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Patent Searching and Data


Matches 701 - 750 out of 144,668

Document Document Title
WO/2018/222071A1
The invention relates to the field of oil and gas extraction. A device for dividing a borehole into sections that are isolated from one another, comprising a hollow housing (7) mountable on a production tubing (1), an axially displaceabl...  
WO/2018/222355A1
A spinner tool includes a plurality of rollers configured to rotate a tubular and a linkage assembly configured to move the rollers into and out of contact with the tubular. The tool further includes a carriage assembly configured to sup...  
WO/2018/222597A2
Various embodiments of the present disclosure include a system for monitoring field level sensors at an oil site. The system can include a sensor node configured to monitor a characteristic associated with an oil site. The system can inc...  
WO/2018/222394A1
A Rotary Steerable System (RSS) includes a flexible collar coupled therein or thereto that permits the stiffness of the RSS to be controlled and permits a desired turning radius to be achieved without sacrificing stability characteristic...  
WO/2018/223048A1
A time delay apparatus for use with a downhole tool in a wellbore casing. In an exemplary embodiment, the apparatus includes an electronic circuit comprising a timer, a fusible link, a split spool device that includes a center pin held i...  
WO/2018/222958A2
Materials and methods for protecting electric cables and connectors from corrosive atmospheres and chemicals, particularly in oil wells, are provided herein.  
WO/2018/222207A1
Simulation of downhole transient pressure effects due to propellant stimulation of a formation provides information that may be utilized to select a type of perforating tool system and other components that contribute to effective stimul...  
WO/2018/219167A1
A quick clamping tool for petroleum machinery. The tool comprises a base (1); recesses (2) each having an upward opening are formed on the base; two parallel first clamping plates (3) are respectively vertically provided in the recesses;...  
WO/2018/222321A1
A compliant keyway for an electric submersible pump (ESP) bearing sleeve is described. A compliant keyway system for an ESP bearing sleeve includes the ESP bearing sleeve coupled to an ESP shaft by an elongate key such that the ESP beari...  
WO/2018/220361A1
The present invention relates to pipelines with a control system and forced circulation of fluids through the annulus between an inner barrier and an outer cover of a pipe, using a system configured to force circulation of fluids through...  
WO/2018/223156A1
The invention provides a positioning device for positioning a resin cartridge within a rock hole which includes a cartridge holding means comprised of a hollow cup-like body which extends between an apical end an open mouth end and an el...  
WO/2018/222362A1
A wrench assembly having an upper clamp assembly and a lower clamp assembly coupled to the upper clamp assembly, wherein the lower clamp assembly comprises a plurality of grippers each having a grip head configured to grip a tubular. Eac...  
WO/2018/223157A1
The invention provides a bung (10) which has a body (12) which extends between a leading end (24) and a trailing end (22) and which includes an inner part (14) of a rigid material which has a cylindrical aperture (20) for receiving a roc...  
WO/2018/220357A1
Flexible pipe connector suitable for effecting control and forced circulation of corrosion-inhibiting fluids through an annulus between inner and outer sheaths of a flexible pipe comprising multiple connected segments, the flexible pipe ...  
WO/2018/222780A2
In an embodiment of the present invention utilizes a frac plug having a large diameter through bore wherein the through bore is at least 75% of the outer diameter of the plug. A tracer assembly is then affixed to a lower end of frac plug...  
WO/2018/222555A1
An apparatus for predicting a deformed shape of a structure, and method of operating and forming the same. In an embodiment, the apparatus (100) is formed with a riser (210) with ends coupled respectively to an upper location (205) and a...  
WO/2018/222179A1
An adjustable stabilized laser measuring system for continuous measurement of at least one join of pipe being inserted into or removed from a wellbore can have a laser housing with a laser surface velocini eter. The laser housing with a ...  
WO/2018/222700A1
A deviated or horizontal wellbore is drilled in a geologic formation with a multiphase fluid including a gas by a rotating drill bit positioned at a downhole end of a drill string. Portions of the gas are released into the wellbore durin...  
WO/2018/222279A2
Systems and methods for sealing a wellbore are described. The system includes a packing element configured to at least partially seal an uphole portion of a wellbore from a downhole portion of the wellbore. A first annular pressure senso...  
WO/2018/223158A1
The invention further provides a groutable rock anchor which includes a protective sleeve of a rigid or semi-rigid water impermeable material which extends between a first end and a second end, a distal end cap, formed with a plurality o...  
WO/2018/218923A1
Disclosed is a connection device having a buffering function used inside a drilling machine. The connection device comprises a bottom plate (4); the surface of the bottom plate (4) is provided with a plurality of second fixing holes (13)...  
WO/2018/222199A1
A method and system for ranging between two cased wellbores. A method may comprise disposing a first downhole tool on a first conveyance line in a first cased wellbore, disposing a second downhole tool on a second conveyance line in a se...  
WO/2018/217727A1
Mitigating drilling circulation loss can be implemented as a wellbore drilling system that includes a drilling liner and a drill head assembly. The drilling liner is configured to be positioned in a lost circulation zone of a subterranea...  
WO/2018/218043A1
A well tool includes a first component, a second component having a passage for receiving the first component, and an anchor assembly. The anchor assembly includes at least one anchor positioned on the first component that is received by...  
WO/2018/217394A1
A seal including a fluid resistive cover, a structured element disposed at an inside surface of the cover and drawable with the cover between a first position and a second position.  
WO/2018/215955A1
Described in this disclosure is the application of organic enzymes for the dissolution of hydrocarbon into lighter products. Jar samples have demonstrated initial success in reducing the viscosity of bituminous heavy oil at low temperatu...  
WO/2018/217509A1
A measurement tool configured to be ran through a bore of a hydrocarbon well. The measurement tool includes a dielectric core, a controller disposed at a first end of the dielectric core, a -first wire helically disposed about the dielec...  
WO/2018/217879A1
Systems, methods and apparatus for injecting a diluted solid chemical, a diluted highly viscous fluid, or a diluted fluidified solid for inhibiting, decreasing or preventing precipitation and/or deposition of foulants and/or contaminants...  
WO/2018/217328A1
A shifting tool (30) can include an inner mandrel (32), engagement members (40) engageable with a well tool component (80), and a detent device (60) that prevents relative displacement between the inner mandrel (32) and the engagement me...  
WO/2018/217679A1
Computing systems, computer-readable media, and methods interpreting well logs, of which the method includes receiving data that comprises one or more well logs acquired using a tool disposed at a plurality of depths423 in a bore in a su...  
WO/2018/216827A1
A device related to earthquake shock mitigation, according to one embodiment, comprises: a database unit for storing a map for a geological structure and information on each location on the map; and a determination unit, which searches t...  
WO/2018/215653A1
A device for the total suppression of Vortex-induced vibrations (VIV) that structures suffer when exposed to currents. Typical marine structures that are prone to VIV are riser pipes, spar buoys and platforms, tendons, catenaries, moorin...  
WO/2018/214737A1
The present invention relates to the field of shield tunnel construction, and provides a construction method for the inner structure of a single-bore double-track composite lining shield tunnel. Steps of the method mainly comprises a fir...  
WO/2018/213917A1
An inner lube plug for plugging a diamond drill hole, the plug assembly comprising a body component having proximal and distal ends; a compressible plunger component attached to the distal end of the body component by attachment means; a...  
WO/2018/217680A1
A wireline riser tensioner system includes a set of tensioning units arranged about a first well with at least one tensioning cable connected to a first and a second tension ring of the first and second wells, respectively. Both wells ca...  
WO/2018/217196A1
A drilling motor operated with flow of drilling fluid therethrough includes an elongated shaft having integrally formed sections and includes a housing having a plurality of separate sections inserted on the elongated shaft and interconn...  
WO/2018/218027A1
A well tool includes a first component, a second component, an orientation assembly, and a coupling device. The first component has a first device and the second component has a passage for receiving the first component and a second devi...  
WO/2018/215747A1
A completion assembly (4) defines a throughbore (50) and comprises an isolation valve (46) which is configurable between an open state in which the isolation valve permits fluid to flow through the throughbore and a closed state in which...  
WO/2018/217448A1
A gas pulse jet pump for use with a fluid transfer system is provided. The gas pulse jet pump includes a main body including at least one suction chamber conflgured to receive production fluid. The gas pulse jet pump further includes an ...  
WO/2018/217201A1
Methods and systems for characterizing fractures in a subterranean formation are provided. The method includes introducing an encapsulated explosive unit into a casing located in a wellbore within the subterranean formation and maintaini...  
WO/2018/217450A1
A method and apparatus for measuring multiple parameters of drilling fluid using electric field perturbation, permittivity curves, time domain analysis and frequency domain analysis to identify constituents of drilling fluid and ratios o...  
WO/2018/217678A1
A system for monitoring a drilling rig condition, the system comprising: a travelling block suspended via a drilling line from a crown block at the top of a mast of the drilling rig; a frame to which the drilling tools and/or a pipe stri...  
WO/2018/217703A1
A marine riser assembly (50) includes a first riser (60) having an upper end coupled to a floating offshore structure (20) and a lower end disposed subsea. In addition, the marine riser assembly includes a second riser (70) having an upp...  
WO/2018/217096A1
An assembly for performing a survey of tubing which is stuck in a borehole is described, together with a related method and a device for use in the assembly. In various embodiments, the assembly has a tractor for advancing the assembly a...  
WO/2018/214143A1
A construction method for plugging a dewatering well having a penetrating bottom plate in a foundation pit, comprising: manufacturing and installation of steel sleeves, tube well dewatering in each construction phase, preparation work of...  
WO/2018/215074A1
The abrasive suspension eroding system disclosed herein has an eroding unit (11), which can be lowered into an existing drilled hole (1), in order to generate a high-pressure erosion jet for the abrasive suspension eroding of material (6...  
WO/2018/217447A1
A downhole measurement tool configured to be run through a bore includes a source and a 3-component receiver. The source is configured to emit a source signal, which may be a compressional or a shear wave, into a volume of material surro...  
WO/2018/217329A1
A shifting tool (30) for use in displacing a component (80) of a well tool can include an inner mandrel (32), at least one shifting key (40), at least one reset dog (50), and a retraction sleeve (54). The shifting key (40) retracts relat...  
WO/2018/213925A1
A power system and method for the adaptive power control of a drilling rig. While operating the internal combustion engine in its efficient operating range, unrequired mechanical power is converted to electrical power for storage, or use...  
WO/2018/217330A1
A method of manufacturing a safety valve (24) chamber housing (28) can include depositing a chamber housing material, and thereby gradually building up the chamber housing and forming a chamber (30) in the chamber housing enclosed by the...  

Matches 701 - 750 out of 144,668