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Matches 251 - 300 out of 143,704

Document Document Title
WO/2018/204902A1
A method and autodriller for drilling a wellbore with a drill rig by rotating a drillstring and a drill bit with a drill rig drive system; applying an initial weight of the drillstring on the drill rig WOB; measuring drill rig properties...  
WO/2018/204644A1
A bit jet enhancement tool is provided, the system comprises two or more separate flow paths, each of the flow paths has multiple hollow chambers connected in series; each of the hollow chambers comprises a first constricted chamber with...  
WO/2018/204458A1
Cutting elements for earth-boring tools may include a substrate and a poly crystalline, superabrasive material secured to an end of the substrate. The poly crystalline superabrasive material may include a first transition surface extendi...  
WO/2018/204066A1
Provided is a well screen assembly, and method of use therefore. The well screen assembly, in one embodiment, includes a plurality of fluid collecting elements, wherein the fluid collecting elements have collection troughs extending alon...  
WO/2018/201714A1
Disclosed is an accurate extraction method for a coal mine gas, for improving the accuracy of coal mine gas extraction design and construction and ensuring borehole extraction efficiency. The method comprises: firstly, using a gyroscope ...  
WO/2018/203063A1
A method and apparatus for single-trip casing cutting and pulling for well abandonment and slot recovery. Perforations (28) are made in the casing (12) at a maximum depth using a punch tool (18) and a pulsed fluid circulated through the ...  
WO/2018/202605A1
The present invention relates to a dental drill (10) formed of titanium or a titanium alloy having a hardness greater than pure titanium, said drill extending along a central axis (A) from a proximal end (14) to a distal end (16). The dr...  
WO/2018/203070A1
A hydraulically driven underwater pumping system is disclosed, comprising a pumping module (3) connected to a subsea base (2), wherein the subsea base is connected to: a subsea producing well (1) via a production line (4) that carries th...  
WO/2018/201217A1
A system and method for successively fracking a wellbore at spaced intervals along tubing having frac/production ports therein. The system and method provides for flowable installation downhole of sand screen subs immediately after frack...  
WO/2018/203023A1
A ventilation device that enhances the effective longitudinal thrust of a fan assembly installed within a tunnel or other internal space. The nozzle trailing edge (6) is tilted so that it forms an angle (13) with respect to the fan centr...  
WO/2018/203880A1
Disclosed herein is a drill bit (10). The drill bit comprises a body (12) that comprises a metal matrix composite 20. The MMC comprises a mixture comprising a plurality of particles (22) and another plurality of particles (24), wherein e...  
WO/2018/204428A1
An actuator assembly for a drilling rig includes a cradle actuator coupled to a substructure of a rig, and an actuator bracket having a first end pivotally coupled to the substructure. The actuator bracket is coupled to the cradle actuat...  
WO/2018/204121A1
A passive multiphase separator is configured to separate gas from a two-phase fluid in a wellbore. The passive multiphase separator includes an intake tube that has an intake end, a discharge end and an interior section between the intak...  
WO/2018/201314A1
A method can include receiving well plan information for drilling at least a section of a well at a site; generating a set of candidate drillstring assemblies based at least in part on at least a portion of the well plan information and ...  
WO/2018/203047A1
An oil or gas well actuator (1) assembly comprising a fixed member (10), an actuating member (30) being moveable axially with respect to the fixed member, with open-ended recesses containing canted coil springs (40) on e.g. the fixed mem...  
WO/2018/204267A1
Actual distributed temperature sensing (DTS) data and pressure data are received in response to a stimulation treatment applied to a hydrocarbon field. A pre-stimulation model is built that includes reservoir parameters, which generates ...  
WO/2018/204542A1
A wellhead assembly has a tubular wellhead body (11) with a wellhead axial bore (13) and a wellhead radial bore (27). A hanger (41) has a hanger axial bore (45) and a hanger radial port (47). A tube moving mechanism (35) moves a tube (29...  
WO/2018/204197A1
A sealing apparatus includes a moveable seal holder with a cavity and includes a seal assembly disposed at least partially in the cavity. The seal assembly includes a resilient seal member including a fluid-facing end with a fluid-facing...  
WO/2018/204634A1
Embodiments of the present disclosure include a method of replacing valve operation methods during fracturing operations including installing a first operator on a first valve of a first fracturing tree. The method also includes installi...  
WO/2018/204597A1
Embodiments of the present disclosure include a valve assembly including a supply housing (64) with a first bore (72) and an injectable housing (66) coupled to the supply housing (64) with a second bore (74). The valve assembly further i...  
WO/2018/203877A1
A sealing profile protector for a subsea hydrocarbon production or processing system component includes a body having an contact surface which is configured to engage a sealing profile on the component. When the sealing profile protector...  
WO/2018/204920A1
A data acquisition program, which includes core, image log, microseismic, DAS, DTS, and pressure data, is described. This program can be used in conjunction with a variety of techniques to accurately monitor and conduct well stimulation.  
WO/2018/204051A1
Systems and methods of logging in a well include utilizing a solidifying fluid, such as magnetorheological fluid, in at least one annulus surrounding a logging tool. Given production tubing may remain in the well during the logging as de...  
WO/2018/200735A1
There is provided system and methods for restimulating a hydrocarbon producing well using water and pressures below the closure pressure, which results in production rates approaching the initial production rate of the well. There is pro...  
WO/2018/200216A1
An optimization apparatus for optimizing an objective function of a resource production system, comprising: an analytical model of the resource production system configured to receive data from the resource production system, the analyti...  
WO/2018/199986A1
To optimize the efficiency of a perforating tool system, downhole conditions may be simulated to determine the optimal configuration for the perforating tool system. A simulated wellbore is disposed in a pressure vessel and coupled to a ...  
WO/2018/200463A1
A downhole power generation system is disclosed, which includes a turbine generator system. The turbine generator system includes a turbine, a generator coupled with the turbine and having an AC-DC rectifier, and an optimized power contr...  
WO/2018/196373A1
A guide rail structure for a power head comprises a guide rail (1) installed at a drilling rig support and a power head support (2) arranged at and movable along the guide rail (1). The power head support (2) has a guide slot (3) going a...  
WO/2018/198881A1
The present invention addresses the problem of providing a well closing device capable of reducing costs and shortening a process for boring a well, and a method for temporarily closing the well by using the well closing device. This wel...  
WO/2018/200601A1
Embodiments of the present disclosure include an apparatus for forming a tubular fitting includes an annular body having an axial height and radial thickness. The apparatus also includes an inner ami forming at least a portion of the ann...  
WO/2018/197912A1
Present invention relates to a multilayer insulating device for the protection of space delimiting bodies, which contains an insulating body (20) positioned between a wet side (1) and a protected side (2), where the insulating body (20) ...  
WO/2018/198074A1
A composition for reducing the viscosity of a fluid comprising an alkane component and an aromatic hydrocarbon component.  
WO/2018/199769A1
A wellbore hydraulic line rectification device (1) arranged to rectify a hydraulic line (50) in-situ, the rectification device (1) comprises; - a rectification line feeder (10), - a longitudinal first rectification line (20), wherein the...  
WO/2018/200108A1
A sealing system for a flow channel comprises a mandrel; a swellable element disposed about the mandrel; and a degradable polymeric element disposed on a surface of the swellable element and configured to delay swelling of the swellable ...  
WO/2018/200008A1
This disclosure provides a dissolvable sealing joint system that can be used in an improved method of sealing a multilateral well junction. The sealing joint system is comprised of a dissolvable junction subassembly that can be easily re...  
WO/2018/200852A1
A drilling mud screen system, comprising: a hollow body having a first end, a second end and a first centerline from the first end to the second end; a drilling mud inlet having a second centerline forming an angle with the first centerl...  
WO/2018/200287A1
A system for cleaning a wellbore can include a bottom hole assembly that is designed to be run downhole into a wellbore after the wellbore has been drilled and before the wellbore has been cleaned. A control sub-assembly is mounted on an...  
WO/2018/196029A1
A solid antiscalant agent and a preparation method therefor. The solid antiscalant agent comprises a main antiscalant agent and a consolidating agent, the main antiscalant agent and the consolidating agent being in a ratio of 1:1. The ma...  
WO/2018/200456A1
A downhole power generation system is disclosed, which includes a plurality of power generation modules for providing power to a load. Each power generation module includes a turbine, and the plurality of turbines in the plurality of pow...  
WO/2018/199751A1
A method for handling and/or testing an in-riser landing string assembly onboard a floating vessel, which method comprises the use of an in-riser landing string assembly cart, e.g. a skiddable in-riser landing string assembly cart, havin...  
WO/2018/195909A1
Disclosed in the present invention is a method for predicting a vertical well volume fractured reservoir reform volume of a low permeable reservoir. The method sequentially comprises the following steps: (1) calculating the induced stres...  
WO/2018/200269A1
A method for controlling an ESP-lifted well in an optimal fashion using the ESP speed and choke opening as actuators subject to operational constraints.  
WO/2018/200455A1
Methods for using a single explosive material whose specific volume energy can be controlled for use in at least a segment of a borehole. Alternatively, or additionally, methods for using mixtures of one or more explosive materials and o...  
WO/2018/200407A1
Included are wellbore sealing systems and methods of use. An example wellbore sealing system comprises a rigid sealing device capable of expansion and having an exterior having holes disposed therethrough; and an expandable sealing layer...  
WO/2018/200150A1
A submersible well pump is driven by an electrical motor. A thrust bearing module between the pump and the motor has a base secured to and extending downward from a housing. The base has a motor end connector and an axial bore in fluid c...  
WO/2018/200402A1
A system operable to seal at least a portion of a well downhole from a horizontal segment of the well includes an electric wireline having a position locator for locating the position of a flow control device or leak in a tubing segment ...  
WO/2018/200703A1
An earth-boring tool includes a body, blades extending longitudinally and generally radially from the body, and cutting elements located on each blade. The earth-boring tool may also include a first group of at least two adjacent blades ...  
WO/2018/197961A1
A wellbore pumping system (10) has at least one jet pump (18, 20) disposed in a tubular string (12) inserted into a subsurface wellbore (11). An intake of the jet pump is in fluid communication with a subsurface reservoir. A discharge of...  
WO/2018/200860A1
Method of optimizing well placement in an unconventional reservoir, by obtaining a plurality of produced oil, produced water and produced gas samples from an unconventional reservoir over a period of time, and obtaining a plurality of ro...  
WO/2018/197578A1
Disclosed herein is a method of connecting an end part of a pipe attachment device to a part of a function element, the method comprising: aligning the longitudinal axis of a substantially tubular end part of a pipe attachment device wit...  

Matches 251 - 300 out of 143,704