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9022105 Expandable filtering system for single packer systems  
An arrangement having a body with at least one drain provided in the body is disclosed. The drain is configured to receive fluid when the body is expanded from a first unexpanded condition to a...
8978754 Controllably-deformable inflatable sleeve, production method thereof and use of same for pressure metering applications  
An inflatable sleeve or packer includes a mandrel that extends along a longitudinal axis and a sealed inflatable jacket which is connected to the mandrel and selectively adopts a rest...
8960315 Swellable downhole apparatus and support assembly  
A downhole apparatus and support assembly has a radially expanding portion comprising a swellable elastomeric material selected to increase in volume on exposure to at least one predetermined...
8813857 Annulus mounted potential energy driven setting tool  
An actuator and method for setting a subterranean tool uses an externally mounted actuator on a tubular string that is operably engaged to the tool to be actuated. At the desired location for...
8807211 Tool for shutting off openings or leaks in a well bore  
A shutoff tool for being entered into a well bore and shutting off openings or leaks, said shutoff tool comprising: one or more enclosures prepared for comprising a sealant, said sealant being...
8770305 Modular hydraulic packer-and-port system  
Modular hydraulic packer-and-port system and corresponding methods of operation. The system may be installed for temporary, semi-permanent, or permanent deployments. The system and method may...
8763687 Wellbore isolation tool using sealing element having shape memory polymer  
Anti-extrusion devices, packer elements, and inflatable packers include shape memory polymer (SMP) materials to enhance the operation of a packer, a bridge plug, or other downhole isolation tool....
8752625 Method of gravel packing multiple zones with isolation  
A gravel pack system and method for zonal isolation includes a swellable element used in conjunction with a primary isolation device, such as a cup packer. The zones may be isolated by both the...
8739865 Flanged end ring for use with swell packers  
An end ring for a swell packer for use in a wellbore, wherein the swell packer has a central metal tubular with a rubber exterior tubular disposed over the central metal tubular. The rubber...
8720561 Sliding stage cementing tool and method  
A downhole tool provided within a casing string for use in cement staging operations. The tool includes a sleeve in the tool that selectively slides downward under pressure to expose ports formed...
8695717 Inflatable packer assembly  
Conventional formation evaluation with dual inflatable packers includes the steps of pressurizing the packers so as to isolate an annular portion of the borehole wall, collecting one or more...
8657004 Sliding stage cementing tool  
A downhole tool provided within a casing string for use in cement staging operations. The tool includes an inflatable packer that is integral to the body of the tool and ports in sides of the...
8640770 End ring for use with swell packers  
An end ring having a first ring with an inner diameter, a second ring with the inner diameter and a thickness 25 percent greater than the first ring; a shoulder with a sloped outer surface...
8584748 Elongated probe for downhole tool  
An apparatus comprising a tool body configured to be conveyed within a wellbore extending into a subterranean formation, an inflatable packer coupled to the tool body, and a probe assembly coupled...
8573314 Packer system with reduced friction during actuation  
A technique involves a packer formed as an expandable packer with an internal expandable bladder. A mechanical structure is deployed around the expandable bladder, and an anti-extrusion layer is...
8501012 Bypass filter apparatus and method  
A filter sub apparatus comprising a housing configured to contain a filter and a bypass mechanism is provided. The bypass mechanism may be actuated upon debris buildup on the filter resulting in a...
8490707 Oilfield apparatus and method comprising swellable elastomers  
The subject disclosure relates to apparatus and methods that are particularly suited for creating a seal in a borehole annulus. More particularly, the subject disclosure relates to a seal with...
8490688 Methodology for setting of an inflatable packer using solid media  
A seal includes a mandrel; an element disposed radially adjacent the mandrel; a chamber defined between the mandrel and the element; and a pressure regulator in fluid communication with the...
8479810 Downhole apparatus  
Downhole apparatus comprises a base pipe and a plurality of non-concentric pressure deformable chambers mounted externally on the pipe. The chambers may be inflated to increase the diameter of the...
8474524 Anti-extrusion packer system  
A technique enables control over anti-extrusion layer movement during packer inflation. A packer employs a packer nipple having an exterior which uniquely engages distinct layers of the packer....
8413717 System and method for enhancing packer operation and longevity  
A technique improves the formation of dependable seals along wellbores. A packer is constructed with a plurality of elastomeric layers and an internal mechanical layer that extend between...
8365835 Method and downhole tool actuator  
A downhole tool actuator includes, an inflatable member, a first portion on an uphole end of the inflatable member that is attachable to a first structure of a downhole tool, and a second portion...
8342239 Swellable downhole packer  
A swellable downhole packer (10) is provided for positioning downhole in a well to seal with the interior surface of a borehole or the interior surface of a downhole tubular. The packer includes a...
8322451 Downhole apparatus and method  
A downhole apparatus, such as a wellbore packer, is provided with a swellable member and a fluid supply assembly. The fluid supply assembly is to receive fluid and expose the swellable member to...
8220538 Plug  
A plug for installation in a well is described, which comprises a housing (1) that carries at least two discs (5, 6) made from a brittle material which can be crushed with mechanical stress....
8181708 Water swelling rubber compound for use in reactive packers and other downhole tools  
Through the combination of at least two polymer families, and the optimization of other components, a rubber compound has been developed for use in downhole applications that will swell in...
8167032 Annulus sealing assembly  
An assembly arranged in a well bore and run in conjunction with a perforated or a non perforated liner has an inflatable packer section prepared for being expanded by fluid and a valve device for...
8157007 Method for casing using multiple expanded areas and using at least one inflatable bladder  
The method of the invention comprises inserting into the well or the piping to be cased, a tube (1) including tube sections previously connected end to end, proceeding with the radial expansion of...
8151895 Eutectic salt inflated wellbore tubular patch  
Systems and methods for patching a desired section of wellbore casing or another tubular member. A patch assembly is provided which includes a tubular patch sub which is radially surrounded by an...
8136605 Swellable packer with fluid supply  
A downhole apparatus, such as a wellbore packer, is provided with a swellable member and a fluid supply assembly. The fluid supply assembly is to receive fluid and expose the swellable member to...
8113293 Single packer structure for use in a wellbore  
A technique involves collecting formation fluids through a single packer having at least one drain located within the single packer. The single packer is designed with an outer flexible skin and...
8051913 Downhole gap sealing element and method  
A downhole sealing element includes, a malleable member having at least one closed wall cavity therein positionable downhole in a gap defined between downhole members, and a chemical disposed...
8028756 Method for curing an inflatable packer  
A method of curing an inflatable packing is provided that includes providing a packer assembly having an inflatable packer around a mandrel; a polyamide bandage around the inflatable packer; and a...
7997337 Eutectic material-based seal element for packers  
The present invention relates to a seal element for a wellbore which includes a support member, a bag positioned on the support member and a eutectic material positionable in the bag. The bag may...
7963321 Swellable downhole packer  
A swellable downhole packer (10) is provided for positioning downhole in a well to seal with the interior surface of a borehole or the interior surface of a downhole tubular. The packer includes a...
7938176 Anti-extrusion device for swell rubber packer  
A system for use in a wellbore is disclosed. The system may include a tube, a swell packer surrounding a portion of the tube, a first pair of plates coupled to an outer surface of the tube and...
7896089 System and method for forming a seal in a wellbore  
A technique involves a packer formed as an expandable packer with an internal expandable bladder. The internal expandable bladder is surrounded with a plurality of packer slats oriented in a...
7891434 Packer setting device for high hydrostatic applications  
A packer setting device provides a buffered setting mechanism as a substantially incompressible fluid is selectively flowed into a compressible fluid chamber to compress a compressible fluid. This...
7874356 Single packer system for collecting fluid in a wellbore  
A technique involves collecting formation fluids through a single packer having a plurality of sample collectors disposed along an expandable packer element. An anti-expansion device also is...
7861744 Tubular expansion device and method of fabrication  
The invention comprises a device for expanding tubular members to a controlled diameter and its method of fabrication. The device includes an expandable bladder held in a convoluted form. After...
7849920 System and method for optimizing production in a well  
For optimizing well production, intervals are selected along a deviated wellbore, and a well test and treatment string is deployed in the wellbore. Each interval is then isolated to enable...
7832488 Anchoring system and method  
An anchoring module capable of being secured within a structure includes at least one compliant ring configured to radially expand and an expandable device positioned within the compliant ring to...
7828054 Packer cable sealing system  
A packer for temporarily closing a well or a pipe including a support and an inflatable tubular element attached to the support, the element having a wall of elastic material that is deformable...
7806179 String mounted hydraulic pressure generating device for downhole tool actuation  
Two subs are held in a fixed position relative to each other when assembled to a string and run into a wellbore. A reservoir of fluid is defined in a wall between the subs. The reservoir has one...
7779908 Arrangement for affixing an expandable packer in a hole  
The present invention relates to an arrangement for affixing an expandable packer 22, 32 in a hole 30, wherein the arrangement includes a piston-and-cylinder device 11, 12 with which the piston...
7762341 Flow control device utilizing a reactive media  
An apparatus for controlling a flow of a fluid into a wellbore tubular includes a flow path associated with a production control device; an occlusion member positioned along the flow path that...
7762325 Methods and apparatus to apply axial force to a packer in a downhole tool  
Methods and apparatus to apply axial force to a packer in a downhole tool are described. In one described example, an apparatus to apply an axial force to an inflatable packer associated with a...
7753129 Wireline or coiled tubing deployed electric submersible pump  
An electric submersible pump and motor assembly for downhole applications has an electric motor having a stationary nonrotating through bore, a pump driven by the electric motor, a deployment line...
7735568 Packer cup systems for use inside a wellbore  
The present invention provides a packer cup system for use inside a wellbore comprising a packer cup and a backup component coupled thereto. In one configuration, the backup component further...
7717179 Method and apparatus to set a plug  
The invention provides an apparatus to be lowered in a borehole, comprising: (i) a delivery section for delivering a plugging fluid; (ii) a setting section comprising a longitudinal element and a...