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Matches 1 - 50 out of 143,351

Document Document Title
WO/2018/201706A1
The present invention applies to projects such as regional outburst elimination for coal roadway driving or for coal extraction, and discloses a method for efficient gas drainage in coal roadway strips and regional outburst elimination b...  
WO/2018/204211A1
Methods and systems for collecting high quality reservoir samples and delivering EOR substances are disclosed. The systems and methods disclosed are especially important for collecting samples of reservoir samples in a manner that most c...  
WO/2018/204116A1
A splice connects a lower coiled tubing segment containing a lower power cable segment to an upper coiled tubing segment containing an upper power cable segment. The splice has a lower terminal electrically connecting together upper ends...  
WO/2018/204054A1
Systems and methods of forming a seal employ a robust metal sealing unit for tubulars used in rotary drilling. Specifically, eutectic alloy is used to seal a tubular to a wellbore after drilling. A downhole heater melts the alloy, allowi...  
WO/2018/203721A1
A directional drilling apparatus using a water hammer unit of the present invention comprises: a hammer unit including a hammer body which is provided with a bit unit for performing a drilling operation at an end thereof so as to be mova...  
WO/2018/203064A1
A method and apparatus for casing recovery for well abandonment. A string is run-in, the string including a hydraulic jack (18), an anchor (28), a casing spear (20), a downhole flow pulsing device (22) and a pressure drop sub (24). The c...  
WO/2018/203753A1
Methods for analysing a drilling operation, comprising the steps:obtaining a first set of logged operational data from the drilling operation through a first time interval; obtaining a set of operational activity dividers that delimit a ...  
WO/2018/204655A1
An extended reach tool is provided, the tool 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 a flu...  
WO/2018/204110A1
A method for determining properties of a laminated formation traversed by a well or wellbore employs measured sonic data, resistivity data, and density data for an interval-of-interest within the well or wellbore. A formation model that ...  
WO/2018/203283A1
A vehicle, method and system for removing waste material from a worksite is provided. An example of a vehicle includes a containment tank, a vacuum inlet pipe, a reagent tank, an injection point, and a deliver system to deliver the liqui...  
WO/2018/202796A1
A method for recording data relating to the performance of an oil and gas flow network uses statistical data to represent raw data in a compact form. Categories are assigned to time intervals in the data. The method comprises: (1) gather...  
WO/2018/204293A1
An integrated drilling rig machine is disclosed. An integrated power and electronics unit (IPEU) includes all components necessary to transmit power from a generator to rig machines such as a mud pump, drawworks, top drive, etc. A housin...  
WO/2018/204463A1
Simulating fluid flow in a fractured reservoir includes generating a grid for a fractured reservoir model that includes a fracture and a matrix to obtain a generated grid. Cross-flow equilibrium elements are generated based on the genera...  
WO/2018/204123A1
A downhole tool includes at least a pilot section, a first expansion section, and a second expansion section. The pilot section has a plurality of cutting elements to cut a pilot hole. Each of the expansion sections has a plurality of cu...  
WO/2018/203889A1
A support device may include an upper portion that has a first width and a base portion that has a second width. The support device may be sized to be positioned within a tubing string. The support device may be removable from the tubing...  
WO/2018/203062A1
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 fluid circulated through the perforati...  
WO/2018/203765A1
Methods are proposed for predicting hydraulic fracturing, for hydraulic fracturing, for predicting the productivity of a well, as well as methods which make it possible to predict the risks associated with the conducting of hydraulic fra...  
WO/2018/204566A1
Provided are systems and methods for developing a hydrocarbon reservoir including determining properties of a well including a wellbore extending into a tested layer of a multi-layer hydrocarbon reservoir including a barrier located betw...  
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.  

Matches 1 - 50 out of 143,351