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Matches 1 - 50 out of 2,338

Document Document Title
WO/2018/071193A1
subsea well production system includes a subsea boost pump (33) coupled with a subsea tree conduit (19) having a subsea tree conduit valve (29). boost pump outlet conduit (43) connects between a discharge (41) of the boost pump and an ou...  
WO/2018/071020A1
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit electrically coupled to a power source to provide power at a frequency, the pulse-generating circuit comprising an input stage t...  
WO/2018/069696A1
There are described downhole devices, methods and other apparatus, which may be used to generate energy, monitor fluids and/or provide control signals or otherwise trigger for actuation. The devices, methods, etc. may provide improved au...  
WO/2018/071028A1
A power generation system for a drilling tool includes a turbine, an alternator, a converter and a first active rectifier control (ARC). The turbine is adapted to be driven by a fluid flow in a well. The alternator is coupled to the turb...  
WO/2018/070997A1
A positionable exhaust apparatus with an exhaust outlet having a first bore extending along a length of the exhaust outlet. The first bore having a longitudinal axis extending the length thereof and an exhaust outlet tip coupled to the e...  
WO/2018/067151A1
A valve assembly for use in controlling flow of a fluid in a wellbore includes a housing including an internal passageway, a conductor located adjacent to the internal passageway, a rotor assembly located outside of the internal passagew...  
WO/2018/067279A1
A system provides thermal and stress analysis of complex well operations above the end of the downhole string to meet the analysis needs of downhole operations such as hydraulic fracturing in unconventional oil and gas field development.  
WO/2018/067968A1
A wellhead assembly (10) for use with a well (14) that includes a production tree (16), a production line (34) for carrying produced fluid from the production tree (16), and a choke (32) in the production line (34). The choke assembly (3...  
WO/2018/067490A1
A chemical attenuator sleeve (300) for mitigating chemical reaction in a well borehole includes an inner member (126) having a plurality of perforations (128), a first outer member (130) disposed on an outer circumference of the inner me...  
WO/2018/067153A1
A system for control using a hydraulic fluid includes a hydraulic control line for flowing the hydraulic fluid, a fluid line in fluid communication with the hydraulic control line, a flow controller configured to regulate a flow of the h...  
WO/2018/067273A1
The rotary steerable drilling tool and system described herein combines both point- the-bit and push-the-bit techniques to actively change the direction of the borehole trajectory. In this system, the deflection of the drill bit is limit...  
WO/2018/067255A1
A downhole assembly comprises a disintegrable article comprising a metal, a metal alloy, a metal composite, or a combination comprising at least one of the foregoing; the disintegrable article being corrodible in a downhole fluid; a curr...  
WO/2018/067122A1
A subterranean formation can be monitored using motion data. For example, a series of time-lapsed images of a well site can be received by a processing device. Motion data can be extracted from the series of time-lapsed images. The motio...  
WO/2018/067275A1
A method for monitoring a maintenance condition of a component (105) includes coupling a sensing device (100) to the component (105). The sensing device (100) includes at least one non-intrusive data sensor (115) and an on-board processi...  
WO/2018/067131A1
The disclosure relates to a method for performing a drilling operation in a subterranean formation of a field. The method includes obtaining, prior to the drilling operation, a target well data set specifying a target well to be drilled,...  
WO/2018/064115A1
A liquid injection system includes a motive fluid pump (20) that is adapted to supply a pressurized motive fluid (23, 25), at least one source (40) of a liquid (41), and at least one liquid injection pump (22) that is adapted to receive ...  
WO/2018/063212A1
The embodiments of the present disclosure relate generally to subterranean formation operations and, more particularly, to milling oilfield particulates for use in subterranean formation operations. The embodiments provide systems and me...  
WO/2018/063181A1
An actuation system to control flow of a fluid includes a body including an axial cavity and a valve in fluid communication with the axial cavity, the valve including a closing member moveable into and out of a closed position against th...  
WO/2018/063189A1
A power system may include a primary battery and a reserve battery coupled with an actuator to actuate a downhole tool to perform operations downhole in a wellbore. The reserve battery may include an electrolyte having a solid state at a...  
WO/2018/062997A1
A system and method of laying a subsea umbilical termination head of a subsea umbilical is disclosed. The method comprises deploying a termination head having at an interface providing at least one of, inductive power transfer capability...  
WO/2018/056990A1
A method includes collecting tracer concentration measurements from a flow stream in a borehole as a function of time. The method also includes recovering an uplink telemetry signal from the collected tracer concentration measurements, w...  
WO/2018/057697A1
An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section of the drilling assembly to tilt about a member...  
WO/2018/056975A1
Methods and systems for controlling the downhole position and velocity of a work string using a downhole position and velocity controller may be configured or otherwise programmed to account for force compensation. For example, the work ...  
WO/2018/052890A1
Examples of techniques for integrated hydrocarbon fluid distribution modeling are disclosed. In one example implementation according to aspects of the present disclosure, a computer-implemented method may include: generating, by a proces...  
WO/2018/052431A1
Certain embodiments are directed to magnetic rheological packer systems that seal an annulus in a downhole wellbore. In one embodiment, the seal is formed from a two-part epoxy and magnetorheological composition. The epoxy and magnetorhe...  
WO/2018/052438A1
A pumping schedule for stimulating a well can be dynamically optimized. For example, a layer in a well can be determined to have a highest value for a characteristic. The layer can be assigned as a first layer in an ordered list. A pump ...  
WO/2018/052442A1
A casing exit joint with guiding profiles and methods for use are provided. In one embodiment, a casing exit joint comprises: a substantially tubular casing joint comprising an inner surface and an outer surface, wherein at least a circu...  
WO/2018/052453A1
The structural integrity and reliability of a downhole tool or mandrel may be improved by implementation of a design and configuration that does not require several separate components to be coupled together. A button recessed within an ...  
WO/2018/052441A1
Systems and methods for terahertz modulation in a terahertz frequency band from about 0.1 terahertz to about 10 terahertz propagating in a wellbore intersecting a subterranean earth formation. A transmitter generates the EM radiation in ...  
WO/2018/052411A1
Modular stabilizer tools may be used to reduce unwanted deflection of a wellbore and in effecting a desired change in direction of a wellbore in an efficient and inexpensive manner. As the diameter of a wellbore changes, the modular stab...  
WO/2018/052889A1
Downhole tools for use in downhole operations and electrical submersible pumping systems having an additively manufactured first part including a first layer having a first predetermined material property and a second layer having a seco...  
WO/2018/052457A1
A borehole packer includes a shunt tube and a fluid chamber coupled to the shunt tube. The fluid chamber includes a release assembly that releases fluid stored in the fluid chamber into the shunt tube. The fluid includes magnetically res...  
WO/2018/052311A1
A fluid line component for a subsea umbilical has two metal tubes (4) joined to form a longer component, each tube (4) being coated with a protective layer (9) along their length except at the joint (10) between the two tubes (4), wherei...  
WO/2018/052452A1
A method includes severing a liner positioned in a first wellbore at least partially lined with casing and thereby providing a severed end, conveying a mid-completion assembly into the first wellbore and receiving the severed end within ...  
WO/2018/052450A1
A system and method according to which a downhole component positioned behind a casing is powered, the casing extending within an oil and gas wellbore that traverses a subterranean formation. Powering the downhole component may include i...  
WO/2018/052541A1
Damage to a casing string in a wellbore resulting from a wellbore operation can be predicted. For example, a stiff string model can be used to determine a contact point between the casing string and a well tool positionable within the ca...  
WO/2018/049205A1
A system and method (10) to safely isolate radioactive material (M) during an emergency includes a borehole (20) located in close proximity and at a depth sufficient to safely isolate the material (M). In one embodiment, no external powe...  
WO/2018/049360A1
A flowline system for fluidly connecting a fracturing manifold to a fracturing tree includes a first flowline assembly which is pre-assembled with the manifold, the first flowline assembly comprising a number of preassembled first flowli...  
WO/2018/049367A1
A technique for providing a fluid conduit between a main bore and a substantially non-producing region of a fracture at a horizontal section of the bore. The technique includes forming a micro-tunnel from a location of the bore adjacent ...  
WO/2018/049055A2
A method for monitoring salt creep while drilling includes obtaining data representing a subterranean domain, the subterranean domain comprising a salt layer, obtaining an initial model of salt creep for a well penetrating the salt layer...  
WO/2018/049311A1
Apparatus and methods for drilling and stimulating a subterranean formation. The method may comprise drilling a wellbore comprising a deviated wellbore portion extending through a subterranean formation, forming a plurality of lateral tu...  
WO/2018/042348A1
An attachable lighting system for a drilling rig. A method of providing lighting to a drilling rig site comprising, attaching at least one light fixture directly to the crown of a drilling rig on each of at least two sides, wherein the l...  
WO/2018/042148A1
An apparatus for transferring rotational torque from a work string to a subsea infrastructure, said apparatus comprising a first connection (1) for receiving the work string; a second connection (6) for receiving the subsea infrastructur...  
WO/2018/044997A1
Techniques for controlling hydrocarbon production includes (i) identifying a plurality of reservoir measurements of a subterranean hydrocarbon reservoir located between at least one injection wellbore and at least one production wellbore...  
WO/2018/044175A1
A cleaning system for cleaning an interior of a subsea structure by use of fluid is described, the cleaning system comprising a subsea unit (1), the subsea unit (1) typically comprising: a fluids inlet (13); a hydraulics inlet (12); a ho...  
WO/2018/045259A1
Systems and methods for optimizing the working environment in a drilling control room may include (i) systems and methods to selectively actively attenuate one or more noise sources affecting the noise level within the drilling control r...  
WO/2018/044277A1
Example embodiments are described for a method and system for direct current (DC) bias control in downhole optical intensity modulators. After receiving an optical signal from a downhole intensity modulator, a harmonic distortion analysi...  
WO/2018/044310A1
Certain metal surfaces are often unable to be effectively contacted with fluids containing hydrofluoric acid due to significant corrosion issues. Titanium and titanium alloy surfaces represent but one example. Corrosion inhibitor composi...  
WO/2018/041983A1
The invention relates to a blowout preventer stack, with at least one blowout preventer, at least one kinetic energy store, at least one hydraulic pump and at least one hydraulic actuator, which is disposed outside the kinetic energy sto...  
WO/2018/039530A1
Techniques for allocating hydrocarbon production include receiving a selection of a particular area identification (ID) of a plurality of area IDs stored on the server; determining based on the selected particular area ID, a plurality of...  

Matches 1 - 50 out of 2,338