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Patent Searching and Data


Matches 551 - 600 out of 149,119

Document Document Title
WO/2020/048470A1
An arc-shaped track wall sawing machine. By machining a track into a keel shape, the track is easily curved to a radian attached to an arc-shaped track bed (11), without changing the supporting intensity of the track, and the track is re...  
WO/2020/051095A2
An apparatus for generating pressure variances in a fluid flowing in a downhole tool having a longitudinal axis includes a flow section having an outer wall, a flow control member selectively blocking flow in the flow section, and an act...  
WO/2020/048811A1
The present invention concerns apparatus (1) for obtaining distributed pressure measurements in a wellbore (2), the apparatus (1) comprising:a flexible rod (10; 110) arranged to be disposed in the wellbore (2); and an elongate sensing me...  
WO/2020/047879A1
An intelligent inspection system for a tunnel system comprises: a rail (02) fixedly disposed on an inner surface of a tunnel (01), and used to guide the motion of an intelligent robot (03) and provide power for the intelligent robot (03)...  
WO/2020/051537A2
An embodiment of a system includes a light source, an optical assembly, and an electronic circuit. The light source (e.g., a laser) is configured to generate a source optical signal. The optical assembly is configured to direct the sourc...  
WO/2020/049473A1
The subject of the invention is a jet-system pipe laying procedure, characterized in that during drilling a driving medium containing water or water and air is transported from the driving medium container (5) by the pressure unit (1) in...  
WO/2020/047605A1
The present invention relates to a mining system. The system includes a continuous miner for forming plunge tunnels from a roadway. A flexible conveyor system is coupled to the continuous miner for conveying mined material from the plung...  
WO/2020/051031A1
Provided is a multi-functional well completion apparatus and method of operation thereof that offers the ability, in a single trip and with limited running tool manipulation, to perform a sand control frac or other fluid stimulation oper...  
WO/2020/051589A1
A multistage centrifugal pump has a rotatable shaft, a plurality of pump stages and a thrust module. Each of the plurality of pump stages has an impeller connected to the rotatable shaft and a stationary diffuser. The thrust module has a...  
WO/2020/050821A1
Provided are systems and methods for controlling the fluid flow to and from the flow ports of an autonomous inflow control device (AICD). Features may include the addition of a ball check valve to the AICD. A well system may comprise: a ...  
WO/2020/050956A1
A dissolvable frac plug is disclosed. The dissolvable frac plug has an internal chamber surrounded by an external wall with the chamber containing a dry powder component in an amount sufficient to combine with ground water or other wellb...  
WO/2020/050861A1
A detonator is provided. The detonator may include a deflagration-to-detonation transition tube, a cap, and an ignitor. The deflagration-to-detonation transition tube may include a pressure relief mechanism and a low-density explosive ma...  
WO/2020/048137A1
A method for determining the internal stress of a solid-cut-and-fill material, characterized by comprising the following steps: step 1), acquiring solid-cut-and-fill material stress data, and fitting a stress-strain relationship of the s...  
WO/2020/049304A1
The present invention relates to a process for Downhole Gas to Liquids (DGTL) conversion comprising: introducing a catalyst or precursor for steam reforming (SR) reactions into a hydrocarbon gas-containing zone in a subterranean gas rese...  
WO/2020/048095A1
Disclosed is an internal injection replacement support room type coal pillar recovery method. In the process of room type coal pillar recovery, room type coal pillars (1) with an aspect ratio greater than 0.6 are divided into reserved co...  
WO/2020/050815A1
Certain aspects of the present disclosure relate to precise position determination for the downhole placement and position of the tubing-side portion of a behind-casing measurement system. The position determination can be used to establ...  
WO/2020/046263A1
A device including a sample cell configured to interact a fluid sample with an ion selective substrate to modify an optical characteristic of the ion selective substrate according to an ion concentration of the fluid sample is provided. ...  
WO/2020/042846A1
A drill body, which comprises: a hollow transmission shaft (1); and a hollow drill rod (3) being axially sheathed on the hollow transmission shaft (1) and integrally rotating along with the hollow transmission shaft (1), wherein an upper...  
WO/2020/046295A1
Hardfacing is used to protect wear surfaces of drill bits and other downhole tools. A hardfacing member can be formed by heating a metal matrix material, e.g., via a laser process, injecting a plurality of particles into the heated metal...  
WO/2020/047090A1
A stator assembly for a downhole-type well tool includes a stator housing including an internal chamber, an electric stator, a flow channel in the stator housing, and a heat exchanger. The electrical stator is disposed within the stator ...  
WO/2020/046281A1
A tool brake is provided for use in horizontal wells that is positionable between a setting tool and a setting sleeve in combination with a tool string. Upon activation of the setting tool to set a bridge plug in a well, the normal actio...  
WO/2020/046172A1
The invention relates to devices designed for borehole reaming during casing, more particularly to casing reamer shoes mounted in the conductor guide hole of a string or liner. The casing reamer shoe proposed includes a sub connected by ...  
WO/2020/047366A1
Systems: and methods for decreasing bending stress in flange bolting for a connection between a flange and an adjacent piece of equipment is provided. The flange connection includes a single flange with multiple bolts extending: therethr...  
WO/2020/044322A1
A feeder arrangement (102) for a slurry transport system (100), which is preferably a hydro hoist, includes a chamber with a high pressure water inlet (114), a low pressure water outlet (122), and a low pressure solids inlet (118) at a t...  
WO/2020/046392A1
The disclosure relates generally to the inversion of geophysical and/or logging measurements for formation evaluation and monitoring. The disclosure may be related to methods of deconvolution and/or inversion of piecewise formation prope...  
WO/2020/046700A1
A data seismic sensing system and method for obtaining seismic refraction data and tomography data. The system may comprise a subsurface sensor array, wherein the subsurface sensor array is a fiber optic cable disposed near a wellbore, a...  
WO/2020/047451A1
Methods and systems for evaluating fluids in a hydrocarbon reservoir within heterogeneous formations are disclosed.  
WO/2020/046288A1
Methods of fracturing a subterranean formation containing a hydrocarbon include introducing a first fracturing fluid that includes natural gas into the formation at a rate and pressure sufficient to create a complex fracture in the forma...  
WO/2020/046518A2
A downhole drilling system is disclosed. The downhole drilling system may include an axial-field multi-armature alternator system, mechanically driven by a turbine; a pulse-generating circuit electrically coupled to the axial-field multi...  
WO/2020/043504A1
A percussive drill bit having a head and an axially rearward skirt. A plurality of ribs project radially outward at the skirt and define lengthwise extending channels. The ribs and channels, in the lengthwise direction are curved or angl...  
WO/2020/046931A1
A correlation relationship between a pipeline pumped-in Normal Flow Rate (NFR) value, a pipeline diameter and a pipeline pressure is determined. A matrix including values of pipeline flow rate, pipeline diameters and pipeline pressures i...  
WO/2020/047085A1
A method includes generating a set of sub-images of a subsurface formation based on measurement values acquired by a plurality of sensors corresponding to one or more signals that have propagated through the subsurface formation, wherein...  
WO/2020/046684A1
A method for improving a signal-to-noise ratio of distributed acoustic sensing data may comprise transmitting an acoustic wave from an acoustic source into a subterranean formation, recording a first acoustic noise at a first time interv...  
WO/2020/047562A1
The invention provides an integrated bolt rotating and a grout delivery device for use in a mechanised rock bolting application which includes a bolt rotator (28) which has a shaft (30) with a first end, adapted for engagement to a drill...  
WO/2020/046135A1
A valve (1) for closing fluid communication between a horizontal or deviated well (W) and a production string (PS) when a content of a first or a second undesired fluid in the fluid flow exceeds a pre-determined level, the valve (1) comp...  
WO/2020/042057A1
A tunneling boring machine which prevents mud cakes from forming at an excavation part, comprising a rotary cutterhead (1) mounted at the front end of the tunneling boring machine, wherein a T-shaped plate (2) is fixedly connected to the...  
WO/2020/044013A1
A method of monitoring a fluid is described comprising introducing a luminescent nanoparticle into the fluid; removing a fluid sample from the fluid; adding a reagent to the fluid sample to vary the luminescence behaviour of the luminesc...  
WO/2020/046866A1
A pump assembly (100) includes a power end (109) including an output shaft (118) having an output shaft axis (115). The pump assembly includes a fluid end (60) including a piston (64) configured to reciprocate to pressurize the working f...  
WO/2020/047111A1
Apparatus and methods for running casing into a wellbore. An apparatus may be or include a casing collar configured to couple together a first casing joint and a second casing joint. The casing collar may have a body and a plurality of r...  
WO/2020/016716A3
A pumping system for pumping a medium is described. The system comprises: at least one transverse pressure exchange chamber, but preferably multiple pressure exchange chambers. Each pressure exchange chamber has a valve arrangement at ea...  
WO/2020/022887A3
Marine J-lay pipelaying installation comprising a tower (1) having a firing line, a pipe section loader system (100) adapted to advance a pipe section (9) into a position in the firing line, and an upper workstation (60) mounted on the t...  
WO/2020/043529A1
The invention relates to a wear control device for a milling machine having a milling roller, said device comprising a temperature measuring device and an evaluation device. The temperature measuring device is designed to determine, in a...  
WO/2020/042055A1
A rectangular shield tunneling machine provided with an anti-soil accumulation device, said machine comprising a machine head (5), a connecting body (3) and a machine body (1), wherein the connecting body (3) is fixedly connected with th...  
WO/2020/046886A1
A subsea electronics module (SEM) is disclosed. The SEM includes a first axis and a second axis, the first axis being longer than the second axis. Electronic modules are mounted on at least one movable platform which is aligned to move i...  
WO/2020/047459A1
Waves from cement bond logging with a sonic logging-while-drilling tool (LWD-CBL) are often contaminated with tool waves and may yield biased CBL amplitudes. The disclosed LWD-CBL wave processing corrects the first echo amplitudes of LWD...  
WO/2020/046810A1
A drill string circulation apparatus has a sleeve member with an elongated tubular body and a longitudinal bore, with an outer diameter suitable for being sealingly gripped by a blowout preventer. A drill string has an outer diameter siz...  
WO/2020/043882A1
The invention relates to a method for coating a metal part (P) destined to be subjected to high contact pressures, an external layer of the metal part (P) forming a substrate (S) to be coated, which comprises the steps consisting in a) A...  
WO/2020/046366A1
The subject disclosure provides for a mechanism implemented with neural networks through machine learning to predict wear and relative performance metrics for performing repairs on drill bits in a next repair cycle, which can improve dec...  
WO/2020/044034A1
A coiled tubing system (10) comprises a tubing string (12) including a first tubing portion (28) and a second tubing portion (30), a flow line (42) and a lateral flow passage (44) for directing fluid from the flow line to an exterior of ...  
WO/2020/047543A1
A well system includes a drilling vessel, a concentric drillstring extending from the vessel into a subterranean wellbore disposed beneath a mudline, wherein the concentric drillstring is configured to circulate a drilling fluid from the...  

Matches 551 - 600 out of 149,119