Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 140,107

Document Document Title
WO/2018/006187A1
A beam pumping unit based on a direct drive motor, comprising a base (1). The upper end of the base (1) is provided with a stand (14); the upper end of the stand (14) is provided with a walking beam (10); one side of the walking beam (10...  
WO/2018/009865A1
Techniques and systems to store and deploy a lift frame (22) of an offshore vessel (10). A device (42) may include a member arm (46) comprising a locking feature (60) configured to couple the member arm (46) to a lift frame (22) of the o...  
WO/2018/009195A1
A system and method to for communicating with a telemetry tool by generating mud pressure waveforms is disclosed according to one or more embodiments. The system includes a rotor having a first bore spaced axially apart from a second bor...  
WO/2018/009217A1
An example method of mitigating casing deformation includes determining that a geologic area in a formation within a threshold distance of a cased wellbore is prone to formation relaxation. The method also includes altering a drilling pl...  
WO/2018/009181A1
An antenna assembly that includes a bobbin including arcuate first and second bobbin portions positioned about a tool mandrel. A protective layer is formed about the first and second bobbin portions, and a cover occludes a portion of an ...  
WO/2018/009067A1
An aspect provides a method of removing a liner of a well, the liner comprising a liner material. The method comprises providing a seal in the well for defining an upper and/or lower boundary of a removal space, the space being delimited...  
WO/2018/007299A1
A subsea flowline system (1, 1', 200) for transport of hydrocarbon production fluid is shown, with a chemicals injection and pigging arrangement (100) that comprises a crosslink (101) which connects to the flowline system via first and s...  
WO/2018/008842A1
The present invention relates to top-sheaves for preventing a leader of a drilling machine from being bent, wherein the principle of the lever is applied to the top-sheaves of a leader so as to effectively distribute a load transmitted t...  
WO/2018/009728A1
A method for drilling a borehole in an earthen formation using a drilling fluid includes selecting a lower pressure limit and an upper pressure limit for the drilling fluid at a drilling location in the borehole. In addition, the method ...  
WO/2018/009073A1
A methane production assembly comprising a subsea well (3) extending from the seabed to a methane hydrate formation (5). The assembly comprises a well casing (7) extending into the subsea well (3), a subsea well control assembly (9), a s...  
WO/2018/007652A1
The invention relates to a wear or protection system for a tool of a machine for moving earth, which comprises a wear element (1), a support (3) and a pin (7) with elastic means (13) housed in a housing (5) that has a base surface (27) a...  
WO/2018/009874A1
A system includes a flow control assembly 10 having a first portion 40 configured to be positioned within and coupled to a first passageway formed in a wellhead component 16 and a second portion 80 configured to be coupled to a second pa...  
WO/2018/009220A1
Fluid flow control systems are configured to resist erosion-corrosion and minimize wall shear stress during injection or production. A fluid flow control system includes a base pipe with an internal passageway. A housing is positioned ar...  
WO/2018/006558A1
Disclosed is a confined high-strength concrete support system applicable to an underground tunnel, comprising: multiple confined concrete arches (14); an anchor (1-2); an anchor cable (1-1); and a prestressed concrete steel strand backfi...  
WO/2018/009183A1
Well systems comprise communicating devices for use in subterranean formations. An example well system comprises a mud valve system having a stator and a rotor to modulate drilling mud flow to provide increased pulse amplitude signals up...  
WO/2018/006497A1
A phase transition hydraulic fracturing technique, comprising: (1) injecting clean water or a conventional fracturing fluid into a ground stratum to generate a fracture therein; (2) placing a non-phase transitioning fluid M and a phase-t...  
WO/2018/009487A1
A downhole tool suitable for use in a wellbore, the tool comprising a hybrid sleeve in the form of a mandrel sleeve; and a sleeve insert disposed within the mandrel sleeve. The tool further includes a first slip disposed about the mandre...  
WO/2018/009216A1
An example method of identifying geologic areas in a formation that are prone to casing deformation includes conducting hydraulic fracturing along a portion of a cased wellbore. The method includes recording microseismic activity occurri...  
WO/2018/008645A1
A boring device for forming an increased-diameter section at the bottom of a mounting hole comprises: a shaft provided with a contact surface which is provided at the front end thereof and which comes into contact with the bottom of the ...  
WO/2018/009485A1
Embodiments of the disclosure pertain to a composition of matter having a matrix, a thickener, a strengthener, and a soluble medium. The matrix may be about 100 parts by weight of a low viscosity cycloaliphatic epoxy resin with an anhydr...  
WO/2018/009438A1
A method of forming a cutting element comprises disposing diamond particles in a container and disposing a metal powder on a side of the diamond particles. The diamond particles and the metal powder are sintered so as to form a polycryst...  
WO/2018/007026A1
A production logging tool (1) has an elongated cylindrical housing (10, 12, 13, 14) shape and comprises a centralizer arrangement (11) comprising multiple external centralizer arms (15, 16) and operable from a retracted configuration int...  
WO/2018/009191A1
A diverter assembly includes a tubing segment and one or more sleeve members disposed therein. The tubing segment includes apertures that are selectively alignable with apertures of an inner sleeve disposed within the tubing segment. The...  
WO/2018/009360A1
An embodiment of a method of performing aspects of a downhole operation includes receiving a measurement value from a first sensor configured to measure a parameter related to the downhole operation, receiving measurement data from a dif...  
WO/2018/009483A1
A fingerboard latch assembly includes a latch body, a finger member pivotably connected to the latch body at a first pin, and an actuator assembly coupled to the finger member, wherein the actuator assembly is configured to actuate the f...  
WO/2018/009884A1
An orifice valve as disclosed herein produces a high pressure drop in a flowing fluid. A valve body includes a flow restrictor with multiple flow orifices or ports. The flow ports produce fluid jets. The flow ports may be angled relative...  
WO/2018/009829A1
An isolation flange assembly including a body including a receptacle disposed therein, and a first seal assembly disposed in the receptacle of the body, wherein the first seal assembly is configured to sealingly engage an inner surface o...  
WO/2018/007780A1
An apparatus (2) for expanding weIlbore casing comprises a body (4) configured to be located in casing disposed in a wellbore and an activation member (6) moveable relative to the body (4). A plurality of rigid deformation elements (8) i...  
WO/2018/009077A1
A method of installing or removing a subsea wellhead assembly is provided. The method comprising providing a suction anchor that in use acts as a subsea well foundation, wherein the suction anchor comprises an outer suction skirt; and an...  
WO/2018/009333A1
The flow control device comprises one or more stacked spiral paths where the shape of an inlet to an end of a spiral has a taper on one or more sides to gradually increase the polymer velocity to eliminate rapid acceleration points as th...  
WO/2018/007483A1
An annular barrier (1) for isolating a production zone (101), comprising an expandable metal sleeve (7) surrounding the tubular metal part (4) and having an outer face (8) facing a wall (9) of a borehole (10), each end of the expandable ...  
WO/2018/009876A1
Techniques and systems to remove a portion of a drill floor (22) from an offshore vessel (10). The drill floor (10) may include an immovable section (27) comprising a first portion of a surface area of the drill floor (22). The drill flo...  
WO/2018/009337A1
A method of wellbore analysis using TM01 and TE01 modes of radar waveforms can include transmitting, at a first time, a radar waveform from a wellhead into a tubing disposed in a wellbore positioned in a reservoir. The radar waveform is ...  
WO/2018/008808A1
Provided is a tunnel inspection system for scanning the internal wall surface of a tunnel, comprising an individually driven rail-guided vehicle and an inertia navigation system (INS), the tunnel inspection system being capable of applyi...  
WO/2018/009214A1
Lightweight micro-proppant suitable to prop open not only near-wellbore microfractures but also far-field microfractures. Some methods of fracturing and propping may comprise first introducing a pad fluid comprising a lightweight micro-p...  
WO/2018/007804A1
A sensor unit (30) for a fingerboard latch assembly (2) comprising a latch bracket (3) and a latch (5) rotatably mounted on the latch bracket comprises a sensor (30) arranged to sense the orientation of the latch and a wireless, optical ...  
WO/2018/007401A1
A downhole acoustic stimulation tool comprises: a sealed chamber containing a liquid; a pair of electrodes located in the chamber; at least one transducer arranged to generate an acoustic field between the electrodes thereby inducing cav...  
WO/2018/008535A1
The purpose of the invention is to provide a hydraulic fracturing method and a hydraulic fracturing system for gas hydrate layers that can form a crack in the gas hydrate layer using a hydraulic fluid that does not contain additives and ...  
WO/2018/009437A1
A portion of a wellbore is drilled in a subterranean formation, using a drilling string (140) disposed within a casing string (130) and extending through a cement retainer (150) disposed within the casing string. The drilling string can ...  
WO/2018/009934A1
Embodiments of the present disclosure include a system for transmitting electrical energy to a downhole tool including a tubing head (12). The system also includes a tubing hanger (16) coupled to the tubing head, the tubing head receivin...  
WO/2018/007236A1
A foundation drilling machine (100) comprises: a base (1) revolvingly mounted on an undercarriage (2), a rotation system (7) that allows the base to rotate with respect to the undercarriage, a tool (50) intended to work the ground, an ar...  
WO/2018/006919A1
The present invention relates to a flexible armoured pipe having a centre axis and comprising an internal pressure sheath and an outer sheath, where the radial distance between the internal pressure sheath and the outer sheath defines an...  
WO/2018/009198A1
A method and system for electromagnetic well ranging. The method may comprise receiving signals from one or more receiver coils at different depths in a second wellbore, applying a band-stop filter to the received signals to provide filt...  
WO/2018/009093A1
The invention relates to the mining and construction industry and is directed at increasing the production efficiency and utilizational efficiency of a hydraulic hammer. The indicated technical result consists in a hydraulic hammer, comp...  
WO/2018/009221A1
Apparatus and methods to evaluate a pipe structure taking buckling into account can be implemented in a variety of applications. Responses can be measured at a set of receivers of a tool in response to exciting the pipe structure with on...  
WO/2018/009655A1
A drilling and bolting device for driving a drill element into a rock surface includes a frame, a drive unit supported for movement relative to the frame, and an actuator for moving the drive unit relative to the frame. The drive unit in...  
WO/2018/006178A1
A flow-through assembly for use in a downhole drilling string includes a Moineau-type motor, means for selectively activating the motor such as a ball catch component that selectively causes drilling fluid to enter into or bypass the mot...  
WO/2018/009199A1
Systems and methods for treating fracture faces and/or unconsolidated portions of a subterranean formation are provided. In some embodiments, the methods comprise: providing an aqueous alkali solution; introducing the aqueous alkali solu...  
WO/2018/009223A1
Systems and methods for downhole perforation. A method may comprise lowering a downhole perforating system into a casing of a wellbore, wherein the downhole perforating system may comprise 1,1-diamino 2,2-dinitroethylene; detonating the ...  
WO/2018/002712A1
A sensor for measuring a property comprises: a radiation source, a detector and a sensing element. The radiation source is operable to produce a radiation beam. The detector is provided with a detecting surface for receiving radiation an...  

Matches 1 - 50 out of 140,107