Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1,451 - 1,500 out of 3,694

Document Document Title
WO/2017/151126A1
A downhole tool having a flapper valve assembly for controlling the backflow of fluid into a tubing string that includes at least one flapper. The downhole tool also includes a deformable element that maintains the at least one flapper i...  
WO/2017/151640A1
A system for enhanced oil and gas recovery. The system can comprise a boiler. The system can further comprise at least two capillaries in fluid communication with the boiler. The at least two capillaries can be disposed in an injector pi...  
WO/2017/150981A1
An apparatus (1) for injecting a fluid into a geological formation (10) comprises, in sequence from a string supplying an injection fluid from the surface, an upstream packer (200), a normally open sleeve valve (100), a downstream packer...  
WO/2017/146725A1
Scale remediation at or around a downhole safety valve (DSV), including the volume of a wellbore in a subterranean formation above the DSV. Wellbore fluid is displaced using a gas, the DSV is closed, the gas is released, and a treatment ...  
WO/2017/146850A1
A detonating restriction plug element and method in a wellbore casing. The element includes a hollow passage in the restriction plug element that receives a detonating assembly coupled to a mechanical restraining element, and a space for...  
WO/2017/146849A1
A time delay tool and method includes a mechanical restraining element, a reservoir for containing a reactive fluid, an actuating device and a wellbore device. When a stored energy is applied on the wellbore device, the actuation device ...  
WO/2017/142926A1
A local position indicating device for a subsea isolation valve that has no other visual signals of its position integrates to the hydraulic actuation system for the isolation valve. Three way valves, connected to an operating control li...  
WO/2017/142839A1
A valve collar for a downhole packer includes a flow path. The flow path includes an opening valve and closing valve. The valve collar further includes a lockout valve piston. The lockout valve piston is positioned such that in an unset ...  
WO/2017/139343A1
A valve for use in a hydraulic circuit to drive a piston is fluidly connected to a first actuating chamber of the hydraulic piston. The valve is piloted to close when the first chamber is pressurized. The valve vents the fluid in the fir...  
WO/2017/137622A1
The present invention relates to a device (1) for enabling removal of a horizontal Christmas tree (HXT) from a wellhead (WH) or for installation of a horizontal Christmas tree (HXT) on a wellhead. The device comprises a housing device (1...  
WO/2017/139063A1
A rotating ball valve assembly includes a rotatable ball element. The rotatable ball element includes a first side portion, a second side portion, and a central passage. One of the first and second side portions includes first and second...  
WO/2017/137559A1
The present invention relates to a well tool device (1). A housing (10) has an inner surface (11) defining a through bore (12). A frangible disc (20) comprising upper and lower chamfered supporting surfaces (20a, 20b) and is supported by...  
WO/2017/139064A1
A frac plug for use in a plug and perf arrangement to within a wellbore. The frac plug includes a central mandrel and locking portion which can be set within the wellbore. A bypass port is disposed through the central mandrel and is unbl...  
WO/2017/137465A1
The present invention relates to a downhole device for being moved downwards in a well by fluid to assist stimulation of a production zone of the well, the well comprising a well tubular structure having a first opening and a first movab...  
WO/2017/136413A1
A downhole secondary flow path member includes a tubular having a first end portion, a second end portion, and an intermediate portion having a flow passage extending therebetween. The tubular includes a first opening arranged adjacent t...  
WO/2017/132744A1
A burst plug assembly for use in the fluid port of a tubular fracturing tool to provide erosion resistance. A choke insert is retained in the central bore of the burst plug assembly. A groove in a face of the plug assembly circumscribes ...  
WO/2017/129612A1
The present invention relates to an annular barrier (1) for being expanded in an annulus (2) between a well tubular structure (3) and a wall (4) of a borehole (5) downhole for isolating a first zone (101) from a second zone (102) in the ...  
WO/2017/131856A1
A method and apparatus are provided for controlling wellbore pressure within a wellbore during a perforation event by changing a state of a valve system multiple times. Information generated about the wellbore pressure within the wellbor...  
WO/2017/131859A1
A crossover sub (200) includes a tubular housing connected to a drill string (202) in a wellbore (204), a sealing structure to seal against a wellbore wall (232), and a sleeve valve (234) disposed within the housing and movable between a...  
WO/2017/124978A1
A sliding sleeve comprises an upper connector (1), a lower connector (2), an outer cylinder (3), an inner cylinder (4), and a shear pin (5). The upper connector (1) and the lower connector (2) are respectively connected to two ends of th...  
WO/2017/124977A1
A tool for opening a sliding sleeve. The tool for opening a sliding sleeve comprises a fastening and hanging member (1), a ball seat (2) and a guide head (3) that are sequentially connected. The fastening and hanging member (1) comprises...  
WO/2017/124171A1
The invention relates to a multistage high pressure fracturing system and tubular hydraulic valve (THV) system for connection to a completion string to enable isolation of a zone of interest within a well. In particular, the system enabl...  
WO/2017/123198A1
A wellbore isolation device includes an elongate mandrel, a sealing element carried by the mandrel, and a slip wedge positioned about the mandrel axially adjacent the sealing element and providing an outer radial surface. A set of slip s...  
WO/2017/123239A1
The present disclosure relates to passively rotating a valve using fluid flow. Some aspects may involve a valve including a body, a lower stem, and vanes. The body may include a bottom portion that can be positioned with respect to a sea...  
WO/2017/123249A1
A downhole tool velocity control apparatus includes a body having a portion with static circumferential diameter and a portion with a variable circumferential diameter. The portion with variable circumferential diameter has at least one ...  
WO/2017/122025A1
A method for deploying a pump in a wellbore comprises coupling the pump to an end of a coiled tubing having upper and lower coiled tubing portions interconnected by a releasable tubing connector, and inserting the pump into the wellbore ...  
WO/2017/118618A1
The present invention relates to a well tool device (1) comprising a housing (10) having an inner surface (11) defining a through bore (12), a frangible glass body (20) comprising upper and lower chamfered supporting surfaces (20a, 20b) ...  
WO/2017/118579A1
A pressure control system (10) for an oil or gas well, comprising: a moveable member (105, 205) moveable between an open configuration in which fluid is permitted to flow from a first region of the well to a second region of the well and...  
WO/2017/116409A1
Wellbore isolation devices may be produced with wear bands and slips having modified surfaces to change the frictional properties between these components and the surrounding wellbore surface. For example, a wellbore isolation device may...  
WO/2017/116381A1
A method of actuating a selected electrically powered device such as a solenoid operated valve (SOV) among a plurality of electrically powered devices coupled between a first conductor and second conductor includes applying a high voltag...  
WO/2017/115088A1
A valve assembly for use in a wellbore of an oil, gas or water well, having a valve seat to seat a valve closure member such as a ball, and a control member that is adapted to cycle the valve assembly between first and second configurati...  
WO/2017/116456A1
Systems and methods for managed pressure cementing and/or completions operations in subterranean well bores are provided. In some embodiments, the methods comprise: placing a tubular string into a well bore, wherein an outer surface of t...  
WO/2017/116448A1
A downhole tool including multiple orifices defining at least a first and a second flow path, and a valve that adjusts to change a ratio of fluid flow between the first and second flow paths, the valve being offset from the multiple orif...  
WO/2017/116427A1
Apparatuses and methods for pressure regulating check valve assemblies are described. In an example, the check valve assembly comprises a housing defining a fluid passage having a fluid inlet side and a fluid outlet side. A first check v...  
WO/2017/112699A2
An apparatus for controlling flow of a fluid in a fluid conduit may include a closure member having an outer circumferential surface defined by a composite geometry, a biasing member applying a biasing force to the closure member, and a ...  
WO/2017/112711A1
A method of manufacturing a fluid-handling component (12) includes forming a liner (30) via an additive manufacturing process and forming a body (28) about the liner via a powder compaction process. The body may be coupled to the liner v...  
WO/2017/106585A1
Disclosed is an apparatus and method for providing an activation pressure for a down hole too comprising a tool string having a pressure activated tool located at a distal end thereof, an opening passing through the tool string from an i...  
WO/2017/100905A1
There is provided parts for assembly to produce a flow diverter configured for disposition within a wellbore. The parts include an insert-receiving part including a passageway, and a flow diverter-effecting insert configured for insertio...  
WO/2017/105958A1
A method for installing a production string in a wellbore and a production assembly for deployment in a wellbore are disclosed. An upper completion portion including a tubular and an upper circulation valve and a lower completion portion...  
WO/2017/105341A1
A subsurface safety valve includes a housing and a flow tube disposed in the 5 housing. The flow tube is movable relative to the housing. A flapper is moveably coupled to the flow tube. An actuator end is coupled to the flow tube to prov...  
WO/2017/100939A1
Downhole tool assembly comprises a whipstock engageable with a flow control device. The whipstock comprises a channel. A core is removably mounted in the channel. The flow control device comprises a valve with a shiftable sleeve for sele...  
WO/2017/099777A1
A method includes conveying a junction isolation tool, a junction support tool, a lateral completion assembly, and a completion deflector into a parent wellbore lined with casing. The completion deflector is coupled to the casing and the...  
WO/2017/099789A1
A wellbore isolation device includes a tubular body having an inner bore formed longitudinally therethrough. A plurality of centralizing arms is radially extendible from the tubular body. At least one slip is radially extendible from the...  
WO/2017/097945A1
Example embodiments presented herein are directed towards a safety system, for example a subsea workover safety system,for overriding a control module configured to actuate a component of a hydrocarbon production apparatus, particularly ...  
WO/2017/100370A1
A system includes a valve (12) having an annular body (48), a cap (60) positioned circumferentially about the annular body, and a stem (32) positioned within an axially-extending cavity (90) of the annular body. The stem is coupled to th...  
WO/2017/095496A1
Wellbore tubulars including a plurality of selective stimulation ports and methods of utilizing the same are disclosed herein. The wellbore tubulars include a tubular body (40) including an external surface and an internal surface that d...  
WO/2017/093745A1
A valve assembly (1) has a valve (14), for example a flapper valve, that is contained within an axially movable valve housing (11) in the form of a cartridge (10) that is received within the bore of a tubular member (5). More than one ca...  
WO/2017/095495A1
Selective stimulation ports (SSPs), wellbore tubulars that include the SSPs, and methods of operating the same are disclosed herein. The SSPs (100) are configured to be operatively attached to a wellbore tubular (40) and include an SSP b...  
WO/2017/095361A1
Oilfield tools having a metal-to-metal seal formed between a first metal surface and a second metal surface, wherein at least one of the first and second metal surfaces are at least partially coated by chemical bonding or physical deposi...  
WO/2017/095497A1
Select-fire, downhole shockwave generation devices (190), hydrocarbon wells that include the shockwave generation devices, and methods of utilizing the same are disclosed herein. The shockwave generation devices (190) are configured to g...  

Matches 1,451 - 1,500 out of 3,694