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Patent Searching and Data


Matches 701 - 750 out of 7,587

Document Document Title
WO/2022/064167A1
A washpipe cartridge for carrying drilling mud in a top drive of a drilling assembly, the washpipe cartridge comprising: a housing adapted to fit between a stationary goose neck pipe of the top drive and a drill string, wherein the drill...  
WO/2022/066709A1
Disclosed herein are various embodiments of an Annular Pressure Control Ram Diverter designed to be positioned below the conventional blowout preventer stack, and which will be activated during near balanced drilling operations to seal t...  
WO/2022/060359A1
A cement composition can include: water; cement, wherein less than 75 w/w% of the total amount of the cement is Portland cement; and a fluid loss additive, wherein the fluid loss additive comprises a polymer network having at least one b...  
WO/2022/058780A1
The present invention relates to a high-pressure mechanical multi-seal device (I) for power lines or flow-and-control lines for an oil wellhead, characterised in that it comprises two or more additional sealing devices, wherein the devic...  
WO/2022/060388A1
An automated Back Pressure Valve (BPV) lubricator system includes a lubricator having a lubricator shaft terminated in a BPV lubricator connection; one or more hydraulic pistons attached to the lubricator; a hydraulic motor attached to t...  
WO/2022/060664A1
A downhole tool and method, of which the downhole tool includes a housing defining a charge chamber and a hydraulic chamber, the hydraulic chamber containing a hydraulic fluid, and a piston disposed in the hydraulic chamber. The piston p...  
WO/2022/061326A1
A blowout preventer (BOP) assembly includes a body portion, a bore extending through the body portion, and a ram block assembly. The ram block assembly includes a first ram block being movable into the bore and a second ram block being m...  
WO/2022/060717A1
A segmented backup ring including a plurality of individual segments each having curved surfaces that define an arcuate portion of the ring, each segment including a body section having the arcuate profile and defining a receptacle there...  
WO/2022/058547A1
A well regenerating apparatus comprising: a treatment device (41), arranged to regenerate a well screen (WS) in a treatment zone of the well screen (WS), at least an upper packer (31) and a lower packer (32) arranged to isolate the treat...  
WO/2022/052289A1
A device having borehole protection screen pipes along the full length of a soft coal seam and using pressurized hole sealing, and a method, relating to the technical field of gas extraction and solving the problem of blocking due to a b...  
WO/2022/056372A1
A downhole tool including a tubular member having an outer surface and an inner surface defining a flow bore. An expandable member is arranged on the outer surface. The expandable member is selectively radially outwardly expandable. An a...  
WO/2022/049446A1
A method for lifting a tubular string from a wellbore includes cutting the tubular string at a selected depth in the wellbore. A check valve is disposed in the tubular string above the selected depth. An interior of the tubular string is...  
WO/2022/050868A1
The invention relates to the oil production industry, and more particularly to downhole devices for the repeated pressure testing of a tubing string in a well, inter alia of small diameter. The technical result is a reduction in the time...  
WO/2022/051752A1
In one example, an apparatus includes a body, a propulsion system configured to move the body in a forward direction and in a reverse direction, and a reusable sealing and isolation element connected to the body and configured to be depl...  
WO/2022/050966A1
An apparatus includes a drill bit having a frangible drive shaft, a thread cutting surface formed on an outer surface of the drill bit, a conical swage formed on the drill bit, the conical swage having a conical shape, and a seal plug co...  
WO/2022/051278A1
A riser fluid handling system for managed pressure drilling includes a tubular portion having a lower end configured to be connected to a riser and an upper end, a spool connected to the upper end of the tubular portion, the spool having...  
WO/2022/046630A1
A pressure control system includes a housing having a bore and a first pair of opposed rams positioned within the housing. The first pair of opposed rams is configured to move between a retracted position and an extended position relativ...  
WO/2022/046131A1
Provided is a system for emplacing an electrically activated lost circulation material within a wellbore. The system may comprise a bottom hole assembly connected to a drill string, with an activation tool that may be provided along the ...  
WO/2022/043078A1
A dummy insert (20) for a plug (12) of a connector assembly (11), the dummy insert (20) comprises a forward end (45) and a rearward end (46), an insert body (22), an array of shuttle pin assemblies (24), a retention plate (26). The inser...  
WO/2022/046851A1
A fluid conduit defines a fluid passage from a well annulus to a venting system. A first pressure safety valve is positioned within the fluid passage. The first pressure safety valve is configured to open at a first set pressure. A secon...  
WO/2022/046691A1
A packer assembly for an annular blowout preventer (BOP) includes an elastomeric sealing packer and multiple inserts that support the elastomeric sealing packer. Each insert of the multiple inserts includes an upper member and an interme...  
WO/2022/040439A1
The invention relates to a method of conducting a perf wash cement ("P/W/C") abandonment job in an offshore oil or gas well annulus, in particular the washing or cementing operation using a rotating head with nozzles dispensing wash flui...  
WO/2022/038387A1
A method of abandoning a well, where the well is at least a length of tubing, and a first annulus outside the tubing, comprising the steps of puncturing a hole or holes in the tubing, the holes in the tubing giving access to the first an...  
WO/2022/040567A1
An overshot apparatus includes a tubular housing (115) and a grapple (121) disposed within a bore of the tubular housing. The grapple (121) has a central opening to receive a fish and is operable to grip an outer diameter of the fish. A ...  
WO/2022/040115A1
A closing unit system for a blowout preventer (BOP) stack includes a first fluid reservoir, a first power source, a first pump system fluidly coupled to the first fluid reservoir and electrically coupled to the first power source, and a ...  
WO/2022/040265A1
A system and method of reverse stage cementing in which flow into a casing string 16 from an annulus 34 between the casing string 16 and wellbore 12 walls is pressure dependent; the flow is blocked after stage completion. The flow enters...  
WO/2022/040458A1
The invention relates to a cementing tool for use in oil and gas well decommissioning operations, in particular so called perforate, wash and cement procedures. The tool (1) is designed for running in a well on drill string and for jetti...  
WO/2022/040414A1
A completion system includes a lower completion including production tubing, a valve disposed downhole of the production tubing, an indexer connected to the valve, a pressure sensing port disposed near a top end of the lower completion, ...  
WO/2022/040465A1
The invention relates to a cementing tool and method for setting a cement plug. Instead of the conventional "balanced plug", the technique involves pumping cement whilst pulling and rotating the tool. The cementing tool includes nozzles ...  
WO/2022/036345A1
A tool for mechanically unlocking a subsea hydraulic connector which is configured to releasably connect a first subsea component to a second subsea component. The connector includes a housing which is secured to the first subsea compone...  
WO/2022/035704A1
The present disclosure, in at least one aspect, provides a valve, a method for sealing, and a related well system. The valve, in one aspect, includes a housing, and a sliding sleeve disposed in the housing and defining an annular flow pa...  
WO/2022/035700A1
The present disclosure, in at least one aspect, provides a displacement plug for us in a wellbore tubular, a method for entering a well system, and a related well system. The displacement plug, in one aspect, includes a plug body for lan...  
WO/2022/031509A1
A variable bore ram packer (18) and a ram-type blowout preventer (10) using the same are disclosed. In one embodiment of the variable bore ram packer (18), an upper shutter assembly (20) is vertically spaced from a lower shutter assembly...  
WO/2022/031549A1
A frac plug apparatus has a plug body that comprises a central bore and separable elements. The central bore extends axially through the plug body. The separable elements are joined by relatively weak bridging portions adapted to break i...  
WO/2022/025913A1
Electrically insulated connector bands for Downhole Electrical Disconnect Tools provide power and/or data communication downhole are made from metal having sufficient strength and corrosion resistance to eliminate the need of any vacuum ...  
WO/2022/022860A1
A system includes a tubing head spool (THS) (208) installed in a non-plugged wellbore, the THS (208) having a bore (210) with a diameter (212) to permit passage of one or more wellbore components corresponding to one or more wellbore com...  
WO/2022/026698A1
A downhole tool includes a body defining an axial bore and one or more radial ports. The downhole tool also includes a first sleeve positioned at least partially within the body. The first sleeve is configured to block fluid communicatio...  
WO/2022/026590A1
A system and a method for isolating pressure in a wellbore are described. The system includes a body, a first packer, a second packer, and a control assembly. The body couples to a wellhead and casing. The first packer is disposed within...  
WO/2022/026710A1
A single-trip cut and pull system for a wellbore including a cutter, a power section, and an anchor selectively actuable independently of the power section; a method for cutting and pulling casing in a single run including running a cut ...  
WO/2022/026727A1
A method can include receiving pressure data with respect to time acquired via a pressure sensor disposed in an uphole region of a bore of a well, where a plug is disposed in the bore to define the uphole region to one side of the plug a...  
WO/2022/025790A1
The position of a droppable object (e.g., a cementing plug or drillpipe dart) in a cased wellbore may be determined in real time during a cementing operation. A pressure data acquisition system is installed at a wellsite and a pressure t...  
WO/2022/025952A1
A method includes wrapping a packer bag around a deployment tool, providing at least one canister in fluid communication with the packer bag, sending the packer bag around the downhole tool to a downhole location in a well, and injecting...  
WO/2022/026919A1
A seal assembly for a pipeline plug may include a pressure head including a forcing face. The seal assembly may include a primary tapered ring including an expansion face. The expansion face may abut the forcing face. The seal assembly m...  
WO/2022/026683A1
A method can include receiving pressure data with respect to time acquired via a pressure sensor disposed in an uphole region of a bore of a well, where a plug is disposed in the bore to define the uphole region to one side of the plug a...  
WO/2022/026571A1
A slurry outlet system including a top sub, a closure sleeve movable relative to the top sub between a closed position and an open position, a seal mounted on one or the other of the top sub or the closure sleeve, a protector sleeve disp...  
WO/2022/025939A1
An apparatus for activating chambers of downhole hydraulic screens. The apparatus comprises an outer sleeve, an inner sleeve, and a flow path. The outer sleeve is coupled to one hydraulic screen on one end and another hydraulic screen on...  
WO/2022/025884A1
A downhole tool can include: an inner mandrel; at least one component, wherein a portion of the at least one component moves in a direction radially away from the inner mandrel when the downhole tool is set; and a protective covering, wh...  
WO/2022/026685A1
An apparatus for solids analysis of a wellbore fluid includes a pipe formed from radiolucent material, the pipe having a bore for conveying the wellbore fluid. The apparatus includes an excitation source for generating source x-rays. The...  
WO/2022/025942A1
A method of plugging a section of a wellbore wall includes sending a plug injection tool to a downhole location proximate the section of the wellbore wall, setting a first seal below the section of the wellbore wall using the plug inject...  
WO/2022/022355A1
The present invention relates to a self-healing composition, and a preparation method for and an application of the composition. The composition is of a core-shell structure; the core contains a hydrogenated styrenic thermoplastic elasto...  

Matches 701 - 750 out of 7,587