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Patent Searching and Data


Matches 701 - 750 out of 145,946

Document Document Title
WO/2019/071755A1
Disclosed are a measurement-while-drilling method and device for assessing outburst risk of a coal seam applicable to prediction of outburst risk and evaluation of gas drainage performance. The device comprises a compartment (20), a pres...  
WO/2019/074623A1
A controller system, comprising: a controller configured to control toward a desired process value, an arrangement to repetitively measure a value of the desired process value; wherein the controller is configured to execute a routine th...  
WO/2019/074837A1
The embodiments described herein generally relate to methods and chemical compositions for fracturing fluid applications. In one embodiment, a fracturing fluid composition is provided comprising a fracturing fluid and an additive composi...  
WO/2019/075013A1
A device for lifting tubulars includes at least a first lifting device having a base, a mast affixed to the base and a main boom having an attached end and a free end. The attached end of the main boom is pivotally affixed to a respectiv...  
WO/2019/075124A1
A method of validating a directional survey includes measuring the gravity and magnetic field vectors using a surveying tool and computing an overall statistical distance of the measurement. The statistical distance may be calculated fro...  
WO/2019/073200A1
A downhole apparatus (10) comprises a housing (12), a seat (20) mounted in the housing (12) and configured to receive an object (22) such that the object may engage and axially move the seat (20) to operate the downhole apparatus (10), a...  
WO/2019/075290A1
A bottom hole assembly (BHA) operable to be conveyed within a wellbore extending into a subterranean formation from a wellsite surface via coiled tubing. The BHA may operable to receive a fluid pumped from the wellsite surface via the co...  
WO/2019/075393A1
Systems (100) and methods for heating material through cogeneration of thermal and electrical energy can include a heat source (105) and an electric generator (110) configured to produce hot exhaust gas and electricity. One or more heati...  
WO/2019/074376A1
A system for surge protection of a riser adapted to transport gas from a hydrocarbon production well or for surge protection in a well, the system comprising: a flexible tubing, wherein a portion of the flexible tubing extends into the r...  
WO/2019/074377A1
A method of separating fluid phases in a well or riser. The method comprises: locating an inlet device of a flexible tubing at a substantially horizontal portion of the well or riser, wherein a portion of the flexible tubing extends into...  
WO/2019/075280A1
An adjustable pore size filtration configuration including a first filtration media having openings, a second filtration media having openings, the first filtration media being selectively movable relative to the second filtration media ...  
WO/2019/074488A1
The accuracy of directional surveys may be improved using accelerometers, magnetometers, or both. A control system containing accelerometers is configured specifically to correct errors in bias and gain of each accelerometer by requiring...  
WO/2019/075043A1
An apparatus for lifting, lowering and positioning well servicing apparatus relative to an oil or gas well is disclosed. A tubular main body is mounted in an operative position relative to a wellbore, by a bolted flange, clamp or other m...  
WO/2019/074994A1
A beam pumping unit includes a base, a Sampson post supported by the base, a walking beam pivotably supported by the Sampson post and a horsehead on the front end of the walking beam, The horsehead is connected to a polished rod that ext...  
WO/2019/073123A1
An arrangement and method for installing a casing. The arrangement (100) comprises a casing (1 ), a bar part (2) adapted rotatable inside the casing, the arrangement further comprising a borer (6) which comprises a blade part (15) to rel...  
WO/2019/074657A1
A method and system are described for communicating within a system, which may be along tubular members. The method includes constructing a communication network for tubular member, such as a wellbore accessing a subsurface region or a p...  
WO/2019/072542A1
In a tool (01) for loosening soil, in particular for loosening a seabed, having an axle (02) and having an outer body (04) rotatably mounted on the axle (02) and forming, with the axle (02), an annular space (28) for receiving a lubrican...  
WO/2019/074741A1
Embodiments disclosed herein describe a cartridge with a permeable material configured to be positioned within a frac sleeve, wherein the permeable material is or includes a tracer.  
WO/2019/073289A1
The present invention relates to a method for producing fluids or gases from a horizontal well 10, the method comprising the steps providing a horizontal well 10 having a horizontal production openhole 20, dividing the horizontal product...  
WO/2019/074653A1
A method including: providing a downhole wireless communication network along a well casing or tubing; providing a plurality of downhole seismic receivers along a well casing or tubing; providing a seismic source; obtaining vertical seis...  
WO/2019/075076A1
The present invention provides a method and apparatus for increasing the drift diameter and improving the well path of the wellbore, accomplished in one embodiment by cutting away material primarily forming surfaces nearer the center of ...  
WO/2019/071933A1
Disclosed are a silty marine gas hydrate gravel stimulation exploitation method and device. According to the exploitation method, by filling the empty of a replaced stratum by alternately performing gravel injection and depressurization ...  
WO/2019/072728A1
The invention relates to an electrohydraulic system having an adjustment apparatus (1) for a valve (2), having a drive device (3), an actuating device (4) and a pre-tensioning device (5), wherein, in the event of a malfunction, the energ...  
WO/2019/014548A9
A method for mitigating a fluid flow from a target wellbore using a relief wellbore includes receiving wellbore geometry information of the target wellbore, receiving an initial interception point of the target wellbore, simulating a cha...  
WO/2019/074654A2
A method and system are described for using different types of communication networks along one or more tubular members. The method includes constructing a communication network along one or more tubular members, which may access a subsu...  
WO/2019/071357A1
The invention provides a depth discrete multi-level downhole system for discrete multi-level groundwater testing and management which is easily manufactured from inexpensive materials for incremental installation, long term viability and...  
WO/2019/075003A1
A method sequence for handling tubulars into or out of a wellbore, the method comprising: moving a tubular string into or out of a wellbore via a top drive; moving tubular stands to and from a setback position and a stand handoff positio...  
WO/2019/074591A1
An isolation plug including a support element having a first end, a second end, and an intermediate portion extending therebetween. At least one flexible wiper element is arranged at the first end. A frangible locator element is arranged...  
WO/2019/074658A1
A method and system are described for wirelessly communicating within a wellbore. The method includes constructing a communication network for a wellbore accessing a subsurface region and using the communication network in hydrocarbon op...  
WO/2019/075019A1
A solid lubricant is provided for lubricating a threaded connection such as a drill pipe connection. A dry lubricant or solid lubricant is formed into a shaped structure adapted for being received at a connecting end of a tubular, such a...  
WO/2019/074390A1
An immersible ultrasonic transmitter consists of an end element of a first type (1), an end element of a second type (15) and at least one transmitting member (2). The end element of the first type (1) comprises a first cylindrical trans...  
WO/2019/075115A1
A new water treatment system for SAGD operations is disclosed. Instead of treating both produced water and recycled water using warm lime softening systems, the recycled water is combined with saline water in a cold lime softening system...  
WO/2019/074835A1
A large-gap-seal ("LGS") assembly (30) and methods for its assembly and use are described. The LGS assembly (30) has an elastomer core (50) surrounded by adjoining structural segments (70). Non-adjoining gap segments (60) are located on ...  
WO/2019/075126A1
Methods and apparatus for releasing a lead mill of a BHA from a whipstock in a wellbore include slideably releasing the BHA from the whipstock without relative rotation and without destruction of a retractable bolt. A system includes: a ...  
WO/2019/074699A1
A method can include latching a well pressure control device releasable assembly in an outer housing, and then rotating a tubular string, thereby disengaging an engagement lug from an engagement profile. A well system can include a press...  
WO/2019/074712A2
Systems and methods for utilizing performance based condition monitoring to determine health condition of wellsite equipment. A method may include operating a piece of equipment at an oil and gas wellsite by performing a plurality action...  
WO/2019/071756A1
Disclosed are a measurement-while-drilling method and device for obtaining a coal seam gas parameter applicable to measurement of a coal seam gas/coal seam methane parameter while drilling and evaluation of gas drainage performance. The ...  
WO/2019/074698A1
A method can include positioning a tubular string in a riser string including an outer housing of a pressure control device and an annular seal operable to prevent flow through an annulus between the tubular and riser strings, the tubula...  
WO/2019/074592A1
A valve arrangement including a housing having a port, a closure member defining a bore, the bore being of a smaller flow area than an adjoining flow area to produce a lower pressure in flowing fluid therein than pressure in fluid flowin...  
WO/2019/073240A1
The present invention relates to devices and methods for transporting a Blow Out Preventer (BOP). A device for transporting and installing a BOP stack for a land-based drilling rig, comprises: a skid for transporting a BOP stack in a sub...  
WO/2019/074818A1
A gun cleaning apparatus includes a central member and a plurality of disc mandrels. The central member passes through a hole in each of the disc mandrels. The plurality of disc mandrels is stacked adjacent to one another on the central ...  
WO/2019/074374A1
A downhole device (8; 9) for installation in a petroleum well (1), comprising a sensor (11), a controller (12) and a power source (15). The device (8; 9) further comprises an acoustic speaker(13) configured tooutputa sound signal from th...  
WO/2019/074797A1
Systems and methods for performing field-wide downhole operations, the field having a plurality of wells. Methods include obtaining, at a computing system, a reference data set associated with the field, the reference data set including ...  
WO/2019/075297A1
Systems and methods for delivering detailed information about physical properties, including inflow data, in a downhole of a well to the surface without the need of providing cabling to the downhole are presented. Such information can be...  
WO/2019/074656A1
A method and system are described for wirelessly communicating within a wellbore. The method includes constructing a communication network (e.g., which uses aliased signals as part of the configuration) for a wellbore accessing a subsurf...  
WO/2019/071333A1
Mobile system for the compression of a fluid for use in oil operations, said mobile system comprising: - a trailer adapted for the transport of a fluid compression unit fixedly mounted thereon, said trailer being adapted for transport on...  
WO/2018/106389A8
Various downhole logging tools and methods of using and making the same are disclosed. In one aspect, a downhole logging tool (10) for inspecting one or more well tubulars (20, 35, 40) includes a housing (60) adapted to be supported in t...  
WO/2019/072899A2
A system for processing acoustic data to identify an event comprises a receiver unit comprising a processor and a memory, where the receiver unit is configured to receive a signal from a sensor disposed along a sensor path or across a se...  
WO/2019/074731A1
A re-fracturing method using a perforating gun system in a multistring wellbore casing with an inner well casing installed in an outer well casing. The charges in the perforating system includes include a case, a liner positioned within ...  
WO/2019/074472A1
Extracting and separating solid particulates from a drilling fluid includes combining a stream of drilling fluid containing solid particulates with a liquefied gas to form a mixture having a reduced viscosity and/or density. The mixture ...  

Matches 701 - 750 out of 145,946