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Matches 51 - 100 out of 142,252

Document Document Title
WO/2018/129498A1
The present system is disclosed for use in securing bits (12) against rotation in a motor grader. The bit securing system (10) has at least two bits (12), and each bit (12) has a respective shank (24). Each shank (24) has a respective lo...  
WO/2018/126311A1
An electrocoagulation unit for removing one or more dissolved constituents from an untreated feedstock comprises a non-electrically conductive housing having a fluid inlet, a fluid outlet and an interior surface; a cathode and anode arra...  
WO/2018/129350A1
A detonator includes a metal casing having a bore defined by an inner surface a electrical circuit. The electrical circuit may include an insulating body at least partially disposed in the bore, a first and a second lead wire at least pa...  
WO/2018/128701A2
A method of operating a Moineau system to substantially eliminate vibrations, the method includes rotating a first rotational member, and rotating a second rotational member. Each of the first rotational member and the second rotational ...  
WO/2018/126395A1
A method of sensing hydrocarbons in a subterranean rock formation (104), including advancing a drilling assembly (100) within the subterranean rock formation (104). The drilling assembly (100) is configured to discharge a first fluid (16...  
WO/2018/126371A1
Provided is a downhole detector, comprising a waterproof outer housing (1); the top of said waterproof outer housing (1) is provided with a suspension ring (2), the waterproof outer housing (1) is internally provided with a circuit chamb...  
WO/2018/129052A1
A drilling bottom hole assembly for loss circulation mitigation includes a drill bit configured to drill a wellbore in a formation. The drill bit is attached to a drill string. The wellbore includes a high-loss circulation zone into whic...  
WO/2018/126386A1
A downhole detector, comprising: a waterproof housing (1), a top portion of the waterproof housing (1) being provided with a lifting ring, while the waterproof housing (1) is provided therein with a circuit cavity (3) and a battery cavit...  
WO/2018/127552A1
An umbilical termination head (1) for connection of a multi-bore flying lead or umbilical (2) to a structure (10), the flying lead or umbilical comprising multiple conduits (7) leading to couplers (4) being arranged on a connector part (...  
WO/2018/126589A1
Disclosed is a method for controlling wind pressure in a subway tunnel pressure relief hole, said method comprising the following steps: S1, a system collecting relevant parameters of a train, the parameters comprising train speed and tr...  
WO/2018/129053A1
Techniques of hydrocarbon production by fluidically isolating vertical regions of formation are described. A subterranean zone entrapping hydrocarbons includes multiple vertically arranged regions. Each region has a respective permeabili...  
WO/2018/128614A1
Disclosed are approaches to dielectric logging, and particularly to the processing of dielectric logging data, that involve the use of a conductivity model for the logging tool and surrounding borehole and formation that includes an anom...  
WO/2018/125090A1
Methods and compositions for mitigating the embedment of proppant into fracture faces in subterranean formations are provided. In some embodiments, the methods comprise: introducing a treatment fluid into a subterranean formation at or a...  
WO/2018/125260A1
A method of treating in a subterranean formation including combining a demulsifier; proppant; an emulsifier; an oil base fluid; and aqueous base fluid to form an oil-external emulsified fluid; and introducing the oil-external emulsified ...  
WO/2018/126148A1
A slip assembly (10) for handling a tubular, such as drill pipe, is disclosed. In one embodiment, the slip assembly (10) includes a slip bowl (12) having slip segments inserted therein. Each of the slip segments (22, 24, 26, 28, 30) incl...  
WO/2018/125095A1
A method for taking measurements in a wellbore including lowering a downhole logging tool in the wellbore; obtaining, via the logging tool, a plurality measurements of a downhole element; processing the plurality of measurements to obtai...  
WO/2018/125056A1
A method of treating a subterranean formation comprising: providing a proppant; coating the proppant with a geopolymer composition to create a coated proppant; injecting a fracturing fluid into the subterranean formation, wherein the fra...  
WO/2018/125613A1
Directional drilling is an extremely important area of technology for the extraction of oil and gas from earthen formations. The technology of the present application relates to improved non-stabilizer guidance positioning members for di...  
WO/2018/120581A1
Disclosed is a flexible tube-assisted delivery device for a radial horizontal well, comprising an oil pipe (10), and a rotating device (20) and two impellers (30) connected to a bottom opening of the oil pipe (10). A top surface of the r...  
WO/2018/121107A1
A mine anti-explosion trapezoidal sealing wall and a construction method therefor, which are suitable for the situation that it's too late to construct a conventional sealing wall when thermodynamic disasters such as an explosion and a f...  
WO/2018/121035A1
A customized method for determining a coal mining face floor water inrush risk level belongs to the field of coal mining safety. The method comprehensively takes account of the following factors: a water pressure at a coal mining face fl...  
WO/2018/125787A1
This disclosure describes various implementations of a downhole-blower system that can be used to boost production in a wellbore. The downhole-blower system includes a blower and an electric machine coupled to the blower that can be depl...  
WO/2018/122546A1
Downhole electrical energy harvesting and communication in systems for well installations having metallic structure carrying electric current, for example CP current. In some instances there is a harvesting module (4) electrically connec...  
WO/2018/125168A1
Systems and methods for subterranean formation testing. A method may include: lowering a formation testing tool into a subterranean formation, wherein the formation testing tool may include memory, a pump, a formation probe, at least two...  
WO/2018/121143A1
A small-diameter Kelly TBM driven by a center shaft, solving the problem that a TBM structure in the prior art does not meet the requirements for the construction of a small-diameter tunnel. The small-diameter Kelly TBM driven by a cente...  
WO/2018/125729A2
A tubing hanger running tool includes an inner annular body, an outer annular body positioned circumferentially about the inner annular body, and an outer sleeve positioned circumferentially about the outer annular body and configured to...  
WO/2018/125616A1
Directional drilling is an extremely important area of technology for the extraction of oil and gas from earthen formations. The technology of the present application relates to improved positioning elements for directional drilling asse...  
WO/2018/125214A1
Described are tools, systems, and methods for dielectric logging using transient waveforms. In some embodiments, one or more microstrip antennas are employed for the measurements. In various embodiments, the waveforms are processed in th...  
WO/2018/125660A1
A method to provide fractures in a formation includes providing a wellbore in the formation and providing a casing in the wellbore. The method also includes providing communication between an inside of the casing and the formation and in...  
WO/2018/125760A1
A method and system are described for hydrocarbon exploration, development and production. The method relates to performing regression and/or classification in subsurface models to support decision making for hydrocarbon operations. The ...  
WO/2018/122544A1
Downhole electrical energy harvesting and communication in systems for well installations having metallic structure carrying electric current, for example CP current. In some instances there is a harvesting module (4) electrically connec...  
WO/2018/125837A1
A running tool assembly for installing a hanger in a wellhead housing includes a first body configured to support the hanger, a second body coupled to the first body, a piston moveable relative to the second body, wherein the piston incl...  
WO/2018/125096A1
A method and system for temporarily preventing fluid flow through a screen assembly installed in a wellbore can include a screen assembly interconnected in a tubing string. Components of the screen assembly can include a base pipe, one o...  
WO/2018/125657A1
A method to provide a fractured formation includes providing an essentially horizontal wellbore in a formation in an upper portion of the formation, and providing fractures in the formation from the wellbore. The fractures are made using...  
WO/2018/126106A1
A method for hydraulically fracturing a subterranean formation includes sending a first command from a controller to a pump to achieve a first target flow rate for a fracturing fluid being injected into a subterranean formation during a ...  
WO/2018/125788A1
This disclosure describes various implementations of a downhole-blower system that can be used to boost production in a wellbore. The downhole-blower system includes a blower and an electric machine coupled to the blower that can be depl...  
WO/2018/122113A1
The present invention relates to a waterproofing system (1) comprising at least two different layers, one layer being a mounting layer (2) and one other layer being a functional layer (3), the two layers being directly or indirectly conn...  
WO/2018/125054A1
A rotary tool for machining a material in a downhole environment, includes a drive train, a lead screw connected to and rotatable by the drive train, a linear block engaged with but not rotatable by the lead screw so as to convert the ro...  
WO/2018/125036A1
The disclosed embodiments include an assembly for anchoring a tool at a subsurface location in a wellbore. The assembly includes a latch coupling having a latch pocket on an internal surface of the latch coupling. Additionally, the assem...  
WO/2018/125666A1
A method to provide a plurality of fractures in a subterranean formation includes providing an essentially horizontal wellbore in the subterranean formation and providing a casing in the essentially horizontal wellbore. The method also i...  
WO/2018/125509A1
A method evaluating borehole subsurface geologies can include receiving a total response signal by a sensor array disposed in a borehole, the response signal represents a pressure wave propagating in the borehole. A secondary signal can ...  
WO/2018/125656A1
A method to provide a fractured subterranean formation includes providing an essentially horizontal wellbore in the subterranean formation and providing fractures in the subterranean formation using a plurality of fracturing fluids. At l...  
WO/2018/125198A1
This disclosure provides a sliding sleeve apparatus that has a flow inhibitor that slows the fluid flow between the interior passageway of the sliding sleeve and the well annulus to allow pressure equalization between the interior passag...  
WO/2018/122558A1
The invention provides a swivel tool for use in a wellbore. The tool comprises a tool body and a mandrel which is axially moveable relative to the tool body. The tool also comprises a lock member moveable between a first condition in whi...  
WO/2018/125728A1
A hanger running tool includes a hanger-contacting segment configured to move radially to engage a corresponding groove formed in a hanger to couple the hanger running tool to the hanger. The tool also includes a piston assembly comprisi...  
WO/2018/121144A1
A cutter head having a freezing function and a tunnel boring machine. The cutter head comprises a disc-shaped cutter head body composed of a plurality of spoke beams and freezing lines (20, 21) provided on the cutter head body. The spoke...  
WO/2018/125167A1
A method and system for processing a slowness profile. A method may comprise disposing a geophone array into a borehole, positioning the geophone array at a first location within the borehole; discharging a seismic source; positioning th...  
WO/2018/119520A1
An active downhole antenna located in a borehole receives electromagnetic (EM) telemetry transmissions from sources in adjacent boreholes. The antenna comprises a processor operable do decode and measure signal to noise ratio of received...  
WO/2018/121046A1
A method for determining the conductivity distribution of acid-fractured fractures of a carbonate rock oil and gas reservoir by experimentation, comprising: simulating, by means of the acid-fracturing simulator, FracproPT, the extension ...  
WO/2018/125353A1
A tubular handling system (100) has a trough (102) with two exterior channels (108, 112) and an interior channel (110) disposed between the two exterior channels. The two exterior channels and the interior channel are disposed along a lo...  

Matches 51 - 100 out of 142,252