Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 101 - 150 out of 149,154

Document Document Title
WO/2020/096947A2
A valve assembly that can be deployed in a subterranean well that includes a valve adapted to selectively isolate a region of the subterranean well, and a separating apparatus. The separating apparatus may further include at least one me...  
WO/2020/093414A1
A coring device, comprising a core drilling tool, a core catcher (6), a rock core barrel (1), a drilling machine outer cylinder (16), a flap valve (3) and an inner rod (2) for pulling the rock core barrel (1); the core catcher (6) is pro...  
WO/2020/093269A1
A floating spacing adjustment-type reverse well drilling rig, comprising a base support (1), a telescopic mechanism (2), a drill rod (4), a drill bit (5), and a T-shaped adjustment screw (10). An adjustment structure of a floating spacin...  
WO/2020/096603A1
An apparatus includes a pressure sensor for measuring a pressure in a wellbore of a formation, a processor communicably coupled with the pressure sensor, and a machine-readable medium. The machine-readable medium has program code executa...  
WO/2020/094567A1
A system including an elevator (100) to move a tubular (38), the elevator (100) including two or more remotely operable latches (104) that can configure the elevator (100) to handle various tubular diameters. Each jaw (140a, 140b) can in...  
WO/2020/093415A1
Provided is a core barrel sealing structure capable of increasing a sealing-specific pressure, comprising a core barrel (1), a drilling machine outer barrel (2), a chain mail-type flap valve and a trigger mechanism, wherein the flap valv...  
WO/2020/097563A1
A downhole string 10 and an umbilical harness 18 are combined in a wellbore 12. The umbilical harness 18, which is formed remote from the wellbore 12, includes an umbilical, and umbilical connectors 22 connected to lines in the umbilical...  
WO/2020/093623A1
A self-propelled peeping probe adapted to different diameters of drill holes and a method. The probe comprises a peeping probe body (1), a camera (2), walking wheels (3), rocker arms (4) connected to the walking wheels (3), and an operat...  
WO/2020/096592A1
System and methods for customizing fracturing fluids downhole for real-time optimization of micro-fracturing operations are provided. Downhole operating conditions are monitored during a micro-fracturing operation along a portion of a we...  
WO/2020/093129A1
The present invention relates to a rigid metal pipe with thicker ends (T, T1, T2), to a method and to a system for manufacturing these rigid metal pipes (T, T1, T2) and a submarine riser made from these rigid metal pipes (T, T1, T2) that...  
WO/2020/093270A1
A pressing-type marine threaded drill pipe, comprising a first abutment body (1), a second abutment body (2), a driving snap-fit assembly (3), a pressing ring (4), and pressing elastic bodies (5); the pressing ring (4) is provided betwee...  
WO/2020/093894A1
A pressurized water injection device for a screw pump, comprising an electric motor (4) and a screw pump (16). The electric motor (4) is electrically connected to a controller, and is connected to the screw pump (16) by means of a flexib...  
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...  

Matches 101 - 150 out of 149,154