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Patent Searching and Data


Matches 301 - 350 out of 151,663

Document Document Title
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...  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2020/250024A1
This application relates to systems and methods for stimulating hydrocarbon bearing formations using a downhole laser tool.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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; ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  

Matches 301 - 350 out of 151,663