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WO/2023/124814A1 |
A slurry pressure wave signal modulation apparatus and method, which relate to the technical field of petroleum drilling engineering. The apparatus comprises an electric motor (5), a valve plate (3), a main control circuit (23), an elect...
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WO/2023/125515A1 |
A coring tool (1000), a coring method, and an application thereof. The coring tool (1000) comprises a differential device (200) arranged in a housing (100) and used for selectively transmitting a force, and a rock core catcher device (30...
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WO/2023/129387A1 |
A backup including a gage ring having frustoconical surface and a groove in the frustoconical surface, a segment having a nose engaged with the groove, the segment having an overlap finger and a finger receptor, a wedge ring in contact w...
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WO/2023/129755A1 |
In some embodiments, a method includes emitting, from a transmitter positioned in a wellbore formed in a subsurface formation, a pulse of neutrons into the subsurface formation and detecting gamma ray emissions at a near field and a far ...
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WO/2023/124938A1 |
Disclosed is a perforation detonation analysis method for a test and completion string. The method comprises: creating and executing a detonation analysis task by means of a combined model of a three-dimensional test and completion strin...
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WO/2023/129757A1 |
In some embodiments, a method includes conveying a downhole tool in a tubing, positioned in a casing which forms an annulus between the casing and a wellbore formed in a subsurface formation, the downhole tool having a rotatable transmit...
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WO/2023/129779A1 |
A cutting element includes a substrate and a volume of polycrystalline diamond (PDC) on the substrate. The PDC volume has a front cutting face, a lateral side surface, and a cutting edge between the front cutting face and the lateral sid...
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WO/2023/126451A1 |
A cutting element (1) for a cutting tool has a sensor element, a body of super hard material (12) having a working surface, the sensor element being attached to a portion of the super hard material (12), and one or more conducting wires ...
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WO/2023/124870A1 |
Disclosed are a horizontal well cuttings bed processing method and device. The method comprises: predicting, according to horizontal well drilling engineering information, distribution patterns of cuttings beds in the whole drilling proc...
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WO/2023/126593A1 |
Each motor (8) comprises a cylinder block (13) distinct from the cylinder blocks of the other motors. In the method: the head (2) is driven at a setpoint speed by means only of a first subset (M1, M4, M7) of motors from the set, and subs...
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WO/2023/129337A1 |
The present invention pertains to a method for controlling a shearer in three dimensions, the shearer comprising at least one shearer drum (12) attached to an arm (14) having an adjustable arm height (Z), the method comprising the steps ...
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WO/2023/129187A1 |
Pressure-activated valve assemblies and methods to remotely activate a valve are disclosed. A pressure-activated valve assembly includes a valve, a latch mechanism configured to shift the valve to an open position, and a pressure-activat...
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WO/2023/129780A1 |
A method for performing a subterranean operation that can include operations for controlling, via an individual driller, execution of at least a portion of a digital rig plan that is an implementation of a digital well plan on a rig; det...
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WO/2023/128844A1 |
A down-the-hole, DTH, hammer (1) configured for operation under the influence of motive fluid, the DTH hammer comprising: a housing (80) extending between a first end (81) and a second end (82) along a longitudinal axis of the DTH hammer...
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WO/2023/129163A1 |
Pad force is one of the major parameters in some drilling systems, such as a RSS, that affect steering decisions during drilling. The disclosure recognizes that the pad force can change during drilling due to, for example, unintentional ...
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WO/2023/123977A1 |
The present invention provides crude oil pseudocomponents, an acquisition method thereof, and an air injection reservoir development determination method based on crude oil component analysis. A first crude oil pseudocomponent is formed ...
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WO/2023/124754A1 |
Disclosed is a non-welding repair method for coiled tubing. Coiled tubing comprises a first tubing section (1) and a second tubing section (2). The non-welding repair method for coiled tubing comprises: S1, arranging a first connecting p...
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WO/2023/126893A1 |
The present invention relates to a method and apparatus for determining the profile of the injection flow rate in wells by measuring temperature using an optical fibre cable with an optical sensor connected to a distributed temperature m...
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WO/2023/128843A1 |
A check valve (10) for use with a down-the-hole, DTH, hammer (1) to control flow of a motive fluid, said check valve comprising: at least one through-going first internal passage defining a first flow path for the motive fluid; and at le...
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WO/2023/123132A1 |
A process for reducing the interfacial tension between a hydrocarbon fluid and a surfactant mixture during chemical enhanced oil recovery includes introducing a surfactant mixture solution comprising an anionic surfactant, a cationic sur...
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WO/2023/129327A1 |
Methods and systems for determining caving volume estimations based on logging data and geomechanical models are provided. For example, a system can receive image log data measured during a drilling operation in a wellbore. The system ca...
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WO/2023/129768A1 |
Systems and methods are provided for utilization in gas recovery conversion to truncate greenhouse emissions that result from gas flaring and venting in production operations. The disclosed stimulates responsible production versus unremi...
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WO/2023/128785A1 |
A method for monitoring solids content during drilling operations may include collecting real-time cuttings image data at a surface outlet of a natural resource well, determining cuttings characteristics data based on the real-time cutti...
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WO/2023/123969A1 |
Provided is a method for determining an oxidation leading edge in medium-temperature-gas steam drive oil recovery, the method comprising: utilizing a marker method wherein a marker is aldehyde ketone ether; detecting the concentration of...
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WO/2023/129798A1 |
Systems and methods for analyzing equipment used in subterranean operations include capturing one or more first images of equipment via an imagine sensor at a first time, capturing one or more second images of the equipment via the imagi...
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WO/2023/129130A1 |
Systems and methods for cold-spraying coatings on rotors in motor assemblies for improving reliability of motor assembly use downhole in wellbores is provided. For example, a motor assembly can include a stator positioned downhole in a w...
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WO/2023/123661A1 |
A drill rod pulling device, comprising a pipe pulling base (1) and a pipe pulling fork (2), wherein the pipe pulling fork comprises a handle (21); two sides of one end of the handle are each provided with a fork rod (23), and the other e...
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WO/2023/129796A1 |
The present invention pertains to a method for determining a 3D position of a longwall shearer (100) traveling on a panline (200) along a longwall face (2) of an underground coal mining panel (4), the method comprising the steps of retri...
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WO/2023/129150A1 |
Systems and methods are provided for a wet-mate connector assembly that can include a stiffening material and a dielectric grease retainer for preventing the extrusion of dielectric grease during a wet connect. The wet-mate connector ass...
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WO/2023/129389A1 |
An arrangement for a buoyant liner or casing string including a shoe plug affixed to the string and configured to hold a pressure differential from a higher pressure outside of the string to a lower pressure inside of the string and to u...
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WO/2023/129156A1 |
Current disclosure proposes calibration methodology that uses the knowledge learned from historical data and real-time data to update a simplified physics-based borehole propagation model for real time steering control of a directional d...
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WO/2023/129572A1 |
A piston actuated drilling tool (10) includes a casing (12) and a guide sleeve (18) disposed within the casing in proximity to the top end of the casing. A piston (20) is slidably disposed within the casing for reciprocating movement the...
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WO/2023/130011A1 |
A method can include instantiating a computational framework responsive to authentication of a credential of an entity; via the computational framework, accessing secure data registered on a blockchain ledger pursuant to a permission con...
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WO/2023/122826A1 |
There is provided a valve assembly suitable for use in a high temperature well, such as a geothermal well. The valve assembly comprises a tubular housing having ports to allow fluid communication between a fluid passageway in the valve a...
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WO/2023/129268A1 |
A downhole pump for a reciprocating system includes a barrel and a plunger. The barrel couples to a tubing string and has a standing valve. The plunger couples to a rod string and has a traveling valve. Either valve can include a housing...
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WO/2023/122829A1 |
Provided are cutter tools for cutting a tubular. The cutters tool comprise: a) a housing operable to be inserted into the tubular; b) a shaft operably moveable within the housing, the shaft having an operating end and a guide end; and c)...
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WO/2023/129794A1 |
A method for managing a power system is provided and can include energizing an alternating current (AC) bus via one or more generators, rectifying energy from the AC bus to power a direct current (DC) bus, powering one or more loads elec...
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WO/2023/124914A1 |
An earthquake physical simulation experiment apparatus, comprising a closed chamber (10) used for accommodating a reservoir model (2) and filling a fluid, an ultrasonic detection apparatus (3) used for detecting the reservoir model (2), ...
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WO/2023/128839A1 |
The invention relates to the recovery of oil, gas and condensate. A method for treating a well for the recovery of oil, gas and condensate includes feeding supercritical carbon dioxide fluid into the well and switching the well from oper...
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WO/2023/130074A1 |
A method can include embedding a discontinuity as an object in a three- dimensional hexahedral grid that includes hexahedral cells and represents a geologic environment; cutting a number of the hexahedral cells by intersecting the object...
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WO/2023/130111A1 |
Methods for forming a polycrystalline diamond compact (PDC) drill bit from catalyst-free synthesized polycrystalline diamonds are described. The polycrystalline diamonds are deposited within a mold. In some cases, a matrix body material ...
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WO/2023/129388A1 |
A casing/liner string buoyancy arrangement including a casing/liner string, and a material defining a volume disposed within the string, the material excluding downhole fluids from the volume, the volume being of a lower specific gravity...
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WO/2023/129756A1 |
A model is used to generate corrections to mitigate ideal condition artifacts in acoustic property values of an annular material in a cased wellbore. A mathematical model that generates acoustic property values at ideal conditions introd...
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WO/2023/126859A1 |
A jaw assembly for gripping tubular goods in a power tong. The jaw assembly has at least three (3) jaw members: a first primary jaw member, a second primary jaw member, and at least one intermediate jaw member disposed between the first ...
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WO/2023/126642A1 |
The present invention relates inter alia to a method (10) for operating wells (3, 5) of an oilfield (1). The method comprises the following steps of selecting a group 2 of wells of an oilfield; defining a production target rate for the g...
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WO/2023/121677A1 |
Piston-less downhole tools and piston-less pressure compensation tools are presented. The piston-less downhole tool includes a first chamber comprising a first fluid, the first fluid being a fluid that thermally expands in response to an...
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WO/2023/117745A1 |
The present invention relates to a method of making a diamond composite wherein a diamond green body is together with an infiltrant is placed onto a graphite crucible and wherein the graphite crucible is placed onto a carbon source such ...
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WO/2023/121512A1 |
The group of inventions relates to the oil production industry, and more particularly to downhole equipment, and even more particularly to downhole electric valves for carrying out killing, completion, flushing and hydraulic fracturing o...
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WO/2023/115218A1 |
An apparatus and method are provided for draining substances from tubing disposed in a wellbore with a downhole pump, the apparatus including a drain valve that operates to drain the tubing into the wellbore and still enable tools to pas...
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WO/2023/118580A1 |
A method and apparatus for characterizing reservoir properties when producing formation fluids from a subsurface formation by releasing material(s) with distinct signature(s) into the formation fluids, allowing said material to flow thro...
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