Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186)
10/2007
10/24/2007CN101058723A Re-use agent for polymer after driving and injecting method thereof
10/24/2007CN100344855C Fire flooding process for thick oil extraction
10/24/2007CN100344854C Chemical multi-component preparation and injection method and multi-component static mixing device
10/24/2007CN100344570C Extended particle size distribution ceramic fracturing proppant
10/23/2007US7285212 Method and apparatus for treatment of wastewater employing membrane bioreactors
10/23/2007US7284931 Magma evacuation systems for the prevention of explosions from supervolcanoes
10/23/2007US7284623 Method of drilling a bore hole
10/23/2007US7284614 Wellbore system for simultaneous drilling and production
10/23/2007US7284613 Method and apparatus for assembling stackable gun system inside a well bore
10/23/2007US7284612 Controlling transient pressure conditions in a wellbore
10/23/2007US7284607 System and technique for orienting and positioning a lateral string in a multilateral system
10/23/2007US7284604 Methods for measurement of a dimensional characteristic and methods of predictive modeling related thereto
10/23/2007US7284603 Expandable completion system and method
10/23/2007US7284601 Casing conveyed well perforating apparatus and method
10/23/2007US7284489 Casing conveyed well perforating apparatus and method
10/23/2007CA2493380C A subterranean drainage pattern and a method for drilling ramped wellbores
10/23/2007CA2287843C Method and apparatus for lateral well drilling utilizing a rotating nozzle
10/23/2007CA2271620C Downhole magnetic debris collector
10/23/2007CA2262911C Method and apparatus for the downhole metering and control of fluids produced from wells
10/23/2007CA2261415C Method and apparatus for extracting oil
10/23/2007CA2191473C Top entry apparatus and method for a drilling assembly
10/21/2007CA2582128A1 Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well
10/19/2007CA2568434A1 Plunger lift apparatus
10/18/2007WO2007118170A1 Subsea flowline jumper containing esp
10/18/2007WO2007118094A2 Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material
10/18/2007WO2007117974A1 A system and method for processing a mixture of hydrocarbon and co2 gas produced from a hydrocarbon reservoir
10/18/2007WO2007117940A2 Gas lift chamber purge and vent valve and pump systems
10/18/2007WO2007117933A2 Apparatus, methods, and systems for extracting petroleum and natural gas
10/18/2007WO2007117865A2 Enhanced hydrocarbon recovery by in situ combustion of oil sand formations
10/18/2007WO2007117846A2 Method and apparatus for sensing a borehole characteristic
10/18/2007WO2007117810A2 Enhanced hydrocarbon recovery by steam injection of oil sand formations
10/18/2007WO2007117787A2 Enhanced hydrocarbon recovery by convective heating of oil sand formations
10/18/2007WO2007117167A1 Procedure and apparatus for hydrocarbon gases extraction from under ground hydrates
10/18/2007WO2007116264A1 System and method for remotely controlling down-hole operations
10/18/2007WO2007116008A1 Method for optimising the production of a cluster of wells
10/18/2007WO2007097975A3 Sandstone having a modified wettability and a method for modifying the surface energy of sandstone
10/18/2007WO2006081095A3 Hydraulically driven gas recovery device and method of use
10/18/2007US20070244013 wax particles selected from natural and synthetic wax particles and a mixture, each of wax particles having speacific particle size, insoluble in hydrocarbons at temperature below melting point, as a primary seepage loss agent
10/18/2007US20070240881 Integrated Sand Control Completion System and Method
10/18/2007US20070240880 Sub-Surface Coalbed Methane Well Enhancement Through Rapid Oxidation
10/18/2007US20070240873 Surge chamber assembly and method for perforating in dynamic underbalanced conditions
10/18/2007CA2848598A1 Enhanced hydrocarbon recovery by steam injection of oil sand formations
10/18/2007CA2648752A1 Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material
10/18/2007CA2648017A1 Enhanced hydrocarbon recovery by steam injection of oil sand formations
10/18/2007CA2648014A1 Enhanced hydrocarbon recovery by convective heating of oil sand formations
10/18/2007CA2646323A1 Enhanced hydrocarbon recovery by in situ combustion of oil sand formations
10/18/2007CA2645902A1 Method for optimising the production of a cluster of wells
10/17/2007EP1845233A1 Sub-surface coalbed methane well enhancement through rapid oxidation
10/17/2007EP1844212A1 Use of aqueous dispersions for tertiary petroleum production
10/17/2007EP1436469B1 Device and method for creating at least one reaction zone in an aquifer
10/17/2007CN200961574Y Outer rotor permanent magnet synchronous motor driven crown sheave type pumping unit transmission structure
10/17/2007CN200961478Y Optical fiber test cable of horizontal well for petroleum and thermal exploitation
10/17/2007CN200961477Y Anti-blowby eccentric water distributor for checking seal , adjusting and measuring
10/17/2007CN200961475Y Large sand volume seating pressure three-layer fracturing string
10/17/2007CN200961474Y Electric and random adjustment plugging-determining linked operation pipe string of high water-containing oil well
10/17/2007CN200961473Y Oil well prefilled slotted screen
10/17/2007CN200961472Y Trapezia widely-used multi-layer precision-variable sand-proof sieve tube
10/17/2007CN200961471Y Automatic intermittent oil pumping device
10/17/2007CN200961470Y DC power device for oil extraction
10/17/2007CN200961466Y Skid-mounted polymer injection high pressure distribution valve set
10/17/2007CN101057059A Method for installing horizon catheter used for aborsbing sea water
10/17/2007CN101057058A Electroacoustic method and device for stimulation of mass transfer process for enhanced well recovery
10/17/2007CN101054968A 液力抽油泵 Hydraulic pump
10/17/2007CN101054895A Sand blower release-controllable multiple-layer laminated fracture string device and controllable release method
10/17/2007CN100343535C Method for operating a well jet device during ultrasonic cleaning of the downhole area of a productive formation and device for carrying out said method
10/17/2007CN100343515C Horizontal oil-well pump
10/17/2007CN100343514C Contracting and expanding plunger type oil pump of self-revolving integral drum
10/17/2007CN100343482C System for performing operations and for improving production in wells
10/17/2007CN100343480C Separate layer gas injection tube pile
10/17/2007CN100343478C High-temperature high-pressure combustion system of sub-critical composite heat carrier generator
10/17/2007CN100343476C Method for removing gravel pack screens
10/17/2007CN100343473C Radially expandable tubular with supported end portion
10/17/2007CA2549784A1 Hydrocarbon recovery from subterranean formations
10/16/2007US7283941 Computer system and method for modeling fluid depletion
10/16/2007US7281590 Environmentally friendly method for generating energy from natural gas
10/16/2007US7281583 Self-dissolving lost circulation treatment for producing formations
10/16/2007US7281581 Methods of hydraulic fracturing and of propping fractures in subterranean formations
10/16/2007US7281580 Fracturing a portion of a subterranean formation to form a propped fracture; slurrying fracturing fluid and high density plastic particles coated with adhesive
10/16/2007US7281579 Method for terminating or reducing water flow in a subterranean formation
10/16/2007US7281577 Downhole measurement system and method
10/16/2007US7281422 Method for borehole conductivity profiling
10/16/2007CA2444657C Apparatus and methods for conveying instrumentation within a borehole using continuous sucker rod
10/16/2007CA2255354C Viscoelastic surfactant based gelling composition for wellbore service fluids
10/16/2007CA2192998C Free-flowing borehole servicing preparations containing linear alpha-olefins, more particularly corresponding drilling fluids
10/16/2007CA2182854C Fracturing fluid treatment design to optimize fluid rheology and proppant pack conductivity
10/15/2007CA2550057A1 Improved production plunger
10/14/2007CA2582212A1 Integrated sand control completion system and method
10/13/2007CA2545505A1 Petroleum extraction from hydrocarbon formations
10/11/2007WO2007114775A2 Method and device for producing a gaseous medium comprising steam
10/11/2007WO2007113528A1 Method and apparatus for providing pressure for well treatment operation
10/11/2007WO2007112811A1 Method and apparatus to cement a perforated casing
10/11/2007WO2007112810A1 Method and apparatus for selective treatment of a perforated casing
10/11/2007WO2007022122A3 Biogenic methane production enhancement systems
10/11/2007US20070238624 Surfactants; cationic methylpolyoxyethylene octadecanammonium chloride; anionic polynaphthalenesulfonate anionic; zwitterionic or amphoteric betaines; water; gravel packing; low concentration of VES fluid is cost effective; high temperature; high tolerance to organic/inorganic salts and clay stabilizers
10/11/2007US20070238623 Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
10/11/2007US20070238622 Self-Cleaning Well Control Fluid
10/11/2007US20070238621 Settable drilling fluids comprising cement kiln dust
10/11/2007US20070235197 Gas Lift Chamber Purge and Vent valve and Pump Systems
10/11/2007US20070235196 Floating shaft gas separator
10/11/2007US20070235190 Providing a viscosified treatment fluid comprising a single salt aqueous fluid, contacting the portion of the subterranean formation with a viscosified treatment fluid to create or enhance one or more fractures therein, wherein viscosified treatment fluid is introduced into a well bore that penetrates
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