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7624806 |
Pipe cleaning tool and method
A method of cleaning a pipe provides a tool within the pipe. The tool has a body of smaller diameter than the pipe such that the body and pipe define an annulus and a fluid guiding member located...
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7624810 |
Ball dropping assembly and technique for use in a well
A technique that is usable with a well includes running string that includes a tool and a flowable object that is held in a retained position within the string downhole in the well. After the...
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7621322 |
Thru-tubing high expansion inflatable seal with mechanical anchoring system and method
A downhole tool includes a thru-tubing high expansion, elastomeric inflatable seal and a thru-tubing mechanical anchoring arrangement. A method for separating pressure in a wellbore including...
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7617880 |
Anchor assembly for slickline setting tool for inflatables
An anchor assembly for use in downhole slickline strings to set wellbore inflatables comprises, in one specific embodiment, an upper mandrel, an upper piston, radially extendable slips, a release...
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7607487 |
Packers and methods of use
Packers and methods of using same are described. The packer includes a packer body, a slip to engage a casing of the well and a sealing element to seal an annulus of the well, a fluid bypass...
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7607485 |
Tubing hanger and wellhead housing with mating tubing annulus passages
A subsea wellhead assembly has a tubing annulus path that extends partly through the tubing hanger and partly through the wellhead housing. A tubing hanger tubing annulus passage extends through...
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7604062 |
Electric pressure actuating tool and method
Disclosed herein is a downhole tool actuation arrangement. The arrangement includes a housing having a chamber, at least one piston in operable communication with the chamber and at least one...
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7600572 |
Drillable bridge plug
A method and apparatus for use in a subterranean well is described. The apparatus typically includes a mandrel and a packing element. The mandrel may have an outer surface and a non-circular...
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7597152 |
Swelling layer inflatable
An inflatable features a swelling layer. The swelling layer can be made integral or attached to the element or it can be bonded or otherwise secured to the mandrel. Upon inflation with fluid, the...
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7594544 |
Downhole tubular sealing system
Disclosed herein is a downhole disconnectable and length compensatable tubular sealing system. The system includes, a seal connector having a first metal seal receptive of a separate seal nipple...
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7591318 |
Method for removing a sealing plug from a well
A method for removing a sealing plug from a casing or a wellbore according to which a sealing plug is adapted to expand into engagement with the casing or the wellbore. A wireless signal is sent to...
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7591320 |
Method of cementing expandable well tubing
The invention describes a method of lining a well using expandable tubing including the steps of lowering a expandable tubing in a well bore; injecting a sealant composition into said well; letting...
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7591305 |
Patriot retrievable production packer
The present invention provides a tool capable of being set and released. A novel arrangement of a push sleeve in the spring body eliminates several shear pins while an internal J slot formed...
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7591321 |
Zonal isolation tools and methods of use
Zonal isolation tools and methods of using same are described. The zonal isolation tools include a wellbore sealing member expandable by fluid pressure to contact a wellbore over an initial contact...
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7588086 |
Ported velocity tube for gas lift operations
A gas lift apparatus for use with a well bore sealing device includes a tubing string coupled to the well bore sealing device, a gas inlet port in the tubing string extending between the well bore...
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7588075 |
Packer insert for sealing on multiple items used in a wellbore
A packer insert for sealing multiple items used in a wellbore includes an elastomeric member having one or more channels configured to seal on the multiple items when compressed by a packing unit,...
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7588077 |
Downhole tubular seal system and method
Disclosed herein is a downhole tubular sealing system. The sealing system includes, a deformable tubular sealable to a first tubular and a second tubular. The deformable tubular includes, a first...
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7578354 |
Device and method to seal boreholes
Apparatus and methods are described that are particularly suited for creating a seal in a borehole annulus. In one embodiment, an outer surface 10 s of an expandable conduit 10 is provided with...
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7578353 |
Apparatus for controlling slip deployment in a downhole device
An apparatus for use in a well. The apparatus comprises a mandrel containing a radial shoulder, a sub member concentrically disposed about the mandrel, and an upper slip, concentrically disposed...
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7578342 |
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...
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7575062 |
Methods and devices for treating multiple-interval well bores
Methods and devices are provided for treating multiple interval well bores. More particularly, an isolation assembly may be used to allow for zonal isolation to allow treatment of selected...
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7575050 |
Method and apparatus for a downhole excavation in a wellbore
The method and apparatus can create excavation cavities suitable for drilling multilateral wellbores through the excavation using a kick-off. One embodiment of the method comprises isolating a...
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7562709 |
Gravel pack apparatus that includes a swellable element
A gravel pack apparatus for use in a wellbore includes a screen assembly to filter particulates, at least one shunt conduit to carry gravel slurry, and a swellable element around a portion of the...
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7552778 |
Seal cup for a wellbore tool and method
A seal cup and method is disclosed that can be used on a wellbore tool. The seal cup includes an external circumferential seal land adjacent the cup lip and an outer surface capable of permitting...
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7552767 |
Closeable open cell foam for downhole use
A downhole packer or sealing device uses a swelling sealing element that is initially held in a compressed state. Exposure to well or other fluids occurs downhole as the initial restraint on the...
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7546877 |
Process for hydrofracturing an underground aquifer from a water well borehole for increasing water flow production from Denver Basin aquifers
A process for hydrofracturing a specific interval or zone in a water aquifer from a water well borehole and introducing high-pressure water and gravel proppants for increasing water flow production...
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7543652 |
Subsurface annular safety barrier
A subsurface annular safety barrier for controlling fluid flow in the tubing-casing annulus in an annular flow well. The barrier may be positioned proximate the top of a formation to block fluid...
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7527099 |
System for sealing a space in a wellbore
A system is provided for sealing a space in a wellbore formed in an earth formation. The system has a swelleable body arranged in the wellbore in a manner so as to seal the space upon swelling of...
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7516791 |
Configurable wellbore zone isolation system and related systems
An apparatus for providing zonal isolation in a wellbore includes a plurality of interlocking sealing elements having anchor elements at the opposing ends. Each anchor element sealingly engages a...
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7513313 |
Bottom plug for forming a mono diameter wellbore casing
A bottom plug and a method of using a bottom plug for forming a mono diameter wellbore casing is provided that includes an expandable packer initially attached below an expansion device. A packer...
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7510020 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Wellbore system extending through a salt layer
A wellbore system is provided including a wellbore formed in an earth formation, the wellbore extending into a salt layer of the earth formation. The wellbore system comprises a tubular conduit...
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7510017 |
Sealing and communicating in wells
A device includes a main body adapted to couple between a first element of a working string and a second element of the working string. A seal is provided about the main body and is adapted to...
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7510015 |
Packers and methods of use
Expandable packers and methods of using same are described. The expandable packers include an anti-extrusion layer comprising a fibrous layer having a first surface adjacent an outer surface of an...
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7510018 |
Convertible seal
A method and apparatus for sealing a wellbore is described herein. A convertible seal includes a sealing element and a valve. The sealing element is in fluid communication with the valve and...
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7510019 |
Forming a metal-to-metal seal in a well
A seal assembly that is usable with a well includes a metal body that is adapted to expand radially inwardly and radially outwardly in response to the body being longitudinally compressed between...
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7500526 |
Downhole tool
A downhole tool ( 10 ) for use in isolating a formation in a well bore from fluid pressure introduced from the surface. Mounted in a work string, the tool provides an axial throughbore ( 18 ) and...
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RE40648 |
System and method for downhole operation using pressure activated valve and sliding sleeve
An isolation system for producing oil and gas from one or more formation zones and methods of use are provided comprising one or more pressure activated valve and one or more tool shiftable valve....
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7494544 |
Polymer shell encapsulated gas as a cement expansion additive
Cement compositions containing an expandable material are disclosed. The compositions are suitable for use in oil and gas wells. An example of such an expandable material is a polymer encapsulated...
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7484565 |
Methods and apparatus for injecting fluids at a subterranean location in a well
Disclosed are retrievable through-tubing tools and methods for use in wellbores to inject fluids at subterranean locations wherein the tool have spaced foamed seal elements that are retracted...
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7481277 |
Method and apparatus for ECP element inflation utilizing solid laden fluid mixture
An inflatable element utilizing a solid or particulate laden fluid as an expansion media. A fluid component of the solid or particulate laden fluid is exhausted from a defined area of the element...
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7478678 |
Time release downhole trigger
A setting mechanism is made to respond to hydrostatic pressure. Upon reaching a predetermined depth corresponding to a given pressure, a pilot piston is shifted to allow well fluids to bypass a...
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7478679 |
Field assembled packer
A field assembled packer or plug features a sleeve of a swelling material, preferably rubber, which is slipped over the tubular. A pair of molds is assembled over the tubular. The molds can...
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7478676 |
Methods and devices for treating multiple-interval well bores
Methods and devices are provided for treating multiple interval well bores. More particularly, an isolation assembly may be used to allow for zonal isolation to allow treatment of selected...
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7475723 |
Apparatus and methods for creation of down hole annular barrier
Methods and apparatus are provided for performing an expedited shoe test using an expandable casing portion as an annular fluid barrier. Such an expandable annular fluid barrier may be used in...
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7472757 |
Well packing
Annular packer ( 2 ) arranged on the outside of a production tubing ( 4 ) said packer comprises a core ( 12 ) comprising elastic polymer swelling by absorption of hydrocarbons. The core ( 12 ) may...
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7472746 |
Packer apparatus with annular check valve
A well packer assembly with an annular fluid bypass and a check valve. The well packer assembly has an upper packer apparatus and a lower packer apparatus with a stimulation port therebetween. An...
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7469750 |
Expandable seal
In one aspect, the present invention provides a sealing apparatus for use in a tubular member. In one embodiment, the sealing apparatus includes an expandable sleeve and an expandable a...
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7467665 |
Autonomous circulation, fill-up, and equalization valve
Systems and methods for operating a circulation valve such that the valve will automatically close without the need for a ball to be dropped or other intervention from the surface. The circulation...
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7458423 |
Method of sealing an annulus surrounding a slotted liner
A method of forming a seal circumferentially about a liner having pre-formed openings that is positioned in a wellbore includes the steps of running a perforating device and a seal applicator into...
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7455118 |
Secondary lock for a downhole tool
A downhole tool includes a mandrel, a sealing element disposed around the mandrel, an upper cone disposed above the sealing element and a lower cone disposed below the sealing element, an upper...
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