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US20100108328 |
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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US20070284114 |
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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US20080202764 |
CONSUMABLE DOWNHOLE TOOLS
A method of removing a downhole tool from a wellbore comprising contacting the tool with a heat source wherein the tool comprises at least one load-bearing component comprising a thermally... |
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US20160333655 |
WELL SYSTEM WITH DEGRADABLE PLUG
A downhole assembly is disclosed. The downhole assembly includes a tube disposed in a wellbore, and a shroud coupled to and disposed around the circumference of the tube to form an annulus between... |
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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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US20120067596 |
RETRIEVABLE BRIDGE PLUG
A method and apparatus for a bridge plug for isolating portions of a downhole casing is provided comprising a retrievable upper mandrel assembly and a lower mandrel assembly coupled to the upper... |
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US20090107684 |
Applications of degradable polymers for delayed mechanical changes in wells
Degradable polylactic or polyhydroxyalkanoate polymers may be used to viscosify aqueous fluids for use in wells, Sand control screen or liner can be coated with a solid degradable polymer during... |
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US20160130906 |
DESTRUCTIBLE FRAC-BALL AND DEVICE AND METHOD FOR USE THEREWITH
A destructible frac-ball is provided that includes a body and a rupture mechanism, and a method for selectively initiating fluid flow within a casing segment is provided that utilizes one or more... |
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US20160298407 |
PLUG FOR WELL DRILLING PROVIDED WITH RING-SHAPED RATCHET STRUCTURE
A plug for well drilling comprising a mandrel and members attached on an outer circumferential surface orthogonal to an axial direction of the mandrel, wherein at least one of the members or the... |
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US20160290093 |
Disintegrating Compression Set Plug with Short Mandrel
A compression set sealing element preferably 85A-95A TDI-Ester Polyurethane is compressed axially and retained against extrusion by CEM anti-extrusion rings. The compressed state of the sealing... |
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US20130133897 |
MATERIALS WITH ENVIRONMENTAL DEGRADABILITY, METHODS OF USE AND MAKING
A valve device for restricting flow is provided that includes a degradable portion. A method of temporarily blocking flow is also provided which includes a degradable portion of an oilfield element. |
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US20100230104 |
METHOD FOR COMPLETING A BOREHOLE
The invention relates to a method for completing a borehole (1, 2) prior to the start of production, wherein after making the borehole (1, 2) the borehole wall (3) is anchored in a sealed manner... |
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US20160369154 |
DOWNHOLE STRUCTURES INCLUDING SOLUBLE GLASS
A downhole material and a soluble glass dispersed within the material. A method for operating in a borehole. |
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US20110284242 |
Isolation tool
A down hole pressure isolation tool is placed in a pipe string and includes a pair of pressure discs having one side that is highly resistant to applied pressure and one side that ruptures when... |
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US20160290091 |
DEGRADABLE SEAL MEMBER FOR DOWNHOLE TOOLS, DOWNHOLE TOOL, AND METHOD OF WELL DRILLING AND COMPLETION
Provided is a degradable seal member for downhole tools, the member being formed from a degradable polymer material that is preferred to be a thermoplastic polymer material or a polymer material... |
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US20160237774 |
PLUG FOR WELL DRILLING
A plug for well drilling comprising a mandrel and members attached on an outer circumferential surface orthogonal to an axial direction of the mandrel. In such a plug for well drilling, at least... |
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US20160040495 |
MILLING SYSTEM PROVIDING CUTTINGS RE-CIRCULATION
Milling systems, tools, and methods include using a mill with a barrier to promote re-circulation of debris and cuttings to the face of the mill. The face of the mill may include cutting elements.... |
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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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US20140034331 |
Fluid Mixture for Softening a Downhole Device
A downhole device, having at least a portion polyurethane therein, may be softened by contacting the downhole device with a fluid mixture. The fluid mixture may have at least two components that... |
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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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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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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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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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US20160115776 |
METHOD AND SYSTEM TO DRILL OUT WELL COMPLETION PLUGS
A system for controlling load on a downhole tool for drilling out wellbore plugs is provided. The system includes a downhole drilling tool connected with a drill string extending within a cased... |
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US20150354310 |
DISSOLVABLE DOWNHOLE PLUG
Herein disclosed is a downhole tool comprising a dissolvable part, wherein the part is dissolved in the presence of moisture or water, at a temperature in the range of 150° F. to 400° F. and at a... |
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US20150191986 |
FRANGIBLE AND DISINTEGRABLE TOOL AND METHOD OF REMOVING A TOOL
A frangible and disintegrable tool includes, a body made of a disintegrable material having a plurality of stress risers, the disintegrable material and the plurality of stress risers are... |
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US20110315398 |
PLUG DEVICE AND METHOD OF USING SAME
A plug device and a method of using same is described for use when temporarily sealing a fluid bore in a pipe. The plug device includes a plug body disposed in a sealing manner in the fluid bore,... |
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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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US20170145796 |
BRAIDED SCREEN FOR DOWNHOLE SAND CONTROL SCREEN ASSEMBLIES
A sand control screen assembly includes a base pipe that defines an interior and one or more flow ports. A braided sand screen is disposed about the base pipe and is radially offset from the base... |
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US20160257786 |
DEGRADABLE DOWNHOLE TOOLS COMPRISING THIOL-BASED POLYMERS
A degradable downhole tool or component thereof comprising a thiol-based polymer having at least one thiol functional group, wherein the thiol-based polymer is capable of at least partially... |
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US20160090804 |
REDUCED FLOW MILLING
Methods and apparatus to reduce flow in front of the drill bit while milling improve milling debris size. Reducing flow on the drill bit face while milling allows the drill cuttings to remain at... |
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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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US20130048306 |
APPARATUS AND METHOD FOR PENETRATING CEMENT SURROUNDING A TUBULAR
Apparatus and method for penetrating cement (300) surrounding a tubular (200) cemented to a formation (400). The apparatus comprises a bore (10) through the tubular wall (200), and an intermediate... |
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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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US20170175479 |
REMOVABLE AND RELOADABLE ORIFICE FOR A DOWNHOLE TOOL
Disclosed is an apparatus and method for providing an activation pressure for a down hole too comprising a tool string having a pressure activated tool located at a distal end thereof, an opening... |
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US20110232918 |
Method and apparatus to remove shifting balls from frac sleeves in oil and gas wells
A process to drill through a spherical frac shifting ball in an oil well utilizes an improved mill, rotates drill pipe at one hundred to five hundred rpm, circulates drilling fluid such that the... |