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WO/2017/120505A1 |
A downhole steering tool includes one or more steering blades selectively extendable from a housing. Each steering blade may be extended by fluid pressure within a steering cylinder. Each steering cylinder may be coupled to the interior ...
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WO/2017/116474A1 |
Automated planning, control and/or geosteering assistance for a subterranean drilling operation is performed using an analytical drilling performance model that is a function of a rock brittleness index that is correlated with a correspo...
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WO/2017/116417A1 |
A method for generating a BHA design and component selection by creating a plurality of BHA configurations. A cost function, representative of each respective BHA configuration, is determined. Each cost function includes drilling process...
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WO/2017/116436A1 |
Systems and methods for automated planning and/or control of a drilling operation are implemented to be based at least in part on automated prediction of well performance using an analytical well performance model. Substantially real-tim...
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WO/2017/109553A1 |
Optimized enhanced oil recovery can include tuning of injection rates during a recovery operation. The injection rate of injection fluid pumped into a formation can be controlled to alternate between monotonically increasing and monotoni...
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WO/2017/105430A1 |
System and methods for optimizing coiled tubing string configurations for drilling a wellbore are provided. A length of a rotatable segment of a coiled tubing string having rotatable and non-rotatable segments is estimated based on the p...
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WO/2017/105849A1 |
A method for steering a downhole tool in a wellbore includes measuring a tool face when the drill bit is off-bottom, measuring an angular position of a drill string when the drill bit is off-bottom, and measuring a torque on the drill st...
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WO/2017/106867A1 |
A method of performing a perforation operation is disclosed. The method involves generating a stress contrast distribution for each stage of a well based on drilling stress data and a stress log of the well, generating a stress associati...
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WO/2017/097945A1 |
Example embodiments presented herein are directed towards a safety system, for example a subsea workover safety system,for overriding a control module configured to actuate a component of a hydrocarbon production apparatus, particularly ...
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WO/2017/096101A1 |
An apparatus includes a variable orifice choke disposed within a riser. The riser is connected between a drilling platform and a wellbore. A control unit is in signal communication with the variable orifice choke. The control unit is ope...
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WO/2017/095974A1 |
A method for drilling a well includes orienting a steerable drilling motor at a selected toolface angle. The steerable drilling motor is connected by a drill string to a surface drilling location. The drill string is automatically rotate...
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WO/2017/095959A1 |
A downhole closed loop method for controlling a curvature of a subterranean wellbore while drilling includes controlling a direction of drilling such that the drilling attitude is substantially equal to a setpoint attitude. A setpoint ra...
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WO/2017/088052A2 |
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WO/2017/086906A1 |
Methods, systems, and computer program products for generating a schedule for fluid placement. A computer-implemented method may include determining, for each zone of a plurality of zones of a treatment interval to be treated by the flui...
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WO/2017/086976A1 |
An illustrative hydraulic fracturing flow simulation system includes: a data acquisition module collecting measurements from a subterranean formation; a processing module implementing a hydraulic fracturing simulation; and a visualizatio...
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WO/2017/083454A1 |
A method for controlling an automatic drilling system includes measuring at least one drilling operating parameter applied to a drill string disposed in a wellbore when the drill string is suspended above the bottom of a wellbore. The dr...
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WO/2017/079630A1 |
A condition monitoring system for a directional control valve (DCV) which is operable to selectively connect a source of a first pressurized fluid to a hydraulically actuated device to thereby actuate the device. The DCV is actuated by a...
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WO/2017/078671A1 |
Methods and systems are presented in this disclosure for performing fast economic analysis of production by fracture-stimulated wells. A class of models can be defined by combining a simulated fracture geometry comprising a stimulated re...
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WO/2017/078949A1 |
Computing systems, computer-readable media, and methods may include determining at least one automated sequence to be performed during a portion of a drilling operation by a drilling system. The at least one automated sequence may includ...
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WO/2017/074818A1 |
Wellbore sensor systems and related methods are disclosed. A wellbore sensor system includes a first sensor node and a second sensor node. The first sensor node is operably coupled to a drill string at a first location. The second sensor...
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WO/2017/074456A1 |
A cognitive computing system for enhancing drilling operations, in some embodiments, comprises: neurosynaptic processing logic; and one or more information repositories accessible to the neurosynaptic processing logic, wherein the neuros...
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WO/2017/069766A1 |
A method of detecting a fault in an oil and gas apparatus controlled by a controller is provided. The method includes collecting a test set of data using a sensor proximate to an oil and gas apparatus during the operation of the oil and ...
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WO/2017/070069A1 |
Methods may include applying a correlation between the probability of stress variations in a first well and variations in drilling data obtained from the first well to drilling data obtained from one or more additional wells; calculating...
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WO/2017/070025A1 |
A system includes a data interface that receives data associated with a plurality of wells; an inference engine that receives and analyzes at least a portion of the data to generate results; and a communication engine that outputs inform...
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WO/2017/066738A1 |
A geophysical sensor deployment apparatus designed to provide improved coupling between the senor and the ground, includes a ram extendible through a ram guide. The guide has an opening for insertion of a geophysical sensor. The ram has ...
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WO/2017/061926A1 |
The present invention relates to a method for optimising energy usage at a drilling arrangement. The method comprises the step of determining an acceleration of a drilling head in the drilling arrangement. The method further comprises de...
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WO/2017/058092A1 |
The invention relates to a method for drilling plan generation where a drilling plan is specifying a number of drilling holes having a starting point and an end point, which drilling holes are distributed within specified sectors of the ...
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WO/2017/058089A1 |
The present invention relates to a method for assigning a set of tasks to a plurality of drill rigs (200A, 200B; 701-703), said tasks including drilling of holes by said plurality of drill rigs (200A, 200B; 701-703). The method includes:...
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WO/2017/058690A1 |
A drill string can include an electromagnetic transmitter oriented at an actual effective tilt angle with respect to the drill string and an electromagnetic receiver oriented at an actual effective tilt angle with respect to the drill st...
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WO/2017/058088A1 |
The present invention relates to a method for assigning a set of tasks to a plurality of mining and/or construction machines (200A, 200B;701-703), said machines (200A, 200B;701-703) being arranged to be driven between positions for perfo...
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WO/2017/058091A1 |
The invention relates to a method for drilling plan generation where a drilling plan (PBP) specifies a number of drilling holes having a starting point and an end point, which drilling holes are distributed within sectors (W; LS; RS; US;...
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WO/2017/052693A1 |
A boring tool is movable through the ground. A transmitter supported by the boring tool transmits an electromagnetic homing signal. A portable device monitors the electromagnetic homing signal and receives the electromagnetic homing sign...
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WO/2017/053833A1 |
A system and method for determining if well influx is due to ballooning or a formation kick. The system and method employing flow-in, flow-out, and pit volume data from a series of both pumps-off and pumps-on events. The system determini...
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WO/2017/050335A1 |
a drilling or work-over vessel (10) is disclosed comprising a number of operational equipment (300), wherein the drilling or work-over vessel comprises at least one operational control and/or state unit (100) comprising at least one proc...
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WO/2017/044094A1 |
A system including a transmitter mounted inside a pressure bulkhead of a drill tool transmitting a light at a first wavelength is provided. The system includes a receiver mounted inside the pressure bulkhead to detect a second light at a...
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WO/2017/044357A1 |
Aspects of the disclosure can relate to systems or devices for detecting a lifespan parameter of a power transistor of an electronic device. In an embodiment, a device can include a differential probe configured to connect to a first ter...
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WO/2017/035658A1 |
Methods, systems, and techniques for detecting at least one of an influx event and a loss event during well drilling involve using one or both of errors between 1) estimated and measured pit volume, and 2) estimated and measured flow out...
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WO/2017/037422A1 |
A method of operating a drilling system, the drilling system comprising: a drill string which extends into a wellbore, a driver operable to rotate the drilling string, a pump operable to pump drilling fluid down the drill string, a well ...
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WO/2017/039622A1 |
Methods and systems are presented in this disclosure for feasibility study of cuttings reinjection (CRI) process based on three-dimensional (3-D) geomechanical analysis. A location of an injection well for CRI can be first determined alo...
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WO/2017/039459A1 |
A method of obtaining an effective bulk modulus of a managed pressure drilling system 1, the method comprising: generating a pressure wave in the system 1; measuring the time interval for the pressure wave to travel over a distance in th...
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WO/2017/039458A1 |
A method of monitoring the state of a choke valve 12 in a managed pressure drilling system 1 using a valve state parameter to represent the state of the choke valve 12, the method comprising: measuring the flow rate of a material across ...
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WO/2017/040500A1 |
The performance of oil/and or gas well drilling equipment is measured by: - input and output performance sensor assemblies that monitor associated equipment input and output performance characteristics; and - alerting an operator if ther...
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WO/2017/039650A1 |
A system can include an upper completion string including an outer mandrel and an inner mandrel positioned coaxially within the outer mandrel. The upper completion string can include a first pressure sensor in communication with a first ...
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WO/2017/039660A1 |
Example implementations described herein create a rich feature set based on observed/recorded attributes as well as attributes derived from those, and models each well as a data vector in this multi-dimensional attribute space. Example i...
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WO/2017/034588A1 |
A system usable in a wellbore can include a processing device and a memory device in which instructions executable by the processing device are stored for causing the processing device to: generate multiple predicted values of a first pa...
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WO/2017/034587A1 |
A system for use in a wellbore can include a computing device including a processing device and a memory device that stores instructions executable by the processing device. The instructions can cause the processing device to generate a ...
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WO/2017/035041A1 |
A method includes receiving a plurality of signals from a plurality of sensors into a programmable logic controller, the plurality of sensors provided on at least one component of a rotating control device assembly of a drilling system, ...
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WO/2017/034586A1 |
A system for use in a wellbore can include a computing device that includes a processing device and a memory device that stores instructions executable by the processing device. The instructions can cause the processing device to generat...
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WO/2017/030575A1 |
Methods to accurately plan and optimize clamped source excitation in ranging or telemetry operations approximate a well having a complex pipe structure as a simple solid pipe ("effective model") with an effective pipe cross-section and r...
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WO/2017/031441A1 |
A top drive system for use with a tool (102) for handling tubulars on a drilling rig includes a motor unit (100); a coupling unit (108, 11) that transfers torque to the tool; a torque measurement device (TMD) coupled to at least one of t...
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