Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 3,692

Document Document Title
WO/2023/141311A1
A technique facilitates improved actuation and use of packers disposed along a well string and placed in a borehole, e.g. a wellbore. A plurality of packers may be disposed along a base pipe, e.g. a production tubing. Each packer has an ...  
WO/2023/136824A1
Provided is a communications sub. The communications sub, in one aspect, includes a fluid chamber, and a pressure-activated indexing device positioned within the fluid chamber, the pressure-activated indexing device including a lock mand...  
WO/2023/137480A1
A method can include implementing a control scheme for a plurality of wells; using the control scheme, classifying each of the wells; based on the classifying, identifying one or more of the wells as experiencing liquid loading; and issu...  
WO/2023/132923A1
An object release device including a housing defining a longitudinally extending through bore and an object bore intersecting the through bore and a supply bore intersecting the object bore, an object shuttle disposed in the supply bore,...  
WO/2023/132844A1
A system for an adjustably flexible downhole tool includes first and second connector ends each configured to connect to adjacent downhole tools and a shaft extending between the first and second connector ends. The shaft is configured t...  
WO/2023/129187A1
Pressure-activated valve assemblies and methods to remotely activate a valve are disclosed. A pressure-activated valve assembly includes a valve, a latch mechanism configured to shift the valve to an open position, and a pressure-activat...  
WO/2023/129389A1
An arrangement for a buoyant liner or casing string including a shoe plug affixed to the string and configured to hold a pressure differential from a higher pressure outside of the string to a lower pressure inside of the string and to u...  
WO/2023/122826A1
There is provided a valve assembly suitable for use in a high temperature well, such as a geothermal well. The valve assembly comprises a tubular housing having ports to allow fluid communication between a fluid passageway in the valve a...  
WO/2023/129268A1
A downhole pump for a reciprocating system includes a barrel and a plunger. The barrel couples to a tubing string and has a standing valve. The plunger couples to a rod string and has a traveling valve. Either valve can include a housing...  
WO/2023/129388A1
A casing/liner string buoyancy arrangement including a casing/liner string, and a material defining a volume disposed within the string, the material excluding downhole fluids from the volume, the volume being of a lower specific gravity...  
WO/2023/121512A1
The group of inventions relates to the oil production industry, and more particularly to downhole equipment, and even more particularly to downhole electric valves for carrying out killing, completion, flushing and hydraulic fracturing o...  
WO/2023/115218A1
An apparatus and method are provided for draining substances from tubing disposed in a wellbore with a downhole pump, the apparatus including a drain valve that operates to drain the tubing into the wellbore and still enable tools to pas...  
WO/2023/119002A1
A pressure isolation assembly can include multiple pressure isolation modules arranged in series and isolating a pressure actuated downhole tool from a downhole fluid pressure. Each of the modules may be configured to open in response to...  
WO/2023/121910A1
A dual tubing locating adapter ("DLTA") for use with a mule shoe. The DLTA may include a housing, a primary tubing string, a lateral tubing string, and a retention mechanism. The primary tubing string may be positioned at least partially...  
WO/2023/113781A1
Certain aspects and features relate to a drilling system usable to drill a borehole. The drilling system may include a first housing defining a main fluid flow path and a second housing defining a bypass flow path toward an annulus of a ...  
WO/2023/111870A1
A tool for installation in a drill string for delivering, retrieving, activating and/or deactivating one or more downhole tools for performing one or more downhole functions with a drill string, the tool comprising: an outer body, a cont...  
WO/2023/113949A1
An autonomous flow control device includes a valve assembly having a fluid inlet and a fluid outlet. A valve element is disposed between the fluid inlet and the fluid outlet. The valve element has a viscosity dominant flow path configure...  
WO/2023/114471A1
A tool (1) is used to inject a rapidly solidifying sealant (921) into and across highly fractured oil and gas wellbore formations when a significant loss circulation zone or event is encountered. A system including the tool (1) allows fo...  
WO/2023/111228A1
The present invention relates to a downhole valve (1) device for providing access to a hydrocarbon reservoir (2), comprising a tubular element (3) having a wall (4), an inner face (5) and an outer face (6), the tubular element having a f...  
WO/2023/111610A1
The installation comprises a well completion (28) having at least an inner tubing (40) and at least an injection casing (42) defining with the inner tubing (40) an intermediate space (44). The well completion (28) comprises a wellhead (4...  
WO/2023/107341A1
A technique facilitates construction and operation of electric completion systems which may be used in the oil and gas industry. The technique is able to eliminate some or all hydraulic lines and replace them with electric lines. Dependi...  
WO/2023/106969A1
The invention relates to the development of hydrocarbon deposits, and more particularly to regulating the flow of produced hydrocarbons. The technical result is an increase in the productivity (hydrocarbon yield) and lifespan of a wellbo...  
WO/2023/108011A1
A screen is integrated with or connected to an electric flow control valve via a flow-through 3-way sub, wherein the 3-way sub comprises: a first connection configured to couple to the electric flow control valve; a second connection con...  
WO/2023/107596A1
A control system includes a hybrid electric closing unit including a tank including a usable volume of the control system, at least one primary pump configured to pump hydraulic fluid from the usable volume of the tank, a valve manifold ...  
WO/2023/107127A1
A hydraulic set packer system includes an outer sleeve and a mandrel extending through the outer sleeve. The mandrel has a setting port extending through a radial wall of the mandrel, and the setting port is configured to provide fluid c...  
WO/2023/107377A1
A packer system includes a packer assembly and a setting assembly. The packer assembly includes a packer mandrel that includes a shifting profile and an activation profile formed on an inner surface of the packer mandrel and an expandabl...  
WO/2023/101831A1
A downhole device and a method of performing an operation in a borehole. The downhole device includes an outer sleeve defining a bore therethrough, an inner sleeve disposed within the bore and axially movable with respect to the outer sl...  
WO/2023/102219A1
A system includes an actuator having an actuation stem, a screw assembly, an electric drive, and a lock. The screw assembly is coupled to the actuation stem, wherein the screw assembly includes a male screw portion coupled to a female sc...  
WO/2023/101829A1
An assembly and a method of performing an operation in a borehole. The assembly includes a plug, and a retrieving head rigidly coupled to the plug in a locked configuration. The retrieving head includes a lock disposed therein comprising...  
WO/2023/101666A1
A drilling system for drilling a wellbore using drilling fluid includes a drillstring, a drill bit coupled to the drillstring, and a mud motor coupled to the drillstring and operable to rotate the drill bit by rotating a driveshaft with ...  
WO/2023/101782A1
A non-pressure sensitive ("NPS") module. The NPS module may include a mandrel, a lug assembly, a release sleeve, and a retention mechanism. The mandrel may have fluid pathways that balance pressure uphole of the mandrel and downhole of t...  
WO/2023/101830A1
A clutch mechanism of a downhole assembly and a method of operating the assembly in a borehole. The clutch mechanism includes a plug including a mandrel and a wallengaging component, a sub of a ball valve, the sub coupled to the mandrel,...  
WO/2023/101655A1
A syntactic foam including a matrix material and a filler material. The filler material may include microspheres of metallic glass material, the microspheres may be hollow microspheres.  
WO/2023/101765A1
Methods and system involving well control. In some embodiments, the system includes an injection spool coupled to a subsea wellhead including an inlet, a manifold in fluid communication with the inlet of the injection spool for mixing on...  
WO/2023/101827A1
An assembly and a method of setting a plug in a borehole. The assembly includes a first lock, a second lock axially separated from the first lock. The plug is located between the first lock and the second lock. A bore of the assembly pas...  
WO/2023/097928A1
A hydraulic system for downhole sliding sleeve zone selection and opening degree control, comprising: a zone selection nipple (4) comprising a group of hydraulic input ports, a group of hydraulic output ports, and a first group of hydrau...  
WO/2023/096655A1
Provided, in one aspect, are a downhole tool and a well system including a downhole tool. The downhole tool, in one aspect, includes a tubular, the tubular having an opening connecting an interior of the tubular and an exterior of the tu...  
WO/2023/096737A1
A downhole tool including a mandrel having a first surface, and opposing second surface defining a flow path, a lock support zone provided one of the first and second surfaces, and a passage extending between the flow path and the first ...  
WO/2023/096656A1
Provided is a downhole tool. The downhole tool, in one aspect, includes an isolation system for placement at a junction between a first wellbore and a secondary wellbore. In at least one aspect, the isolation system includes an elongated...  
WO/2023/092061A1
A servo valve in a servo pulser used to restrict flow to a larger main valve includes external stops on a housing to define rotational starting / stopping points and sweep zones for a servo rotor having digits for contacting the stops. T...  
WO/2023/091334A1
A downhole tool including a body having a function relevant to a selected environment, an electroactive polymer (EAP) anchor disposed with the body and configured to expand, upon application of an electric signal to the EAP, into loaded ...  
WO/2023/091705A1
Latch designs for downhole components are provided. Some latch designs automatically lock in place in a mandrel pocket, for example automatically lock on or relative to both the no-go up and no-go down shoulders of the mandrel, when set....  
WO/2023/091157A1
A well sealing tool may include a hydraulic setting mechanism wherein a setting chamber is isolated after setting a sealing element in engagement with a wellbore. In one example, a setting mechanism includes a setting chamber housing pos...  
WO/2023/091928A1
Aspects of the disclosure relate to stage collars and related methods of operation thereof for stage cementing operations. In one implementation, a stage collar for stage cementing operations includes a barrel, and an activation sleeve d...  
WO/2023/086607A1
An artificial lift assembly includes an outer body, an inner body positioned at least partially within the outer body, and a first line in fluid communication with a first reservoir defined at least partially between the outer body and t...  
WO/2023/086748A1
A wellhead annulus packoff and an associated method of energizing and de-energizing are disclosed. The wellhead annulus packoff includes at least one seal element, a hanger lockdown ring, a hanger lockdown energizing ring, a seal lockdow...  
WO/2023/086162A1
A flow diverter having a first conical section, a second conical section, and support legs. The first conical section comprises an outside surface tapering from a first end to a second end. The first end of the first conical section comp...  
WO/2023/086754A1
A wellhead annulus packoff and an associated method is disclosed. A retainer lock mechanism of the wellhead annulus packoff is to sit at least partly within a first indentation of a hanger. The retainer lock mechanism includes a bottom s...  
WO/2023/086240A1
A pressure compensator including a housing, an electroactive polymer (EAP) disposed in the housing and defining a volume therein, the volume being changeable upon application of an electric signal. A method for managing pressure in a too...  
WO/2023/081389A1
A downhole tool (1) includes a bore isolation valve (4), a sensor (15) configured to receive a downlink signal, an annular pressure sensor (7), a valve actuation mechanism (12) coupled to the bore isolation valve (4) and responsive to th...  

Matches 201 - 250 out of 3,692