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Patent Searching and Data


Matches 151 - 200 out of 143,158

Document Document Title
WO/2018/171255A1
Disclosed is a networked preferential gas migration passage (17) construction and gas diversion drainage method, applicable to active construction of a networked fracture passage inside a ceiling (13) where a hard ceiling (14) covers a c...  
WO/2018/170952A1
Disclosed is an oil hydraulic control valve device, comprising a base (1), an oil inlet pipe (2), a pipe body (3), a flange cover (4), a nut (5), a fastening screw (6), an oil pressure meter (7), a switch plug (8), a control valve (9), a...  
WO/2018/175608A1
A screen connection area assembly configured to mount between adjacent sand screens of a gravel pack string including a body attachable to a screen connection area between two adjacent sand screens of the gravel pack string, the body con...  
WO/2018/175404A1
A compressive load is exerted with a test apparatus across a rock sample that has a specified length-to-diameter ratio. A strain on the rock sample is measured during the compressive loading with a strain gauge. A mechanical property of ...  
WO/2018/175763A1
Methods and systems for determining tracer breakthrough from multiple wells commingled at a Gas Oil Separation Plant (GOSP) are provided. An example hydrocarbon reservoir monitoring method includes periodically sampling fluid carried by ...  
WO/2018/172946A1
The present invention relates to the extraction systems in the oil sector, in particular to the equipment intended for the completion of the wells after their drilling; more in particular, the present invention relates to a safety valve ...  
WO/2018/172497A1
Subsea produced water separation system comprising a flexible and collapsible membrane tank (2) with a separation volume, a mechanical support structure (3); and a produced water inlet (4), a hydrocarbon outlet (14), a gas outlet (19), a...  
WO/2018/171254A1
Disclosed is a stepped-type construction method for a preferential gas migration passage of a coal seam stope, particularly applicable to gradual construction of a gas migration passage inside and outside stope coal and rock mass of a de...  
WO/2018/174718A1
A method is described for making an opening (100) through a casing pipe (12) in a well (10) in which equipment is tipped to cut out the opening and cut out pieces from the pipe wall are captured, and also that a drill wedge is fitted in ...  
WO/2018/175729A1
A system for producing hydrocarbons from a subterranean well includes an electrical submersible pump assembly with a pump, intake, protector, and motor. A production tubing is in fluid communication with the electrical submersible pump a...  
WO/2018/172900A1
A coupling system (12) between a riser (2) and an underwater supporting structure (10), comprises a coupling seat (13) and a coupling head (14) which can be inserted in the seat, a pull connector (16), which constrains the head (14) to t...  
WO/2018/175508A1
A technique facilitates recovery of hydrocarbon fluids such as oil. A well system comprises a completion system having an upper completion, a lower completion, and an inductive coupler. Additionally, the overall well system may comprise ...  
WO/2018/175069A1
A method of manufacturing a gripping element can include depositing a gripping element material, and thereby gradually building up the gripping element and forming a gripping surface thereon, the gripping surface being configured to grip...  
WO/2018/175862A1
Mitigating corrosion and surface scale formation in a sour gas well includes providing an oil-based liquid to a sour gas well having carbon steel tubing (112) with iron sulfide on a surface of the carbon steel tubing (112), contacting th...  
WO/2018/175867A1
The invention relates to a system and method for alloy-based molten material to be delivered to the multilateral junction, wherein the molten materials, such as a eutectic or non-eutectic alloy, is flowed into the junction area and forms...  
WO/2018/175456A1
A coupling for joining a downhole pump to a sucker rod string is disclosed. The coupling includes a core having a first end, a central portion, and a second end. The first end and the second end each have an end surface. The first end ta...  
WO/2018/172303A1
The present invention relates to a downhole sensor system, comprising a plurality of sensor units forming a mesh network, providing for a reliable data path even though at least some of the sensor units are out of range from the data col...  
WO/2018/171067A1
A mining system of a marine non-diagenetic natural gas hydrate reservoir and a mining process are disclosed. The system comprises a drilling platform (1), a shaft access channel (2), and a main production channel (3) all sequentially con...  
WO/2018/174900A1
Systems and methods for noise cancellation in electromagnetic telemetry systems. A method for noise cancellation in electromagnetic telemetry may include: disposing an electromagnetic tool in a lateral section of a wellbore, wherein the ...  
WO/2018/170830A1
Disclosed is a method for increasing the production of coal bed gas by injecting high temperature air into the coal bed. The method includes injecting high temperature air into a coal bed from one or more gas injection wells, wherein the...  
WO/2018/172796A1
A system of installing a telemetry cable 15 in a drill string 5, the drill string comprising a plurality of drill pipe sections, the drill string having a drill pipe electrical connector at the bottom of the drill string, an electrical w...  
WO/2018/175016A1
A seal for a blind shear ram is configured to extend between a first carrier and a second carrier of the blind shear ram. The seal includes a curved portion and an elastic layer extending through the curved portion. The elastic layer is ...  
WO/2018/176024A1
A method and downhole tool is provided that uses beamforming to localize acoustic energy at a desired zone-of-interest within a wellbore traversing a subterranean formation. The tool has an array of transmitter elements configured to emi...  
WO/2018/173662A1
The present invention provides a concrete exfoliation prevention structure that is environmentally-friendly, has high strength, and provides good workability. This concrete exfoliation prevention structure comprises: an undercoat layer t...  
WO/2018/172300A1
The present invention relates to a downhole drilling system, comprising: a drill string having a drill head configured to drill a borehole having a borehole wall forming an annulus between the drill string and the borehole, a plurality o...  
WO/2018/175706A1
A flowback filter system includes a system inlet (106), a system outlet (108), a filter vessel (102, 104, 200, 304, 306) that includes a removable filter insert (250), an inlet control valve (110a/b, 302) that provides selective fluid co...  
WO/2018/174842A1
A method of cementing a wellbore comprises injecting into the wellbore a cement slurry comprising an aqueous carrier, a swellable nanoclay, and a solid delayed releasing divalent inorganic salt comprising calcined magnesium oxide, calcin...  
WO/2018/170551A1
Provided is an actuator cap for an aerosol canister that includes a base that defines a longitudinal axis and is for engaging an end portion of the aerosol canister, a control member hingedly mounted to the base at a pivot point, and a f...  
WO/2018/174902A1
The present invention provides a dissolvable bridge plug, and relates to the technical field of downhole tools. The dissolvable bridge plug is designed for temporarily plugging an oil and gas wellbore, and comprises a mandrel, a rubber t...  
WO/2018/171812A1
A fracture cave-type reservoir oil/water selective self-expanding rubber plugging agent, a preparation method therefor, and an application thereof. The plugging agent comprises the following raw materials, in parts by weight: 100 parts o...  
WO/2018/176057A1
A system for offline suspension of a tubular including a first well having a first wellbore and a cellar formed at the surface of the first well with a rig movable from the first well to a second well. Additionally, a tubular string exte...  
WO/2018/175142A1
A resin coated proppant capable of self-bonding at temperatures as low as 70° F0° (∼21° C) is made from an aqueous dispersion of a self-bonding vinyl aromatic/acrylic ester addition copolymer.  
WO/2018/175394A1
A wellbore is drilled in a formation using a drill string assembly DSA (100) that includes a drill string (114). A drill bit (116) is connected to a downhole end of the drill string (114). A notching tool (104) is connected to the drill ...  
WO/2018/172843A1
This disclosure may generally relate to drilling operations and, more particularly, to systems and methods for cleaning a drilling fluid as it travels back to the surface from a wellbore. An apparatus may comprise a magnetic body (208) h...  
WO/2018/175920A1
A radiator (RAD) enhanced geothermal system (EGS) may comprise a radiator vane heat exchanger (RVHE). The RVHE may be configured to be located in a plane defined by an injector well and a production well that is defined by a principal st...  
WO/2018/171346A1
A digging apparatus (10, 300) is disclosed. The digging apparatus(10,300) includes a handle assembly (14, 14a, 314), a motor (32), a main switch (22, 322) electrically connected with the motor(32). The main switch(22,322) is movable betw...  
WO/2018/175718A1
A system for producing hydrocarbons from a subterranean well includes an electrical submersible pump assembly with a pump, intake, protector, and motor. A production tubing is in fluid communication with the electrical submersible pump a...  
WO/2018/172301A1
The present invention relates to a downhole completion system for completing a well having a borehole, said downhole completion system comprising a well tubular metal structure arranged in the borehole forming an annulus and comprising a...  
WO/2018/172529A1
A method for providing a deck surface on an offshore drilling rig (10) comprising installing a modular deck structure (42) comprising a plurality of deck modules (43a, 43b) over at least a portion of a vertical riser storage bay (32) pro...  
WO/2018/170438A1
Apparatus and methods for rapidly detecting, localizing, imaging, and quantifying leaks of natural gas and other hydrocarbon and greenhouse gases. Scanning sensors, scan patterns, and data processing algorithms enable monitoring a site t...  
WO/2018/170323A1
A measurement system and a method for determining steam quality (i.e. vapor mass fraction) measurements of multiphase fluid flowing through pipes are described. An acoustic sensor device consists of an acoustic transmitter and an acousti...  
WO/2018/168530A1
Provided is a lost circulation material capable of temporarily sealing wide fractures even in a high temperature environment. Specifically provided is a lost circulation material for sealing the walls of a well, wherein the lost circulat...  
WO/2018/170004A1
A method of controlling a gas vent system to vent gas from a wellbore that includes a substantially horizontal portion. The method includes determining an initial operating mode of the gas vent system; generating one or more control sign...  
WO/2018/169912A1
A high temperature downhole power generating device includes a power generator (102) including a first material of one polarity and a second material that is fixed in position and is of opposite polarity of the first material, wherein th...  
WO/2018/169897A1
A system for wirelessly monitoring well conditions includes a set of wireless transceivers placed along a drill string inside a well, each transceiver placed within at least half the maximum distance that each transceiver can transmit da...  
WO/2018/170082A1
A determination of the free water level for a hydrocarbon-bearing reservoir is provided that accounts for the different classified rock types (that is, facies) in the reservoir. The free water level for each unique combination of facies ...  
WO/2018/170065A1
A method of extracting hydrocarbons from a wellbore formed in a subterranean rock formation. The wellbore includes at least one fracture extending therefrom. The method includes forming a particle-free treatment fluid that includes an un...  
WO/2018/170266A1
Methods are disclosed for refurbishing an existing host pipe. According to presently preferred embodiments, a first phase is to make a longitudinal cut in the host pipe. A second phase is an expansion phase, wherein the host pipe is expa...  
WO/2018/169694A1
The present disclosure provides a modular insert float system (2) that can be inserted into a casing (8) and attached to the casing internal surface by internal slips and sealing components (100). The system is modular in that three main...  
WO/2018/169741A1
Earth-boring tools may include a body, blades extending outward from the body, and cutting elements secured to the blades. An entirety of a first blade may exhibit a first, constant or continuously variable radius of curvature different ...  

Matches 151 - 200 out of 143,158