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Matches 551 - 600 out of 144,632

Document Document Title
WO/2018/227898A1
Provided are a physical-chemical complex retardant for controlling the spontaneous combustion of low-rank coal, a preparation method therefor, and the use thereof. The complex retardant consists of a chelate and attapulgite, wherein the ...  
WO/2018/231061A1
The present invention relates to Vortex Induced Vibration (VIV) suppression strakes, in particular VIV suppression strakes that are arranged on subsea pipelines. The present invention provides a VIV suppression strake assembly (9, 11), c...  
WO/2018/231248A1
A method for determining casing wear of casing in a wellbore, a computer program product for determining a back-calculated casing wear factor (CWF) value for casing in a wellbore, and a well site controller are provided herein. In one em...  
WO/2018/231902A1
Apparatus and methods regarding a first processing system operable to receive a job plan developed by a second processing system, and implement the job plan, including generating commands for an equipment controller based on the job plan...  
WO/2018/227303A1
A geothermal reservoir induces gasification and water gas shift reactions to generate hydrogen. The hydrogen or protons are produced to surface by using hydrogen-only or proton-only membranes in production wells. Energy from the reservoi...  
WO/2018/231375A1
A safety intervention system comprising a control system in communication with one or more pieces of equipment on a rig or wellsite via an equipment sensor coupled to each piece of equipment or one or more rig sensors located on the rig ...  
WO/2018/231278A1
Systems and methods for detecting a gas kick within a wellbore are provided. The system includes a rotatable tool including one or more acceleration sensors and/or oscillators. The method includes rotating the rotatable tool in contact w...  
WO/2018/232198A1
A method includes acquiring data associated with a field operation of equipment in a geologic environment; filtering the data using a filter where the filter includes, along a dimension, a single maximum positive value that decreases to ...  
WO/2018/229042A1
The invention concerns a method for testing the integrity of a primary barrier (1) arranged in a well (3), wherein the method comprises the following steps; a) arranging a secondary seal (2) above the primary barrier (1) in a position ax...  
WO/2018/231847A1
A method for completing an unconventional subterranean formation include the steps of positioning a perforating tool in a section of the deviated wellbore that intersects the unconventional formation, forming at least one opening in a pr...  
WO/2018/231729A1
A dual gradient drilling system includes a subsea blowout preventer disposed above a wellhead, the subsea blowout preventer having a central lumen configured to provide access to a wellbore, a lower section of a marine riser fluidly conn...  
WO/2018/228889A1
The present invention relates to a communication system (10) for providing communication between a control module (6) having a connection interface (11) with a plurality of connectors (12) releasably connectable to a connection interface...  
WO/2018/228656A1
Roof mesh installation apparatus for a mining machine. A mesh roll is carried at a dispenser at a forward position of the machine capable of unrolling mesh to be laid and bolted at a tunnel roof. A tensioning device positioned at the dis...  
WO/2018/227708A1
A coal mine safety monitoring method, the method comprising: receiving first safety data of a coal mine that is acquired by detecting devices (701) in different regions of the coal mine at a first acquisition frequency, the first safety ...  
WO/2018/231240A1
A drill bit includes a bit body having cutters and a generally cylindrical rolling element secured thereon. The rolling element protrudes from the bit body to engage a geologic formation. The location and orientation of the rolling eleme...  
WO/2018/229020A1
The present invention relates to a downhole patch setting tool (1) for expanding a patch over a distance of more than 10 metres in a well (50), the downhole patch setting tool having a top (51) and comprising a tool body (2) having a bor...  
WO/2018/229754A1
Systems and methods for detecting underground voids, comprising steps of: digging a tunnel to be the detection path; placing fluid dispensing means along the bottom part of the tunnel wherein said dispensing means further equipped with f...  
WO/2018/231118A1
Arrangement (1) for use at rock reinforcement is described herein. The arrangement (1) comprises a pump connected to a mixer (7) through a first line (5), wherein the mixer is adapted to create a mixture comprising at least two component...  
WO/2018/231117A1
Arrangement (1) for use at rock reinforcement is described herein. The arrangement (1) comprises: a mixer unit (3) adapted to carry at least one mixer (5) intended to achieve a mixture of at least two components and to inject the mixture...  
WO/2018/231873A1
A system for fracturing a subterranean formation that includes a supply of a slurry including at least 5% by weight of particles; a pump coupled to the supply of the slurry; a conduit coupled to the pump and extending into the subterrane...  
WO/2018/231969A1
Various implementations described herein are directed to a method for surveying a wellbore. A statistical estimation process that combines magnetic survey measurement data and gyroscopic survey measurement data to form error estimates in...  
WO/2018/231387A1
A drilling equipment tracking system includes a piece of drilling equipment and a traceability tag coupled to the piece of drilling equipment. The traceability tag has a unique identifier. A mobile device is configured to obtain the uniq...  
WO/2018/231701A1
A wellbore tool (100) includes a rotatable elongate pipe (102) that includes a first elongate portion (120) extending along a longitudinal axis (122) of the elongate pipe. A first bending portion(104) with a first end attaches to a downh...  
WO/2018/229496A1
A power source system comprising a plurality of cells. The power source system uses electrical charge or current generated by a reaction in at least one of the cells to provide at least one operating material to at least one other of the...  
WO/2018/229457A1
A wireline sealing assembly adapted to seal a line such as wireline or slickline deployed in an oil or gas well has a body to receive a line and a seal adapted to be actuated into sealing engagement with the line to contain wellbore pres...  
WO/2018/229097A1
Pipe cutting tool (1) comprising a stationary knife (12) fixed in a first plane to a frame (11), and a translatable knife (14) which can be slidably moved along knife translation paths (1 13) arranged in a second plane of said frame (11)...  
WO/2018/231343A1
A cutter for a drill bit includes: a substrate for mounting the cutter to the drill bit; and a cutting table. The cutting table: is made from a superhard material, is mounted to the substrate, has an interface with the substrate at a low...  
WO/2018/232419A1
Methods and apparatus are provided for optimizing operations for a fracturing injection waste disposal well especially where the formation is damaged or tight such that pressure fall-off tests are impractical due to extended leak-off rat...  
WO/2018/227219A1
The invention provides a centralising positioner for a resin bolt which includes a central attachment part which is adapted to engage a leading end of the bolt and a positioning part integral with the attachment part that extends from th...  
WO/2018/223571A1
Disclosed are a monopole acoustic logging-while-drilling instrument used in cooperation with a bottom drilling tool assembly, and a method for measuring the shear wave velocity of slow formation by applying the monopole acoustic logging-...  
WO/2018/226772A1
Matrix acidizing treatment are designed and performed in a manner that takes into account radial acid flow into the formation. Subterranean well characteristics are determined (e.g., mineralogical and petrophysical characteristics). One ...  
WO/2018/226653A1
The application is directed to a system for conveying fluid to one or more downstream locations including a plurality of downstream locations severally. The system includes one or more upstream fluid sources, a fluid routing system in fl...  
WO/2018/226216A1
Hydraulic setting tools, packer setting systems, and methods thereof are provided. The hydraulic setting tool includes a mandrel containing a main flow path, a piston housing surrounding at least a portion of the mandrel, and a piston di...  
WO/2018/226114A1
The group of inventions relates to the oil and gas industry and can be used for isolating zones bearing gas, oil and water and for preventing fluid migration between zones during the process of intensifying the extraction of hydrocarbons...  
WO/2018/226286A1
A blend including 50% to 95% reinforcing particles by weight, and 5% to 50% filler particles by weight, of the blend, wherein the reinforcing particles have mean particle size within 70% or less of the mean particle size of the filler pa...  
WO/2018/226517A1
A wellbore liner-hanger tie-back system (200) includes a bore receptacle (206) coupled with a liner hanger (202) at a downhole end of the bore receptacle, where the liner hanger is configured to be positioned in a wellbore, a tieback cas...  
WO/2018/224857A1
The device for preventing the formation of paraffin and asfaltene sediments and for the reduction of the viscosity of crude oil for use at an eruptive oil well, an oil well with pumpjack or for use at a pipeline, the stated device compri...  
WO/2018/227199A1
An apparatus and method for connecting and selectively disconnecting within a wellbore first and second portions of a downhole tool string from each other. The apparatus may be a downhole tool having a first connector sub (306) connectab...  
WO/2018/226957A1
The disclosure relates generally to pipe preparation and processing, more particularly, to a loading and unloading station for moving pipes through the preparation and processing stages of production. The pipe loading and unloading stati...  
WO/2018/223184A1
The invention relates to a mobile platform and a method for dewatering a blast hole and for deliver'ng a bulk explosive thereto in a single pass. The platform includes a dewater'ng apparatus for removing water from a blast hole and a sto...  
WO/2018/223211A1
A controllable steam CO2 unit (CSCU) for generating steam and CO2 simultaneously within a combustion chamber is invented. High pressure fuel and high pressure oxidant are injected into the chamber for combustion. Meanwhile, high pressure...  
WO/2018/227003A1
An actuator sub for generating hydraulic pressure having a sub housing which includes (i) an outer surface, (ii) a main flow passage extending though the sub housing, and (iii) a wall space formed between the main flow passage and the ho...  
WO/2018/223205A1
A fully electric downhole safety tool comprising a valve (200) for flow blockage in oil and gas wells completion operations under emergency conditions is described. Valve (200) comprises an actuation array constituted by a hollow shaft m...  
WO/2018/226467A1
The present disclosure describes methods and systems for detecting a tracer in a hydrocarbon reservoir. One method includes injecting a tracer 214/224 at a first location in a reservoir, wherein the tracer mixes with subsurface fluid in ...  
WO/2018/227198A2
A downhole tool and method for orienting a tool string within a passage, such as a wellbore or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orienting the tool st...  
WO/2018/223232A1
One aspect of the invention provides a combination of a first industrial process (e.g. a SAGD resource extraction process) which generates dirty water, a simplified water purification process, and an electricity-generating process. The w...  
WO/2018/224029A1
A shield spiral conveyor (1) comprises a rotary cylinder (11) for discharging and cutting muck (6) and a cylinder driving assembly (2) used for driving the rotary cylinder to rotate. The cylinder driving assembly comprises a transmission...  
WO/2018/223421A1
Disclosed is pneumatic self-propelled ultrahigh-pressure-pulsed-jet auxiliary impacting rock-breaking equipment. An end cover is provided at the front end of a front-portion pressurized-water cavity (11); the tail end of the front-portio...  
WO/2018/225052A1
The present invention relates to the field of underground combustion of coal and other organic materials contained in canned mines, in order to generate thermal energy. A group of successive steps provides the proposed method. Firstly th...  
WO/2018/224819A1
A method and apparatus for the combined cleaning and plugging of an annulus in a well across a longitudinal section of the well were the annulus is located outside a conduit in the well. The conduit is perforated over the longitudinal se...  

Matches 551 - 600 out of 144,632