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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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WO/2023/121672A1 |
Systems and methods for completion design are disclosed. Wellsite data is acquired for one or more existing production wells. The wellsite data is transformed into model data sets for training a first machine learning (ML) model to predi...
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WO/2023/116024A1 |
An anti-corrosion material and anti-corrosion method for submerged floating tunnel pipe section concrete. The anti-corrosion material comprises: a base-layer material, a middle-layer material and a surface-layer material, the base-layer ...
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WO/2023/115663A1 |
An oil extraction system, a blowout prevention device and an oil extraction method. The oil extraction system comprises an oil extraction pump (100), a connecting device (200) and a central pipe (300), wherein the connecting device (200)...
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WO/2023/121719A1 |
A method may include: circulating a drilling fluid in a wellbore, wherein the drilling fluid includes: an aqueous phase; and a reclaimed carbon black additive; and drilling into a subterranean formation to extend the wellbore while the d...
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WO/2023/121683A1 |
A method comprises conveying a downhole tool in a production tubing within a casing that is around a wall of a wellbore formed in a subsurface formation, wherein cement is placed in an annulus defined between the casing and the wall of t...
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WO/2023/116103A1 |
An automatic cutting method with reduced sensors and no teaching for a shearer in an intelligent fully-mechanized mining face, comprising: initializing an automatic cutting parameter configuration data table according to three-dimensiona...
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WO/2023/121679A1 |
Downhole cutting tool positioning assemblies and methods to cut a tubular are presented. The assembly includes a drive screw, a drive nut coupled to the drive screw and configured to shift from a first position to a second position as th...
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WO/2023/122233A1 |
Methods and systems for mitigating vibration in drill strings include performing a drilling operation using a disintegrating tool, obtaining a first load measurement of a first load during the drilling operation using a first load sensor...
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WO/2023/121930A1 |
Systems and methods for regulating head tension in a wireline system are described herein. A head tension control system may determine a head tension based on a speed of the tool driving equipment and a cable speed of the cable as a func...
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WO/2023/122073A1 |
An alignment device for measuring orientation of a drill rig having a chuck is disclosed. The device can comprise a tubular housing having a cylindrical outer surface and defining an inner bore. The tubular housing can be configured to b...
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WO/2023/119002A1 |
A pressure isolation assembly can include multiple pressure isolation modules arranged in series and isolating a pressure actuated downhole tool from a downhole fluid pressure. Each of the modules may be configured to open in response to...
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WO/2023/122482A1 |
A well construction system having well construction equipment operable to perform well construction operations to drill a well, power equipment operable to supply electrical power to the well construction equipment via an electrical powe...
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WO/2023/122479A1 |
Systems and methods for managing power at a wellsite. A system includes well construction equipment, power equipment, a power manager, power equipment sensors operable to output power equipment sensor data indicative of operational statu...
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WO/2023/121641A1 |
Systems and methods for machine learning (ML) assisted parameter matching are disclosed. Wellsite data is acquired for one or more existing production wells in a hydrocarbon producing field. The wellsite data is transformed into one or m...
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WO/2023/120758A1 |
The present invention relates to a blasting device for concurrently registering multiple detonators on the basis of blasting pattern information and a method using same, the device including: a blasting pattern information input unit for...
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WO/2023/121472A1 |
A method of identifying a location of gas breakthrough within a completed production well comprises: obtaining production composition data and/or tracer data from the production well; analysing the production composition data and/or trac...
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WO/2023/122176A1 |
Methods and systems for determining a drilling-induced rock damage map (500) are disclosed. The method includes obtaining a sonic dataset (300), including sonic waveforms (301) recorded at a plurality of source-receiver separations (210)...
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WO/2023/121474A1 |
A tool (1) comprises a body (40) having a through-going opening (9) and one or more elongate flexible elements (12, 22). The tool comprises a movable element (30) with an associated drive unit (6) and at least one control unit (11, 21). ...
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WO/2023/122539A1 |
A method for manufacturing a motor lead cable includes the steps of forming one or more motor leads and placing external armor around the one or motor leads. The step of forming each of the one or more motor leads includes providing an i...
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WO/2023/122372A1 |
Apparatus and methods are described for drilling deep boreholes with millimeter-wave radiation in earthen materials to access deep resources such as geothermal heat. Borehole depth and temperature at the bottom of the borehole can be mon...
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WO/2023/121892A1 |
A system includes a reciprocating expander including: a piston disposed in a chamber; a crankshaft; a connector rod coupled between the piston and the crankshaft and configured to transfer torque to the crankshaft in response to movement...
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WO/2023/115811A1 |
A method, apparatus and device for monitoring a multi-scale fracture of a hard rock by using multi-band acoustic signals, and a storage medium. The method comprises: collecting, in real time, acoustic signals of three bands, i.e. an acou...
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WO/2023/122435A1 |
Defluidizing tanks may include a tank having an interior defined by side walls and a bottom; a filter assembly emplaced within the interior of the tank and constructed to receive a slurry of solids and recovered fluid; and a weir chamber...
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WO/2023/121895A1 |
A section mill including a housing, a cutter pivotally connected to the housing, a drive piston operably connected to the cutter to radially expand or retract the cutter depending upon longitudinal position of the drive piston relative t...
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WO/2023/115151A1 |
A measurement device (MD) for measuring depth within a borehole comprising a sensing component including, at least, a plurality of accelerometers configured to generate accelerometer data as the MD moves through the borehole. The MD furt...
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WO/2023/121952A1 |
A method for underground mining in a rock body include drilling one or more service boreholes from at least one surface location into a subsurface rock body. A plurality of multilateral blast holes is drilled, branching from at least one...
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WO/2023/121678A1 |
Techniques of the present disclosure relate to downhole perforation operations using fluid containing hollow spheres. A method comprising: disposing a perforating apparatus in a volume of hollow particles in a wellbore; and detonating th...
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WO/2023/122208A1 |
A method for performing a polymer flood of a hydrocarbon-bearing, subterranean reservoir (5) includes (a) injecting a polymer solution from an injection well (32) into the subterranean reservoir to form a polymer slug (44) in the subterr...
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WO/2023/120759A1 |
The present invention relates to a device and method for searching for an unregistered detonator in a detonator list and confirming the ID thereof. The device, included in control equipment, for searching for an unregistered detonator in...
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WO/2023/121739A1 |
Methods and compositions comprising nanoparticle additives for use in drilling and treatment fluid compositions are provided. In some embodiments the present disclosure includes providing a treatment fluid including an aqueous base fluid...
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WO/2023/121910A1 |
A dual tubing locating adapter ("DLTA") for use with a mule shoe. The DLTA may include a housing, a primary tubing string, a lateral tubing string, and a retention mechanism. The primary tubing string may be positioned at least partially...
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WO/2023/119491A1 |
This recovery method for crude oil includes: a stratum improvement fluid injection step for injecting, through an injection well into a stratum that includes crude oil between the injection well and a production well, a stratum reforming...
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WO/2023/121648A1 |
A solids-control fluid for controlling flow of solids in a subterranean formation is disclosed herein. The solids-control fluid can include a diluent and a curable resin. The diluent can include a mutual solvent and an ethylene glycol. T...
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WO/2023/120761A1 |
The present invention relates to an apparatus and method for controlling blasting of a detonator on the basis of a danger radius, the apparatus comprising: a danger radius setting unit which sets a danger radius for a detonator or a comm...
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