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Matches 351 - 400 out of 145,946

Document Document Title
WO/2019/104366A1
A buoyancy module for installing on a member, the member having an axis and a clamp, and the buoyancy module comprising; a first module piece comprising a elongate recess configured to receive the member along its axis, and a secondary r...  
WO/2019/108921A1
System and methods for measuring properties within a subterranean well (10) include a ring assembly (16). The ring assembly includes a structural ring (20) sized with a ring inner diameter to circumscribe a tubular string (14) and a ring...  
WO/2019/108183A1
A drilling operation can be optimized based on feedback provided by density sensors in a flow pipe. The drilling can be in a wellbore penetrating a subterranean formation while circulating a drilling fluid. The sensor can be used to dete...  
WO/2019/108971A1
Emulsion or microemulsion for treating an oil or gas well having a wellbore are provided, and related methods. In some embodiments, the emulsion or microemulsion comprises an aqueous phase; a surfactant; and a non-aqueous phase comprisin...  
WO/2019/108914A1
Systems and methods for moving a tubular string within a subterranean well include a ring assembly. The ring assembly includes a structural ring sized with a ring inner diameter to circumscribe the tubular string and a ring outer diamete...  
WO/2019/105162A1
A microbial modification filling-based coal mining method, comprising the operation steps of performing ground microbial calcification on a filling material, conveying the calcified filling material to a goaf for tamping and filling, and...  
WO/2019/108560A1
A coiled tubing wellbore fluid may include a base fluid; and a crosslinked and branched polymeric fluid loss control agent formed from at least an acrylamide monomer and a sulfonated anionic monomer; wherein the coiled tubing wellbore fl...  
WO/2019/108084A1
A spindle comprises n regulating elements in the form of quick-release sets of vibration dampers mounted in an upper chamber on a shaft above and below axial thrust bearings such as to be capable of preliminarily mutually offsetting the ...  
WO/2019/108317A1
A pressure control device can include a housing assembly, a releasable assembly releasably secured relative to the housing assembly, the releasable assembly being configured to seal against a tubular string extending through the pressure...  
WO/2019/104369A1
An elongate member handling system (la, lb) connected to or connectable to a mast (101) of a rig (100), said handling system (la, lb) comprising a travelling holding assembly (la) for holding an elongate member (tubular or sucker rod - 1...  
WO/2019/108139A1
The apparatus for removing the production pipe (10) in the borehole is mechanically connected by means of BHA to an electrical power supply (12), coolant supply (13), data cable (14) and control unit (15). The equipment (X) is placed in ...  
WO/2019/108394A1
Methods for equalizing flow into a wellbore using consolidated material are described. An unconsolidated material and a consolidation fluid are flowed into a wellbore formed in a hydrocarbon-bearing subterranean zone, and a permeability ...  
WO/2019/105161A1
A bedding borehole-based gas extraction method capable of avoiding air leakage, comprising two stages, i.e., building a main gas extraction system and building an auxiliary gas extraction system: firstly, a main gas extraction pipeline (...  
WO/2019/102095A1
The invention relates to a system for tipping a load (2) which is suspended, on a first end (3) thereof, from a sling (4) of a lifting machine (5), said system comprising a carriage (6) having a pivoting arm (7) on which a second end (13...  
WO/2019/101387A1
The present invention relates to a well tool device (1) comprising a mandrel device (10) having a axial center axis (I), a housing device (20) provided radially outside of the mandrel device (10) and a ratchet system (30). The ratchet sy...  
WO/2019/100137A1
A sliding valve for opening one or more fluid ports in a piping string, having a valve body and a sliding sleeve in a longitudinal bore thereof. The valve body has one or more fluid ports in an uphole portion thereof. The sliding sleeve ...  
WO/2019/071024A4
A plug for sealing a wellbore includes a slip assembly including a plurality of arcuate slip segments, a nose cone coupled to the slip assembly and including a first end and a second end opposite the first end, wherein at least one of th...  
WO/2019/103521A1
A power supply device for tunnel construction, according to one embodiment of the present invention, comprises: a housing; a high voltage bushing provided on the outer surface of the housing and receiving high voltage power; a primary tr...  
WO/2019/071027A4
A tool string disposable in a wellbore includes a plug configured to seal against an inner surface of a tubular string disposed in the wellbore, a setting tool coupled to the plug, including a housing including a central passage, a mandr...  
WO/2019/103777A1
Perforation devices including trajectory -altering structures and methods of utilizing the same. The perforation devices include a magazine, a barrel, a trajectory-altering structure, and an action. The magazine is configured to contain ...  
WO/2019/103630A1
The invention relates to an autonomous drilling machine for the construction of service shafts and open shafts, also known as slots, especially designed to improve efficiency in mining and civil engineering, as well as significantly redu...  
WO/2019/104111A1
A method for conducting well intervention operations includes disposing a combination well intervention apparatus proximate a pressure control apparatus coupled to the wellbore. The apparatus has a pressure control device adapter and at ...  
WO/2019/104322A1
A running tool coupled to a running string and for operational use in a well casing. The running tool having a collapsed and expanded state, a tubular positioned around the centralizer to hold the centralizer in the collapsed state, a re...  
WO/2019/104359A1
The invention provides a washer (10, 10A) made of a composite material which has a plate-like body (12) with a first surface (14) and a second surface (16), a perimeter edge, a central aperture (20) through the body and a yielding zone (...  
WO/2019/103992A1
A procedure and apparatus for cementing and cleaning a reservoir liner (3) comprises installing a reservoir liner using a drill string (4) which extends only as far as the distal end of a cased part (2) of the well, then, using the drill...  
WO/2019/100906A1
A downward filling mining method for an extra-thick coal seam, comprising the following steps: according to a thickness of 2.5-3.5 m, dividing an extra-thick coal seam into complete filling layers (3) and partial filling layers (4), whic...  
WO/2019/102244A1
The present invention relates to a method for determining hydrocarbon production for a reservoir, wherein the method comprises: - determining a projector matrix (Z) based on a Jacobian matrix (201) function of the gridded model, said det...  
WO/2019/103881A1
A frac plug (100) having a mandrel body (200), a cap (105) coupled to an upper end of the mandrel body (200) and an outer housing (140) coupled to a lower end of the mandrel body. A guide shoe (110) is coupled to the outer housing (140)....  
WO/2019/100139A1
A sliding valve has a valve body, a sliding sleeve received in a longitudinal bore of the valve body, and a collet receivable in a longitudinal bore of the sliding sleeve. The valve body has one or more fluid ports on an uphole portion o...  
WO/2019/103910A1
A method to measure a parameter of interest comprising: receiving a first signal via an antenna of a reception circuit; generating a second signal by a signal generator of the reception circuit; mixing the first signal and the second sig...  
WO/2019/102196A1
An automatic slugging control apparatus is provided, the apparatus comprising, a conduit arranged to convey a multiphasic mixture of materials; a first measuring unit in communication with the conduit and arranged to provide a first meas...  
WO/2019/103812A1
Flux distribution along a fracture plane in a subsurface reservoir hydrocarbon containing formation is determined, and an effective half-length of the fracture is also determined. Previously, flux distribution along such a fracture plane...  
WO/2019/104018A1
The particle is a sand or ceramic particle having a plurality of siloxane oligomers covalently bonded at one end to the surface of the particle by at least one -Al-O-Si- or -Si-O-Si- linkage and having free ends not bonded to the particl...  
WO/2019/100116A1
A steering collar for deflecting a drill string in a borehole to cause the borehole to be drilled in a different direction. The steering collar surrounds a hollow drive shaft which is driven by the drill string. During normal drilling op...  
WO/2019/100143A1
An integrated snubbing platform is provided that includes a snubbing section including a snubbing jack assembly and a secondary blowout preventer (BOP) connected to the snubbing jack assembly; and a primary BOP section connected directly...  
WO/2019/101484A1
A self-aligning tool guide (1) has a mounting (5) for fixing a hand-held machine tool (6) for machining a ceiling (3), a lifting mechanism (7), and a self-balancing chassis (8). The mounting (5) is mounted on the lifting mechanism (7), a...  
WO/2019/100154A1
An apparatus and method for preparing a casing of a subterranean well and injecting a sealing mixture therein. The apparatus comprises an elongate body extending between top and bottom ends connectable to a wireline at the top and having...  
WO/2018/089363A3
A system of pipe insulating sleeves includes a series of elastomeric foam insulating sleeves that are capable of opening up to, and beyond, 180 degrees, to accommodate and capture an undersink pipe. The disclosed system may include a num...  
WO/2018/200402A8
A system operable to seal at least a portion of a well downhole from a horizontal segment of the well includes an electric wireline having a position locator for locating the position of a flow control device or leak in a tubing segment ...  
WO/2019/103624A1
There is disclosed a method for tuning a hydraulic model to be used for estimating down hole dynamic pressure as a function of flow rate, characterized in that the method comprises the steps of : a) selecting a non-tuned hydraulic model ...  
WO/2019/104212A1
Working an underground arcuate path around at least a portion of an obstacle with a casing extending into the underground arcuate path, connecting a rotating control device to the casing; and a Venturi device connected to the rotating co...  
WO/2019/103911A1
An earth-boring tool includes a body having a shank and a crown, a plurality of blades protruding from the crown of the body and extending at least substantially along a longitudinal length of the crown of the body, each blade extending ...  
WO/2019/100138A1
A sliding valve has a valve body, a sliding sleeve received in a longitudinal bore of the valve body, and a collet receivable in a longitudinal bore of the sliding sleeve. The valve body has one or more fluid ports on an uphole portion o...  
WO/2019/104007A1
The invention relates to the cleaning of a wellbore including a reservoir liner 3 and an upper portion 2 of the wellbore, by running in only one string into the wellbore and performing a reservoir liner cementing operation, displacing th...  
WO/2018/232483A4
An offshore production system includes a surface vessel, a tubular tendon extending between the surface vessel and a lower connection system disposed at a seabed, the riser coupled to the surface vessel with an upper connection system, a...  
WO/2019/103781A1
A downhole tool (500) for sealing a well includes a push ring (503); a first slip ring (504) located adjacent to the push ring (503); a first wedge (506) located adjacent to the first slip ring (504) and configured to push the first slip...  
WO/2019/101944A1
The present invention relates to unmanned aerial vehicles for use in mining and civil engineering, and, more particularly, to unmanned aerial vehicles capable of carrying an explosive charge and the corresponding system for controlling t...  
WO/2019/103780A1
Perforation devices including gas supply structures and methods of utilizing the same. The perforation devices include a magazine, a barrel, an action, and the gas supply structure. The magazine is configured to contain a plurality of ca...  
WO/2019/101554A1
A rock bolt and meshing assembly for installation of meshing sheet against a surface of rock strata. The rock bolt comprises an adapter having a first portion connectable to a trailing end of an elongate shaft of the rock bolt and means ...  
WO/2019/101483A1
A self-aligning tool guide (1) has a mounting (5) for fixing a hand-held machine tool (6), a lifting mechanism (7), and a self-balancing chassis (8). The mounting (5) is mounted on the lifting mechanism (7), and a propulsion unit (24) is...  

Matches 351 - 400 out of 145,946