Patent International Class: E21B 43/0
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Drive head assembly for a fluid conveyor system
Inventor: Crafton | Patent Number: 8146732
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Separation device
Inventor: Biester | Patent Number: 8141718
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Device and method for gas lock detection in an electrical submersible pump assembly
Inventor: Allen, et al. | Patent Number: 8141646
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Gas boost circulation system
Inventor: Reid | Patent Number: 8141625
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Methods for producing oil and/or gas
Inventor: Hsu, et al. | Patent Number: 8136592
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Systems and methods for producing oil and/or gas
Inventor: Hsu | Patent Number: 8136590
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Method and system for surface filtering of solids from return fluids in well operations
Inventor: Droke | Patent Number: 8127867
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Artificial lift system for stripper and marginal wells
Inventor: Alvarado Vargas | Patent Number: 8127855
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Solidification of residuals from water treatment systems in heavy oil recovery operations
Inventor: Solomon, et al. | Patent Number: 8127843
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Integrated cable hanger pick-up system
Inventor: Dowling, et al. | Patent Number: 8127835
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Surfactants for tertiary mineral oil extraction based on branched alcohols
Inventor: Bittner, et al. | Patent Number: 8124658
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Downhole draw-down pump and method
Inventor: Williams | Patent Number: 8118103
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Down hole delivery system
Inventor: Morrow | Patent Number: 8118089
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Power cable for high temperature environments
Inventor: Manke, et al. | Patent Number: 8113273
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Mechanical seal and lock for tubing conveyed pump system
Inventor: Olson, et al. | Patent Number: 8104534
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Continuous fluid circulation valve for well drilling
Inventor: Braddick | Patent Number: 8100199
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Reinforced polymeric siphon tubes
Inventor: Mestemacher, et al. | Patent Number: 8100183
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Device for removing liquids from the well-bore of a gas producing well
Inventor: Minescu, et al. | Patent Number: 8100176
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Methods useful for controlling fluid loss in subterranean formations
Inventor: Dusterhoft, et al. | Patent Number: 8091638
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Method for a short-term well operation by means of an electrically-powered submersible pumping unit (Kuzmichev method)
Inventor: Kuzmichev | Patent Number: 8087457
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Methods of producing transportation fuel
Inventor: Nair, et al. | Patent Number: 8083813
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Plug in pump for inverted shroud assembly
Inventor: Brown, et al. | Patent Number: 8079418
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Method and apparatus for sensing a borehole characteristic
Inventor: Thompson, et al. | Patent Number: 8077053
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Systems and methods for improved positioning of pads
Inventor: Schottle, et al. | Patent Number: 8073664
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Hydraulic actuated pump system
Inventor: Groves | Patent Number: 8069914
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Computer system and method for modeling fluid depletion
Inventor: Horowitz, et al. | Patent Number: 8069018
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Reciprocated pump system for use in oil wells
Inventor: Brown | Patent Number: 8066496
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Electrical submersible pump and gas compressor
Inventor: Lawson | Patent Number: 8066077
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Sealant compositions comprising colloidally stabilized latex and methods of using the same
Inventor: Reddy, et al. | Patent Number: 8062999
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Low cost rigless intervention and production system
Inventor: Tubel | Patent Number: 8056620
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Armored flat cable signalling and instrument power acquisition
Inventor: Layton | Patent Number: 8051912
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Ring rack oil pumping machine
Inventor: Gu, et al. | Patent Number: 8047821
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Dual flapper safety valve
Inventor: Vick, Jr., et al. | Patent Number: 8047294
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Parallel heater system for subsurface formations
Inventor: Harris, et al. | Patent Number: 8042610
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Selective completion system for downhole control and data acquisition
Inventor: Jardim De Azevedo, et al. | Patent Number: 8037938
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Treating liquids in oil extraction
Inventor: Stefanini | Patent Number: 8033334
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Downhole electric power generator
Inventor: Hall, et al. | Patent Number: 8033328
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Methods and compositions relating to the hydrolysis of water-hydrolysable materials
Inventor: Todd, et al. | Patent Number: 8030251
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System, method and apparatus for controlling the flow rate of an electrical submersible pump based on fluid density
Inventor: Shaw, et al. | Patent Number: 8028753
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Submersible pumping system
Inventor: Ocalan, et al. | Patent Number: 8020624
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Wellbore method and apparatus for completion, production and injection
Inventor: Yeh, et al. | Patent Number: 8011437
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Apparatus and method for inflow control
Inventor: Langlais, et al. | Patent Number: 8011432
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Transport assembly
Inventor: McNay | Patent Number: 8011429
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Ortho ester breakers for viscoelastic surfactant gels and associated methods
Inventor: Welton | Patent Number: 8008236
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Gas assisted downhole pump
Inventor: Mazzanti | Patent Number: 8006756
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Iron control agent
Inventor: Vinson, et al. | Patent Number: 8003581
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Method for remediating flow-restricting hydrate deposits in production systems
Inventor: Ballard, et al. | Patent Number: 8003573
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Systems and methods for underground storage of biogas
Inventor: Leone, et al. | Patent Number: 8002498
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In-line flow separation of fluids in a pipe separator
Inventor: Berard, et al. | Patent Number: 8002121
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Actuatable subsurface safety valve and method
Inventor: Going, III | Patent Number: 8002042
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Apparatus and method for raising a fluid in a well
Inventor: Mayfield, et al. | Patent Number: 8002029
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Linear actuator using magnetostrictive power element
Inventor: Dorel | Patent Number: 7999422
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Dynamic scale removal tool and method of removing scale using the tool
Inventor: Erkol, et al. | Patent Number: 7997343
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Foamed fluid additive for underbalance drilling
Inventor: Zamora, et al. | Patent Number: 7992653
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Electrical submersible pump with equally loaded thrust bearings and method of pumping subterranean fluid
Inventor: Parmeter, et al. | Patent Number: 7987913
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Well treatment using a progressive cavity pump
Inventor: Colley, III | Patent Number: 7987908
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Use of surfactant mixtures for tertiary mineral oil extraction
Inventor: Steinbrenner, et al. | Patent Number: 7985718
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System, method and apparatus for gas extraction device for down hole oilfield applications
Inventor: Brown, et al. | Patent Number: 7984766
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Overpressure protection in gas well dewatering systems
Inventor: Dowling, et al. | Patent Number: 7984756
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Formation isolation valve
Inventor: Swenson, et al. | Patent Number: 7980316
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Non-estrogenic alkylphenol derivatives
Inventor: Berger, et al. | Patent Number: 7977284
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Methods for minimizing the amount of graphite particles used during drilling operations
Inventor: Halliday, et al. | Patent Number: 7977281
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Electric submersible pumps
Inventor: Yuratich, et al. | Patent Number: 7971650
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Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations
Inventor: Zupanick | Patent Number: 7971649
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Flow control system utilizing an isolation device positioned uphole of a liquid removal device
Inventor: Zupanick | Patent Number: 7971648
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Apparatus and method for raising a fluid in a well
Inventor: Mayfield, et al. | Patent Number: 7971647
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Methods to treat produced water
Inventor: Bader | Patent Number: 7963338
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Controlling the pressure within an annular volume of a wellbore
Inventor: Hermes, et al. | Patent Number: 7963333
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Recovery and recycling of chemicals in chemical flooding process
Inventor: Shahin, et al. | Patent Number: 7963329
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Composition and method for producing a pumpable hydrocarbon hydrate slurry at high water-cut
Inventor: Talley | Patent Number: 7958939
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Gas trap for sampling fluid from a well
Inventor: Selman, et al. | Patent Number: 7957903
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System and method for thru tubing deepening of gas lift
Inventor: Bolding | Patent Number: 7954551
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Tubing pressure insensitive control system
Inventor: Anderson | Patent Number: 7954550
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Subterranean screen with varying resistance to flow
Inventor: Kim, et al. | Patent Number: 7954546
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Plunger lift system for well
Inventor: Hearn, et al. | Patent Number: 7954545
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System for dewatering boreholes by means of alternative cycles of vacuum and exhaust, based on the principle of pneumatic displacement
Inventor: Lopez Rodriguez | Patent Number: 7950465
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Controlling the pressure within an annular volume of a wellbore
Inventor: Hermes, et al. | Patent Number: 7950460
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Fluid loss control agent with triggerable removal mechanism
Inventor: Hoefer, et al. | Patent Number: 7947627
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Inverted drainholes and the method for producing from inverted drainholes
Inventor: Oglesby | Patent Number: 7934563
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Apparatus and methods to control fluid flow in a downhole tool
Inventor: Milkovisch, et al. | Patent Number: 7934547
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Heating systems for heating subsurface formations
Inventor: Nguyen, et al. | Patent Number: 7931086
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Method of reducing the viscosity of hydrocarbon fluids
Inventor: Nguyen | Patent Number: 7923416
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Rheology modifier comprising a tetrakis(hydroxyalkyl) phosphonium salt for polymer fluids
Inventor: Lin, et al. | Patent Number: 7923414
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Formation saver sub and method
Inventor: Darnell, et al. | Patent Number: 7921922
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Zone isolation assembly array and method for isolating a plurality of fluid zones in a subsurface well
Inventor: Heller, et al. | Patent Number: 7918282
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Drilling fluid flow diverter
Inventor: Sherrill, et al. | Patent Number: 7913772
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Downhole pumps with sand snare
Inventor: Williams | Patent Number: 7909589
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System, method and apparatus for scale resistant radial bearing for downhole rotating tool components and assemblies
Inventor: Reid | Patent Number: 7909090
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Downhole jet pump
Inventor: Jackson | Patent Number: 7909089
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Biocide for well stimulation and treatment fluids
Inventor: Starkey, II, et al. | Patent Number: 7906463
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Water-in-oil emulsions with hydrogel droplets background
Inventor: Zhang, et al. | Patent Number: 7902128
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Apparatus and method for selectively controlling fluid downhole in conjunction with a progressive cavity pump (PCP)
Inventor: Shotter, et al. | Patent Number: 7900707
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Method and apparatus for in-situ radiofrequency heating
Inventor: Kasevich | Patent Number: 7891421
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Apparatus for radially expanding and plastically deforming a tubular member
Inventor: Butterfield, Jr., et al. | Patent Number: 7886831
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Composition that can form a gel comprising a copolymer, and useful copolymers
Inventor: Bendejacq, et al. | Patent Number: 7884056
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Cyclonic, debris removing valve and method
Inventor: Ford | Patent Number: 7878767
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Multiple stage tool for use with plunger lift
Inventor: Giacomino, et al. | Patent Number: 7878251
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System and method for automating or metering fluid recovered at a well
Inventor: Sheldon | Patent Number: 7878250
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Insertable progressive cavity pump systems and methods of pumping a fluid with same
Inventor: Blaquiere | Patent Number: 7874368
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Low clearance downhole pump
Inventor: Simmons | Patent Number: 7874367