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WO/2023/140969A1 |
A tandem sub, used to connect one or more perforating gun assemblies, comprising: a first rotational bearing mechanism located at a first end, wherein the first rotational bearing mechanism is adapted to engage with a first charge tube i...
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WO/2023/141187A1 |
A magnetic switching arrangement including a first contact, a second contact, at least one of the first and second contacts including a magnetically responsive material, a biaser operably connected to one of the first and second contacts...
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WO/2023/140871A1 |
Systems and methods of controlling drilling operations including Sliding With Indexing For Toolface (SWIFT) and Variable Weight Drilling (VWD) techniques. The methods and systems may include systems and devices for controlling the drilli...
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WO/2023/139135A1 |
The present invention relates to a threaded pipe connection. A threaded pipe connection comprising a tubular coupling with first and second female threaded zones formed in opposing sections; and first and second pipes, each comprising a ...
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WO/2023/141350A1 |
Systems and method for nuclear magnetic resonance (NMR) well logging use an inversion pulse sequence with a Carr-Purcell-Meiboom-Gill (CPMG) pulse sequence to improve spin magnetization calculations. Improved Bloch equation-based calcula...
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WO/2023/140844A1 |
The disclosure presents processes that utilize collected resistivity data, for example, from an ultra-deep resistivity tool located downhole a borehole. In some aspects, each slice of resistivity data can generate multiple distribution c...
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WO/2023/141311A1 |
A technique facilitates improved actuation and use of packers disposed along a well string and placed in a borehole, e.g. a wellbore. A plurality of packers may be disposed along a base pipe, e.g. a production tubing. Each packer has an ...
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WO/2023/138033A1 |
A short-bench construction method for a weak surrounding rock section of a super-large-section tunnel, comprising the following steps: S1: excavating for a top arc-shaped guide pit (1); S2: excavating left and right for middle benches on...
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WO/2023/139401A1 |
The process comprises: - defining, a primary transmissivity graph of ceils (18) of the geocellular model (16), the cells (18) forming nodes (60A, GOB) of the primary transmissivity graph, each edge between cells (18) having a transmissiv...
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WO/2023/134951A1 |
The present invention relates to an electrical lead-through (10) comprising a main body (12) having at least one through-opening (13), wherein at least one electrical conductor (18) is arranged in the through-opening (13) and is fixed in...
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WO/2023/135245A1 |
A drill-bit tip plate (40) with a first and a second apex (45,46) distanced from an axis of rotation (X) and having inner and outer cutting edges (42,43,65,66) with the first-and second apex (45,46) being distanced from the broad sides (...
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WO/2023/137176A1 |
An apparatus for building expanded shaft augured foundation elements, comprising: a dual-section drilling augur having a lower section and an upper section, wherein the lower section and the upper section are configured to rotate relativ...
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WO/2023/137338A1 |
An integrated drilling system includes a rotary steerable control unit and an electromagnetic LWD control unit deployed in an external collar. The rotary steerable control unit is deployed below the electromagnetic LWD control unit and i...
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WO/2023/137329A1 |
Methods of forming a cutting element include leaching a diamond table of the cutting element and subsequent to leaching the diamond table of the cutting element, forming a chamfer on the diamond table of the cutting element at an interfa...
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WO/2023/134375A1 |
Disclosed is a large-span false roof structure of a downward horizontal approach filling method, the structure comprising a cemented filling body, a prefabricated framework, and fixing anchor rods (4), wherein the prefabricated framework...
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WO/2023/136917A1 |
This disclosure relates to membrane-based systems for transporting dissolved gases to a formation and methods for increasing a mass transfer rate of gases in a formation. The membrane-based system may include an aqueous injection well (1...
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WO/2023/136919A1 |
A sliding object positioned on a breakable stem, wherein slips are configured to be engaged, followed by the breakable stem breaking, performing a fracturing procedure above the object, and sliding the object on the stem based on flow ba...
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WO/2023/136842A1 |
A downhole packer system includes a swellable material configured to expand to seal against a wellbore wall in response to exposure to downhole fluids. The downhole packer system also includes at least one sensor disposed proximate the s...
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WO/2023/136732A1 |
The disclosure relates to a method for connecting a subsea well to a subsea pipeline (2). The method comprises providing a subsea pipeline (2) comprising at least one connection station (6), the connection station (6) comprising connecti...
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WO/2023/134336A1 |
A coal-based solid waste transporting and filling integrated machine mining system, comprising a filling hydraulic support (6) and a coal mining machine (7). The filling hydraulic support (6) comprises a hydraulic top plate and a base (6...
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WO/2023/136807A1 |
Fluid holdups within a downhole sampling tool are identified by comparing high- and low-resolution measurements of fluid samples.
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WO/2023/136939A1 |
A method includes imaging, at an imaging resolution, a core of a subsurface formation to create a core image and iteratively performing the following operations until a defined feature of a rock of the subsurface formation exceeds a view...
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WO/2023/133948A1 |
A concrete-spraying system for underground construction of an ultra-deep vertical shaft. The concrete-spraying system comprises a batching machine (1), a mortar-spraying machine (2), a concrete-sliding tube (4), a hose (5) and a concrete...
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WO/2023/137109A1 |
Systems and methods include a computer-implemented method for determining normalized apparent power. Drilling acoustic signals corresponding to a time domain and generated during drilling of a well. A fast Fourier transformation (FFT) is...
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WO/2023/136839A1 |
A positive displacement motor (PDM) is provided comprising an outer housing, a thermoplastic stator and a rotor. The PDM may additionally include a mechanism that allows the stator to be removable from the PDM when the PDM is not in oper...
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WO/2023/135581A1 |
An infrastructure (100) comprising a first (10) and a second (20) tunnel, a first part (1) and a second (2) carriageway, a first (3), a second (4) and a third (5) connection between the carriageways (1, 2) and at least a road safety barr...
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WO/2023/136824A1 |
Provided is a communications sub. The communications sub, in one aspect, includes a fluid chamber, and a pressure-activated indexing device positioned within the fluid chamber, the pressure-activated indexing device including a lock mand...
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WO/2023/136766A1 |
A method for assisting in evaluating network performance in a mining environment is provided. The mining environment is arranged with a set of radio access points for providing a network connection to a wireless device in a mining vehicl...
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WO/2023/133611A1 |
An apparatus for clearing solids from a well including a housing with a jet pump, for positioning in a production string of the well, a tailpipe string carrying an elongate body to project out of a downhole end of the production string, ...
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WO/2023/136889A1 |
A method for identifying zones in an annulus with poor cementing that may include deploying a fiber optic cable within the wellbore, creating a temperature gradient in the wellbore, and collecting temperature data over a period of time a...
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WO/2023/137480A1 |
A method can include implementing a control scheme for a plurality of wells; using the control scheme, classifying each of the wells; based on the classifying, identifying one or more of the wells as experiencing liquid loading; and issu...
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WO/2023/136856A1 |
A method can include, receiving by a computational device at a wellsite, real-time, time series data from pump equipment at the wellsite, where the wellsite includes a wellbore in contact with a fluid reservoir; using the computational d...
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WO/2023/131683A1 |
The present invention relates to a downhole expandable metal tubular to be expanded in a well from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole, the downhole expandable metal tub...
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WO/2023/132975A1 |
Light from a light source that has interacted with a sample of downhole fluid provided in a downhole optical tool is sequentially passed through a plurality of groups of light filters, each of the groups of light filters including of one...
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WO/2023/131563A1 |
Stabbing guide device (30) for a steel tube (10) designed to be secured on a portion (12) of said tube (1) used in a tubular column for oil and gas, energy, or storage applications, said device (30) comprising: - a substantially cylindri...
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WO/2023/131813A1 |
As a vital ventilation channel of a long highway tunnel, the shaft channel plays a vital role in regulating air pressure, ventilation and disaster prevention and rescue. Although there are relatively mature technologies in mining and hyd...
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WO/2023/133099A1 |
A system includes a foundation with a post mounted on the foundation top surface and a pipe module configured to couple to the foundation. The pipe module has a yoke to cooperate with the post to engage the pipe module with the foundatio...
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WO/2023/132923A1 |
An object release device including a housing defining a longitudinally extending through bore and an object bore intersecting the through bore and a supply bore intersecting the object bore, an object shuttle disposed in the supply bore,...
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WO/2023/132848A1 |
A perforating gun is disclosed with shaped charges at a preferential orientation. An example includes a gun body and a charge carrier disposed within the gun body. The charge carrier defines a longitudinal carrier axis and has a pluralit...
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WO/2023/131359A1 |
A method utilizing drilling and gel injection to test the fracture development characteristics of hanging wall and footwall strata, the method comprising the following steps: (1) selecting a suitable drilling position in a downhole tunne...
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WO/2023/132844A1 |
A system for an adjustably flexible downhole tool includes first and second connector ends each configured to connect to adjacent downhole tools and a shaft extending between the first and second connector ends. The shaft is configured t...
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WO/2023/132434A1 |
The present invention relates to: an under-reaming apparatus which can enlarge a diameter by hitting the side of a bottom portion of a borehole in the bored ground by using pneumatic or hydraulic fluid pressure, and particularly prevent ...
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WO/2023/131808A1 |
The present invention relates to a method for subterranean CO2 storage the method comprising: collecting gas from a subterranean source reservoir (102, 202, 302), injecting the collected gas into a subterranean receiving reservoir (102, ...
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WO/2023/130724A1 |
A method and apparatus for processing an operation state of a high-pressure manifold. The method comprises: determining a connection diagram of the high-pressure manifold, wherein the connection diagram is a wiring diagram composed of a ...
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WO/2023/133370A1 |
A sensor having thermal stability at greater than 900°C, including a sensor body comprising an energy harvesting thermal electric generator, a heat sink in thermally conductive contact with the body, and a conductor electrically attache...
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WO/2023/132753A1 |
A method of training a parametric model for describing for one or more production wells a relationship between one or more flow parameters, one or more well parameters and/or an associated status of at least one control point associated ...
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WO/2023/133395A1 |
A survey tool includes a gyroscope and an accelerometer. The gyroscope can include a multi-axis gyroscope, a reciprocating gyroscope, or a combination thereof. The survey tool is independently rotatable relative to an outer housing and c...
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WO/2023/133512A1 |
Systems and methods are presented herein. One method includes: calibrating one or more photographs that depict a plurality of cuttings; identifying one or more individual cuttings of the plurality of cuttings depicted in the one or more ...
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WO/2023/130568A1 |
Disclosed are a pressurizing structure for a drilling rig and a drilling rig. The drilling rig comprises a mast (1), a power head (2) slidably connected to the mast, and a pressurizing structure used for driving the power head. The press...
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WO/2023/132818A1 |
Certain aspects and features relate to a system that includes a well tool configured to transmit an acoustic signal, detect a reflection signal, and transmit data representing the reflection signal. A processor analyzes the data to ident...
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