Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1,401 - 1,450 out of 3,694

Document Document Title
WO/2017/204784A1
A method includes conveying a wellbore isolation device into a wellbore, the wellbore isolation device including a primary valve arranged within a central flow passage. A fluid is then circulated through the central flow passage and into...  
WO/2017/204654A1
A valve (1) arranged to close a flow path extending through it, on the loss of an electrical voltage supplied to a driving motor (6) of an actuation element (10), the driving motor (6), which comprises a stator (6a) and a rotor (6b), bei...  
WO/2017/204657A1
A toe valve (1) comprising;a housing (200) having an interior and exterior; a sliding sleeve (8); a counter mechanism (2) comprising a cylinder, a ratchet piston (11, 27) with first and second ends, and a ratchet shaft (14, 28) connected...  
WO/2017/203290A1
A well comprising a pressure activated device exposed to pressure in an annulus above a barrier between an upper tubular and the borehole. An acoustic or electromagnetic (EM) transmitter is coupled to the pressure activated device and co...  
WO/2017/204817A1
A method includes generating kth, (k+1)th,..., (kfinal)th control inputs for actuating flow control devices of a production well and/or an injection well of a well system during corresponding sampling steps k, (k+1),..., kfinal, actuatin...  
WO/2017/201518A1
A frac stage isolation device including instruments for measuring pressure, temperature, salinity, pH, electromagnetic waves and/or other physical parameters such as vibrations from acoustic energy emissions during a hydraulic fracturing...  
WO/2017/201526A1
A hydraulic fracturing system and method for enhancing effective permeability of earth formations to increase hydrocarbon production, enhance operation efficiency by reducing fluid entry friction due to tortuosity and perforation, and to...  
WO/2017/198536A1
An actuator apparatus (10) for a valve (12), such as a subsea choke valve, comprises an actuator (16) for actuating the valve (12) and an override apparatus (18). The override apparatus (18) is disposed laterally of the actuator (16) and...  
WO/2017/200788A1
A slow pressure triggered valve for a downhole tool may include an outer housing and a sliding sleeve. The sliding sleeve may slide within the outer housing such that apertures formed on the sliding sleeve do not align with fixed apertur...  
WO/2017/196420A1
A computer-based corrosion/erosion module (112), communicatively coupled with a probe (110), estimates corrosion/erosion rates in a pipeline (104) based on metal loss measurements. A High Integrity Pipeline Protection System (HIPPS), ups...  
WO/2017/193163A1
A valve assembly comprises a housing for allowing passage of fluid therethrough from a first end of the housing to a second end of the housing, the housing comprising an internal bore for receiving a rotatable shaft, a valve member posit...  
WO/2017/196341A1
A wellbore isolation assembly including a plurality of discrete components each having an inner bore with a center axis, the plurality of discrete components axially abuttable such that each of the inner bores align to form a common bore...  
WO/2017/193492A1
The invention discloses a downhole plugging device for an oil well. Inside an oil column (2) is a sealing projection seat (7) having a sealing surface and a limiting projection (8). Installed in the oil column (2) and above the sealing p...  
WO/2017/196303A1
A downhole tester valve disposed below an isolation member in a test string may facilitate a shut-in drill stem test procedure. The positioning of the tester valve allows the tester valve to remain in a static location when the test stri...  
WO/2017/192388A1
Blowout preventers having bodies with internal choke and kill line pass-through conduits are provided. In one embodiment, a blowout preventer body (42) includes a drill-through bore (44) extending through the blowout preventer body and a...  
WO/2017/191442A1
The present invention relates to a downhole apparatus and a valve arrangement for a downhole apparatus having a tubular body having first and second ports in a wall thereof; and a method of operating a valve arrangement of a downhole app...  
WO/2017/192604A1
A method, system, and apparatus for restraining a firing pin using a bushing for use in a downhole switch that is armed using the explosive energy of a previously detonated shaped charge.  
WO/2017/189110A1
An operating control line is in communication with an operating piston for the safety valve as well as an equalizing piston such that pressure in the operating control line opens the safety valve and holds the equalizer valve closed. A b...  
WO/2017/189731A1
The apparatus may include a tool conveyed by a conveyance device. The tool has a body with a load bearing section, an outer surface defined by a diameter, a rotational axis, and a channel in the body extending from an opening at the oute...  
WO/2017/189000A1
Included are well systems and methods for use in subterranean formations. An example well system comprises a water front sensor operable to sense a water front, wherein the water front sensor comprises a water front sensor signal transmi...  
WO/2017/187305A1
A method for operating a pressure operated device in a wellbore includes conducting pressurized gas to a power fluid inlet port of a valve at a first pressure. The first pressure is selected to cause a shuttle in the valve to be position...  
WO/2017/187158A1
A device (1) for controlling the flow of a fluid through a conduit (3) from an upstream side (8) to a downstream side(10). The device includes a housing (4) having one or more valve apertures (6) through which the flow of fluid is select...  
WO/2017/187157A1
A device (1) for controlling the flow of fluid through a conduit from an upstream side (3) to a downstream side (5). The device includes a housing (4) with a wall (6) having valve apertures (8) through which the flow of fluid is selectiv...  
WO/2017/189902A1
A system includes a choke valve, an actuator configured to adjust a position of the choke valve, a variable frequency drive configured to adjust a speed at which the actuator adjusts the position of the choke valve, and a controller conf...  
WO/2017/184130A1
A ball valve is disclosed that includes a valve housing, a first seat surface having a first inner diameter and a first outer diameter, and a second seat surface having a second inner diameter and a second outer diameter. The second inne...  
WO/2017/180632A1
A method and apparatus for completing a well that includes a subsurface barrier valve utilizes an injection valve which includes a variable orifice insert. The injection valve includes a mechanism for sensing pressure cycles that are emp...  
WO/2017/180271A1
A device, system, and method for locating collars along a casing string. The device includes a casing collar locator (CCL) and a valve in communication with the CCL connected to a work string. Fluid is pumped down the work string as the ...  
WO/2017/181051A1
A valve apparatus that includes a first containment area having a fluid disposed therein at a first fluid pressure and a second containment area disposed below the first containment area having a fluid disposed therein at a selective flu...  
WO/2017/176636A1
In one embodiment, an annular isolation device (100) for a riser includes a tubular body (110) connectable to the riser. A closure member (151) is rotatable between a closed position isolating fluid communication in the tubular body and ...  
WO/2017/173108A1
Provided are methods and systems for controlling a pressure relief valve. An electronic control unit monitors pressure being supplied from a source. If the control unit determines that the monitored pressure is above a threshold pressure...  
WO/2017/171951A1
Systems and methods describe to a frac sleeve with an expandable ball seat. More specifically, the systems and methods include an expandable ball seat within a frac sleeve configured to allow a single frac -ball to treat a plurality of z...  
WO/2017/173305A1
Aspects of magnetic gradient drilling are described. In one embodiment, a system includes a drill pipe, drilling fluid, and a magnetic assembly tool connected to or integrated with the drill pipe. Among other elements, the magnetic assem...  
WO/2017/164868A1
Disclosed herein are embodiments of a fail-safe surface controlled electric subsurface safety valve for use in a well. For example, in one embodiment, an electric sub-surface safety valve (eSSSV) system is disclosed that includes a maste...  
WO/2017/165682A1
A ported sub integrates a seat for an object to land on to allow pressure buildup. A sleeve shifts with the ball and the seat to open ports that are screened. The openings feature hardened inserts to control wear from high velocity fluid...  
WO/2017/160451A1
An actuation configuration including a baffle having an opening, a plug comprising a plug material extrudable into the opening and compactable therein to hold a differential across the baffle. A borehole system including a housing, a sea...  
WO/2017/160291A1
A flow control assembly having a body defining a central flow passage and one or more lateral flow openings that facilitate fluid communication between the central flow passage and an exterior of the body, and a flow trim positioned with...  
WO/2017/160337A1
A downhole equalization assembly (100) permits selective and remote opening of at least one downhole port (21) or pathway to allow communication of pressure and/or fluid flow from inside a pressure containing system (such as, for example...  
WO/2017/160278A1
A system for controlling flow and access in multilateral completions is disclosed. The system includes a flow control sub having a single bore portion and a dual bore portion with a sleeve disposed therein. The flow control sub further i...  
WO/2017/160937A1
A tool includes a housing between an outer wail and an inner wall that surrounds a longitudinal tool bore. First and second axially spaced ports connect the housing to the tool bore. An unlocking piston seals across the first port and an...  
WO/2017/160264A1
Wellbore systems containing a hydraulically regulated primary safety valve may have their hydraulic regulation transferred to an insert safety valve disposed in a nipple. Transfer of the hydraulic regulation may take place mechanically, ...  
WO/2017/161011A1
A method is provided to provide fractures in a subterranean formation that utilizes set of first wire line controllable valves (108) to open communication between the inside of a casing (107) and an outside of a casing that has been ceme...  
WO/2017/155503A1
A reclosable multi-zone isolation tool including a piston assembly with a lock out feature. The tool has an outer and inner tubular having an annular flow path defined there between, and a central flow path defined by the inner tubular. ...  
WO/2017/156107A1
A control valve assembly includes a body having a first mud flow passage defining a mud flow inlet and one or more second mud flow passage portions. A magnetic plunger is slidingly mounted within the body. The magnetic plunger includes o...  
WO/2017/155550A1
A bypass diverter sub including a housing defining a flow passage, a control line bypass piston arranged within a control line bypass bore defined in a wall of the housing, and a balance line bypass piston arranged within a balance line ...  
WO/2017/156106A1
A control valve assembly includes a body having a mud flow passage provided with a mud flow inlet and a mud flow outlet, a magnetic sleeve slidingly mounted to the body, and a solenoid mounted to the body adjacent the magnetic sleeve. Th...  
WO/2017/155674A1
The annular space surrounding a flow tube in a subsurface safety valve is sealingly isolated at opposed ends of the flow tube and pressure compensated to the tubing pressure. The subsurface safety valve is inserted and aligned in an oute...  
WO/2017/155549A1
A well system includes a tubing string and a subsurface safety valve interconnected with the tubing string and including a housing that defines a central flow passageway and includes a flapper pivotable within the central flow passageway...  
WO/2017/155504A1
A reclosable multi-zone isolation tool including a mandrel assembly with a pull-force lock feature. The tool includes an outer and inner tubular having an annular flow path defined there between, and a central flow path defined by the in...  
WO/2017/156105A1
A control valve assembly includes a body including a mud flow passage having a mud flow inlet and a mud flow outlet, a magnetic plunger slidingly mounted within the body, and a solenoid mounted at the body about the magnetic plunger. The...  
WO/2017/151269A1
A downhole system including a valve including a housing having a longitudinal axis, a flowbore within the housing for fluid flow along the longitudinal axis, an annulus within the housing, the annulus concentrically surrounding the flowb...  

Matches 1,401 - 1,450 out of 3,694