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Matches 951 - 1,000 out of 150,418

Document Document Title
WO/2020/093410A1
Disclosed by the present invention is a drilling mechanism of a coring drilling rig, comprising a central rod, a fluid channel starting module, an outer barrel, an outer barrel unlocking module, a shunting module and a drill bit, wherein...  
WO/2020/097053A1
A system can include one or more processors; memory; a data interface that receives data; a control interface that transmits control signals for control of pumps of a hydraulic fracturing operation; and one or more components that can in...  
WO/2020/096590A1
The present disclosure provides a fixed-cutter drill bit including a bit body defining a bit rotational axis, a plurality of blades each having an inner end that is radially closer to the bit rotational axis than a remainder of the respe...  
WO/2020/095780A1
This mined object transport vehicle comprises: a vehicle body (10) capable of moving forward and backward; and a cargo platform (20) provided on the vehicle body. The cargo platform (20) comprises: a conveyer that is provided on the vehi...  
WO/2020/096874A1
A percussion side wall core (PSWC) bullet has a central axis, a leading end, and a trailing end axially opposite the leading end. In addition, the bullet includes a first portion extending axially from the leading end of the bullet. Furt...  
WO/2020/093413A1
A control mechanism of a core drilling rig, comprising: a central rod (14) and an outer barrel (23). The central rod (14) passes through, from the rear to the front, the inner cavities of a fluid channel activation module, an outer barre...  
WO/2020/097545A1
Devices for exchanging properties, such as pressure, between at least two fluid streams and related methods may include pistons coupled to a valve stem. The valve stem and valve body may be configured to define a primary seal between the...  
WO/2020/093408A1
A coring drill tool driving structure, comprising a driving motor (7), an outer cylinder (23) and a coring drill tool (8). The driving motor comprises an outer rotor (73) and an inner stator (75), the inner wall of the outer rotor and th...  
WO/2020/097553A1
Devices and systems for exchanging properties between at least two fluid streams and related methods may include a valve device comprising a valve actuator configured to move at variable rates in order to selectively fill and empty at le...  
WO/2020/094730A1
A component (1) of a subsea connector comprises a conductor (2), an electrically insulating layer (3) and an at least partially electrically conductive layer (8). A method of assembling the component comprises providing the insulating la...  
WO/2020/095043A1
A method for use in retrieving casing from a wellbore comprises running a tool string having a casing cutter, a casing anchor and a jarring apparatus into the cased wellbore, operating the casing anchor to anchor the tool string to the c...  
WO/2020/096593A1
Methods for operating a decoupled long stroke pump to pump treatment fluid to a wellbore are provided. The decoupled long stroke pump has relatively long stroke plungers that can be powered by hydraulics, linear electric motors, mechanic...  
WO/2020/096568A1
Apparatus, systems, and methods for reverse circulation cementing a tubular string in a wellbore. One such method includes reverse circulating cement slurry down an annulus defined between the tubular string and the wellbore. During the ...  
WO/2020/097237A1
Methods, systems, devices, and products for hydrocarbon tubular evaluation. Methods comprise conveying the logging tool in the tubular with a carrier; inducing with a transmitter a horizontal shear (SH) wave; identifying higher order SH ...  
WO/2020/096570A1
An apparatus includes a subsurface sensor in a borehole to provide a measurement series, a first processor, and a machine-readable medium having program code. The program code causes the apparatus to obtain the measurement series and gen...  
WO/2020/095040A1
The integration joint assembly includes an integration joint body (10) having a through bore (16), the body being for connection with a riser system. The integration joint assembly permits a tubular work string (50; 54) to pass there thr...  
WO/2020/093412A1
A driving system for a core drilling rig, comprising a driving motor (7). The driving motor (7) comprises an outer rotor (73) and an inner stator (75), and mutually-matched convex ribs (77) are provided on the inner wall of the outer rot...  
WO/2020/097090A1
Apparatus and methods of identifying rock properties in real-time during drilling, are provided. An apparatus includes an acoustic sensor installed in a drilling fluid circulation system of a drilling rig, the acoustic sensor coupled to ...  
WO/2020/097527A1
Pressure exchange devices and related systems may include a valve device configured to selectively place a fluid at a first higher pressure in communication with another fluid at a lower pressure in order to pressurize the another fluid ...  
WO/2020/097427A1
Embodiments of the present disclosure relate generally to a system for simultaneous optimization of fuel energy, site Opex costs, waste heat recovery and the coincidental cleaning and treatment of dirty water. The system can include a wa...  
WO/2020/096750A1
A blade assembly (14000, 14000') includes an adapter board (14002, 14002') including a lower tool bit attachment portion (14004, 14004'), terminating in a lower adapter board free end (14006), the lower adapter board free end (14006) def...  
WO/2020/097196A1
Provided herein is an intervention tool and a method for fracturing multiple lateral wellbores in a well system. The intervention tool, in one aspect, includes a radial outer housing, the radial outer housing forming an interior bore con...  
WO/2020/097180A1
A method of gravel packing an open hole penetrating a subterranean formation includes installing at least one sand control screen disposed about a tubular member into the open hole, circulating a slurry including an expandable gravel and...  
WO/2020/094562A1
A system including an elevator (100) to move a tubular (38), the elevator (100) including two or more remotely operable latches (110-140) that can configure the elevator to handle various tubular diameters. A portion of the latches can b...  
WO/2020/093813A1
A frozen aquifer-based method for underground longwall face coal mining under water-containing condition. Said method considers overburden movement features during mining, comprising: by means of target aquifer spatial position, face min...  
WO/2020/093704A1
Disclosed are a microbial modification filling material and a preparation method, wherein the filling material is mainly composed of a coal gangue structural material and a cementitious material. The coal gangue structural material is ma...  
WO/2020/097286A1
A blowout preventer includes a housing including a longitudinal passage and a pair of ram passages extending from the longitudinal passage, a first ram assembly disposed in a first of the pair of ram passages and including first ram bloc...  
WO/2020/096565A1
The disclosure is directed to a method of utilizing an acoustic sensing cable, such as a fiber optic distributed acoustic sensing (DAS) cable, in a borehole to detect microseismic events and to generate three dimensional fracture plane p...  
WO/2020/095061A1
An apparatus for controlling communication of data in a communications network within a well environment. The apparatus comprises a computer processor configured to undertake a method. The method comprises analysing previously recorded w...  
WO/2020/097489A1
A method of drilling a wellbore may include drilling the wellbore using a wellbore fluid that has rheological property values for 6rpm, 10 minute gel, Yield Point, and/or 10 minute-to-10 second gel ratio that are +/ 20% of the mean value...  
WO/2020/093409A1
Disclosed in the present invention is a drilling control mechanism of a core drilling rig, comprising a tooth drill and a core drilling rig. The core drilling rig is inside the tooth drill and engages with the drill in a sliding manner. ...  
WO/2020/097541A1
Valve and related assemblies, systems, and methods may include a self-cleaning feature that may be configured to at least partially displace material from a portion of the valve. Such valves may be utilized in a pressure exchanger.  
WO/2020/093411A1
A drilling fluid channel structure of a core drilling rig, comprising: a fluid channel activation module, a pressure relief module, a flow diverging and blocking module, a driving fluid channel (41) and a cooling fluid channel (42). The ...  
WO/2020/093590A1
The present invention relates to the design field of tunnel construction equipment, and provides a full-section tunnel boring machine cutter replacing system, comprising a cutter replacing robot mechanism, a full-section tunnel boring ma...  
WO/2020/096571A1
An apparatus includes a subsurface sensor for use in a borehole to provide a subsurface measurement series, a subsurface processor to receive the subsurface measurement series, and a machine-readable medium. The machine-readable medium h...  
WO/2020/093703A1
Provided is a monitoring system for bearing compression rate of filling body (5) in coal mine goaf and a monitoring method thereof, according to the position of the buried depth of a goaf filling body (5), a ground information processing...  
WO/2020/096578A1
A system and method comprising utilizing numerical analysis to determine the dependability of plug formulations and locations in wells. The plugs are typically used for abandonment or kick-off purposes. The system and method rely on defi...  
WO/2020/094566A1
A system including an elevator (100) to move a tubular (38), the elevator (100) including two or more remotely operable latches (110-140) that can configure the elevator to handle various tubular diameters. A portion of the latches can b...  
WO/2020/096572A1
An apparatus includes a processor and a machine-readable medium having program code to cause the apparatus to obtain a first dictionary based on a first training set of signals and determine a first subset of the first training set of si...  
WO/2020/093092A1
An indication means for monitoring a stabilisation apparatus inserted in a rock formation, the indication means comprising a body adapted to provide an indication of the status of the stabilisation apparatus providing support to the rock...  
WO/2020/087183A1
Disclosed herein are feeder pans for use in forming a continuous feeder pan conveyor for transporting a bulk material. The feeder pan comprises a plate defined by a longitudinal nose edge and an opposed longitudinal tail edge and a first...  
WO/2020/092559A1
Systems and methods for drilling a borehole are disclosed. In an embodiment, the system includes a drill bit and a plasma inducing apparatus coupled to the drill bit. The plasma inducing apparatus is configured to generate plasma.  
WO/2020/088052A1
An electromagnetic drive motor (11), comprising a motor stator and a motor rotor (5). A housing (8) of the motor rotor (5) is sleeved on a stator iron core (1) of the motor stator where a stator winding (2) is wrapped. A through hole (10...  
WO/2020/092973A1
The present disclosure generally relates to a tong assembly having position sensors for controlling door opening and closing sequence. The tong assembly includes a back section, an outer door section movably coupled to the back section, ...  
WO/2020/087131A1
A method and system of classifying a geological site such as a drillhole which involves combining the outputs of classifiers assigning strands to sample analyses, wherein the combination can be weighted and constrained by strand sequence...  
WO/2020/092194A1
Threaded connectors for tubular members having metal-to-metal seals are provided. The connectors have 'different shapes for the contact sealing surfaces of the first and second connectors, which may be male and female connectors. In part...  
WO/2020/091742A1
The present disclosure relates generally to wellbore cleanout and, more particularly, to an improved tool used to remove debris from an interior of a tubular string. The tool may comprise a number of combinations of varying subsystems ab...  
WO/2020/092746A1
A method for forming a seal boot includes forming a stack of discrete, non-intertwined layers by layering a sheet of elastomeric material with a fabric; rolling the stack to form a tube; installing the tube within a mold; closing the mol...  
WO/2020/091917A1
An acoustic device deployment system including an acoustic device, a pad disposed upon the acoustic device, a device displacer operatively connected to the acoustic device that during use causes the device to move radially outwardly into...  
WO/2020/087861A1
A coalbed methane horizontal well hole collapse de-stressed mining simulation test method. A coal reservoir is constructed by means of reconstruction of a coal measure strata structure and simulation of a similar material simulation subs...  

Matches 951 - 1,000 out of 150,418