135492 ⎘
Sealing or packing boreholes or wells in the borehole; Packers; Plugs Units with longitudinally-spaced plugs for isolating the intermediate space
Sub-classes:Downhole Tool and Method of Use
#2INTERVAL CONTROL VALVE WITH MODULAR SCREENS DOWNHOLE IN A WELLBORE
#3SELECTIVE EXTRACTION SYSTEM AND METHOD
#4METHOD AND APPARATUS FOR STRESS TESTING OF GEOLOGICAL FORMATIONS WITH A HIGH PERMEABILITY
#5METHODS AND DEVICES FOR RETAINING CONVEYED HEAT UP A WELLBORE
#6COIL SHIFTABLE PACKER
#7PRODUCING HYDROCARBONS FROM MULTIPLE FORMATIONS
#8OPTIMAL SUBSURFACE DESIGN FOR HIGH BUBBLE POINT PRESSURE RESERVOIRS
#9INDIRECT HYDRAULIC FRACTURING METHOD AND SYSTEM
#10CURING CASING LEAK TOOL
#11Remediating Failed Isolation in Plug-and-Perforation Operations
#12GAS-LIQUID SPACER FOR REMOVAL OF LIQUID FROM SUBSEA LINES AND ITS RELATED USES
#13DOWNHOLE ROTARY SLIP RING JOINT TO ALLOW ROTATION OF ASSEMBLIES WITH THREE OR MORE CONTROL LINES
#14PROCESSES FOR INJECTION OF FLUIDS INTO A WELLBORE VIA DRILL PIPE
#15ISOLATION PLUGS, RATCHET SYSTEMS, AND METHODS TO SET A PACKING ELEMENT
#16SYSTEMS AND METHODS FOR MULTISTAGE FRACTURING
#17ELECTRIC COMPLETION SYSTEM AND METHODOLOGY
#18Wellbore tubular anchor sub and seal for modular completion interface
#19DOWNHOLE PACKER APPARATUS PROMOTING RADIAL FLOW
#20Monitoring integrity of downhole mechanical plug
#21PROCESSES FOR INJECTION OF FLUIDS INTO A WELLBORE VIA DRILL PIPE
#22Deep gas-lift in compromised wells
#23DUAL-PUMP ASSEMBLY TO SAMPLE DOWNHOLE HEAVY HYDROCARBONS
#24DOWNHOLE TOOL AND METHOD OF USE
#25Processes for injection of fluids into a wellbore
#26SEALING ELEMENT WITH SLOPED ENDS
#27SEALING ELEMENT OF ISOLATION DEVICE WITH INNER CORE AND OUTER SHELL
#28Treatment system, method, and borehole system
#29COIL SHIFTABLE PACKER
#30Method for isolation of borehole pressure while performing a borehole operation in a pressure isolated borehole zone
#31Method and downhole apparatus to accelerate wormhole initiation and propagation during matrix acidizing of a subterranean rock formation
#32Gas capable frangible disc barrier valve
#33Drill stem testing
#34Liner/casing buoyancy arrangement, method and system
#35LINER/CASING BUOYANCY ARRANGEMENT, METHOD AND SYSTEM
#36PRESSURE CYCLE DOWNHOLE TOOL ACTUATION
#37Method and Apparatus for a plug including a radial and collapsible gap within the continuous expandable sealing ring.
#38Pump Out Plug Barrier
#39Selective zonal isolation
#40Method and apparatus for a plug with a retractable pivoting mechanism for untethered object
#41SELECTIVE EXTRACTION SYSTEM AND METHOD
#42DOWNHOLE INTERVENTION AND COMPLETION DRONE AND METHODS OF USE
#43Inflatable element system for downhole tools
#44Maintaining integrity of lower completion for multi-stage fracturing
#45Downhole zonal isolation assembly
#46Methods for in-situ application of a coating agent to production tubing using a plunger lift system
#47System and method for performing a straddle frac operation
#48Methods and apparatus for providing a plug activated by cup and untethered object
#49COLLAPSIBLE SHELL PACKER FOR METAL-TO-METAL SEALING
#50Sealing assembly for wellbore operations
#51Methods of sealing polished bore receptacles by localized sealant injection
#52Extreme Temperature Isolation Packer and Deployment System
#53Systems and methods for evaluating subterranean formations using an induced gas logging tool
#54Downhole rotary slip ring joint to allow rotation of assemblies with three or more control lines
#55Downhole rotary slip ring joint to allow rotation of assemblies with multiple control lines
#56DOWNHOLE ROTARY SLIP RING JOINT TO ALLOW ROTATION OF ASSEMBLIES WITH ELECTRICAL AND FIBER OPTIC CONTROL LINES
#57Method for interval action on horizontal wells
#58Isolation tool and methods of isolating a section of pipe or a vessel
#59ISOLATION PLUG TOOL AND METHOD
#60Repairing a cased wellbore
#61Solid state lost circulation material
#62Downhole tool and method of use
#63Isolation tool and methods of use thereof
#64Wire line deployable metal patch stackable system
#65Apparatus, method and wellbore installation to mitigate heat damage to well components during high temperature fluid injection
#66Downhole completion system
#67Wellbore sleeve injector and method
#68Methods and apparatus for providing a plug with a two-step expansion
#69Cement plug fragmentation enhancement
#70DOWNHOLE INTERVENTION AND COMPLETION DRONE AND METHODS OF USE
#71Collapsible and retrievable setting apparatus and method of use
#72Reservoir isolation valve for secondary completion
#73Method and apparatus for providing a plug with a deformable expandable continuous ring creating a fluid barrier
#74Method and downhole apparatus to accelerate wormhole initiation and propagation during matrix acidizing of a subterranean rock formation
#75Dissolvable object with a cavity and a fluid entry point
#76Isolating a wellbore with a wellbore isolation system
#77Downhole well tools and methods of using such
#78Well collapse reconnect method
#79Wellbore isolation device
#80Downhole fishing tool
#81Multi-zone single trip completion system
#82Well intervention-less control of perforation formation and isolation
#83Self-destructible frac ball enclosed within a destructible ball retainer
#84Dual sub-surface release plug with bypass for small diameter liners
#85Downhole tool with bottom composite slip
#86Isolation device with inner mandrel removed after setting
#87Methods and systems for mapping a wellbore for refracturing
#88SETTING MECHANICAL BARRIERS IN A SINGLE RUN
#89Fluid flow control during well treatment
#90Straddle packer with fluid pressure packer set and velocity bypass for propant-laden fracturing fluids
#91Reservoir logging and pressure measurement for multi-reservoir wells
#92Devices and methods to mitigate pressure buildup in an isolated wellbore annulus
#93Completion systems and methods to perform completion operations
#94Modular pressure cylinder for a downhole tool
#95Downhole production fluid fractionation system
#96Wire line deployable metal patch stackable system
#97Straddle packer with fluid pressure packer set and automatic stay-set
#98Fluid flow control during well treatment
#99Cased bore straddle packer
#100Wellbore isolation device
#101Focused formation sampling method and apparatus
#102Insertion of a seal stinger into a packer positioned in a wellbore to facilitate straddling a damaged zone within the wellbore
#103Downhole packer apparatus
#104Well injection and production method and system
#105Method and apparatus for producing well fluids
#106Downhole pump and method for producing well fluids
#107Measuring horizontal stress in an underground formation
#108Zonal isolation device with expansion ring
#109Borehole wall resistance increasing apparatus for improving energy utilization rate of injection gas
#110Tandem cement retainer and bridge plug
#111Drill stem testing
#112High pressure sealing tool for use in downhole environment
#113Downhole tool with a slip insert having a hole
#114Downhole plugging system
#115Sealing tubing anchor catcher
#116WELL STIMULATION APPARATUS AND A METHOD OF USE THEREOF
#117Downhole sealing apparatuses and related downhole assemblies and methods
#118Stimulating U-shape wellbores
#119Stimulating U-shape wellbores
#120Straddle packer with fluid pressure packer set and automatic stay-set
#121Deflector assembly and efficient method for multi-stage fracturing a multilateral well using the same
#122Methods and apparatus for use in oil and gas well completion
#123Multi-zone single trip completion system
#124Apparatuses and methods for enabling multistage hydraulic fracturing
#125Plug and production tubing for a petroleum well
#126Systems and techniques for controlling and monitoring downhole operations in a well
#127Casing patch for loss circulation zone
#128Multi-functional sleeve completion system with return and reverse fluid path
#129Plug system
#130Wellhead arrangement and method
#131Tandem cement retainer and bridge plug
#132Complex components for molded composite frac plugs
#133Downhole fishing tool
#134Wellbore sleeve injector and method
#135Method and Apparatus for Wellbore Fluid Treatment
#136DOWNHOLE TOOL AND METHOD OF USE
#137Annular barrier system
#138Straddle packer with fluid pressure packer set and velocity bypass for proppant-laden fracturing fluids
#139System and method for isolating a wellbore zone for rigless hydraulic fracturing
#140Downhole tool and method of use
#141Monitoring systems and methods
#142Downhole tool with bottom composite slip
#143Method of monitoring a reservoir
#144Downhole tool and method of use
#145Multi-zone well testing
#146Tandem releasable bridge plug system and method for setting such tandem releasable plugs
#147Gas capable frangible disc barrier valve
#148System and method to control wellbore pressure during perforating
#149Methods and electrically-actuated apparatus for wellbore operations
#150Modular pressure cylinder for a downhole tool
#151Straddle packer with fluid pressure packer set and velocity bypass
#152Downhole operations relating to open hole gravel packs and tools for use therein
#153Cased bore straddle packer
#154CASING WIPER PLUG SYSTEM AND METHOD FOR OPERATING THE SAME
#155System and method for delivering a flowable substance and borehole sealing
#156Downhole repairing system and method of use
#157EXTENDED REACH PLUG HAVING DEGRADABLE ELEMENTS
#158Diverter valve for a bottom hole assembly
#159Place-n-perf
#160PLUG SLIP RING WITH RETAINING MECHANISM AND METHOD
#161PLUG ASSEMBLY FOR A PIPE SYSTEM
#162Apparatus and method to expel fluid
#163Downhole casing patch
#164Non-Extruding Single Packer
#165Hydraulic device and method for locating and sealing holes or cracks in oil well production tubing
#166SEAT ASSEMBLY FOR USE IN FRACTURING SUBSURFACE GEOLOGIC FORMATIONS
#167Hydraulic fraction down-hole system with circulation port and jet pump for removal of residual fracking fluid
#168Gas separator assembly with degradable material
#169Test dart system and method
#170Annular barrier for small diameter wells
#171Method and apparatus for wellbore fluid treatment
#172Smart well plug and method for inspecting the integrity of a barrier in an underground wellbore
#173Apparatus and method for testing an oil and/or gas well with a multiple-stage completion
#174Method and apparatus for wellbore fluid treatment
#175Crude oil production method and equipment
#176Pressure perforated well casing collar and method of use
#177Expandable device for use in a well bore
#178METHOD AND APPARATUS FOR WELLBORE FLUID TREATMENT
#179DOWNHOLE APPARATUS AND METHOD
#180METHOD AND APPARATUS FOR TREATING A WELLBORE
#181DOWNHOLE TOOL AND METHOD OF USE
#182Active flow control with multizone hydraulic power distribution module
#183System and method for stimulating a well
#184Plugging tool, and method of plugging a well
#185Methods for Refracturing a Subterranean Formation
#186System and methods for controlled fracturing in formations
#187Downhole tool including a resettable plug with a flow-through valve
#188Mandrel for a Downhole Tool
#189Fingered member with dissolving insert
#190Downhole tool and method of use
#191Downhole tool and method of use
#192DOWNHOLE TOOL AND METHOD OF USE
#193Downhole tool and method of use
#194Wellbore plug isolation system and method
#195SWELLABLE CHOKE PACKER
#196Testable isolation packer
#197Well control using a modified liner tie-back
#198Wellbore plug isolation system and method
#199Multi-zone well treatment
#200Systems and techniques for controlling and monitoring downhole operations in a well
#201Apparatus and method for locating and setting a tool in a profile
#202Downhole tool and methods of use
#203Increasing hydrocarbon recovery from reservoirs
#204Downhole tool and method of use
#205Downhole tool and method of use
#206Plug of extended reach
#207Borehole data transmission method for flowed back borehole plugs with a lower slip assembly or object landed on said plugs
#208Downhole straddle assembly
#209System and method for downhole operations
#210METHOD FOR DEVELOPING AN OIL BEARING FORMATION
#211Monitoring systems and methods
#212Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formation
#213Methods and electrically-actuated apparatus for wellbore operations
#214SWELLGUARD ER ISOLATION TOOL
#215Apparatus for injecting a fluid into a geological formation
#216Extended reach plug
#217System and method for isolating a section of a well
#218Downhole well tools and methods of using such
#219Burst plug assembly with choke insert, fracturing tool and method of fracturing with same
#220Method of sealing a fracture in a wellbore and sealing system
#221Fracking tool further having a dump port for sand flushing, and method of fracking a formation using such tool
#222EXPANDABLE TUBULAR ELEMENT BEARING ONE OR MORE SWELLING SEALS
#223Apparatuses and methods for enabling multistage hydraulic fracturing
#224Lateral drilling system
#225Petroleum well formation back pressure field meter system
#226Downhole packer tool
#227Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal
#228Downhole tool having a mandrel with a relief point
#229High energy severing tool with pressure balanced explosives
#230Dual barrier pump-out plug
#231Method of placing cement sealing rings at predetermined annular locations around a tubular string
#232Perforator with a mechanical diversion tool and related methods
#233Settable well tool method
#234FRACTURING WHILE TRIPPING
#235Downhole system for use in a wellbore and method for the same
#236Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formation
#237Method and apparatus for wellbore fluid treatment
#238Method and apparatus for wellbore fluid treatment
#239Downhole tool with one-piece slip
#240Apparatus for injecting a fluid into a geological formation
#241Expandable tools using segmented cylindrical sections
#242Method and apparatus for wellbore control
#243Completion assembly with bypass for reversing valve
#244Coiled tubing through production tubing zone isolation and production method
#245Subsurface injection of reject stream
#246Sandface liner with power, control and communication link via a tie back string
#247Method for developing oil or natural gas shale or tight rock formations in two step process
#248Use of segmented ball seat and rotational locking collet for frac ball counter
#249Thermal memory spacing system
#250System and Method for Enabling the Detection of Fluid Production and Stimulation of a Portion of a Wellbore
#251Wellbore systems and methods for supplying treatment fluids via more than one path to a formation
#252Oilfield operation using a drill string
#253Use of real-time pressure data to evaluate fracturing performance
#254Straddle packer equalization and self recovery module
#255TREATMENT STRING AND METHOD OF USE THEREOF
#256Apparatus for Zonal Communication Interruption
#257Inflow control system for use in a wellbore
#258Morphing tubulars
#259Method and system for hydraulic fracture diagnosis with the use of a coiled tubing dual isolation service tool
#260Hydraulic injection diagnostic tool
#261Methods and apparatus for downhole propellant-based stimulation with wellbore pressure containment
#262CONCENTRIC COIL TUBING DEPLOYMENT FOR HYDRAULIC FRACTURE APPLICATION
#263Method and system for hydraulic fracture diagnosis with the use of a coiled tubing dual isolation service tool
#264Downhole stimulation tools and related methods of stimulating a producing formation
#265Crossover tool, method of making a crossover tool and two parts of a two-part crossover tool
#266ONE-TRIP PACKER AND PERFORATING GUN SYSTEM
#267FRACTURING PORT LOCATOR AND ISOLATION TOOL
#268TREATING AND COMPLETION SYSTEM AND METHOD OF TREATING A FORMATION
#269Method and apparatus for wellbore fluid treatment
#270Inertial occlusion release device
#271Method and apparatus for wellbore fluid treatment
#272HYDRAULIC FRACTURING WHILE DRILLING AND/OR TRIPPING
#273Downhole tool device and method for using the same
#274Wellbore plug isolation system and method
#275Barrier device with fluid bypass for multi-zone wellbores
#276INCREASING HYDROCARBON RECOVERY FROM RESERVOIRS
#277Methods for multi-zone fracture stimulation of a well
#278Ferrofluid tool for influencing electrically conductive paths in a wellbore
#279Downhole communication and control system and method for non-sequential downhole operations
#280Self-boosting expandable seal with cantilevered seal arm
#281Dual barrier perforating system
#282Completion tool, string completion system, and method of completing a well
#283Gravity-based casing orientation tools and methods
#284Testable isolation packer
#285High energy severing tool with pressure balanced explosives
#286Intelligent test system and method for multi-segment fractured horizontal well
#287Hydraulic fracturing isolation methods and well casing plugs for re-fracturing horizontal multizone wellbores
#288Multi-zone single treatment gravel pack system
#289Method of Supporting a Subterranean Conduit
#290Systems and methods for inline chemical injection for dump flood water injectors
#291Wireline assisted coiled tubing portion and method for operation of such a coiled tubing portion
#292Straddle packer system
#293Synchronic dual packer with energized slip joint
#294Synchronic dual packer
#295WELL INJECTION AND PRODUCTION METHOD AND SYSTEM
#296Method for stabilizing a cavity in a well
#297Method of pressure testing a plugged well
#298BOREHOLE SHUT-IN SYSTEM WITH PRESSURE INTERROGATION FOR NON-PENETRATED BOREHOLE BARRIERS
#299Two phase mud flow usage with dual-string drilling system
#300Refracturing an already fractured borehole