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US20100314127 |
Consumable downhole tools
A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such... |
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US20120103629 |
SHEAR BOOST TRIGGERING AND BOTTLE REDUCING SYSTEM AND METHOD
Systems can be configured to move a ram block in a blowout preventer. The system includes: a first bank of accumulators configured to provide a first pressure to move the ram block; a second bank... |
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US20120061096 |
DOWN HOLE EQUIPMENT REMOVAL SYSTEM
The present invention provides a practical method capable of substantially removing downhole equipment by dissolving it with a chemical. The method comprises introducing an equipment dissolution... |
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US20100108327 |
Consumable Downhole Tools
A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such... |
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US20110308813 |
TUBING SHOE
A tubing shoe is disclosed with a body adapted to be connected to a section of tubing to be emplaced in a wellbore and a nose provided on the body, wherein the nose includes a failure guide... |
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US20150060085 |
PLUG RECEPTION ASSEMBLY AND METHOD OF REDUCING RESTRICTION IN A BOREHOLE
A method of reducing restriction in a borehole that is configured for a multizone fracturing operation wherein the borehole has a plurality of plug reception assemblies and each of the plurality... |
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US20120168152 |
DISSOLVABLE BARRIER FOR DOWNHOLE USE AND METHOD THEREOF
A plug disposable in a well bore to block fluid from passing through the wellbore. The plug includes a body formed from water soluble glass. The body dissolvable in water. A method of utilizing... |
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US20150083436 |
METHOD FOR INSTALLING AND OPERATING A CABLE HEAD WITH CABLE SHEAR MECHANISM FOR WIRELINE CABLE SUPPORTING OILFIELD EQUIPMENT IN A WELLBORE
A method for installing and operating a cable head with cable shear mechanism for wireline cable supporting oilfield equipment in a wellbore. The cable head has a housing, a cable bore, a tapered... |
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US20130199798 |
TEMPORARY PROTECTIVE COVER FOR OPERATIVE DEVICES
A system for providing temporary protection, including an operative device located at an external surface of a member. A cover is externally disposed with respect to the operative device for... |
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US20080173453 |
MILL AND METHOD FOR DRILLING COMPOSITE BRIDGE PLUGS
A system used to remove multiple isolation plugs from a wellbore. The system is efficient in fluidizing and circulating proppant located below an upper plug resting on top of proppant settled... |
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US20130081826 |
IN-SITU GENERATED BUFFER SYSTEM
An aqueous buffered treatment solution for removing mud cake from a well bore treatment site is made by inducing an elevated temperature in an aqueous pre-buffer solution. The aqueous pre-buffer... |
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US20130255961 |
METHOD AND SYSTEM FOR RUNNING BARRIER VALVE ON PRODUCTION STRING
A completion system, including a lower completion initially fluidly open. A production string is included having a removable plug configured to impede fluid flow through the production string. The... |
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US20140262327 |
FERROUS DISINTEGRABLE POWDER COMPACT, METHOD OF MAKING AND ARTICLE OF SAME
A disintegrable powder compact includes a matrix; a plurality of dispersed particles including a particle core material dispersed in the matrix; a ferrous alloy including carbon disposed in one of... |
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US20150053422 |
HYBRID ROTARY CONE DRILL BIT
A hybrid rotary cone drill bit includes a plurality of legs. A bearing shaft extends from each leg, and a rotary cone is rotationally coupled to each bearing shaft. At least one rotary cone... |
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US20140027128 |
DOWNHOLD FLOW INHIBITION TOOL AND METHOD OF UNPLUGGING A SEAT
A downhole flow inhibition tool includes at least a first component and a mating component at least a portion of one of the first component and the mating component is dissolvable in a target... |
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US20140166305 |
MILLING CUTTER HAVING UNDULATING CHIP BREAKER
A cutting element includes a front face and leading face extending between a first and second sides. A leading cutting edge is located at an intersection of the front face and the leading face,... |
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US20080245532 |
APPARATUS AND METHODS OF MILLING A RESTRICTED CASING SHOE
A method of removing a restriction in a tubular located in a well includes providing a drilling assembly with a drill bit and a reamer, the reamer having a cutting structure for removing the... |
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US20130037274 |
Electrolytic Composition for Degrading Polymeric Filter Cake
An aqueous breaking fluid having an aqueous fluid, powder particles, and at least one reducing sugar may be helpful in degrading a polymeric filter cake downhole. The aqueous breaking fluid may be... |
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US20100270031 |
DOWNHOLE DISSOLVABLE PLUG
In one or more embodiments, a downhole plug is disclosed. The downhole plug can include a housing having an aperture disposed generally through the center of the housing, a stopper having a... |
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US20120247778 |
Completion Fluid with Friction Reduction
A method for reducing the friction forces between tubulars, for example coiled tubing in casing, is disclosed. The method includes mixing a selected surfactant and particles of TEFLON in oil, then... |
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US20140190705 |
METHODS OF REMOVING A WELLBORE ISOLATION DEVICE USING GALVANIC CORROSSION OF A METAL ALLOY IN SOLID SOLUTION
At least a portion of a wellbore isolation device consists essentially of: a metal alloy, wherein the metal alloy: (A) comprises magnesium at a concentration of at least 50% by volume of the metal... |
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US20090321085 |
PUMP OFF JUNK MILL
A device for removing junk from a well by attaching to a tubing string a mill body with a removable milling core and lowering the assembly into a well. A movable collet and check valve are located... |
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US20060090900 |
Fracturing/gravel packing tool with variable direction and exposure exit ports
A fracturing/gravel packing tool with variable direction and exposure exit ports. A system for delivering an erosive flow into a subterranean well includes a port displacing in the well while the... |
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US20140318808 |
Fracturing Multiple Zones with Inflatables
One or more inflatables are used to initiate fractures in a formation. The onset of fractures after inflation to a predetermined pressure also results in damage to the inflatable and the ability... |
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US20090050334 |
Conditioning Ferrous Alloys into Cracking Susceptible and Fragmentable Elements for Use in a Well
A technique includes providing a tool to be deployed in a well to perform a downhole function. The downhole function requires a minimum structural integrity for an element of the tool. The... |
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US20130319682 |
WELL COMPLETION USING A PUMPABLE SEAT ASSEMBLY
A process and an apparatus for use in fluid fracturing of a well and the like is provided, the apparatus being a pumpable seat assembly for temporarily sealing a well casing comprising a generally... |
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US20140124216 |
ISOLATION DEVICE CONTAINING A DISSOLVABLE ANODE AND ELECTROLYTIC COMPOUND
A wellbore isolation device comprising: a first material, wherein the first material: (A) is a metal or a metal alloy; and (B) partially dissolves when an electrically conductive path exists... |
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US20100065282 |
METHOD OF DRILLING OUT A REAMING TOOL
A reaming tool includes a tubular body having a nose portion with a concave center. A plurality of blades defining junk slots therebetween extend axially behind the nose and taper outwardly from... |
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US20140374121 |
Downhole Entry Guide Having Disappearing Profile and Methods of Using Same
Entry guides for use on a tubing string comprise one or more dissolvable materials. A profile disposed on the entry guide facilitates aligning the tubing string in a desired orientation within a... |
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US20070107908 |
Oilfield Elements Having Controlled Solubility and Methods of Use
Oilfield elements are described, one embodiment comprising a combination of a normally insoluble metal with an element selected from a second metal, a semi-metallic material, and non-metallic... |
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US20070246224 |
Offset valve system for downhole drillable equipment
Float equipment is constructed to have the check valve in an offset and/or skewed position with respect to the centerline of the tubular housing that is part of a string. The design is applicable... |
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US20140083717 |
HIGH-MOLECULAR-WEIGHT POLYGLYCOLIDES FOR HYDROCARBON RECOVERY
A tool having a high-molecular weight Polyglycolides such as polyglycolic acid (PGA) may be used in downhole hydrocarbon recovery applications. Advantageously, PGA tools do not need to be drilled... |
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US20130112429 |
ENHANCED ELECTROLYTIC DEGRADATION OF CONTROLLED ELECTROLYTIC MATERIAL
A method for degrading a downhole article includes exposing the downhole article to a composition comprising a corrosive agent selected from a reducing sugar, ester, aminocarboxylic acid, or a... |
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US20140224506 |
Easy Drill Slip with Degradable Materials
Slip elements for a downhole tool include an inner body portion that is substantially formed of a material that is degradable by dissolution in response to a dissolving fluid and a hardened,... |
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US20110180261 |
METHOD OF REMOVING CUTTERS
A method for enhanced degradation of a cutting structure on a drill shoe is provided. The cutting structure may be degraded at an accelerated rate after achieving a desired objective. Degradation... |
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US20090218098 |
Methods Of Using A Particle Impact Drilling System For Removing Near-Borehole Damage, Milling Objects In A Wellbore, Under Reaming, Coring, Perforating, Assisting Annular Flow, And Associated Methods
A particle impact drilling system and method are described. In several exemplary embodiments, the system and method may be a part of, and/or used with, an apparatus or system, methods, to excavate... |
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US20120048572 |
Method for Removing a Consumable Downhole Tool
A method for removing a downhole tool from a well bore comprises consuming at least a portion of the downhole tool within the well bore via exposure of the tool to heat and a source of oxygen.... |
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US20110132620 |
Dissolvable Tool and Method
A method of dissolving a tool includes, positioning the tool within an environment reactive with at least a portion of the tool, introducing the environment below a surface of the tool through at... |
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US20120125630 |
RETRIEVABLE SWELLABLE PACKER
A well tool can include a swellable material, and a degradable material which supports the swellable material, but which degrades in response to contact with a selected fluid in a well. A packer... |
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US20110132619 |
Dissolvable Tool and Method
A method of dissolving a tool includes, exposing an outer surface of the tool to an environment reactive with the tool, reacting the tool with the environment, applying stress to the tool,... |
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US20070074873 |
WELLBORE TOOL WITH DISINTEGRATABLE COMPONENTS
The present invention generally provides a pressure isolation plug for managing a wellbore with multiple zones. The pressure isolation plug generally includes a body with a bore extending... |
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US20150101825 |
SEGMENTED SEAT ASSEMBLY
An apparatus that is usable with a well includes a first portion and a second portion. The first portion includes a first plurality of segments, and the second portion includes a second plurality... |
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US20140338923 |
ELECTRONIC RUPTURE DISCS FOR INTERVENTIONLESS BARRIER PLUG
Methods and apparatus are presented for removing a degradable barrier plug positioned in a downhole axial passageway. The degradable plug is initially isolated from fluid by at least one solid,... |
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US20140174757 |
ELECTRONIC RUPTURE DISCS FOR INTERVENTIONALESS BARRIER PLUG
Methods and apparatus are presented for removing a degradable barrier plug positioned in a downhole axial passageway. The degradable plug is initially isolated from fluid by at least one solid,... |
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US20140224507 |
ISOLATION DEVICES HAVING AN ANODE MATRIX AND A FIBER CATHODE
A wellbore isolation device comprises: a first material and a second material, wherein the first material and the second material form a galvanic couple and wherein the first material is the anode... |
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US20080066923 |
Dissolvable downhole trigger device
A trigger device for setting a downhole tool is disclosed. The trigger device includes a retaining member that prevents the downhole tool from setting until it is properly positioned within the... |
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US20110005773 |
Self healing filter-cake removal system for open hole completions
A method of treating a subterranean formation including providing a well bore that includes a filter cake on at least a portion of the well bore and contacting at least a portion of the filter... |
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US20090183884 |
METHOD FOR SEALING WELLBORE LEAKAGE AND SHUTTING-OFF OF WATER PRODUCING ZONES
A method for sealing a wellbore includes moving a running tool with a sealing material disposed therein into a wellbore proximate a portion of the wellbore to be sealed. A cylinder is moved into... |
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US20090101358 |
Sealing device
A decomposable sealing device is described for use in liquid-filled pipes or boreholes, which is characterised in that the sealing device comprises a sleeve-shaped element (19) which envelops a... |
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US20130048305 |
DEGRADABLE SLIP ELEMENT
A slip element, including a substrate at least partially formed from a material degradable upon exposure to a fluid; and an outer surface disposed on the substrate. A method of removing a slip... |