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WO/2019/209742A9 |
Embodiments of the present disclosure are directed towards a method for improving neutron interpretations in a subsurface formation. Embodiments may include estimating mineral concentrations and kerogen concentrations at one or more dept...
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WO/2020/249677A1 |
Double-walled tube section for constructing a double-walled tube segment suitable for underpressure applications such as an evacuated tube transport system.
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WO/2020/251978A1 |
A system mounted on a skid for use in fracturing operations is disclosed along with an associated method. The system includes a line heater on the skid to enable heating of fuel to be used with a turbine generator and includes one or mor...
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WO/2020/251522A1 |
A well system including a wellbore having a casing string with casing collars, is provided. The well system includes a differential casing collar locator (DCCL) tool having: a first sensor with a first permanent magnet of a first polarit...
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WO/2020/250893A1 |
[Problem] The invention addresses the problem that, while issues exist in the production of sand-layer type methane hydrate such as stratum consolidation and sand production, existing stabilization techniques have insufficient effects fo...
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WO/2020/251578A1 |
A downhole treatment system, apparatus, and methods are disclosed. In some embodiments a treatment apparatus includes a first conduit configured to transport a first fluid from a first fluid source through a first enclosed channel to a f...
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WO/2020/251803A1 |
An example method for performing a time synchronization among a plurality of electronic components within a bottom hole assembly (BHA) includes modifying a preamble of a digital signal by adding symbols to the preamble of the digital sig...
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WO/2020/251940A1 |
A technique facilitates anchoring between tubular structures in various well applications. The technique may utilize a load anchor having a radially expandable mandrel with an interior passage. Circumferential biasing members are mounted...
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WO/2020/250025A1 |
This application relates to systems and methods for stimulating hydrocarbon bearing formations using a hybrid downhole tool that uses a high power laser and chemicals.
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WO/2020/248596A1 |
A protection structure for preventing ground heave caused by tunnel grouting reinforcement and a grouting method, relating to the technical field of geotechnical engineering, civil engineering and municipal engineering, and comprising a ...
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WO/2020/252021A1 |
A technique facilitates downhole operations, e.g. gravel packing and cementing operations, in a borehole. According to an embodiment, a service tool is releasably coupled with respect to a casing. The casing is used to run the service to...
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WO/2020/251363A1 |
An apparatus for protecting an underwater structure. The apparatus comprises a flexible, non-permeable first sheet configured to cover at least a portion of the underwater structure, wherein the first sheet is further configured to be re...
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WO/2020/251641A1 |
A valve poppet assembly comprising a valve stem, a poppet insert retainer, and a poppet seat, wherein, in an assembled configuration, the valve stem extends along a central axis through the poppet insert retainer and the poppet seat, and...
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WO/2020/252177A1 |
An assembly having a coupling component and a poppet is disclosed. The coupling component has a first end. The first end has an opening extending into the coupling component, such that the coupling component has a sidewall extending arou...
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WO/2020/251560A1 |
Dynamic pressure wave propagation can be used in pipelines to provide information about the available, unobstructed diameter and any partial or complete blockages in the pipeline. Based on this information, a system can automatically det...
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WO/2020/251640A1 |
A pump fluid end comprising: a reciprocating element disposed at least partially within a reciprocating element bore of the pump fluid end; a discharge valve assembly; a suction valve assembly coupled with a front end of the reciprocatin...
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WO/2020/251538A1 |
A perforating system and method includes a perforating gun with shaped charges and an orientation device. The orientation device provides an orientation datum. Sensors associated with the perforating gun detect relative alignment of each...
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WO/2020/250024A1 |
This application relates to systems and methods for stimulating hydrocarbon bearing formations using a downhole laser tool.
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WO/2020/251535A1 |
A method includes acquiring an image of a cutter on a drill bit, determining a cutter dull condition based on the image of the cutter using a machine-learning method, wherein the machine-learning method is trained using a set of training...
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WO/2020/252494A1 |
Disclosed is a compressor system suitable for carrying out artificial gas lift operations at an oil or gas well. Also disclosed is a method for controlling the compressor system. The methods disclosed provide the well operator with the a...
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WO/2020/249027A1 |
A temperature-controlled automated online drilling fluid rheology measurement apparatus, relating to the field of drilling fluid rheology measurements. The apparatus comprises a pump (1), a heating means (2), a flow meter (3), and two re...
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WO/2020/250006A1 |
A method of extracting natural gas from an underground storage formation and has the steps of: (a) recovering natural gas stored in a first underground formation at a first pressure to the ground surface and forming a first natural gas f...
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WO/2020/251820A1 |
For a wellbore drilled in low or subnormal pressure reservoirs, a static loss rate of drilling fluid is monitored within a limit of a drilling rate. Reaching the limit, the annulus is closed off to returns, or the annulus remains open to...
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WO/2020/251586A1 |
A system includes a tubing positionable within a wellbore and a first downhole communication device positionable to receive acoustic signals from the tubing and to transmit acoustic signals to the tubing. The system also includes a compu...
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WO/2020/251821A1 |
A data acquisition system for monitoring a subsea BOP stack, the BOP stack including a blue control pod and a yellow control pod for operating the BOP stack, the system including an umbilical having a first end and a second end and a ree...
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WO/2020/245622A1 |
The present invention relates to the use of at least one compound of formula (I): (I) [P+(R1-Y-R2)4]zXz- wherein: Y is chosen from an oxygen atom or an NH group; R1 is a linear or branched alkyl radical having from 1 to 15 carbon atoms; ...
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WO/2020/247507A1 |
A radial flow oil shale retort (100) can include a central heating fluid conduit (118) having a permeable outer wall (132) and an outer heating fluid annulus (116) positioned about the central heating fluid conduit (118), the outer heati...
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WO/2020/246541A1 |
The purpose of the present invention is to provide a drilling fluid that has excellent cutting transportability and hole cleaning capability and places little burden on the environment.　Disclosed is a drilling fluid comprising water, b...
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WO/2020/246954A1 |
Defining flow control device configurable positions include executing a reservoir simulator on a reservoir model to obtain a collection of flow control device settings defined in continuous space. For each number of multiple numbers of c...
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WO/2020/244665A1 |
Disclosed is a rotary steering well-drilling tool based on a bit pressure steering transmission structure, belonging to the technical field of well-drilling devices. The rotary steering drill tool comprises a bit pressure steering transm...
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WO/2020/246896A1 |
A valve arrangement (1) for injection of an injection fluid in a process fluid tubing, comprising an inlet part (3) connectable to an injection fluid source, an outer housing (10) that is connectable to a process fluid tubing and compris...
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WO/2020/247342A1 |
Methods and systems for determining a property of a tubular are described. Measurement data of cross-sectional shapes of the tubular at a plurality of depth positions is provided. A three-dimensional mesh representing the tubular based o...
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WO/2020/245408A1 |
A method of retrofitting an existing offshore drilling vessel for performing subsea wellbore related activities along a vertical firing line, wherein the existing offshore drilling vessel has a floating hull provided with a moonpool, and...
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WO/2020/244406A1 |
A splitting rod (5) of a rock splitting machine, wherein the main body of the splitting rod (5) is made of a flexible material. In operation, pressurized liquid acts on the inside of the flexible splitting rod (5), and the splitting rod ...
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WO/2020/245223A1 |
A cutting element (30) includes a substrate (40) having a peripheral side edge, the peripheral side edge having an associated radius of curvature; and a body of superhard polycrystalline material bonded to the substrate along an interfac...
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WO/2020/244136A1 |
Disclosed is a water drainage and dust removal device for a gas extraction pipeline, comprising: a gas collection mechanism, a dust removal mechanism, and a water drainage and dust removal mechanism (7). The gas collection mechanism comp...
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WO/2020/208006A3 |
The invention relates to formwork for producing concrete tubbing (500) for a tunnel lining system, with a concrete tub to receive a volume of concrete required to produce the tubbing and, if necessary, to receive the intended reinforceme...
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WO/2020/244671A1 |
Disclosed is a hybrid rotary steerable drilling system capable of easily deflecting, comprising a front bearing main body (1), a weight on bit and torque deflection transfer pup joint (2) and a deflection control system (3), wherein the ...
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WO/2020/245165A1 |
A cutting element (30) includes a substrate (40); and a body of superhard polycrystalline material (34) bonded to the substrate (40) along an interface, the body of superhard polycrystalline material having a peripheral side edge (42). T...
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WO/2020/243919A1 |
Disclosed are a mining machine and a mining method applicable to fluidized mining. A first mining device (10) of the mining machine is provided on the head with a microwave transmitting mechanism (101), a liquid jet drill rod (105) and a...
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WO/2020/245882A1 |
The present invention uses a simple method to prevent cement slurry and a hardening accelerator from coming into contact with each other within a cementing tool. This cement slurry supplying method comprises: adding capsules C filled wit...
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WO/2020/247579A1 |
A method includes determining a present-day thickness of a lithosphere. The method also includes determining whether the determined present-day thickness of the lithosphere substantially matches an interpreted present-day thickness of th...
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WO/2020/244895A1 |
A single use setting tool (100) for actuating a tool (102) in a wellbore includes an inner piston (104) extending through a central bore of an outer sleeve (120). The inner piston (104) has a seal adapter portion (107) and a piston cavit...
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WO/2020/244677A1 |
A freezing construction method for a connecting passage. The method comprises: distributing a plurality of freezing holes, a plurality of temperature measurement holes, and a plurality of pressure relief holes at either end of a connecti...
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WO/2020/247621A1 |
A system and method for specifying a composition for a frac fluid including varying crosslinker concentration and high-temperature stabilizer concentration to determine a discrete fracture network (DFN) and hydrocarbon production correla...
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WO/2020/247923A1 |
A threaded pipe connection includes a first tubular member having a pin end defining external threads, a second tubular member having a box end defining internal threads threadably engageable with the external threads of the pin end, and...
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WO/2020/243767A1 |
There is disclosed a device for boring holes in a ground surface comprising: a core barrel having a barrel top and an open barrel bottom, the barrel top having a shaft mounted thereto for engaging with a rotary power source for rotating ...
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WO/2020/243797A1 |
A bore hole measurement system comprises a cable comprising spaced apart embedded elements along a length of the cable; a sensor for detection of the elements as they move relatively past the sensor; and a processor for determining the d...
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WO/2020/243908A1 |
A vehicle-mounted system for a tunnel construction vehicle, comprising: a vehicle-mounted collection apparatus (11), a vehicle-mounted terminal (12) and a vehicle-mounted micro base station (13), wherein the vehicle-mounted collection ap...
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WO/2020/244303A1 |
A porous medium artificial borehole wall for preventing mudstone layer mud from being produced or channelled. The artificial borehole wall is a tubular cavity structure that as a whole has the same shape as a shaft; the outer side of the...
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