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Matches 351 - 400 out of 142,868

Document Document Title
WO/2018/136981A3
A hydraulic actuator for a downhole pump system includes a piston housing having a head end and a base end. A drive piston is movable within the piston housing between a first piston position proximate to the head end and a second piston...  
WO/2018/136100A1
Systems and methods for enhancing the conductivity of fractures in a subterranean formation using cements and electrically controlled propellant materials are provided. In some embodiments, the methods comprise: introducing a cement flui...  
WO/2018/136980A1
A downhole manifold assembly includes a manifold body defining a longitudinal axis and having a first end face, a second end face, and an outer surface extending therebetween. A fluid circuit is defined in the manifold body and includes ...  
WO/2018/135266A1
Provided is a threaded joint for steel pipes, the threaded joint being configured so that high sealing performance can be ensured after the completion of tightening and so that the seizure of each seal surface during tightening can be pr...  
WO/2018/134578A1
A sock anchor unit (10) comprises an inner longitudinal hollow spine (12), an outer fabric sleeve (14) arranged to envelop the outside surface of the inner hollow spine (12) such that a gap is defined between the outside surface of the i...  
WO/2018/136064A1
Provided are methods and systems for treating a subterranean formation. An example method comprises adding proppant particulates to a fluidized bed granulator; spraying a binding agent on the proppant particulates to at least partially c...  
WO/2018/136612A1
Embodiments of the present disclosure include a multi-inlet fracturing head (MIFH) having a first inlet channel extending through a body of the MIFH, the first inlet channel being substantially perpendicular to an axis of the MIFH and di...  
WO/2018/134489A1
The present invention relates to a method for enhanced oil recovery by flushing an underground formation, comprising the injection into the underground formation of an aqueous composition comprising microgels having at least one crosslin...  
WO/2018/132927A1
A reservoir fluid production system for producing reservoir fluid from a subterranean formation is provided for mitigating gas interference by effecting downhole separation of a gaseous phase from reservoir fluids, while mitigating entra...  
WO/2018/133492A1
Disclosed is a non-uniform support structure for gob-side entry driving under a deep unstable overburden rock, comprising a roadway top plate support structure, a gob-side assistive support structure, and a physical coal assistive suppor...  
WO/2018/134635A1
The invention notably relates to a computer-implemented method for designing a geological simulation grid, the method comprising: providing a geometrical grid that conforms to a set of geological structures of a geological environment; p...  
WO/2018/136906A1
A process and system for modifying reservoir simulation models and analyzing their associated execution on high-performance grid computing (HPGC) clusters with the objective of reducing overall turnaround time and improving cluster effic...  
WO/2018/136846A1
A choke valve for regulating a flow rate, a pressure or other parameters of a fluid flow may comprise a choke cage comprising a passage therethrough and a choke plug slidable within the passage. At least one conduit may pass through a wa...  
WO/2018/136423A1
An apparatus and process for fracturing wells is provided. In one example, an apparatus includes an electric liquid monopropellant device including a volume of electric liquid monopropellant and a detonation cord in proximity to the elec...  
WO/2018/136406A1
Methods for generating boreholes used for generating geothermal energy or other purposes include forming the borehole by accelerating a projectile into contact with geologic material. Interaction between the projectile and the geologic m...  
WO/2018/133741A1
Disclosed are a tunnel excavator and a construction method for same. The tunnel excavator comprises a frame. The frame is divided into a front segment (1), an intra-cavity excavating segment (2) and a tail segment (3), the profile of the...  
WO/2018/132979A1
Disclosed are a laser-assisted tunnel-boring machine and a rock breaking method therefor. The machine has two rock-breaking modes: a laser-hobbing cutter rock-breaking mode and a hob rock-breaking mode. The identification of and the swit...  
WO/2018/136093A1
The embodiments herein relate generally to subterranean formation operations and, more particularly, to enhancing complex fracture networks in subterranean formations by maximizing the exposed surface area to enable increased production ...  
WO/2018/135951A1
The invention concerns a winder (1) for a threaded connection of two axially aligned bodies (2, 3) where: - a first body (2) comprises a male portion (4) at an end connection portion; - a second body (3) comprises a female portion (5) at...  
WO/2018/132862A1
A mobile, coiled tubing drilling apparatus with a rotary drill head, the apparatus including a non-rotating mast on a mobile platform, the mast having mounted thereon an injector below a coiled tubing reel, the injector defining an opera...  
WO/2018/136808A1
A compact setting tool that sets a packer or bridge plug in a wellbore and then self bleeds the pressure prior to pulling the string out of the wellbore.  
WO/2018/134613A1
This invention relates to inspection assemblies that include one or more sideview cameras for capturing images of an interior surface of a pipe or conduit. An inspection assembly for imaging the internal surface of a pipe or conduit comp...  
WO/2018/136451A1
A circulation coupler for continuous or constant circulation of drilling mud during operation of a drill string, the circulation coupler comprising: a housing having an upper open end and a lower open end, wherein the housing has a port ...  
WO/2018/133745A1
A pipe jacking tunneling device for underwater tunnels and a construction method thereof, the pipe jacking tunneling device comprising a pipe jacking device (1) and a tunneling section (2), the pipe jacking device (1) being positioned in...  
WO/2018/134633A1
The method comprises: (a) obtaining (300) a first time series of a first well parameter from the first well and a second time series of a second well parameter from the second well, (b) processing (310) the first time series to obtain a ...  
WO/2018/135950A1
Autonomous water flow shut off device (4) for preventing production of water in oil production pipes (2) in oil wells (12) comprising a flow pipe (42) fitted with several seals (41, 41 ', 41 ", 41 "') arranged with an axial distance alon...  
WO/2018/134614A1
This invention relates to inspection assemblies that include one or more sideview cameras for capturing images of an interior surface of a pipe or conduit. This invention also relates to downhole inspection tools including such inspectio...  
WO/2018/133435A1
Disclosed is a method for controlling air leakage in a goaf area during a shallow and close coal seam mining process. The method mainly comprises techniques such as surface air leakage fracture sealing and downhole air leakage channel de...  
WO/2018/136033A1
A drill bit for downhole electrocrushing drilling is disclosed. A electrocrushing drill bit may include a bit body; an electrode coupled to a power source and the bit body, the electrode having a distal portion for engaging with a surfac...  
WO/2018/136982A1
The invention provides a preload device which includes a pressure vessel body which has a hole in the wall of the body, and a load indicator member engaged with the body over or through the hole, which has a housing which defines a cavit...  
WO/2018/136506A1
The present disclosure relates to a modular fluid pump system for configuring a fluid pump in a selected one of first and second configurations. The system may have a first pump casing with a first diameter, and a second pump casing with...  
WO/2018/132861A1
A mobile, coiled tubing drilling apparatus, the apparatus including a non-rotating mast on a mobile platform, the mast having mounted thereon an injector, a coiled tubing reel having a tubing pay-off point associated therewith, and a tub...  
WO/2018/134615A1
This invention relates to the field of inspection assemblies and in particular to inspection assemblies that include light sources for illuminating a field of view of a camera. An inspection assembly for imaging the internal surface of a...  
WO/2018/136573A1
A method for maintaining a constant bottom hole pressure during wellbore drilling operations, the method comprising supplying drilling fluid to the drill string via a top drive at a first pressure while flow of drilling fluid out of a we...  
WO/2018/136651A1
A well pump electrical motor has a motor housing filled with a dielectric motor lubricant. A motor head has at least one motor lead passage in fluid communication with the motor lubricant. An outer seal, which is exposed to well fluid, s...  
WO/2018/135955A1
A method of cleaning deposited solid material from a fouled portion of a gas compressor (6) whilst the gas compressor (6) is in situ in a natural gas processing system (1) is provided. The method comprises the steps of supplying a liquid...  
WO/2018/134328A1
A self supporting board for use in fire protection, at least part of the board being formed from material comprising in wt%: inorganic fibres 35 to 70% silica 30 to 65% 5 binder 0 to 10%.  
WO/2018/136095A1
Systems and methods for forming and/or enhancing fractures in a subterranean formation using electrically controlled propellant materials are provided. In some embodiments, the methods comprise: introducing a treatment fluid comprising a...  
WO/2018/133493A1
An unbalanced support design method for gob-side entry driving under deep unstable cover rock, comprising the following steps: step 1, analyzing exploration conditions; step 2, selecting a roadway roof support structure and roadway two-s...  
WO/2018/132915A1
A centralizing sucker rod connector having a vaned sleeve mounted on a mandrel. The mandrel has a shoulder enclosed by the sleeve. One or more inserts included within the sleeve or the inner surface of the sleeve engage the mandrel and c...  
WO/2018/136979A3
A pump jack includes a base, a pedestal supported by the base and a Samson post that supports a walking beam. The Samson post includes a front leg that is supported by the base and a connection bracket affixed to the front leg. The Samso...  
WO/2018/136052A1
Screen-outs can be detected from acoustical signals in a wellbore. Data based on an acoustic signal generated during a hydraulic fracturing operation in a wellbore formed through a subterranean formation can be received. An expected tota...  
WO/2018/133743A1
Disclosed is an tunnelling apparatus for use in a pipe jacking method, the tunnelling apparatus comprising an excavating apparatus (1), a head front-end track (2), a central track (3) and a rear apparatus (4), wherein the excavating appa...  
WO/2018/134599A1
A perforating gun, perforating gun system, and method for producing the same is provided. The perforating gun includes a body and at least one cavity liner. The body has an axial length extending between a first axial end and a second ax...  
WO/2018/136557A1
The present invention relates to a system and method to separate solid particle components from a fluid. The invention uses a novel combination of mechanical filtration, solids decantation and real and imaginary forces. The invention com...  
WO/2018/136275A1
In a hydrocarbon field including multiple production wells and injection wells, at a hydrocarbon field level, a long-term field-level target and optional long-term well- level targets for the field are received by a field-level processor...  
WO/2018/136056A1
Various embodiments include apparatus and methods implemented to take into consideration gauge length in optical measurements. In an embodiment, systems and methods are implemented to interrogate an optical fiber disposed in a wellbore, ...  
WO/2018/135267A1
Provided is a threaded joint for steel pipes, the threaded joint having further improved sealing performance. This threaded joint (1) is provided with a pin (10) and a box (20). The pin (10) has a pin shoulder surface (11), a pin seal su...  
WO/2018/136050A1
Fluid allocation in a well can be determined with a distributed temperature sensing system using data from a distributed acoustic sensing system. Flow data indicating a flow rate of a fluid through a perforation in a well based on an aco...  
WO/2018/132180A1
Systems and methods for assessing physical properties of a geological formation are disclosed. The systems and methods may use electrodes that include two conductive portions separated by an isolation gap positioned along a casing in a w...  

Matches 351 - 400 out of 142,868