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Matches 1 - 50 out of 154,194

Document Document Title
WO/2021/180689A1
The present application relates to a method and a system for the long-term management of the tailings generated during bauxite mining. Bauxite ores are often found under a shallow (normally less than 15 meters) layer of soil (called over...  
WO/2021/181145A1
An example CO2 monitoring systems is configured for monitoring levels of CO2 in a wellbore. A CO2 monitoring system may include one or more laser monitoring tools. A laser monitoring tool may include an optical element to output a laser ...  
WO/2021/179097A1
The automated system for the addition and extraction of pipes in drilling rigs by means of magnetic and/or electromagnetic force is an attachment that enables a continued addition and extraction of drill pipes, from the addition of the f...  
WO/2021/183802A1
The invention relates to the checking of pressure in various void or cavities of a wellhead or Xmas tree of an active hydrocarbon well. Pressure sensing plugs (51) are provided at various points in the wellhead/Xmas tree (50). Each plug ...  
WO/2021/182964A1
The invention relates to an underwater-based, depth-compensable accumulator system which is adapted to produce hydraulic power for underwater operations, and which consists of one or more gas-free accumulator units. An accumulator unit a...  
WO/2021/183985A1
Examples described herein provide a computer-implemented method for performing automated geosteering. The method includes receiving, by a processing system, formation evaluation data from a bottom hole assembly disposed in a wellbore. Th...  
WO/2021/181146A1
A system including a moveable platform (100) having an uphole end and a downhole end. The platform (100) includes a drive arrangement (110) for moving the platform in one or more directions along an interior wall (11) of a casing string ...  
WO/2021/179334A1
An integrated test method for combined fracturing, pressure relief and drainage of multiple coal seams, comprising: preparing a composite coal rock sample (3), and placing a sand rock sample between two raw coal samples to form a composi...  
WO/2021/181004A1
A drilling unit comprises a drilling machine having a frame, a boom (14) attached to the frame pivotally about an axle (12), and a rotating unit (16) for rotating a drill pipe (18). The rotating unit is attached to the boom so that it is...  
WO/2021/183546A1
Embodiments provide techniques for using data from a select set of wells to develop correlations between surface-measured properties, downhole coring parameters, and properties typically determined from subsurface measurements (e.g., fro...  
WO/2021/183157A1
A method including obtaining dielectric log data regarding a geological region of interest (210). The method further includes generating sponge core data of the geological region of interest using a neural network model and the dielectri...  
WO/2021/183165A1
A wellbore drilling system can generate a machine-learning model trained using historic drilling operation data for monitoring for a lost circulation event. Real-time data for a drilling operation can be received and the machine-learning...  
WO/2021/184036A1
A wheel assembly and a method for detachably connecting the wheel assembly to a downhole tool to reduce friction between the downhole tool and a sidewall of a wellbore through which the downhole tool is conveyed. The wheel assembly may i...  
WO/2021/183565A1
Surfactants for use in formulations and processes suitable for hydrocarbon recovery. These formulations, include formulations suitable for fracking, enhancing oil and or gas recovery, and the recovery and/or production of bio-based oils.  
WO/2021/183477A1
A system and method for determining fluid inflow into a wellbore. The system may include a drill string including an earth-boring tool. The drill string may further include a first array of sensors arranged radially about the drill strin...  
WO/2021/183145A1
Described are systems and methods for determining a distance between a hydraulic fracture of a child well to a parent wellbore of a parent well. A distributed accoustic sensor fiber optic cable measures strain measurements along a length...  
WO/2021/183437A1
The method includes absorbing or adsorbing CO2 gas into water to form a CO2 solution gas mixture stream and injecting the CO2 solution gas mixture stream into a wellbore into a gas sequestration medium.  
WO/2021/180800A1
A drill string comprising: an elongate hollow main length section (101); a male spigot portion ( 108) provided at the second end ( 106) having an externally threaded section (107) and a non-threaded shank (109) positioned axially interme...  
WO/2021/181143A1
An example method includes deploying an example system in a vicinity of the lost circulation zone. The example system includes a stop lost-circulation balloon (SLCB) tool. An example SLCB tool includes an inflatable balloon and a tubing ...  
WO/2021/183193A1
A gas extraction system comprising a heater configured to receive a wellbore servicing fluid sample and discharge a heated wellbore servicing fluid sample, wherein the heater comprises an internal heat exchange surface coated with a supe...  
WO/2021/160083A9
Disclosed is a downhole preheating starting method for a super heavy oil reservoir developed by means of dual-horizontal-well SAGD, the method comprising: loading concentric preheating tubular columns into well I and well P, injecting hi...  
WO/2021/183336A1
The present disclosure provides a workflow for modelling EOR flooding operations performed on a reservoir by separating front tracking from the reservoir simulation process, so that the front's position and topology evolves in parallel w...  
WO/2021/179647A1
A long-distance concrete spraying machine, comprising an underframe, a cylinder barrel mechanism (5), a rotor mechanism (7) and a hydraulic system, wherein the cylinder barrel mechanism (5) comprises an upper cylinder barrel part and a l...  
WO/2021/179092A1
Apparatus for measuring the profile of a wellbore includes a cylindrical body having first and second ends threaded for connection in line with a drill string. A passage extends through the body between the first and second ends. A plura...  
WO/2021/179507A1
A method for treating tunnel collapse by using a pavilion-type support, which relates to the technical fields of tunnels and underground engineering. The method is suitable for the situation in which a collapsed cavity is relatively stab...  
WO/2021/181148A1
An example laser tool (30) is configured to operate within a wellbore (4) of a hydrocarbon-bearing rock formation (2). The laser tool (30) includes one or more optical transmission media as part of an optical path originating at a laser ...  
WO/2021/181162A1
A collar assembly (110) that couples the pin end (108) of a first pipe (101) with the box end of a second pipe (104) and provides for a visual inspection of the alignment.  
WO/2021/182968A1
A fluid diverter tool (16), system and method of diverting a fluid flow in a in a well (2), comprising: - a tubular mandrel (48) and a packer element (30) affixed onto an exterior thereof and operable to sealingly engage an inside of a p...  
WO/2021/183379A1
A technique facilitates pressure application downhole by locking a ball in place to prevent it from unseating even if the pressure is bled off. A ball seat is constructed with a locking feature for effectively capturing and retaining the...  
WO/2021/183775A1
The invention relates to a method and system for monitoring strain data on a subsea wellhead and associated tubing especially during a drilling or completion operation when the wellhead is connected via a riser to a drilling rig. The ben...  
WO/2021/180392A1
The invention relates to a ground working device for creating a substantially vertically extending hole in the ground, which hole is provided with a supporting fluid, said ground working device having a main body, a connection device whi...  
WO/2021/179520A1
A tunnel for an ultra-shallow overburden layer, the tunnel comprising a plurality of tunnel units that are sequentially connected end-to-end in the axial direction of the tunnel; each tunnel unit comprises a bottom plate (1), side plates...  
WO/2021/179508A1
A method for treating a tunnel collapse by using a roof-contacted shield plate support, relating to the technical field of tunnel engineering. In the method, a roof-contacted shield plate support is used for construction, and the method ...  
WO/2021/181320A1
The present invention relates to an apparatus for injecting an accelerating fluid into an oil well. Said apparatus comprises a casing which is open at the ends into which a cement flows. Said casing is positioned inside the well forming ...  
WO/2021/180983A1
Rock reinforcement apparatus, in particular to be used in a rocky quarry, preferably in an ornamental natural stone quarry, characterized in that it comprises: a cartridge with longitudinal development and comprising at least one chamber...  
WO/2021/180748A1
The present invention relates to a downhole line separation tool for submerging into a casing in a wellbore, the downhole line separation tool having a first tool end, a second tool end and a tool axis, comprising a tool housing having a...  
WO/2021/183862A1
A polycrystalline composite tool component and associated methods are disclosed. In one example plurality of diamond particles are coated with a conforming catalyst metal coating and a plurality of graphene particles. Various asymmetric ...  
WO/2021/181144A1
An example laser system includes one or more optical transmission media that are part of an optical path originating at a laser generator configured to generate an input laser beam. The example laser system includes an analyzer for recei...  
WO/2021/182972A1
A method for controlling drilling operations, comprising defining (S2) a plurality of operation zones comprising at least one equipment (102, 104 and 106a- 106c) in a drilling operation area (100), determining (S4) the position of at lea...  
WO/2021/181140A1
Rock reinforcement apparatus (1), in particular to be used in a rocky quarry, preferably in an ornamental natural stone quarry, characterized in that it comprises: - a cartridge (2) with longitudinal development and comprising at least o...  
WO/2021/179684A1
Disclosed are an underground gasifier pre-control structure, a gasifier, and a gasification method. The pre-control structure comprises a fire retardant injection system, the fire retardant injection system comprises fire retardant injec...  
WO/2021/181087A1
A method of locating bore-lining tubing, such as a liner (120), in a drilled bore (106) comprises selecting a buoyant material, such as air (138), having a density lower than the density of an ambient fluid, such as well fluid (180, 182)...  
WO/2021/180868A1
The invention relates to a semi-submersible drilling vessel, comprising a deck box structure supported via multiple support columns on one or more pontoons, and a drilling installation. The vessel is provided with a positioning system co...  
WO/2021/183950A1
Techniques for determining a geologic parameter include determining, with an analytical solution, a change to at least one control point of a boundary of a control volume defined in a subterranean formation that is caused by a hydraulic ...  
WO/2021/181881A1
This hydrocarbon recovery method is for recovering a production liquid that contains hydrocarbons from a production well located in ground where microbes of a first type that generate a biofilm and microbes of a second type that generate...  
WO/2021/183528A1
Provided, in one aspect, is a downhole magnetic debris removal apparatus. The downhole magnetic debris removal apparatus, in one aspect, includes a housing having a longitudinal axis, and a plurality of magnets arranged as one or more Ha...  
WO/2021/183670A1
Systems, methods, and devices for controlling the operation of an industrial machine (e.g., a drill) based on a determined attribute of a pipe. A sensor is configured to generate an output signal related to a characteristic of the pipe. ...  
WO/2021/179063A1
A machine and method for making underground excavations in rock, The machine comprises hydraulic percussion hammers which drive drill bits into the rock face to be bored. A hydraulic power unit (HPU) is located on the machine. The HPU po...  
WO/2021/178947A1
Apparatus and methods for automating well construction operations based on detected abnormal events. A method may comprise commencing operation of an equipment controller of a control system for monitoring and controlling a well construc...  
WO/2021/177986A1
A method may include obtaining wellhead temperature data from a wellhead coupled to a wellbore. The method may further include obtaining production data regarding the wellhead. The method may further include obtaining water cut data from...  

Matches 1 - 50 out of 154,194