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Patent Searching and Data


Matches 451 - 500 out of 143,158

Document Document Title
WO/2018/147724A1
The present invention provides an cutter head with a blade that is provided with a recess, and a tool which can be inserted in said recess in the blade through a tool holder in such a manner that the tool is completely spaced apart from ...  
WO/2018/144432A1
A flat pack (1) for operating a downhole tool or sensor includes a plurality of tubes (3a, 3b); a spacer (2) disposed between the tubes (3a, 3b); and a jacket (4) encapsulating the tubes (3a, 3b) and the spacer (2). The tubes (3a, 3b) an...  
WO/2018/144021A1
An apparatus comprises a first cluster of perforator guns positioned circumferentially around a central longitudinal axis at a first axial position. The apparatus includes a second cluster of perforator guns positioned circumferentially ...  
WO/2018/141048A1
A closure arrangement for use on a rotating control device used during managed pressure drilling, said closure arrangement adapted for the installation of a bearing assembly adapted for insertion into a body, said body defining an upper ...  
WO/2018/144901A1
A perforating gun system with at least one gun. Each of the perforating guns have charges disposed in a gun carrier that are angled to the longitudinal axis of the gun to achieve a predetermined proppant transport profile into clusters w...  
WO/2018/144762A1
An insert for a drill bit includes a base portion having a central axis and a formation engaging portion. The formation engaging portion includes an elongate peaked ridge, a first flanking surface extending from the peaked ridge, and a s...  
WO/2018/141052A1
A fastener installation system comprising an SDS drill, an impact mechanism, an adapter, and a hammer socket. A method of installing a fastener into a receiving surface using an SDS drill. The method comprising the steps of drilling a ho...  
WO/2018/142134A1
Wells may be drilled down to a coal seam, for example substantially vertically. Groundwater will naturally tend to fill the well thus drilled, and removal of the water (i.e. dewatering of the wellbore) will tend to lower the level of wat...  
WO/2018/143946A1
Systems and methods for incorporating mandrel current measurements in deep ranging inversion. A method may include introducing a current through a transmitter into a subterranean formation, wherein the transmitter may be a component of a...  
WO/2018/144752A1
The present disclosure generally relates to a method for making up a tubular joint. The method includes rotating a first tubular relative to a second tubular to engage the first and second tubulars while measuring a torque between the fi...  
WO/2018/144467A1
A bellows motor expansion chamber for electric submersible pumps (ESP). An ESP assembly includes an electric submersible motor between a thrust chamber and a motor expansion chamber, the motor expansion chamber including a bellows couple...  
WO/2018/142348A1
A threaded tubular connection for drilling or operating hydrocarbon wells comprising a longitudinal axis, a metal pin member having a tapered two-step wedge pin thread with dovetail wedge threads and a pin sealing surface located between...  
WO/2018/145026A1
A modular tubular system is assembled of a tool handling section and a tubular section. The tool handling section may be made of a material that is suitable for handling by conventional tubular handling tools, such as conventional steel....  
WO/2018/144336A1
Processes of consolidating aqueous compositions including fines and process water are disclosed. The processes include mixing the composition with a highly water soluble salt or an aqueous solution thereof to destabilize and consolidate ...  
WO/2018/144169A1
A method for directional drilling including defining, by a sliding mode controller, a sliding hypersurface for reducing a trajectory error in one or more error dimensions; determining a current trajectory error between a current trajecto...  
WO/2018/142122A1
Method and apparatus for single-trip cementing and casing cutting for well abandonment and slot recovery. A casing cutter is described which has a central through bore including a wall to isolate the cutting assembly from cement being pa...  
WO/2018/144353A1
A system for use in a mineral extraction system includes a spinner assembly having a motor configured to drive rotation of a roller shaft. The spinner assembly also includes a roller non-rotatably coupled to the roller shaft and configur...  
WO/2018/142023A1
This invention relates to an injection tool (1) which comprises a longer smaller diameter pipe (3) assembled movable inside a shorter larger diameter pipe (4), a connection piece (2) assembled at the first end of the smaller diameter pip...  
WO/2018/144495A1
An isolation valve for use with a tubular string includes a tubular housing for connection with the tubular string; a first closure member disposed in the housing and movable between an open position and a closed position; a second closu...  
WO/2018/143823A1
In an embodiment there is described a method of constructing a subsea well. There is also described an associated unit. The method may comprise the steps of: providing a unit comprising at least one component of a flow control assembly, ...  
WO/2018/143825A1
There is described an apparatus (1) for forming at least a part of a production system for a wellbore (50), and a related passageway (300, 900) for transmitting cement, method of performing an operation to form a cement plug in a wellbor...  
WO/2018/141199A1
A method for separating underground oil, gas, water and sand and a separator (10), the method for separating underground oil, gas, water and sand comprising the following steps: step 1: forming a plurality of spaces by partitioning in th...  
WO/2018/144985A1
A tethering system includes an adapter configured to couple to an upper end of a subsea anchor, a tensioning system, and a flexible tension member having one end coupled to the tensioning system and the other end coupled to the adapter. ...  
WO/2018/143821A1
The present invention relates to a method for removing hydrocarbons from produced water, comprising: (i) separating produced water from a hydrocarbon and water mixture extracted from a subterranean formation: (ii) contacting said produce...  
WO/2018/144606A1
Disclosed are systems and methods for performing a contamination estimation of a downhole sample comprising at least a formation fluid and a filtrate. A plurality of downhole signals are obtained from the downhole sample and one or more ...  
WO/2018/143945A1
Systems and methods for active ranging-while-drilling (ARWD) for collision avoidance and/or well interception. A method for electromagnetic ranging of a target wellbore may include disposing an electromagnetic ranging tool in a wellbore,...  
WO/2018/143958A1
Systems, methods, and computer-readable media for directional drilling based on curvature-based feedback. In some examples, a drilling tool tracks a current position and a current attitude, determines a curvature value for a curved path ...  
WO/2018/144117A1
A perforating gun system having gun sections coupled together with adapters. Each of the gun sections are adjustable to be offset relative to one another and each gun section is also decentralized with respect to the inside diameter of t...  
WO/2018/142118A1
A downhole flow control device comprises a body locatable within a wall of a tubular, wherein the body defines a flow path therethrough to accommodate flow in reverse first and second directions between internal and external locations of...  
WO/2018/144035A1
A pixelation-based approach to summarize downhole inversion results acquires inversion solutions and generates an initial model. Each layered solution is pixelated into pixels where each pixel contains the resistivity value of the initia...  
WO/2018/142165A1
A caliper finger for use as part of a multi-finger caliper logging tool has a body formed substantially of a first material and a finger tip formed substantially of a second material which has greater mechanical durability than the first...  
WO/2018/142173A1
Apparatus and methods pertaining to a processing system operable to determine a change to an operation of a well construction system based on an indication of a quality of transmitted communication between downhole equipment of the well ...  
WO/2018/143918A1
Systems and methods for real-time optimization of stimulation treatments in a hydrocarbon reservoir by controlling a simulated stimulation treatment schedule for a main fracture stimulation treatment stage using a predicted net pressure ...  
WO/2018/142123A1
Method and apparatus for single-trip cementing and casing cutting for well abandonment and slot recovery. Using a tool string including a casing cutter and a stinger, where the casing cutter has a central through bore including a wall to...  
WO/2018/143819A1
A coupling assembly for elongate elements (1, 2) comprises a pin member (5) and a box member (6), said pin and box members having complementary and respective frusto- conical pin and box mating surfaces (12, 13). A bore (9; 9') has as a ...  
WO/2018/144669A1
A downhole tool includes a base pipe having an opening formed radially-therethrough. The downhole tool also includes a valve positioned at least partially within the opening. The valve includes a dissolvable insert and an impediment. The...  
WO/2018/144682A1
A system for producing hydrocarbons from a subterranean well includes an electrical submersible pump assembly with a motor, a seal section, and a pump. A packer assembly with a mechanical valve is retrievable with the electrical submersi...  
WO/2018/144170A1
A method for controlling directional drilling including defining a cost function that includes at least one penalty condition associated with a control input. A controller is provided with a current position of the drilling tool and a re...  
WO/2018/145027A1
A toe casing is made of a material different from conventional casing, and may be deployed in an open-hole section of a well that is not economically accessible by conventional casing. The toe casing may be made of a material that more e...  
WO/2018/143824A1
A structure (100) for supporting a flow-control apparatus (6) on a seabed foundation for a well, the flow-control apparatus (6) being configured for performing at least one operation in a wellbore of the well, the structure (100) compris...  
WO/2018/144143A1
A method of measuring temperatures, includes disposing a carrier in a borehole in an earth formation, the carrier having an optical fiber connected thereto, interrogating the optical fiber with a pulsed optical signal generated by a dist...  
WO/2018/143817A1
It is discussed a method for drilling a well through a formation from a drilling installation, for the recovery of fluids, where a drill pipe (30) made up of a number of drill pipe sections is lead down into the formation and is supplied...  
WO/2018/143814A1
The invention is a method, a system, tools for use by the system, and an interpretation method for injecting and detecting tracers and conducting flow characterizing of a petroleum well. The method describes monitoring of travel time and...  
WO/2018/144029A1
System and methods for geosteering inversion are provided. A downhole tool's response along a path of a wellbore to be drilled through a formation is predicted over different stages of a downhole operation, based on each of a plurality o...  
WO/2018/144372A1
A coupler assembly (60) for a sub-sea connector including a coupler (18) having an abutment (76) radially outwardly from the coupler body (64), and a radially inwardly extending groove (78) in the coupler body that is longitudinally spac...  
WO/2018/137871A1
The invention relates to a working and recovery vehicle (1) that can be driven on a track for firefighting and/or the recovery of persons in tunnels or underground railways (16), having a drive unit (4), which can be operated without amb...  
WO/2018/137046A1
Tubing string rotators, safety rod clamps, combination tubing string rotators and safety rod claims, and rotating split tubing hangers are provided. The tubing string rotator can rotate a tubing string suspended in a hydrocarbon well fro...  
WO/2018/140462A1
A safety joint having threads with a first handedness, for example right-handed threads, to connect the safety joint to an upper drill pipe portion and a lower drill pipe portion. The safety joint includes a releasable threaded connectio...  
WO/2018/139082A1
[Problem] To provide a well drilling bit that can drill in high-temperature hard strata efficiently at a low cost with low replacement frequency and a well drilling method using same. [Solution] A well drilling bit 1 for drilling bedrock...  
WO/2018/140144A1
A whipstock/bottom hole assembly (BHA) arrangement including a whipstock, a BHA, an interconnection arrangement releasably securing the whipstock to the BHA, a fluid flow configuration in the BHA, the configuration directed at the interc...  

Matches 451 - 500 out of 143,158