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WO/2019/005834A1 |
Hydraulic fracturing of subterranean formations has become more complex and detailed as information increases. Methods for calculating and monitoring reservoir pressures during treatment provide unique opportunities to adjust treatments ...
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WO/2019/002632A1 |
Electric valve actuator, comprising: a stem (41, 43) for moving a valve member between open and closed positions; a drive assembly for moving the stem comprising an electric motor (31); a biasing assembly (5) adapted to act on the stem t...
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WO/2019/005050A1 |
A system for processing DAS VSP surveys is provided. The system includes a DAS data collection system coupled to at least one optical fiber at least partially positioned within a wellbore and configured to either activate or passively li...
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WO/2019/005961A1 |
An apparatus for use in a string of tubulars includes a first sub having a bore, a second sub attached to the first sub, the second sub having a bore in fluid communication with the bore of the first sub, and a barrier assembly having a ...
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WO/2019/006049A1 |
Packoff seals and processes for using same. In some examples, the packoff seal can include a first end cap and a second end cap, a first insert and a second insert, a first deformable element disposed between the first end cap and the fi...
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WO/2019/005010A1 |
A modular downhole logging system includes a transmitter module having a local frequency, wherein the transmitter module transmits interrogation signals into a formation based on the local frequency. The downhole system also includes a r...
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WO/2019/004842A1 |
A system for hydraulically controlling a subsea device, the system comprising a compensator provided within a cavity of a well system, a hydraulic connection between the compensator and the subsea device, a pressure regulator arranged to...
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WO/2019/000037A1 |
A method of obtaining geological data pertaining to a bore hole that comprises supporting a ground drill and a separate geological instrument (30) on a vehicle (52), the instrument (30) being capable of acquiring geological data includin...
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WO/2019/005819A4 |
A method for generating an output of a downhole inertial measurement unit (IMU) includes: generating a trajectory between a plurality of survey points of a planned well data as a function of time, wherein the planned well data includes a...
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WO/2019/005908A1 |
A method includes acquiring data during rig operations where the rig operations include operations that utilize a bit to drill rock and where the data include different types of data; analyzing the data utilizing a probabilistic mixture ...
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WO/2019/006410A1 |
Systems and methods are provided for producing a continuous survey of a previously drilled portion of a wellbore. The method includes receiving a plurality of stationary survey measurements taken at a corresponding plurality of locations...
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WO/2019/005032A1 |
In some aspects, a material for constructing a drill collar is selected based on a cost and a minimum thickness for a cross-sectional area of material that satisfies a structural constraint. An interior volume of the drill collar houses ...
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WO/2019/002883A1 |
A seal apparatus and method of use is described. The apparatus comprises a seal assembly comprising a plurality of seal elements assembled together to form a ring structure around a longitudinal axis. The ring structure is operable to be...
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WO/2019/005819A1 |
A method for generating an output of a downhole inertial measurement unit (IMU) includes: generating a trajectory between a plurality of survey points of a planned well data as a function of time, wherein the planned well data includes a...
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WO/2019/006106A1 |
A system and a method for producing fracturing fluid, comprising: receiving source fluid from one or more inlet manifolds of a single transport, driving a first pump mounted on the single transport to route the source fluid from the inle...
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WO/2019/005780A1 |
A method for sealing perforation tunnels in a well includes steps of pumping an initial volume of fluid into the well, mixing expandable material into a carrier fluid to form an expandable fluid mixture, pumping the expandable fluid mixt...
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WO/2019/004838A1 |
A alve system (101) for use in a wellbore, comprising a side pocket mandrel (92) having a main bore (102) for alignment with a wellbore tubular (91) and a laterally offset side pocket bore (103) separated from the main bore (102) by an i...
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WO/2019/005890A1 |
Methods and apparatus for optimizing well testing operations are disclosed herein. An example apparatus includes an optimizer to generate a first workflow to be executed by a first user during a well test at a well. The example apparatus...
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WO/2019/005690A1 |
A system configured to provide thermal regulation and vibration isolation to one or more electronic components. The system includes a sensor chassis defining an interior chamber, an electronics housing in the interior chamber of the sens...
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WO/2019/004665A1 |
The present invention relates to equipment and a method for cutting bedrock at the correct position by means of a diamond wire-saw, and more particularly, to equipment and a method for cutting bedrock at the correct position by means of ...
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WO/2019/005016A1 |
Eddy current logging enables corrosion monitoring in nested-pipe arrangements. An illustrative method of logging total thickness of the pipe walls includes acquiring measurements from an electromagnetic logging tool conveyed through the ...
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WO/2019/000907A1 |
A large-deformation constant-resistance anchor bolt and anchor cable grouting support, and roadway quantitative support method. The anchor bolt comprises a bushing (1), a hollow bolt body (51), an anchor cylinder (3), a support plate (6)...
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WO/2019/005556A1 |
A method of cementing a wellbore comprises injecting into the wellbore a cement slurry comprising an encapsulated accelerant comprising an accelerant encapsulated within an encapsulation material; a cementitious material; and an aqueous ...
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WO/2019/005248A1 |
A well tool can include a closure member having open and closed positions, a seat having a flow passage blocked by the closure member in the closed position, and a line extending through the seat. A communication method can include posit...
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WO/2019/000839A1 |
The present invention relates to the field of mining engineering. Provided is a monitoring method integrating three aspects of data relating to strata control, comprising: downhole pressure observation, in which a pressure monitoring dev...
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WO/2019/004517A1 |
The present invention relates to a hydraulic pressure bedrock cutting method using slots formed in a lower end of a packer and at intervals, by the pressure of water injected after multiple packers have been connected at predetermined in...
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WO/2019/006108A1 |
Providing electric power distribution for fracturing operations comprising receiving, at a transport, electric power from a mobile source of electricity at a first voltage level and supplying, from the transport, the electric power to a ...
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WO/2019/006411A1 |
Various implementations directed to a continuous survey using magnetic sensors are provided. In one implementation, a method may include acquiring continuous survey data during an outrun data acquisition using a survey tool disposed with...
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WO/2019/002002A1 |
The invention relates to a system (10) for drilling a vertical well in the ground (S) along a substantially vertical theoretical drilling trajectory, comprising a drilling device (30) comprising a hollow core (32) having a longitudinal a...
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WO/2019/005850A1 |
A beam pumping unit includes an integrated base assembly that has a precast concrete pad and a support base partially embedded within the precast concrete pad. The beam pumping unit further includes a pedestal supported by the support ba...
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WO/2019/003648A1 |
A hydrocarbon recovery method that recovers a production fluid containing hydrocarbons from a production well provided in the seabed inhabited by microorganisms that generate carbon dioxide or sulfate ions for promoting the precipitation...
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WO/2019/000033A1 |
The present invention provides a drill assembly (11) comprising a drill (13) for drilling rock, a support (15) for supporting the drill, and a valve (17) for releasably securing the support and drill together. The valve is adapted to rec...
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WO/2019/002906A1 |
Electric valve actuator, comprising: a stem (41, 43) for moving a valve member between open and closed positions; a drive assembly for moving the stem comprising an electric motor (31); a biasing assembly (5) adapted to act on the stem t...
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WO/2019/005709A1 |
A downhole steering system includes a substantially tubular housing, a shaft positioned within the substantially tubular housing, a first bearing and a second bearing, the first and second bearings being configured to support rotation of...
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WO/2019/002806A1 |
An element (1) for a bend restrictor, the element (1) comprises a first part (2) and a second part (3) which together provide a cavity for receipt of a flexible pipe, in use, the two parts (2, 3) are pivotably connected together at a fir...
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WO/2019/005243A2 |
A shaped charge produces a constant velocity jet. The shaped charge is comprised of individual modules which can be assembled to produce a constant velocity jet of arbitrary length. The resulting jet speed is approximately twice the deto...
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WO/2019/005029A1 |
An indexing apparatus for use with a downhole tool may include a tubular body and a mandrel. The tubular body may have a first end and a second end. The tubular body may also have a plurality of body detents on the second end of the tubu...
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WO/2019/000631A1 |
Disclosed is a device for the automatic downhole connection of a built-in monitoring and adjustment cable of a string for intelligent separate layer water injection. The device comprises a water injection string (1), wherein a cable-rele...
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WO/2019/006141A1 |
Methods, systems, and devices for sealing stage tool leaks are disclosed. In one aspect a stage tool for wellbore cementing comprises an external stage tool body and a sliding sleeve within the external stage tool body configured to regu...
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WO/2019/005077A1 |
A plug insert for use in a frac plug tool comprising a plug top, a plug body and an elastomeric O-ring, The plug top is shaped to rest on a seat of an upper end of a mandrel of the frac plug tool and the plug body is shaped to fit in a f...
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WO/2019/005394A1 |
A method includes controlling a first power output to an electric machine during a transient event. Controlling the first power output includes measuring values of the first power output provided to the electric machine during the transi...
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WO/2019/004999A1 |
A bottom hole assembly includes a single wire bus, a legacy sensor coupled to the single wire bus, and at least one high frequency communication sensor coupled to the single wire bus. The high frequency communication sensor injects a hig...
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WO/2019/005018A1 |
A method for synchronizing signals among transmitters and receivers of a logging tool positioned in a borehole is provided. Measurement signals generated from operating a transmitter in the borehole are acquired by a receiver. An operati...
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WO/2019/004836A1 |
Disclosed is a drilling system for rock drilling with a drill string, wherein the drill string comprises at least one bendable drill pipe, the drilling system comprising at least two block and tackle systems for driving an end of the dri...
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WO/2019/005356A1 |
Systems and methods for generating a Methane number for a compressed natural gas fuel by obtaining compositional data from one or more particular analyzers and applying the obtained compositional data to one or more selectable Methane nu...
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WO/2019/001146A1 |
A vehicular guardrail drilling machine capable of folding a drilling rig, comprising a folding mechanism (5) arranged on a vehicle body (1) and used for folding a drilling rig (3) positioned outside of the vehicle body (1) to above the v...
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WO/2019/005023A1 |
A completion system and a method for powering a downhole component of a wellbore are provided. In one example, the completion system comprises at least three different types of power sources for powering a downhole component in a wellbor...
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WO/2019/004834A1 |
The invention relates to a downhole tractor (10) comprising a hydraulic system (10s) for driving a plurality of hydraulic cylinders (160-1..160-4) and a plurality of hydraulic motors (170-1..170-4). The hydraulic system (10s) comprises: ...
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WO/2019/003096A1 |
A continuous vertical tubular handling and hoisting buoyant structure has a hull, a main deck, an upper neck extending downwardly from the main deck, an upper frustoconical side section, an intermediate neck, a lower neck that extends fr...
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WO/2019/004837A1 |
There is described a drilling system (1) for drilling a well, the drilling system (1) having a well centre (8) through which a drill string (2) may be run into and pulled out of the well, said drilling system (1) comprising : - a coilabl...
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