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WO/2018/208744A1 |
A dual bore packer features axially offset tapered thread connections so that the pressure rating and size of the connections in each of the bores can be as large as possible. This is enabled by providing as thick a wall as possible betw...
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WO/2018/208579A1 |
A method for evaluating and optimizing complex fractures, in one non-limiting example far-field complex fractures, in subterranean shale reservoirs significantly simplifies how to generate far-field fractures and their treatment designs ...
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WO/2018/205492A1 |
A high ground pressure laneway stress transfer method based on a fracturing ring. Fracturing is conducted by constructing a drill hole (1) according to a laneway (2) stress source; a circle of artificial weakening zone, i.e., "a fracturi...
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WO/2018/208252A3 |
The invention relates to an undisturbed soil sampler (100) for granular grounds, which allows for undisturbed sampling by artificial soil freezing system in the field of Geo-technical engineering. The invention particularly relates to un...
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WO/2018/207314A1 |
Provided is a seal structure capable of improving the service life of a seal material. This seal structure (1) is provided with an annular seal material (10). The seal material (10) is disposed, in a sliding clearance between a shaft (20...
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WO/2018/208282A1 |
A system and method for evaluating a subterranean earth formation as well as a method of steering a drill bit in a subterranean earth formation. The system comprises a logging tool that is operable to measure formation data and locatable...
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WO/2018/209221A1 |
A method of forming a supporting substrate for a cutting element comprises forming a precursor composition comprising discrete WC particles, a binding agent, and discrete particles comprising Co, Al, and one or more of C and W. The precu...
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WO/2018/209181A1 |
An emulsion for hydraulic fracturing to provide a one-step delivery of a fracturing fluid and a breaker for hydraulic fracturing of a hydrocarbon-bearing formation is provided. The emulsion for hydraulic fracturing is a water-in-oil-in-w...
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WO/2018/208397A1 |
A tubular for reservoir fines control includes a body having an outer surface and an inner surface defining a flow path. A plurality of openings are formed in the body connecting the outer surface and the flow path. A material mesh is ov...
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WO/2018/209044A1 |
A plugging apparatus adapted to plug service lateral openings in the interior of a pipe and a method of plugging service lateral openings, the plugging apparatus having a housing, transport mechanisms mounted to said housing, the transpo...
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WO/2018/209365A1 |
The invention provides a rock anchor assembly which includes: a resiliently radially deformable tubular member which longitudinally extends between a leading end and a trailing end and which has an arrestor formation integral with, or en...
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WO/2018/206002A1 |
Disclosed is a pile driver chain-type drill, comprising a chain rack (1a). The chain rack (1a) is provided with at least one chain-type carrier. The chain-type carrier is provided with several cutting teeth (3). An outer end of the cutti...
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WO/2018/206628A1 |
A friction rock bolt assembly to frictionally engage an internal surface of a bore formed in rock strata. The rock bolt comprises an expander mechanism having at least two radially outer wedge elements engageable by an inner wedge elemen...
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WO/2018/208296A1 |
A method for estimating a property of an earth formation is provided. At least one porosity dataset is received. The porosity dataset is analysed to determine pore-throat size distribution. A NMR measurements dataset is received from a N...
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WO/2018/209063A1 |
The present invention provides a multi-layer barrier assembly or device for post- installation injection of a resin, grout, or other fluid fluid. The barrier device comprises first and second layers defining an intermediate open-matrix l...
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WO/2018/208503A1 |
A sealing system connecting first and second tubular members includes a first curvilinear sealing surface on the first tubular member and a second curvilinear sealing surface on the second tubular member. Both the first and second curvil...
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WO/2018/209248A1 |
The application is directed to a system and method for hydraulic fluid delivery including the delivery of high pressure fluid in hydraulic fracturing operations. The system of this application is operationally configured to reduce the fo...
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WO/2018/204973A1 |
A vertical or block chain connector (10) for linking between two closed chain links (15) comprises a lower element (12) and an upper element (14) configured to engage with the lower element (12) to form the chain connector in an assemble...
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WO/2018/208281A1 |
A system and method of evaluating a subterranean earth formation using a statistical distribution of formation data. The system comprises a logging tool and a processor in communication with the logging tool. The logging tool comprises a...
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WO/2018/208438A1 |
The present invention relates to an in situ bitumen recovery process from oil sands. Specifically, the present invention involves the step of treating oil sands with an alkanolamine having a hydrophilic-lipophilic balance factor (HLB-fac...
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WO/2018/208280A1 |
The disclosed embodiments include devices and methods to perform inversion processing of well log data. In one embodiment, a method to perform inversion processing of well log data includes obtaining an initial model of an earth formatio...
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WO/2018/206630A1 |
A friction rock bolt assembly to frictionally engage an internal surface of the bore formed in rock strata. The rock bolt comprises a loading mechanism provided at a rearward end of the rock bolt having a load absorber to absorb an initi...
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WO/2018/209219A1 |
An apparatus for detecting a location of an optical fiber having an acoustic sensor disposed subsurface to the earth includes an acoustic emitter configured to emit a first signal having a first frequency and a second signal having a sec...
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WO/2018/206976A1 |
A sealing element (10) for use in a fluid-carrying pipeline (16) comprising a substantially central core (14) surrounded by a coating (12). The outer coating (12) is adapted to perform a partial extrusion through an opening (15) in a pip...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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