patentstorm.us

Apparatus and method for sealing portions of a wellbore

Patent Number: 8443907
Publication Date: 2013-05-21
Inventor:

An apparatus for controlling fluid flow in a borehole in an earth formation includes: a carrier configured to be deployed in the borehole; and a sealing device including at least one deformable element disposed at the carrier, the deformable element configured to have a first position and a second position, the first position forming a void in the sealing device configured to retain a flowable sealing material therein, the second position causing the void to be in flowable communication ...

Tools and methods useful with wellbore reverse circulation

Patent Number: 8443906
Publication Date: 2013-05-21
Inventors: ;

A method for reverse circulating a tool upwardly through a wellbore, the method including: providing a manipulator tool including an upper end and a lower end, conveying the manipulator tool down hole to a position adjacent a downhole tool, using the manipulator tool to manipulate the downhole tool, and reversing fluid flow through the well to create a pressure differential about at least one of the manipulator tool and the downhole tool such that the at least one of the manipulator tool ...

Re-latch mechanism for wellbore liner system

Patent Number: 8443905
Publication Date: 2013-05-21
Inventors: ;

A tool for releaseably coupling a first tubing to a second tubing in a wellbore has a tubular mandrel configured to couple to and be carried into the wellbore by the first tubing. A collet ring is in an interior of the mandrel and has a plurality of collets to engage the second tubing. A releasing piston is carried in the interior of the mandrel to change between supporting the collet ring such that the collets can release from the profile and allowing the collet ring to lock such that the ...

Continuous communications conduit apparatus and method

Patent Number: 8443904
Publication Date: 2013-05-21
Inventor:

A continuous communications conduit for use in a well is disclosed. A first 101 and second 102 conduit section are threadably engaged and a weldment is formed 200. A heat shield conduit 220 can be disposed within a bore (111, 112) of a conduit section (101, 102) between a first conduit section shoulder 151 and a second conduit section shoulder 152. A first 301, second 302, and third 303 conduit section can be ...

Pump down swage expansion method

Patent Number: 8443903
Publication Date: 2013-05-21
Inventors: ; ;

The tubular string to be expanded is run in on a running string. The swage assembly has a seal from the running string to the existing tubular and the top of the tubular string to be expanded also has a similar seal against the exiting tubular. Annulus pressure around the running string drives the swage assembly to support the expanded tubular to the exiting tubular and to continue expansion to the end of the tubular. Cementing then takes place followed by reconfiguring the swage assembly ...

Time-controlled release device for wireline conveyed tools

Patent Number: 8443902
Publication Date: 2013-05-21
Inventor:

A time controlled release device for down line tools includes an outer housing, a disconnect housing releasably coupled to the outer housing, and a mandrel extending longitudinally within the outer housing and the disconnect housing. In addition, the device includes a locking collet and a trigger sleeve disposed about the mandrel. Further, the device includes a first biasing spring disposed within the outer housing between the locking collet and a first shoulder of the outer housing. Still ...

Inflow control device and methods for using same

Patent Number: 8443901
Publication Date: 2013-05-21
Inventor:

A completion assembly with a valve assembly for regulating fluid flow in a wellbore is disclosed. The completion assembly can include a base pipe with a sand screen. A flow control housing is disposed on one end of the sand screen. A first tubular port in the base pipe leads into the flow control housing, and a second tubular port is also formed in the base pipe. A flow path is formed within the flow control housing and communicates with both the base pipe and the inner annulus of the ...

Electric submersible pumping system and method for dewatering gas wells

Patent Number: 8443900
Publication Date: 2013-05-21
Inventors: ;

A method of unloading liquid from a reservoir includes deploying a pumping system into a wellbore to a location proximate the reservoir using a cable. The pumping system includes a motor, an isolation device, and a pump. The method further includes setting the isolation device, thereby rotationally fixing the pumping system to a tubular string disposed in the wellbore and isolating an inlet of the pump from an outlet of the pump; supplying a power signal from the surface to the motor via ...

Function spool

Patent Number: 8443899
Publication Date: 2013-05-21
Inventor:

A production assembly and method for controlling production from production tubing supported by a tubing hanger in a well including a wellhead. The assembly includes a function spool engaged with the wellhead and a tree engaged with the function spool. The tubing hanger is landable in the tree bore such that the production tubing is supported in the well by the tree. A function mandrel separate from the tubing hanger is engaged with the production tubing and positionable inside the function ...

Wellhead safety device

Patent Number: 8443898
Publication Date: 2013-05-21
Inventor:

A wellhead safety device can include a tubular with outer surface portions having different diameters. A first seal groove can be disposed on a first outer diameter. A locking groove can be formed in a first outer surface portion, and can have sloping sides that taper to a center for receiving locking pins of a tubing head. A sloping guide can extend from a first end towards a central bore of the wellhead safety device. A second seal groove can be disposed on a second outer surface portion ...

Subsea safety system having a protective frangible liner and method of operating same

Patent Number: 8443897
Publication Date: 2013-05-21
Inventor:

A subsea safety system (50) for use during a well treatment operation. The subsea safety system (50) includes a tubular string having an inner flow passage (112). At least one valve assembly (116, 134) is positioned within the tubular string. The valve assembly (116, 134) is operable between open and closed positioned to selectively permit and prevent fluid flow therethrough. A frangible liner (134) is disposed within the valve assembly (116, ...

Riser floatation with anti-vibration strakes

Patent Number: 8443896
Publication Date: 2013-05-21
Inventor:

A substantially cylindrical buoyancy module for a marine riser includes a plurality of buoyancy elements separated along at least one helical separation ...

Travel joint having an infinite slot mechanism for space out operations in a wellbore

Patent Number: 8443895
Publication Date: 2013-05-21
Inventor:

A travel joint (100) for space out operations in a wellbore. The travel joint (100) includes a generally tubular mandrel assembly (112) and a generally tubular housing assembly (102) slidably disposed about the mandrel assembly (112). The mandrel assembly (112) included an infinite slot (118) and at least one axial slot (120). A lock assembly (128) is positioned between the mandrel assembly (112) and the housing assembly ...

Anchor/shifting tool with sequential shift then release functionality

Patent Number: 8443894
Publication Date: 2013-05-21
Inventors: ; ;

The tool can run in and latch another tool such as a ball valve into a packer, for example. It has the capability of operating the valve while still engaged to the valve housing. Once the valve is operated and released a pressure test can be conducted while the tool is still engaged to the valve housing. After that a predetermined applied force allows release from the valve housing without the valve shifting mechanism still engaged. In a different configuration the tool can be a simple ...

Cleaning apparatus for a wellhead assembly and method of use thereof

Patent Number: 8443893
Publication Date: 2013-05-21
Inventors: ;

A cleaning apparatus for mounting on a wellhead of a well to spray elements positioned in a central passage of the wellhead. The cleaning apparatus may comprise an annular body including an inner surface defining at least a portion of an aperture through the body, with the annular body defining a fluid channel therein. The apparatus may comprise an inlet fitting on the annular body and in fluid communication with the fluid channel, and a plurality of orifices positioned on the annular body ...

Fracturing with telescoping members and sealing the annular space

Patent Number: 8443892
Publication Date: 2013-05-21
Inventors: ;

A fracturing operation is done in open hole. The annular space is spanned by telescoping members that are located behind isolation valves. A given bank of telescoping members can be uncovered and the telescoping members extended to span the annular space and engage the formation in a sealing manner. Pressurized fracturing fluid can be pumped through the telescoped passages and the portion of the desired formation fractured. In a proper formation, cementing is not needed to maintain wellbore ...

Methods of fracturing a well using Venturi section

Patent Number: 8443891
Publication Date: 2013-05-21
Inventor:

Methods of fracturing a well can include the steps of: (A) obtaining a fracturing job design having at least one treatment interval; (B) running a tubular string into the treatment interval; (C) before or after the step of running, forming one or more tubular string openings in the tubular string, wherein after the step of running, the one or more tubular string openings are positioned in the treatment interval; (D) except for the axial passageway of the tubular string, blocking at least ...

Methods of stimulating liquid-sensitive subterranean formations

Patent Number: 8443890
Publication Date: 2013-05-21
Inventors: ;

A method comprising: providing a stimulation fluid that comprises a stimulating gas and a consolidating agent; and injecting the stimulation fluid into a portion of a liquid-sensitive formation at a pressure sufficient to create or enhance a pathway therein. Suitable consolidating agents include aqueous tackifying agents, curable compositions, and noncurable and nonaqueous consolidating ...

Telescoping conduits with shape memory foam as a plug and sand control feature

Patent Number: 8443889
Publication Date: 2013-05-21
Inventors: ;

A string with a plurality of telescoping members has the telescoping members initially sealed preferably with a shape memory foam so that the foam is initially impervious when run into a subterranean location. Then, after extension of the telescoping members, using pressure in the string, the foam gets above its transition temperature and grows axially in a passage of the telescoping members, to the point of becoming porous so that it can serve as a sand control or other debris exclusion ...

Apparatus and method for passive fluid control in a wellbore

Patent Number: 8443888
Publication Date: 2013-05-21
Inventor:

In one embodiment, a device for controlling flow of water from a subterranean formation into a production well may include a flow control member formed from a shape-conforming material and a hydrophilic polymer disposed within the shape-conforming member in an amount sufficient to cause the flow control member to restrict flow of water ...

Twinaxial linear induction antenna array for increased heavy oil recovery

Patent Number: 8443887
Publication Date: 2013-05-21
Inventor:

A radio frequency applicator and method for heating a hydrocarbon formation is disclosed. An aspect of at least one embodiment disclosed is a linear radio frequency applicator. It includes a transmission line and a current return path that is insulated from the transmission line. At least one conductive sleeve is positioned around the transmission line and the current return path. The transmission line and the current return path are electrically connected to the conductive sleeve. A radio ...

Perforating gun with rotatable charge tube

Patent Number: 8443886
Publication Date: 2013-05-21
Inventor:

A perforating gun designed to orient a charge holding structure (e.g., tube, solid rod) within a barrel of the perforating gun to be at the same position relative to a wellbore casing regardless of a position of the barrel of the perforating gun. A charge assembly receivable within the barrel includes the charge holding structure and first and second end caps that are rotatably interconnected to the charge holding structure and non-rotatably interconnected to the barrel. As the charge ...

Consolidating agent emulsions and associated methods

Patent Number: 8443885
Publication Date: 2013-05-21
Inventors: ;

Methods are provided that include a method comprising providing a consolidating agent emulsion composition comprising an aqueous fluid, an emulsifying agent, and a consolidating agent; and introducing the consolidating agent emulsion composition into at least a portion of a subterranean formation. In some embodiments, the consolidating agent emulsion composition may be introduced into at least a portion of a propped fracture that comprises proppant particulates and allowed to at least ...

Directional setting tool and associated methods

Patent Number: 8443884
Publication Date: 2013-05-21
Inventor:

A setting tool for setting a well tool in a wellbore includes a setting mechanism which is operative to apply a setting force to set the well tool, and an orientation indicator which indicates an orientation of the setting tool. A method of setting a well tool and engaging an assembly with the well tool includes setting the well tool in a wellbore utilizing a setting tool which includes an orientation indicator, and then engaging the assembly with the well tool, thereby fixing an ...

Apparatus and method for detecting poor hole cleaning and stuck pipe

Patent Number: 8443883
Publication Date: 2013-05-21
Inventor:

A method for preventing a downhole tool from getting stuck in a wellbore, includes: monitoring output of at least one friction sensor mounted on an external surface of the downhole tool; and if the output indicates a high friction condition, then reducing the friction to prevent the tool from getting stuck. A tool and a computer program product are ...

Wellbore centralizer for tubulars

Patent Number: 8443882
Publication Date: 2013-05-21
Inventors: ;

A tubular centralizer is secured to the tubular for run in. The profile for run in is small so that damage to the centralizer is minimized during run in. When the string is in position the centralizer is actuated to change shape or volume to engage the surrounding borehole to centralize the tubular for subsequent operations such as cementing or in the case of screens for gravel packing. The centralizer can be a shape memory material that is initially compressed at above its transition ...

Expandable liner hanger and method of use

Patent Number: 8443881
Publication Date: 2013-05-21
Inventors: ;

The present invention generally relates to an expandable liner hanger capable of being expanded into a surrounding casing. In one aspect, an expandable tubular system is provided. The system includes an expandable tubular. The system further includes an expansion swage for expanding the expandable tubular, wherein the expansion swage is deformable from a compliant configuration to a smaller substantially non-compliant configuration. Additionally, the system includes a restriction member ...

Blowout preventer with shearing blades

Patent Number: 8443880
Publication Date: 2013-05-21
Inventor:

The disclosure provides a blowout preventer (BOP) system with a ram having a shear blade with a shear blade profile to shear a tubular member disposed in the BOP. The shear blade profile can include a stress concentrator and centering shaped surface. The stress concentrator and the centering shaped surface can be laterally offset from a centerline of ram travel and on opposite sides of the centerline. An opposing second shear blade can have a mirror image of the shear blade profile with the ...

Blowout preventer with shearing blades

Patent Number: 8443879
Publication Date: 2013-05-21
Inventor:

The disclosure provides a blowout preventer (BOP) system with a ram having a shear blade with a shear blade profile to shear a tubular member disposed in the BOP. The shear blade profile can include a stress concentrator and centering shaped surface. The stress concentrator and the centering shaped surface can be laterally offset from a centerline of ram travel and on opposite sides of the centerline. An opposing second shear blade can have a mirror image of the shear blade profile with the ...

Dual stripper assembly for slick cable

Patent Number: 8443878
Publication Date: 2013-05-21
Inventor:

The dual stripper device of the invention has a hollow body formed for coaxial connection to the wellhead which provides for unobstructed passage of a slick cable, such as a data transmitting cable which transmits data in real time to the well surface. Disposed coaxially within the hollow body is a resilient wiper element with an internal bore formed along its longitudinal axis for passage of the slick cable. A hydraulically actuated piston applies a compressive force to the wiper element ...

Drilling rig with top drive and inside blowout preventer

Patent Number: 8443877
Publication Date: 2013-05-21
Inventor:

A drilling rig with a top drive having an inside blowout preventer for drilling in a wellbore, the drilling rig having a derrick and a crown, a torque track suspended from the crown, a travelling block hanging from a cable, a drawworks for raising or lowering the travelling block, and a top drive with a rotatable stem suspended from the travelling block. The top drive has a motor mounted to the top drive housing and is connected to the rotatable stem. An inside blowout preventer with a ...

Top drive with inside blowout preventer

Patent Number: 8443876
Publication Date: 2013-05-21
Inventor:

This invention is a top drive having an inside blowout preventer connected with a rotatable stem. The inside blowout preventer includes a hydraulically actuatable arm. An inside blowout preventer with a rotatable stem is connected to the top drive rotatable stem. The inside blowout preventer has a hydraulically actuatable arm, a hydraulic cylinder, a tubular body having a tubular bore, and a valve operator assembly surrounding the tubular ...

Down hole tool with adjustable fluid viscosity

Patent Number: 8443875
Publication Date: 2013-05-21
Inventor:

A down hole tool includes a tool body, a fluid cavity, a magnetorheological fluid disposed in the fluid cavity, and an electrical control unit in communication with the MR fluid. The electrical control unit is configured to adjust a viscosity of the MR fluid by varying a magnetic ...

Radial spring latch apparatus and methods for making and using same

Patent Number: 8439122
Publication Date: 2013-05-14
Inventors: ; ;

New locking connector assemblies and telescoping extension/retraction assemblies are disclosed that operate on the natural spring rate constraints of radial protrusions or radially constrained rings as they interact with engaging members to provide the locking force and permit the connector and extension retraction assemblies to be engage and disengaged or extended and ...

Hydraulic interlock system between casing gripper and spider

Patent Number: 8439121
Publication Date: 2013-05-14
Inventors: ;

A system for deploying a string of pipe from a drilling rig into a well includes a spider for mounting on a rig floor and a pipe gripper attached to the top drive. A hydraulic safety circuit monitors hydraulic fluid pressure at an apply port of the gripper and prevents hydraulic fluid pressure from being directed to move the slips to the released position if hydraulic fluid pressure is not already present at the apply port of the gripper. The safety circuit also monitors hydraulic fluid ...

Method of sealing annular space between inner and outer upright tubes

Patent Number: 8439120
Publication Date: 2013-05-14
Inventors: ; ;

A method of sealing annular space between an upright outer tube and an upright inner tube extending within the outer tube along an axial direction thereof involves pouring a liquid seal material into the annular space onto a support member fitted within the annular space between the outer tube and the inner tube in a manner substantially closing around the inner tube. The liquid seal material is poured in an amount sufficient to fill radial space between the inner tube and the outer tube ...

Latching mechanism for changing pump size

Patent Number: 8439119
Publication Date: 2013-05-14
Inventors: ;

A latching mechanism for selectively disengaging an upper pump from a motor in an ESP. The latching mechanism comprises barbs formed on an upper end of an upper shaft that are engaged by a tool to lift the upper shaft until a lower end of the upper shaft disengages from an upper end of a motor shaft. When the upper pump is disengaged from the motor shaft, only a lower pump is driven by the motor and flow of well fluid is circulated past the disengaged upper pump via a bypass line. The upper ...

Pressure vortex device to allow flapper closure in high velocity fluid applications

Patent Number: 8439118
Publication Date: 2013-05-14
Inventors: ; ;

The problem of flappers that will not close due to high velocity gas rushing past and creating a vortex that has zones of high pressure pressing the flapper against the force of the torsion spring is reduced or overcome with modifications in the passage through a subsurface safety valve so as to reduce the intensity of the vortex to allow the torsion spring to pivot the flapper to closed position. Various shapes are inserted adjacent the flapper base to create turbulence to minimize or ...

Vortex controlled variable flow resistance device and related tools and methods

Patent Number: 8439117
Publication Date: 2013-05-14
Inventors: ; ;

A vortex-controlled variable flow resistance device ideal for use in a backpressure tool for advancing drill string in extended reach downhole operations. The characteristics of the pressure waves generated by the device are controlled by the growth and decay of vortices in the vortex chamber(s) of a flow path. The flow path includes a switch, such as a bi-stable fluidic switch, for reversing the direction of the flow in the vortex chamber. The flow path may include multiple vortex ...

Method for inducing fracture complexity in hydraulically fractured horizontal well completions

Patent Number: 8439116
Publication Date: 2013-05-14
Inventors: ; ;

A method of inducing fracture complexity within a fracturing interval of a subterranean formation comprising characterizing the subterranean formation, defining a stress anisotropy-altering dimension, providing a wellbore servicing apparatus configured to alter the stress anisotropy of the fracturing interval of the subterranean formation, altering the stress anisotropy within the fracturing interval, and introducing a fracture in the fracturing interval in which the stress anisotropy has ...

Methods of chemical diversion of scale inhibitors

Patent Number: 8439115
Publication Date: 2013-05-14
Inventor:

A method of treating a hydrocarbon-containing formation including injecting a scale inhibiting well treating fluid into a well, wherein the well treating fluid includes a self-diverting acid that includes about 1% to 20% by volume of at least one viscoelastic surfactant selected from a family of compounds described by

where R₃contains at least 10 carbon atoms, p=1-6, R₂contains 1-6 carbon atoms and R₁contains 1-6 ...

Method and apparatus for orienting perforating devices

Patent Number: 8439114
Publication Date: 2013-05-14
Inventors: ; ;

The present invention provides an apparatus and method of orienting perforating gun strings conveyed on a tool string. One embodiment of the present invention provides an orienting weight provided in a portion of the perforating device, such as the shaped charge, the loading tube or the gun housing. An adapter is provided intermediate the tool string that facilitates conveyance of the gun string downhole. Additionally, the adapter enables the gun string to rotate independent of the tool ...

Pump in reverse outliner drilling system

Patent Number: 8439113
Publication Date: 2013-05-14
Inventor:

A liner string for a well has a liner hanger assembly at an upper portion of the liner string. A profile sub is located at a bottom portion of the liner string. A bottom hole assembly is latched to the profile sub. The operator lowers the liner string into the well with a drill pipe string and rotates the drill pipe string to rotate the drill bit to deepen the well. At a selected depth, the operator releases the bottom hole assembly from the profile sub and reverse circulates drilling fluid ...

Method and system for surface filtering of solids from return fluids in well operations

Patent Number: 8439112
Publication Date: 2013-05-14
Inventor:

A system and method for separating solids from return fluids in well drill-out, flow back, well-test, and other production operations. Solids are collected in a filter comprising a perforate inner tube inside a solid outer tube with an annulus therebetween. The fluid stream from the well enters the filter through the inner tube so that the solids are captured inside and the filtrate flows out through the annulus. The filtrate is passed though a flow back line to a flow back tank. As needed, ...

Hydrocarbon recovery process

Patent Number: 8439111
Publication Date: 2013-05-14
Inventors: ; ; ; ;

Hydrocarbons are recovered from subterranean formations by waterflooding. The method comprises passing an aqueous displacement fluid via an injection well through a porous and permeable sandstone formation to release oil and recovering said released oil from a production well spaced from said injection well, wherein (a) the sandstone formation comprises at least one mineral having a negative zeta potential under the formation conditions; (b) oil and connate water are present in the pores of ...

Single packer system for use in heavy oil environments

Patent Number: 8439110
Publication Date: 2013-05-14
Inventors: ; ; ;

A technique involves collecting formation fluids through a single packer having at least one drain located within the single packer. The single packer comprises an outer seal layer, and the at least one drain is positioned in the outer seal layer. A viscosity system also is incorporated and enables the viscosity of a surrounding fluid to be selectively lowered for ...

System and method for depth measurement and correction during subsea intervention operations

Patent Number: 8439109
Publication Date: 2013-05-14
Inventor:

A technique enables determination of changes in length of a conveyance deployed between a surface vessel and a subsea installation. The technique allows information to be obtained on the relationship between length of conveyance spooled out or spooled in at a surface location and the depth and/or speed of an intervention well tool deployed in a well. The information can be used to determine the actual depth of the well tool deployed in the well for the intervention ...

Application of degradable polymers in sand control

Patent Number: 8439108
Publication Date: 2013-05-14
Inventor:

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 placement in a well. Mechanical changes or flow changes in a well can be caused by solid degradable polymer that changes physical properties after it is placed in a well. Parts of devices or entire devices can be made of solid degradable polymer that converts to a fluid after selected times in an ...

Retrievable tool with ratchet lock feature

Patent Number: 8439107
Publication Date: 2013-05-14
Inventor:

A releasable locking system for a subterranean tool uses a split housing for a body lock ring that in one mode is retained for its normal locking function by a setting sleeve. The setting sleeve holds the potential energy in the housing that would otherwise cause the housing to grow radially and away from a locking function. The locking is defeated as a surrounding setting sleeve with a recess is moved to juxtapose the recess with the segmented housing allowing the housing to spring into ...

Logging system and methodology

Patent Number: 8439106
Publication Date: 2013-05-14
Inventors: ; ;

A technique facilitates the logging of hot, subterranean environments with a variety of logging tools. Logging tools with temperature limit ratings may be employed in environments that would otherwise be detrimental to operation of the logging tool due to the heat. The logging tool may be protected through placement of the tool at a desired location within a non-metallic flask. The logging tool also is surrounded with an insulating material and/or a material with a high heat of fusion ...