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Matches 551 - 600 out of 146,530

Document Document Title
WO/2019/125481A1
A formation tester tool includes an extendable probe having an extendable member configured to extend from a retracted position to an extended position such that an end of the extendable probe is in fluid communication with a wall of a b...  
WO/2019/122859A1
A rigless method for abandoning a well in which the production tubing (7) and control lines (15) are left in place. The production tubing (7) is perforated at a zone of interest at any position in the well. A settable composition (21) wh...  
WO/2019/126286A1
A downhole drilling tool and methods for using the tool include a body with a wall that defines an internal volume, and at least one arm attached to the wall, the at least one arm comprising a channel within a body of each arm. The at le...  
WO/2019/125493A1
First fluid flows from a wellbore through a flow assembly and into a casing inserted into the wellbore. An optical cable is arranged on a bobbin attached to a bottom surface of the flow assembly. The optical cable of the flow assembly is...  
WO/2019/125353A1
A tool that uses antennas to evaluate an environment surrounding a wellbore, where the tool can include a sleeve with an antenna mounted thereon, and the antenna including a ferrite assembly and a coil assembly, where the coil assembly c...  
WO/2019/118189A1
A method for borehole measurements may comprise receiving one or more signals from a linear receiver array, computing an arctan of a Hilbert Transform, isolating a first arriving energy, selecting a reference instantaneous phase on a ref...  
WO/2019/118184A1
A method may comprise measuring during a survey operation a gravitational field data using a survey accelerometer and magnetic field data using a survey magnetometer and determining during a drilling operation an azimuth of a wellbore ba...  
WO/2019/118762A1
An composition comprising a solution comprising an acid selected from the group including: phosphoric acid, fumaric acid, nitric acid, sulfurous acid, sulfonic acid, perchloric acid, acetic acid, sulfuric acid or a combination thereof, m...  
WO/2019/118104A1
An inflow control device (10) includes a flow device (20, 120, 220, 320, 420, 520) having an inlet (34); an outlet (22); a flow path (42) fluidically connecting the inlet (34) to the outlet (22); and a feature configured to reduce a mass...  
WO/2019/118188A1
A method may comprise obtaining, during drilling operations within a wellbore, two-dimensional accelerometer data with an accelerometer on a rotating downhole tool, determining a radial offset of the accelerometer based on the two-dimens...  
WO/2019/115383A1
The invention relates to subsea installations 1 for offshore production of oil and gas, and more particularly to seabed assemblies, systems and methods for continuous installation of multiple subsea functional lines with connected in-lin...  
WO/2019/114338A1
Provided is a safe blocking method for an excavation disturbance area of a high-level waste disposal repository roadway. Multiple groups of seal sections (3) are excavated on an original high-level waste disposal repository roadway wall ...  
WO/2019/117753A1
´╗┐The invention relates to methods of management of an underground storage facility for natural gas in water-bearing geological structures and, in particular, to physicochemical methods for controlling the movement of gas-water contact ...  
WO/2019/117901A1
A first flow distribution to one or more entry points into a subsurface formation may be monitored. Stimulation criteria may be identified based on the first flow distribution. At least one characteristic associated with a first treatmen...  
WO/2019/118167A1
Methods and systems for controlling drilling operations are provided. The methods and systems include conveying a drilling tool into a bore and operating the drilling tool to drill in a direction, creating, with an azimuthal sensing devi...  
WO/2019/118165A1
Systems and sensor elements for indirect monitoring of cumulative damage to downhole components having a sensor body defining an internal cavity, at least one electrical wear element located within the sensor body, wherein a portion of t...  
WO/2019/117925A1
A downhole tool and method for identifying the inclination and/or azimuth of the downhole tool at low inclinations or unknown inclinations. The downhole tool is connectable to a tubing in a wellbore and comprises a magnetic field sensor ...  
WO/2019/114224A1
A bag-shaped filling structure for an underground coal mine and a use method therefor. The bag-shaped filling structure for an underground coal mine comprises a truss beam wall (3), a surface sealing layer of a bag-shaped structure, and ...  
WO/2019/115003A1
A self-propelled ground milling machine (1), in particular a road milling machine, comprising a machine frame (3) borne by driving devices (2), a drive motor (4) arranged on the machine frame, a manoeuvring platform (5) arranged on the m...  
WO/2019/117875A1
Treatment fluid may be injected into a wellbore of a geological formation to stimulate fracturing of the geological formation. A plurality of measurements may be received from one or more sensors on a surface of the geological formation ...  
WO/2019/117873A1
Methods and systems for decoupling a component signal. A method may comprise disposing a logging tool in a wellbore, capturing a signal response with the logging tool from a formation, wherein the logging tool comprises a first receiver,...  
WO/2019/118798A1
A thermal cutter device for cutting downhole objects in a reservoir wellbore, wherein the device lacks moving parts, and thus is more robust and less failure prone than prior art thermal cutter.  
WO/2019/115491A1
The present invention relates to an abandonment plug for plug and abandonment of a well, said abandonment plug comprising a first end part being closable or closed, a second end part being tubular and having a groove in an inner face, an...  
WO/2019/117988A1
A setting tool and bridge plug that are run-in-hole on wireline through a core bit while drill rods are in place can be used to plug a borehole. A setting tool can be sized to have a same or smaller diameter as a drill rod. A bridge plug...  
WO/2019/117087A1
The present invention simplifies a water-stopping operation of a joint between segment rings and shortens the work time for said operation. A water stop member (1) used in a joint between segment rings of a shield segment, the water stop...  
WO/2019/117945A1
Systems and methods for determining azimuth of a wellbore while drilling. A method of drilling a wellbore that includes rotating a drill bit to extend the wellbore into a subterranean formation. The method may further include measuring m...  
WO/2019/118185A1
A method may comprise penetrating a subterranean formation with a bottom hole assembly, determining a revolutions-per-minute (RPM) measurement based on a zero crossing of sinusoidal magnetometer data, determining a gyroscope bias from gy...  
WO/2019/118769A1
A coupling mechanism for coupling a first downhole tool to a second downhole tool includes a first portion, a second portion, and a locking device for locking the first portion to the second portion. The first portion includes a frame; a...  
WO/2019/117862A1
Systems and methods are provided for overpressure mitigation or prevention in a well system. The overpressure mitigation systems and methods obtain downhole pressure measurements using a downhole pressure sensor. A rate of change of the ...  
WO/2019/113694A1
A unified mud-pulse (MP) -electromagnetic (EM) telemetry assembly and a downhole telemetry tool are provided including a downhole EM telemetry transmitter apparatus. The EM telemetry transmitter apparatus comprises a modulator configured...  
WO/2019/117868A1
Systems and methods for performing laser operations in boreholes. Systems and methods for providing a plurality of laser beams in a laser beam pattern to create holes in the bottom of a borehole surface in a pattern correspond to the las...  
WO/2019/118666A1
While a fracturing stack on a well is at fracturing pressure, receiving a perforating string in a section of the center bore of the fracturing stack. The section is a section above a fracturing head of the fracturing stack. While the fra...  
WO/2019/116042A1
A drill bit (10) for drilling a bore, the drill bit comprising: an outer housing (24); a primary cutting structure (18) defining a cutting plane of a first diameter; a flow path (42, 44) arranged to let drilling fluid flow through the dr...  
WO/2019/113679A1
Systems and methods for testing one or more closeable or fixed ports in a horizontal section of a well are provided. One of the systems comprises a jointed tubing string deployable by a service rig and a bottomhole assembly attached the ...  
WO/2019/117871A1
Systems and apparatus for performing laser kerfing operations in boreholes. Systems and apparatus for providing a plurality of laser beams in a concentric ring laser beam pattern to create holes in the bottom of a borehole surface in a p...  
WO/2019/113622A1
The disclosure relates to shotcreting, and a means for ensuring that a layer of shotcrete has achieved a requisite thickness. In one form, there is provided a shotcrete depth indicator of low cost construction, wherein in use the shotcre...  
WO/2019/117869A1
Systems and apparatus for performing laser kerfing operations in boreholes. Systems and apparatus for providing a plurality of laser beams in a concentric ring laser beam pattern to create holes in the bottom of a borehole surface in a p...  
WO/2019/117861A1
Perforating gun end protectors including pin end protectors and box end protectors include both a polymer component and a metal component. The pin end protectors and box end protectors herein meet packaging and shipping regulations for s...  
WO/2019/114226A1
The present invention relates to the technical field of marine natural gas hydrate exploitation, and provides a method for exploiting marine natural gas hydrates using a water erosion method. On the basis of the characteristic that perme...  
WO/2019/118106A1
A method of improving production in a steam assisted gravity drainage operation, the method including positioning a tubular system (100) within a borehole, the tubular system (100) including a plurality of inflow control devices (10); in...  
WO/2019/118431A1
Systems and methods for determining fluid rheological characteristics of a fluid used in a subsurface operation are provided. The methods include measuring temperature, pressure, and at least one of a flow rate and a flow velocity of the...  
WO/2019/117718A1
An actuator tool (100) for actuating a component (220) of a subsea structure (200). The actuator tool (100) comprises a connection mechanism (110) for locking the actuator tool (100) onto a connection interface (210) of the subsea struct...  
WO/2019/115584A1
The following invention relates to a subsea actuator (16'; 16") for actuating a subsea rotating component (81; 181), comprising: a first biasing element (82; 182); a motor (85; 185); a holding element (83; 100, 183) configured to receive...  
WO/2019/118581A1
A kinetic energy storage device, a pumpjack inertia capacitor (PIC), for use with an oil well pumpjack, the PIC includes a primary shaft assembly to transfer power and torque between a prime mover of the oil well pumpjack, a flywheel ass...  
WO/2019/117900A1
A flow distribution may be monitored to one or more clusters of perforations. Plugging criteria may be identified based on the flow distribution and characteristics associated with perforation plugs to be dropped into a wellbore associat...  
WO/2019/118105A1
A method of controlling flow in a tubular including developing a pressure in the tubular with an electric submersible pump (ESP), directing a flow of fluid through a flow control device arranged on the tubular downhole of the ESP in resp...  
WO/2019/117947A1
A pumping system is provided which includes a motor coupled with a transmission and a pump. The pump includes a housing with a chamber, a plunger coupled with the motor and the transmission and translatable into and out of the chamber cr...  
WO/2019/117872A1
Systems and apparatus for performing laser kerfing operations in boreholes. Systems and apparatus for providing a plurality of laser beams in a concentric ring laser beam pattern to create holes in the bottom of a borehole surface in a p...  
WO/2019/118963A1
Downhole drilling characteristic measurement systems for measuring a characteristic of drilling through the earths subsurface and methods of the same are described. The systems include a downhole tool having an active measurement system,...  
WO/2019/116330A1
The invention relates to a method of capturing drilling data from a rock drill or a drill rig, which includes; receiving an input signal from a sensor (14), the input signal being proportional to the physical effect generated by the dril...  

Matches 551 - 600 out of 146,530