135618 ⎘
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Methods or apparatus for controlling the flow of the obtained fluid to or in wells; Lifting well fluids Gas lift
APPARATUS FOR A PIPE STRING OF A GEOLOGICAL DRILL HOLE, PIPE STRING, METHOD FOR OPERATING A GEOLOGICAL DRILLING GEAR AND METHOD FOR PRODUCING A PIPE STRING FOR A GEOLOGICAL DRILL HOLE
#302System and method for producing hydrocarbons from a well
#303System and method for production of reservoir fluids
#304Methods, systems and apparatus for coiled tubing testing
#305System and methods for removing fluids from a subterranean well
#306Gas flow system
#307System and method for optimizing production in gas-lift wells
#308MID WATER GAS LIFT
#309Method and Apparatus for Dewatering Using Methane
#310Assembly for use in a Christmas tree
#311Bypass gaslift system, apparatus, and method for producing a multiple zones well
#312Method and apparatus for injecting fluid in a wellbore
#313Apparatus, assembly and process for injecting fluid into a subterranean well
#314Method for recovering oil from an oil well
#315METHOD FOR USING ACID GAS AS LIFT-GAS AND TO ENHANCE OIL RECOVERY FROM A SUBSURFACE FORMATION
#316Systems and methods for deliquifying a commingled well using natural well pressure
#317Method for controlling a hydrocarbons production installation
#318Gas-Driven Pumping Device and a Method for Downhole Pumping of a Liquid in a Well
#319Methods and apparatus for enhancing venturi suction in eductor mixers
#320Total in place hydrocarbon recovery by isolated liquid and gas production through expanded volumetric wellbore exposure +
#321System and method for producing a well using a gas
#322Gas lift well surveillance
#323Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation
#324System and method for producing a well using a gas
#325FLYING VALVE FOR FREE PISTON
#326Low rate gas injection system
#327Gas flow system
#328Methods and systems for performing oilfield production operations
#329Down-hole liquid level control for hydrocarbon wells
#330Bypass gas lift system for producing a well
#331Method and cooling system for electric submersible pumps/motors for use in geothermal wells
#332Smart compressed chamber well optimization system
#333System and method for thru tubing deepening of gas lift
#334Gas lift system
#335Oilfield emulator
#336Apparatus, assembly and process for injecting fluid into a subterranean well
#337Single trip tubing punch and setting tool
#338Monitoring of downhole parameters and tools utilizing fiber optics
#339Subsea hydraulic and pneumatic power
#340Submersible pump with surfactant injection
#341Gas assisted downhole pump
#342Controlled variable density fluid for wellbore operations
#343Gas lift apparatus for flushing and snubbing well
#344Bypass gas lift system and method for producing a well
#345Recovery of hydrocarbons
#346ACCUMULATION AND RECYCLING OF CAPTURED GAS IN RECOVERY OF SUBTERRANEAN FLUIDS
#347Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation
#348Controlled gas-lift heat exchange compressor
#349Non-aqueous foam composition for gas lift injection and methods for making and using same
#350Method to Optimize Production from a Gas-lifted Oil Well
#351CHEMICALLY ENHANCED GAS-LIFT FOR OIL AND GAS WELLS
#352Ported velocity tube for gas lift operations
#353Hydrocarbon production system and method of use
#354Gas well de-watering apparatus and method
#355Method for optimal lift gas allocation
#356Method for performing oilfield production operations
#357Method and apparatus for treatment of wastewater employing membrane bioreactors
#358Wireline slip hanging bypass assembly and method
#359System and method for optimization of gas lift rates on multiple wells
#360System and method for multivariable control in three-phase separation oil and gas production
#361Method for recovering oil from a gas-lifted oil well penetrating a subterranean oil-bearing formation
#362Gas lift chamber purge and vent valve and pump systems
#363Artificial lift with additional gas assist
#364Drilling system and method
#365Well production by fluid lifting
#366Gas lift flow surveillance device
#367Process for foaming a wet hydrocarbon composition
#368Bubble breaker assembly
#369Methods, systems and apparatus for coiled tubing testing
#370Hydrogeneration as an end product of a closed loop gaslift process employing LNG
#371Mono-trip cement thru completion
#372Hydrocarbon production system and method of use
#373Enhanced liquid hydrocarbon recovery by miscible gas injection water drive
#374Subsurface electrical heaters using nitride insulation
#375Sekhars Correlation between Oil Production Rate and Gas-Lift Rate
#376Wellbores utilizing fiber optic-based sensors and operating devices
#377Model HCCV hydrostatic closed circulation valve
#378Artificial lift with additional gas assist
#379Drilling system and method
#380Well production optimizing system
#381One-way valve for a side pocket mandrel of a gas lift system
#382Method and system for cleaning a well bore
#383Device for heating and thermally insulating at least one undersea pipeline
#384Control systems and methods for active controlled bottomhole pressure systems
#385Ported velocity tube for gas lift operations
#386Gas lift using a gas/oil mixer
#387Gas lift apparatus and method for producing a well
#388System for neutralizing the formation of slugs in a riser
#389Temperature limited heaters with relatively constant current
#390Method and system for producing inert gas from combustion by-products
#391Controlled variable density fluid for wellbore operations
#392Temperature limited heaters with high power factors
#393Inhibiting reflux in a heated well of an in situ conversion system
#394Triaxial temperature limited heater
#395Variable frequency temperature limited heaters
#396Vacuum pumping of conductor-in-conduit heaters
#397Reducing viscosity of oil for production from a hydrocarbon containing formation
#398Temperature limited heaters with thermally conductive fluid used to heat subsurface formations
#399Temperature limited heaters using modulated DC power
#400Inhibiting effects of sloughing in wellbores
#401Start-up of temperature limited heaters using direct current (DC)
#402ESP/gas lift back-up
#403System and method for optimizing production in an artificially lifted well
#404Apparatus for enhancing venturi suction in eductor mixers
#405Annulus plugging detection using a pressure transmitter in gas-lift oil production
#406Gas lift apparatus for a well
#407Control systems and methods for active controlled bottomhole pressure systems
#408Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive
#409System and method for injecting gas into a hydrocarbon reservoir
#410Artificial lift with additional gas assist
#411Heat exchange compressor
#412Method and apparatus for treatment of wastewater employing membrane bioreactors
#413Providing a light cell in a wellbore
#414Devices, systems, and methods for estimating flow rates in a plunger lift system
#415Fiber optic monitoring in chemical injection and gas lift systems
#416System for capturing and deploying natural gas from wellhead of oil and gas wells
#417Nitrogen lift in wells
#418Double barrier gas lift flow control device
#419Environmentally friendly, reliable, scalable, and efficient micro-turbine electric generator system
#420Life-of-well gas lift systems for producing a well and gas pump systems having pump control valves with belleville washers
#421Environmentally friendly, reliable, scalable, and efficient micro-turbine electric generator system
#422Gas lift compressor system and method for supplying compressed gas to multiple wells
#423Sealing plunger lift system and tubing connector
#424System and method to reduce wellbore annular fluid volumes
#425Systems and methods for analyzing resource production