135610 ⎘
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Perforators; Permeators; Gun or shaped-charge perforators Ignition systems
Apparatus and Method for Quick Connect of a Plurality of Guns for Well Perforation
#302Shearable deployment bar with ballistic transfer
#303Setting tool igniter system and method
#304Pressure bulkhead structure with integrated selective electronic switch circuitry
#305Integrated wiring gun and method
#306System for degrading structure using mechanical impact and method
#307Propellant stimulation for measurement of transient pressure effects of the propellant
#308Perforating systems with insensitive high explosive
#309Detonation transfer system
#310Tubing conveyed perforating system with safety feature
#311ELECTRICALLY POWERED SETTING TOOL AND PERFORATING GUN
#312Contact plunger cartridge assembly
#313Electronic time delay apparatus and method
#314Apparatus and method for puncturing a pipe
#315Select fire switch form factor system and method
#316Pressure bulkhead structure with integrated selective electronic switch circuitry, pressure-isolating enclosure containing such selective electronic switch circuitry, and methods of making such
#317Solid-state overvoltage firing switch
#318Perforating gun for oil and gas wells, perforating gun system, and method for producing a perforating gun
#319Perforation gun components and system
#320Pyrotechnic initiated hydrostatic/boost assisted down-hole activation device and method
#321Downhole assembly including degradable-on-demand material and method to degrade downhole tool
#322Downhole assembly including degradable-on-demand material and method to degrade downhole tool
#323Method of initiating a percussion initiator
#324Laser firing head for perforating gun
#325Wellbore gun perforating system and method
#326Non-detonable shaped charge and activation
#327Extended jet perforating device
#328Initiator head assembly
#329Mitigated dynamic underbalance
#330Apparatus and method for puncturing a pipe
#331Selectable switch to set a downhole tool
#332Box by Pin Perforating Gun System and Methods
#333Methods and electrically-actuated apparatus for wellbore operations
#334Degradable material time delay system and method
#335Degradable material time delay system and method
#336Degradable material time delay system and method
#337Perforating systems with insensitive high explosive
#338Box by pin perforating gun system and methods
#339Exploding bridge wire detonation wave shaper
#340RF attenuating switch for use with explosives and method of using the same
#341System And Method For Performing An Operation
#342Switching device for, and a method of switching, a downhole tool
#343System for fracturing an underground geologic formation
#344Perforating tool
#345Initiator head assembly
#346HIGH SHOT DENSITY PERFORATING GUN
#347EFP detonating cord
#348Igniter assembly for a setting tool
#349In-line integrity checker
#350Perforating gun and detonator assembly
#351Wellbore gun perforating system and method
#352Detonation control
#353In-line adapter for a perforating gun
#354Perforating gun system
#355Detonator structure and system
#356Oilfield side initiation block containing booster
#357Detonation command and control
#358Select fire switch control system and method
#359Tool
#360Bulkhead assembly having a pivotable electric contact component and integrated ground apparatus
#361Wellbore gun perforating system and method
#362Wellbore gun perforating system and method
#363Wellbore gun perforating system and method
#364Select fire switch form factor system and method
#365Wellbore gun perforating system and method
#366Pressure switch for selective firing of perforating guns
#367Ballistic transfer module
#368Double safety firing system for initiators
#369Solid state phase change flasking for a downhole tool component
#370Electrically powered setting tool and perforating gun
#371Cohesively enhanced modular perforating gun
#372Perforating gun and detonator assembly
#373Initiator having an explosive substance of a secondary explosive
#374Igniter for Downhole Use Having Flame Control
#375Vented-at-temperature igniter
#376Perforating gun with integrated initiator
#377Switching device for, and a method of switching, a downhole tool
#378Downhole severing tool
#379DETONATOR OUTPUT INTERRUPTER FOR DOWNHOLE TOOLS
#380Venting system for a shaped charge in the event of deflagration
#381Redundant firing system for wellbore tools
#382Wireless communication for downhole tool strings
#383Downhole control device
#384Structure for gunpowder charge in multi-frac composite perforating device
#385Assembly of RF-safe switch and detonator system in a non-RF free environment
#386System and method for performing a perforation operation
#387In-line adapter for a perforating gun
#388Downhole supercapacitor device
#389Firing mechanism for a perforating gun or other downhole tool
#390Open Hole Casing Run Perforating Tool
#391Downhole supercapacitor device
#392System for fracturing an underground geologic formation
#393Explosive assembly and method
#394Detonation control
#395Wellbore servicing tools, systems and methods utilizing downhole wireless switches
#396Support Bracket for Selective Fire Switches
#397Geologic fracturing method and resulting fractured geologic structure
#398Wellbore servicing tools, systems and methods utilizing near-field communication
#399Perforating safety system and assembly
#400Downhole supercapacitor device
#401System and method for safely conducting explosive operations in a formation
#402Explosive well tool firing head
#403Extended jet perforating device
#404Systems and methods for monitoring a wellbore and actuating a downhole device
#405Apparatus and methods for controlling and communicating with downhole devices
#406Downhole severing tool
#407Transient control of wellbore pressure
#408Interruptor sub, perforating gun having the same, and method of blocking ballistic transfer
#409Selectable, internally oriented and/or integrally transportable explosive assemblies
#410Pass-through bulkhead connection switch for a perforating gun
#411Safety device
#412Electromechanical assembly for connecting a series of guns used in the perforation of wells
#413Novel Device and Methods for Firing Perforating Guns
#414Device for intervention in a well comprising a pyrotechnic system, installation and method associated therewith
#415Perforating string with magnetohydrodynamic initiation transfer
#416Downhole perforating gun switch
#417Electronic Switch and Circuit for Select-Fire Perforating Guns
#418PERFORATING GUN AND ARMING METHOD
#419Selectable, internally oriented and/or integrally transportable explosive assemblies
#420Connection cartridge for downhole string
#421Device for verifying detonator connection
#422Spark gap isolated, RF safe, primary explosive detonator for downhole applications
#423Method of fabrication and use of integrated detonators
#424Perforating safety system and assembly
#425Electronic blast control system for multiple downhole operations
#426Electronic selector switch for perforation
#427Switching device for, and a method of switching, a downhole tool
#428Apparatus and methods for controlling and communicating with downwhole devices
#429Electric and ballistic connection through a field joint
#430Electronic blasting capsule
#431Method and apparatus for perforating multiple wellbore intervals
#432Nano-based devices for use in a wellbore
#433Detonator for material-dispensing wellbore tools
#434Apparatus and methods for sidewall percussion coring using a voltage activated igniter
#435Perforation tool with switch
#436Firing trigger apparatus and method for downhole tools
#437Reliable propagation of ignition in perforation systems
#438Device and methods for firing perforating guns
#439Method for selective activation of downhole devices in a tool string
#440Ballistically compatible backpressure valve
#441Modular initiator
#442Interactive and/or secure activation of a tool
#443Downhole initiator for an explosive end device
#444Method for use in a wellbore
#445Wireless perforating gun initiation
#446Telemetry subsystem to communicate with plural downhole modules
#447Method and apparatus for orienting perforating devices
#448PROCESS OF IMPROVING A GUN ARMING EFFICIENCY
#449Thermally Activated Well Perforating Safety System
#450Sealing and communicating in wells
#451Methods and apparatuses for electronic time delay and systems including same
#452Methods and apparatuses for electronic time delay and systems including same
#453Wireless perforating gun
#454Safety vent valve
#455Safety apparatus for perforating system
#456Heat insulating container for a detonator
#457Apparatus and method for selective actuation of downhole tools
#458Interactive and/or secure activation of a tool
#459Perforating safety system
#460Perforating apparatus, firing assembly, and method
#461Device and methods for firing perforating guns
#462Debris reduction perforating apparatus
#463Perforating apparatus, firing assembly, and method
#464Casing conveyed well perforating apparatus and method
#465High-pressure explosive retention device
#466Integrated detonators for use with explosive devices
#467Perforating system and method
#468Micro-switches for downhole use
#469Casing conveyed well perforating apparatus and method
#470Casing conveyed well perforating apparatus and method
#471Secure activation of a downhole device
#472Integrated selective-firing detonator special for oil and gas wells
#473Discrete perforating device
#474Fluid trap and baffle system
#475Downhole perforating gun tube and components
#476Reactive foil lined shaped charge
#477Downhole safety switch and communication protocol
#478Downhole perforating gun tube and components
#479Perforating gun and method of using same
#480Perforating gun having grounding assembly
#481Downhole perforating gun system and methods of manufacture, assembly and use
#482Directly initiated addressable power charge
#483Downhole perforating gun system
#484Electrical contact design for a perforating gun
#485Downhole perforating gun system and methods of manufacture, assembly and use
#486Downhole safety switch and communication protocol
#487Perforating gun and method of using same
#488Positioning device for shaped charges in a perforating gun module
#489Conductive detonating cord for perforating gun
#490Multi-level networked ordnance system
#491Constant entrance hole perforating gun system and method
#492Multi-level networked ordnance system
#493System and method of increasing reliability in high pressure switches
#494Select fire switch form factor system and method
#495Wellbore gun perforating system and method