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Patent Searching and Data


Matches 1 - 50 out of 3,157

Document Document Title
WO/2018/013745A1
Backflow prevention assemblies and methods for downhole systems having outer strings and inner strings include a housing defining a cavity and being part of the outer string, a flow tube disposed between the inner string and the outer st...  
WO/2018/012980A1
A system (100) for enhanced oil recovery comprises a vertical and/or lateral string section (20, 30, 40, 50) configured for installation in a wellbore (10). A production segment (1) with an uphole production packer (111) and a production...  
WO/2018/009195A1
A system and method to for communicating with a telemetry tool by generating mud pressure waveforms is disclosed according to one or more embodiments. The system includes a rotor having a first bore spaced axially apart from a second bor...  
WO/2018/009874A1
A system includes a flow control assembly 10 having a first portion 40 configured to be positioned within and coupled to a first passageway formed in a wellhead component 16 and a second portion 80 configured to be coupled to a second pa...  
WO/2018/009183A1
Well systems comprise communicating devices for use in subterranean formations. An example well system comprises a mud valve system having a stator and a rotor to modulate drilling mud flow to provide increased pulse amplitude signals up...  
WO/2018/009191A1
A diverter assembly includes a tubing segment and one or more sleeve members disposed therein. The tubing segment includes apertures that are selectively alignable with apertures of an inner sleeve disposed within the tubing segment. The...  
WO/2018/009884A1
An orifice valve as disclosed herein produces a high pressure drop in a flowing fluid. A valve body includes a flow restrictor with multiple flow orifices or ports. The flow ports produce fluid jets. The flow ports may be angled relative...  
WO/2018/005892A1
A pressure control valve located in an improved tubing hanger of an oil or gas wellhead. The pressure valve having in-line communication with the production bore and having pressure activation. The pressure activation is imparted by util...  
WO/2018/004713A1
A well testing apparatus includes a separator, a well control assembly upstream of the separator, and a fluid management assembly downstream of the separator. At least one of the well control assembly or the fluid management assembly can...  
WO/2018/000470A1
An intelligent switch valve for reservoir transformation, production monitoring and control, comprising a connecting short section, an electrical short section, a liquid storage short section, a hydraulic control short section and a slid...  
WO/2017/222807A1
Example of the present disclosure relate to frac sleeve with set of inner sleeves that allow selective open and close of such sleeves, where clusters of the same frac sleeves to be treated top to bottom.  
WO/2017/223483A1
Method and computer system are used to optimize production management for oil, gas and water wells operating under user specified constraints by accounting for any specified reservoir, completion and wellbore properties. The method and c...  
WO/2017/222679A1
In one aspect, an isolation system is disclosed that in one embodiment contains a lower wet connect portion; a central production tubing; an isolation device associated with the central production tubing, and at least one control line, w...  
WO/2017/221035A1
Bore-lining tubing is described. The bore-lining tubing comprises tubing having a wall; at least one port in the tubing wall; and an insert in the port. The insert comprises a body for engaging the tubing wall and a plug mounted in the b...  
WO/2017/223005A1
A technique facilitates control over flow of fluid in a variety of well applications and other applications. A flow control device is used to automatically control flow of fluids based on viscosity of the fluids. For example, the flow co...  
WO/2017/223153A1
A downhole component includes a body and a stress riser formed in the body. The stress riser being positioned and shaped to promote a full fracture of the body while maintaining a structure of the body to bear force in at least one direc...  
WO/2017/218596A1
An early production system includes an Emergency Disconnect Package ("EDP"), a production riser coupled between the EDP and a sea surface processing facility, a gas export tubing coupled between the EDP and the sea surface processing fac...  
WO/2017/218457A1
A high-integrity pressure protection system Christmas tree is provided. In one embodiment, an apparatus includes a Christmas tree (12), a choke (16) coupled to receive fluid from the Christmas tree, and a high-integrity pressure protecti...  
WO/2017/218181A1
A crossover tool for use in a wellbore includes: a tubular housing having a bypass port 108p; a mandrel having a bore therethrough and a mandrel port 130p in fluid communication with the mandrel bore, the mandrel movable relative to the ...  
WO/2017/218481A1
A power fluid supply system for a well pressure control apparatus includes a control valve manifold in hydraulic communication between a fluid outlet of an hydraulic fluid accumulator and an hydraulic ram in the well pressure control app...  
WO/2017/216347A1
The present invention relates to a fracturing method for providing fractures in a formation downhole for optimising hydro-carbon production, such as gas or shale gas production, in a well having a well tubular metal structure comprising ...  
WO/2017/218594A1
An early production system includes an Emergency Disconnect Package ("EDP"), a production riser coupled between the EDP and a sea surface processing facility, a gas export tubing coupled between the EDP and the sea surface processing fac...  
WO/2017/209759A1
A gas separation and injection system includes a lower separator that receives and separates a production stream into higher and lower density streams, a turbine-compressor including a turbine that receives the lower density stream to ro...  
WO/2017/210090A1
A choke valve (14) that includes a choke body (20), a choke trim (22) disposed in the choke body, where the choke trim is configured to adjust a cross-sectional area of a flow path in the choke body to adjust a fluid flow through the cho...  
WO/2017/209727A1
An apparatus that is usable with a well includes a tubular assembly and an expansion tool. The tubular assembly has a radially contracted state and includes a restriction. The restriction is adapted to catch an object that is deployed in...  
WO/2017/210308A1
This disclosure includes methods for testing hydraulically-actuated devices and related systems. Some hydraulically-actuated devices have a housing defining an interior volume and a piston disposed within the interior volume and dividing...  
WO/2017/204804A1
Well systems comprising insert safety valves for use in subterranean formations are provided. An example well system comprises a mother safety valve and an insert safety valve. The mother safety valve comprises an inner diameter. The ins...  
WO/2017/204658A1
A tool activation device(100, 200)comprising: a pressure inlet port (4) configured to be in communication with a wellbore pressure (P1), a housing (300)comprising, a counter mechanism (20) with a first end and a second end, wherein the c...  
WO/2017/205303A1
A check valve includes a valve body having a flow bore which extends between the inlet and outlet ends of the body, a cavity which intersects the flow bore, and an opening which is connected to the cavity. A body cap is removably secured...  
WO/2017/204801A1
A ball valve including a valve body having inlet and outlet flow passageways connected by a valve chamber; a ball valve member mounted in the valve chamber for selective rotation between valve open and valve closed positions to control f...  
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...  

Matches 1 - 50 out of 3,157