a subterranean formation with petrophysical properties of the subterranean formation and/or microseismic data associated with treating, creating, and/or extending a ...  
WO/2018/067120A1
A method may comprise: modeling a complex fracture network within the subterranean formation with a mathematical model based on a natural fracture network map and measured data of the subterranean formation collected in association with ...  
WO/2018/067273A1
The rotary steerable drilling tool and system described herein combines both point- the-bit and push-the-bit techniques to actively change the direction of the borehole trajectory. In this system, the deflection of the drill bit is limit...  
WO/2018/067126A1
In accordance with presently disclosed embodiments, a system and method for determining a measurement for a pseudo receiver antenna with a different lateral position and a different azimuthal direction than at least two receiver antennas...  
WO/2018/067117A1
A sensor is calibrated to determine a first offset parameter. The sensor has a boundary condition that affects the first offset parameter. A first viscosity of a first fluid is calculated using a calculated parameter adjusted by the firs...  
WO/2018/067112A1
A system, in some embodiments, comprises: a drill string; a first receiver coil coupled to the drill string at a fixed tilt angle with respect to a longitudinal axis of the drill string; a second receiver coil coupled to the drill string...  
WO/2018/065909A1
An oil field chemical-carrying material comprising granulated particles is disclosed. The granulated particles comprise alumina. An oil field chemical is integrally incorporated into the granulated particle. The particles have been aged ...  
WO/2018/067116A1
A pipe has a longitudinal axis. A flex board extends along the longitudinal axis within the pipe and curls around the longitudinal axis. A cross-section of the flex board perpendicular to the longitudinal axis has a flex-board curve shap...  
WO/2018/067757A1
In-phase and quadrature components have different relationships with some important petrophyscial parameters, such as water saturation and mineral cation exchange capacity (CEC). In clay-containing subterranean rock formation such as sha...  
WO/2018/067113A1
A property of a downhole fluid, for example, a chemical species or ion concentration, may be accurately determined and logged based on measurements received from an optical detector where the optical detector is fed information or signal...  
WO/2018/067121A1
A telemetry system is operable to transmit data by bridging the low signal bandwidth available to high temperature electronics with the high spectral bandwidth available in optical fiber. A transmitter, such as a frequency comb, generate...  
WO/2018/067598A1
A well tool (60) includes a perforating gun (108), a sealing element (130), at least one pressure sensor (150), a detector (132), a controller (152), and an anchor (134). The perforating gun (108) perforates the wellbore tubular in respo...  
WO/2018/067557A1
One example of a wellbore control tool and a method of use is described. A leak is detected in a cased wellbore (102) comprising a multiple telescoping casing sections (104). A fluid flows in an uphole direction through the cased wellbor...  
WO/2018/063142A1
The quality of processed MCI logging data is assessed using quality indicators ("QIs") including, for example, an oval-hole effect QI, formation-invasion effect QI, shoulder effect QI, biaxial anisotropy ("BA") effect QI, or dip-differen...  
WO/2018/063229A1
A method including generating integrated computational element (ICE) models and determining a sensor response as the projection of a convolved spectrum associated with a sample library with a plurality of transmission profiles determined...  
WO/2018/064170A1
The apparatus (30) and method (200) for determining well integrity of a hydrocarbon-producing well (10) described herein uses uniquely, the resonances reflected from the well integrity layers (44-54) to determine well integrity features,...  
WO/2018/063237A1
A borehole fluid imaging system includes a plurality of radiation sources located circumferentially around the borehole. A plurality of radiation detectors are located circumferentially around the borehole. The plurality of radiation det...  
WO/2018/063543A1
Angular position readings are obtained during rotation of an apparatus in a borehole, and angular rate readings are obtained over time of the rotation. The angular rate readings are adjusted based at least on the angular position reading...  
WO/2018/063185A1
A solid-state hydrophone may include a piezoelectric rod positioned between at least two electrodes. The piezoelectric rod may be disposed within a metallic housing to shield the piezoelectric rod and its connections from acoustic and el...  
WO/2018/063005A1
A down hole scanner comprising a cathode comprising a plurality of carbon nanotubes attached to a substrate, an anode arranged to receive electrons emitted from the cathode and arranged to emit electromagnetic radiation for open hole dia...  
WO/2018/063387A1
Methods, systems, and computer program products appraise the quality of resistivity LWD data inversion and related earth models. The appraisal uses several quality factors, including signal-to-noise ratio, noise-to-signal ratio, data imp...  
WO/2018/063162A1
A method and electromagnetic ranging system for determining the location of a target well. A method may comprise taking a first measurement with an electromagnetic ranging tool at a first position and calculating a first modeled signal. ...  
WO/2018/064659A1
A method includes running a cable into a first wellbore. A fluid diversion process is initiated in the first wellbore. A first downhole measurement is captured in the first wellbore using the cable or a first sensor coupled thereto concu...  
WO/2018/063246A1
A logging instrument for estimating a property of a formation is provided. The instrument includes a magnet to generate a magnetic field. The instrument also includes pulse sequencer circuitry that supplies radio frequency (RF) signals. ...  
WO/2018/063328A1
A system for determining characteristics of a fracture can include electromagnetic sensors and a pressure sensor. The electromagnetic sensors can be positioned in a wellbore having a perforation to determine an amount of flow traversing ...  
WO/2018/063146A1
Interrogation tools and methods are used to efficiently locate cable behind casing. The interrogation tool has at least one electromagnetic transmitter and receiver. An electromagnetic field is emitted from inside the tubular, whereby it...  
WO/2018/063184A1
A casing has a plurality of joints of pipe joined by a plurality of casing collars, and an outer surface. A high-frequency alternating current (AC) source electrically is coupled to the casing. A coating of insulating material covers the...  
WO/2018/063156A1
A method to process vertical seismic profile (VSP) data includes receiving VSP data, migrating the VSP data output using an initial velocity model to produce migrated depth values associated with the respective receivers, sorting and col...  
WO/2018/063143A1
Multi-directional ultrasonic transducers useful for small downhole applications where two or more separate or larger transducers are too large. The transducer includes a backing material having two or more piezoelectric elements attached...  
WO/2018/063309A1
The present disclosure relates to vibration frequency sensors comprising a vibratable flow tube having an interior for receiving a fluid, a vibration detector coupled to the flow tube for detecting a frequency of the fluid received by th...  
WO/2018/060416A1
The present invention relates to a downhole completion system comprising an intermediate casing arranged in a borehole having a top, an outer production casing arranged at least partly within the intermediate casing defining a primary an...  
WO/2018/063169A1
Planning and real time optimization of one or more modules of a downhole tool provide efficient and cost-effective deployment of a measurement system, for example, for a ranging tool. Considerations of the environment and type of operati...  
WO/2018/057029A1
A passive array of acoustic sensors capture acoustic signals produced by sand movement. The array tool is deployed downhole where it passively listens for acoustic energy generated by sand movement in the well. Once acoustic signals are ...  
WO/2018/054436A1
The invention relates to a method and a system for monitoring one or more control parameters in a borehole (6), wherein a downhole tool (8) is mounted in a drill string (2) and is able to measure at least one control parameter using suit...  

Matches 1 - 50 out of 9,573