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WO/2018/226233A1 |
A ranging system using spatially continuous filtering techniques to constrain ranging measurements, thereby improving ranging calculations between a bottom-hole-assembly and at least one target well. By taking advantage of the spatial co...
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WO/2018/226113A1 |
A method is proposed for temporarily isolating a well interval comprising: injecting a first suspension into the well, said first suspension containing a viscous carrier fluid, degradable particles and degradable fibres until a first ...
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WO/2018/227068A1 |
Methods and systems for lifting wellbore fluids in a subterranean well (10) towards a surface include providing a closed water system free of fluid communication with the wellbore fluids, the closed water system having a water storage ta...
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WO/2018/226239A1 |
A tubing hanger assembly includes a body having an annular outer surface, a lockdown feature which is located on the body, a load nut which is threadedly connected to the body and has a downward facing load shoulder, and a piston assembl...
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WO/2018/226207A1 |
The disclosed embodiments include downhole wet connection systems, and methods and apparatuses to provide an electrical connection between two downhole strings. In one embodiment, a wet connection system having a first electrode coupled ...
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WO/2018/226237A1 |
A casing scraper can include extendable scraper elements, and an actuator that extends the scraper elements after the actuator retracts the scraper elements. The actuator extends the scraper elements and retracts the scraper elements aft...
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WO/2018/227198A3 |
A downhole tool (100,300) and method for orienting a tool string within a passage, such as a wellbore (24) or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orient...
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WO/2018/224703A1 |
The invention relates to a multiparametric probe (1), suitable for monitoring geomicrobiological activity in very deep perforations in aqueous subterranean environments, comprising: a plurality of sensors (2); a main body (3) of sensors;...
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WO/2018/227218A3 |
The invention provides a resin bolt which includes an elongate shaft which extends between a leading end and a trailing end and a positioning head which is integral to the shaft at the leading end and which extends in the elongate axis o...
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WO/2018/226439A1 |
Various embodiments include a system to manage a tool on a conveyance from a surface of a wellbore. The system includes a remotely controllable reel to receive the conveyance about the reel and remotely controllable to distribute the con...
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WO/2018/223210A1 |
A method for extracting hydrocarbons from a hydrocarbon bearing formation is invented, which is based on the co-injection of thermal fluids generated from two types of generators. One type is the conventional steam generator and the othe...
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WO/2018/226924A1 |
A threaded connection having a straight central axis, where the pin threads and the box threads are arranged such that when the connection is fully made up, the pin roots (167) and box crests (169) come into at least partial interference...
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WO/2018/223730A1 |
A shield segment capping block assembling apparatus. By means of alternate supporting of the jacking connection of capping segments by two lead screws on a capping segment supporting frame and the jacking connection of the capping segmen...
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WO/2018/224298A1 |
A slurry handling apparatus comprising at least one reception hopper (10Α,10Β) comprising a base (12), a rear wall (18) and opposing side walls (14,16), an opening (20) being provided in the base (12), wherein slurry delivered into the...
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WO/2018/227218A2 |
The invention he invention provides a resin bolt which includes an elongate shaft which extends between a leading end and a trailing end and a positioning head which is integral to the shaft at the leading end and which extends in the el...
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WO/2018/224825A1 |
A centraliser (112) includes a number of members (118) extending between two collars (120) for mounting the centraliser (112) on a casing (110). The members (118) are configured to contact a wall (115) of the bore (114) and centraliser t...
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WO/2018/227056A1 |
A metal ring seal capable of providing a fluid seal between two downhole assemblies. The ring seal has a "C" shape, is initially located inside one of the downhole assemblies adjacent to an internal wedged section of that assembly and ha...
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WO/2018/226319A1 |
A roller-mill bit for use in a wellbore includes: a body having a coupling formed at an upper end thereof and a plurality of lower legs; a plurality of roller disks, each roller disk secured to a bearing shaft of a respective leg for rot...
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WO/2018/226208A1 |
A cutting element for a drill bit can include a first layer of polycrystalline diamond, a second layer of polycrystalline diamond, wherein a boundary between the first layer and the second layer is nonplanar, and a substrate. The first a...
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WO/2018/226530A1 |
A fluid coupling assembly includes a sliding seal interface between rotating and non-rotating components, through which a fluid conduit extends. A flow of fluid is provided through the fluid conduit during operation. A hydrocyclone devic...
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WO/2018/226913A1 |
A downhole device configured to be inserted into a borehole includes a device body having an outer surface and a recess formed in the outer surface, a cover covering the recess to form a first cavity, and a shock-absorber configured to s...
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WO/2018/226225A1 |
A technique provides a desired control over incremental actuation of hydraulic devices. A hydraulically actuated tool is combined with a control module. The hydraulically actuated tool has an actuator piston positioned in a piston chambe...
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WO/2018/226611A1 |
A process for determining the productivity index of a multilateral completion using data from individual laterals and data from commingled well tests is disclosed. The process includes 1) determining the productivity index for each singl...
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WO/2018/226380A1 |
Bearing assemblies that include a plurality of polycrystalline diamond ("PCD") bearing elements, bearing apparatuses including such bearing assemblies, and methods of operating and fabricating such bearing assemblies and apparatuses are ...
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WO/2018/224732A1 |
A drill device assembly (1), comprising a drill device (2) having at least one movable component (2a), wherein when in use, a fluid flow is directed past the movable component and said movable component moves with respect to the remainin...
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WO/2018/222436A1 |
A downhole tool includes a blade coupled to a body. The body and blade rotate about a longitudinal axis. A pre-formed faceplate is connected to the blade and partially defines a cutter pocket therein. Another portion of the cutter pocket...
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WO/2018/222197A1 |
A unitary multilateral junction for deployment in a wellbore, wherein the multilateral junction permits electrical power and communications signals to be established in both a lateral wellbore and a main wellbore utilizing. The unitary j...
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WO/2018/222361A1 |
A spinner assembly including a jaw assembly having a first portion and a second portion, and a linkage assembly coupled to the first and second portions of the jaw assembly. The linkage assembly comprises a first bar coupled to a pivot p...
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WO/2018/222319A1 |
An electromechanical rotary pipe mill or hone including a body, a motor with a mill or hone disposed thereon in radially adjustable position with respect to the body, a clamping device extendable from the body and configured for anchorin...
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WO/2018/218846A1 |
A pumping and oil suction type petroleum packer, comprising an upper connector (1); the upper connector (1) is communicated with a center pipe (7) at the bottom of the upper connector (1); a pin (2) is provided on one side of the center ...
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WO/2018/222198A1 |
A unitary junction for deployment in a wellbore, wherein the unitary junction permits electrical power and communications signals to be established in both a lateral wellbore and a main wellbore utilizing. The unitary junction assembly g...
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WO/2018/222279A3 |
Systems and methods for sealing a wellbore are described. The system includes a packing element configured to at least partially seal an uphole portion of a wellbore from a downhole portion of the wellbore. A first annular pressure senso...
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WO/2018/222190A1 |
Slow-rotating tools may operate within a tubular structure such as casing or tubing strings in a wellbore, e.g., to clean an interior surface of the tubular structure or to support other wellbore applications. A slow-rotating tool may in...
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WO/2018/223141A1 |
A pressure compensator assembly is deployed in a servo-driven mud pulser. The assembly includes a generally tubular compensator sleeve that expands and contracts in a radial direction in order to compensate for pressure differentials acr...
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WO/2018/222352A1 |
A production well includes a casing and encapsulated tubing positioned within the casing. The encapsulated tubing includes a conductive sidewall defining a channel for an injection fluid. The production well further includes an insulativ...
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WO/2018/222360A1 |
A wrench assembly comprising an upper clamp assembly (135), a lower clamp assembly (140) coupled to the upper clamp assembly, and an alignment device (500) disposed between the upper and lower clamp assemblies to allow the upper clamp as...
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WO/2018/222087A1 |
A drill pipe coupling device consists of a pin, a sleeve mounted on the pin, and two studs, a large stud and a small stud. The pin is provided with a transverse opening for the large stud, and the sleeve is provided with a transverse ope...
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WO/2018/220098A1 |
A down the hole rock drilling machine and a method of drilling rock. The drilling machine comprises a reciprocating piston (19), which has sleeve-like configuration. Inside a central opening (20) of the piston is arranged one or more flu...
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WO/2018/220097A1 |
A down the hole rock drilling machine and a method of drilling rock. The drilling machine comprises a casing (15) inside which is a control sleeve (20). A reciprocating piston (19) is arranged to move inside the control sleeve and contro...
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WO/2018/222951A1 |
Provided are systems and methods for determining fracture toughness of a subsurface geologic formation. Embodiments include collecting (from drilling fluid circulated into a wellbore during a drilling operation) a drill cutting generated...
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WO/2018/220259A1 |
A drainage system of a tunnel for underground construction to be arranged on an upward wall and/or a roof of the tunnel is provided. The drainage system comprises a draining pipe for leading the water away. The drainage system further co...
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WO/2018/218378A1 |
The invention relates to distension techniques for neutralising the rock explosions that often occur during the construction of underground works located in environments exposed to high stress fields, such as caverns, main tunnels or bra...
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WO/2018/220292A1 |
The invention relates to a facility (1) for heating the production zone of the reservoir (12) of a well in order to extract hydrocarbons through a well (2) connecting the surface to said reservoir, comprising a substantially cylindrical ...
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WO/2018/219361A1 |
A method of sensing the absolute position and orientation of a coal mining machine (1). In a three-part mining-equipment set primarily composed of a coal mining machine (1), a scraper conveyor (2), and hydraulic supports (3), the absolut...
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WO/2018/222079A1 |
The invention relates to the field of pipeline construction by a horizontally directed drilling method. A drilling head comprises a housing provided with a front large end having a thread for connection of a drilling blade, a rear large ...
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WO/2018/222210A1 |
Providing accurate speed and rotation of a motor of a drilling assembly allows accurate monitoring of a drilling operation, for example, direction of drilling, rate of penetration, vibration, and stability of the drilling assembly. A bi-...
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WO/2018/218362A1 |
The present disclosure is directed to the use of dendrimers in various compositions and methods applicable in oilfield applications, such as, but not limited to, in compositions containing oilfield chemical additives for enhancing the ef...
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WO/2018/222958A3 |
Materials and methods for protecting electric cables and connectors from corrosive atmospheres and chemicals, particularly in oil wells, are provided herein.
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WO/2018/222062A1 |
The invention belongs to the field of chemistry and refers to an agent applied for fire extinguishing, fire protection, suppression of all types of absorbent and low absorbent dust and prevention of forming of ice and snow layers and the...
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WO/2018/218322A1 |
The present invention relates to a wet Christmas tree (ANM) (10) that is segmented into a lower safety module (04) containing the safety valves and the upper multifunctional module (02) for controlling the flow and/or pumping and/or subs...
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