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Patent Searching and Data


Matches 601 - 650 out of 141,229

Document Document Title
WO/2018/022060A2
Provided is an anti-rotation system and method of operating a downhole tool. The anti-rotation system, in one embodiment, includes a housing defining a longitudinal axis, and a carriage mounted within the housing, the carriage including ...  
WO/2018/022040A1
Provided are methods for propping a fracture. An example method comprises providing a treatment fluid comprising a polyester, a water-miscible solvent, and a proppant and then pumping the treatment fluid through an aqueous fluid within a...  
WO/2018/020175A1
The present invention concerns a method for treating the production water originating from enhanced hydrocarbon recovery, and containing one or more hydrosoluble polymers and Fe2+ ions, consisting of at least partially oxidising the Fe2+...  
WO/2018/019853A1
Described are a device and method for determining the mechanical properties of an underwater bottom. The device comprises a support frame which provides a fixed support relative to an underwater bottom; and also means for carrying the su...  
WO/2018/020166A1
The invention relates to a method for determining the integrity of a plug (12) plugging an oil well (10), the method comprising the following steps: – numerically modelling at least one structural characteristic of the plug (12), over ...  
WO/2018/018865A1
A method and device for recognizing a thief zone in an oil pool. The method comprises: calculating a single reservoir stratum unit thickness output contribution value and a relative contribution coefficient of each reservoir stratum in o...  
WO/2018/020400A1
A lighting system for a drilling rig including a lighting frame attachable to a crown of the drilling rig, wherein the lighting frame includes a fixed or adjustable frame portion attached to the crown of the drilling rig and a light bear...  
WO/2018/022693A1
The transport and suspension of proppant in a fracturing fluid used to fracture a subterranean formation is improved by incorporating a buoyant additive into a carrier fluid that also comprises a proppant. The buoyant additive has a surf...  
WO/2018/022743A1
A system, method, and seal assembly for sealing between two devices. The system comprising a first device, a second device, and a seal assembly, which is configured to seal between the first device and the second device. The seal assembl...  
WO/2018/022367A1
System for mud logging characterized by: a primary gas trap which receives a first amount of drilling mud and is operable to extract hydrocarbon gas from the first amount of drilling mud; a secondary gas trap which receives a second amou...  
WO/2018/022079A1
A formation-tester tool may be positioned downhole in an openhole wellbore. The formation-tester tool may suspend proppant in fracturing fluid located in a chamber of the formation-tester tool. The formation-tester tool may generate a te...  
WO/2018/022045A1
System and methods of controlling diverter placement during stimulation treatments are provided. Data relating to at least one downhole parameter is obtained for a current treatment stage within a subsurface formation. A response of the ...  
WO/2018/018105A1
The present invention relates to a modular storage box system for storing core samples (1) in modular boxes (C), used in particular in the field of mineral sampling from geological exploration activities for subsequent analysis. The modu...  
WO/2018/018088A1
A method for installing a spoolable coil in a well, the spoolable coil including a power cable, pipe or elongate member, the method comprising the steps of: Introducing the spoolable coil into the well and forming a seal against the spoo...  
WO/2018/020221A1
The invention relates to a clamp arrangement (40), and associated method, for restricting movement of buoyancy on a drilling riser (20). The clamp arrangement is bondable with a conduit and comprises first and second clamp members (10, 3...  
WO/2018/019434A1
The invention relates to a method for freezing ground areas bordering a shaft (10) by means of a liquefied gas (F). The liquefied gas (F) is provided in a supply container (21) positioned outside the shaft (10), and is fed from the suppl...  
WO/2018/023022A1
Methods, systems, devices, and products for formation evaluation. Methods include automatically characterizing an acoustic reflective boundary in the earth formation by: generating a plurality of multipole acoustic signals within the bor...  
WO/2018/018142A1
Apparatus and methodologies are provided for modifying the wellhead structure of a production well to seal the production well before subterranean fracturing operations. The apparatus includes an enclosure tubular and adapter 5 for seali...  
WO/2018/022200A1
A select fire system and method for controlling operations in a gun string assembly comprising perforating guns and switch subs mechanically connected in the gun string assembly is disclosed. Each of the switch subs further comprises a s...  
WO/2018/022742A1
A control system for a coiled tubing injector for moving a coiled tubing string within a wellbore, the injector including injector motors to power an injector drive mechanism, the injector drive mechanism engaging the coiled tubing to mo...  
WO/2018/022956A1
Methods, systems, and computer readable medium for unsteady-state determination of relative permeability are described herein. An example method can include injecting at least one fluid into a core to obtain a plurality of fixed two-phas...  
WO/2018/022198A1
A technique facilitates pumping of various fluids such as well fluids. An electric submersible pumping system is constructed with an outer housing which contains an integrated pump and motor. The pump may comprise an impeller disposed wi...  
WO/2018/022070A1
A variety of systems, methods and compositions are disclosed. A method may comprise introducing a fracturing fluid into a subterranean formation, wherein the fracturing fluid comprises an aqueous based fluid, a proppant composition, an o...  
WO/2018/022532A1
A system and technique for obtaining two or more distributed measurements from an optical sensing fiber deployed along a desired measuring path are disclosed. Interrogating probes from two or more different distributed measuring systems ...  
WO/2018/018054A1
The invention relates to an anchor-loading device (1) for preloading and/or for checking the preload of an anchor (3) in a longitudinal direction (4) of the anchor (3), which anchor is fastened in a geological formation (2), wherein the ...  
WO/2018/022713A1
A coiled tubing transport unit includes a coiled tubing reel unit, a first mechanism for shifting the coiled tubing reel unit lengthwise along the coiled tubing transport unit, an injector head, and a second mechanism for shifting the in...  
WO/2018/022115A1
A hydraulic fracturing flow simulation method includes identifying a discrete fracture network that partitions a reservoir into porous rock blocks. The method further includes determining a current network state that includes flow parame...  
WO/2018/022770A1
A subsea Christmas tree includes a valve block having a generally axially extending production bore, a first production branch which extends generally laterally through the valve block from the production bore to a side of the valve bloc...  
WO/2018/017948A1
A longitudinally yieldable support for underground roof support includes a first support section with a first elongate outer shell partially filled with a solid compressible filler material and a second support section at least partially...  
WO/2018/017110A1
The embodiments of the present disclosure relate to increasing fracture network complexity within a subterranean formation using a plurality of fluid stages where one or more of such fluid stages utilizes a liquid gas treatment fluid. Th...  
WO/2018/017724A1
A method of controlling drill bit trajectory in a subterranean formation includes receiving drilling parameters for operating a specific bottomhole assembly (BHA), constructing, with a computer processor, a directional drill-ahead simula...  
WO/2018/015739A1
An apparatus (10) for downhole data acquisition and/or monitoring is configured to be disposed within a completion (12) and comprises a hanger (36) configured to latch into a control line spool (38), a retrofit valve (40)for location wit...  
WO/2018/017065A1
A downhole tool for shutting off perforations has upper and lower sealing assemblies. A spacer separates the upper and lower sealing assemblies. The upper and lower sealing assemblies may engage a well above and below perforations to be ...  
WO/2018/017384A1
A fiber delivery system capable of providing cut fiber segments for use in treating an oil and/or gas well (40). The fiber delivery system can utilize bales (12) of a continuous filamentary tow that are transported to the well site from ...  
WO/2018/017930A1
A method may include drilling a wellbore, the wellbore intersecting a shale formation at an interval of the shale formation and casing at least a portion of the wellbore. The method may also include perforating the casing at the interval...  
WO/2018/016996A1
The invention relates to methods of flushing oil and gas condensate wells using liquid and gas. The technical result is the increased productivity of wells. The method comprises installing, in a well, a high-strength tubing string, an an...  
WO/2018/017081A1
The disclosed embodiments include downhole capacitive coupling systems, and methods and apparatuses to provide an electrical connection between two downhole strings. In one embodiment, the system includes a first electrode deployed along...  
WO/2018/015258A1
The invention relates to a device (10) for producing a cavity in a soil from a starting point to a target point along a drilling line for introducing timbering for holding the cavity open having a tunneling head (11), at the outer end of...  
WO/2018/014633A1
The present invention relates to the field of oil extraction engineering. Disclosed are an electric machine driving method and system for a non-conventional work mechanism of an oil extractor. The method proposes using a power frequency ...  
WO/2018/017111A1
Disclosed is a system and method for improving the performance of downhole Distributed Acoustic Sensing (DAS) systems by simultaneous use of co- propagating and counter-propagating Distributed Raman Amplification (DRA). It uses a surface...  
WO/2018/016965A1
A fingerboard latch arrangement (100) has an elongate support member (10), a latch (11), the latch (11) having a closed position and an open position, an activation member (12) connected to and movable longitudinally along the elongate s...  
WO/2018/017482A1
The flow of well treatment fluids may be diverted from a high permeability zone to a low permeability zone within a fracture network within subterranean formation by use of divert system comprising dissolvable diverter particulates and p...  
WO/2018/017128A1
A sacrificial shroud is disposed over a packing element of a downhole packer to provide isolation from incompatible wellbore fluids and to minimize a tendency for swabbing or packer preset due to fluid flow past the packing element durin...  
WO/2018/016964A1
A gripper device (1) for gripping a pipe. The device comprises a support structure (5), a gripper arm arrangement (10) comprising a first gripper arm (12) and a second gripper arm (14), a drive arm arrangement (20) comprising a first dri...  
WO/2018/015224A1
A method for recovering crude oil from a reservoir wherein the reservoir has a temperature in the range of 20 to 150°C and the formation water has a pH of less than 7.5 and a concentration of dissolved hydrogen sulfide of less than 10 m...  
WO/2018/016296A1
Provided are a gas hydrate recovery system and a gas hydrate recovery method with which it is possible to stably operate a gas lift mechanism. A method for recovering gas hydrate by disposing a water-surface facility 5 on water, conveyin...  
WO/2018/015802A1
There is described an apparatus (14) for isolating a well bore (12). The apparatus (14) includes a sealing element (20) which is axially and transversely moveable relative to a sealing element seat (21). An actuator (30) is provided to a...  
WO/2018/014804A1
Disclosed is a wire-driven protection structure of an electric speed reducer (1), the wire-driven protection structure comprising comprising a deformation mechanism of variable length and sliding plates (11), wherein the sliding plates (...  
WO/2018/017073A1
A pump down ring is utilized in a downhole tool for use in a subterranean well. The pump down ring is positioned around the outer surface of a sleeve and is slidably disposed thereon. The pump down ring slidably engages the sleeve so as ...  
WO/2018/017229A1
A milling depth compensation system for milling rock determines a target position of a machine (10), an initial position of the work surface (101), and a target pose of the machine based on the target position of the machine and the init...  

Matches 601 - 650 out of 141,229