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)
11/2006
11/30/2006	US20060266517 Method for drilling with improved fluid collection pattern
11/30/2006	US20060266513 Downhole ram pump
11/30/2006	CA2609227A1 Apparatus and method for driving casing or conductor pipe
11/30/2006	CA2604355A1 A device for selective movement of well tools and also a method of using same
11/29/2006	EP1726775A1 System and method for fluid control in expandable tubing
11/29/2006	EP1726187A2 Extracting and processing hydrocarbon-bearing formations
11/29/2006	EP1725616A2 Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery
11/29/2006	EP1266123B1 Subsea production system
11/29/2006	CN2842010Y Self-locking drop-proof oil-well pump
11/29/2006	CN2841961Y Injection-gathering well head low-pressure sampler
11/29/2006	CN2841959Y Test pressure-guiding sand blower
11/29/2006	CN2841957Y Liquid flow heating well head sand-removing device
11/29/2006	CN2841956Y High temperature foamagent injection apparatus
11/29/2006	CN2841955Y Oil field combined driving integrated injection apparatus
11/29/2006	CN2841954Y 内盲孔射孔枪 Within the blind hole perforating guns
11/29/2006	CN2841953Y Negative pressure perforating lower pump linkage oil pumping unit detonating tubular column
11/29/2006	CN2841951Y Flow-limiting water-mixing valve
11/29/2006	CN2841950Y Oil well water injection regulating valve
11/29/2006	CN2841944Y Separated layer water injection well expanding packer setting head
11/29/2006	CN1869447A Combined plunger oil-well pump
11/29/2006	CN1869398A Fracture method for horizontal well
11/29/2006	CN1869397A Oil-submersible magnetic suspension two-way plunger electric pump oil production method
11/29/2006	CN1869396A Multifunction pressure releasing regulator for water injection well
11/29/2006	CN1287088C Electromagnetic pumping unit
11/29/2006	CN1287066C Technique of feeding flow in static pressure by injection pump of viscoelastic fluid
11/29/2006	CN1287065C Seashore and seabed connecting apparatus for laying underwater pipelines in great depth
11/28/2006	US7140446 Connector for expandable well screen
11/28/2006	US7140444 Downhole cutting tool and method
11/28/2006	US7140441 Fluid separation method and system
11/28/2006	US7140438 Orthoester compositions and methods of use in subterranean applications
11/28/2006	US7140437 Apparatus and method for monitoring a treatment process in a production interval
11/28/2006	US7140434 Sensor system
11/28/2006	US7140433 oligomers and/or polymers formed by reacting a diamine and a primary amine-aldehyde reaction product, where the reaction product comprises substantially biomolecular adducts of primary amines aldehydes
11/28/2006	US7140431 Centraliser for an expandable tubular element in a wellbore
11/28/2006	US7140430 Expander for expanding a tubular element
11/28/2006	US7140429 Device for cutting of slot-like key seats in wells by a hydroabrasive method
11/28/2006	US7140428 Expander for expanding a tubular element
11/28/2006	CA2481696C Method and apparatus to reduce the width of a slot or opening in a pipe, tube or other object
11/28/2006	CA2427034C Expanding wellbore junction
11/28/2006	CA2420979C Method and apparatus for cementing wells
11/28/2006	CA2336905C Downhole tension swivel sub
11/28/2006	CA2321434C Liner hanger
11/28/2006	CA2226928C Multiple zone well completion method and apparatus
11/27/2006	CA2509268A1 Method of collecting hydrocarbons from tunnels
11/23/2006	WO2006124534A2 Universal tubing hanger suspension assembly and well completion system and method of installing same
11/23/2006	WO2006124028A1 Method of drilling a stable borehole
11/23/2006	WO2006123100A2 Methods to increase recovery of treatment fluid following stimulation of a subterranean formation
11/23/2006	WO2006108091A3 Well bore fluid redistribution and fluid disposal
11/23/2006	WO2006091784A3 Multple port cross-over design for frac pack erosion mititgation
11/23/2006	US20060264332 Methods of using reactive surfactants in subterranean operations
11/23/2006	US20060260815 Method of recycling fracturing fluids using a self-degrading foaming composition
11/23/2006	US20060260814 Reducing the energy requirements for the production of heavy oil
11/23/2006	US20060260813 introducing a mixture of fluids and surfactants into subterranean formation, to consolidate proppant particles; surface treatment
11/23/2006	US20060260811 Lightweight composite particulates and methods of using such particulates in subterranean applications
11/23/2006	US20060260810 Methods of modifying fracture faces and other surfaces in subterranean formations
11/23/2006	US20060260809 Method and apparatus for replacing drive pipe
11/23/2006	US20060260808 introducing a mixture of fluids and surfactants into subterranean formation, to consolidate proppant particles; surface treatment
11/23/2006	US20060260807 Fluid-flow system, device and method
11/23/2006	US20060260804 Surface activated downhole spark-gap tool
11/23/2006	US20060260802 Expansion device for expanding a pipe
11/23/2006	US20060260799 Universal tubing hanger suspension assembly and well completion system and method of using same
11/23/2006	US20060260798 Wired Tool String Component
11/23/2006	US20060260796 One trip flow tube exercising tool
11/23/2006	US20060260795 Stop-sand liner hanger assembly for water wells
11/23/2006	CA2621655A1 Method of drilling a stable borehole
11/22/2006	EP1350003B1 Method of drilling and operating a subsea well
11/22/2006	CN2839645Y Oil well increasing production power-saving counter current control valve
11/22/2006	CN2839642Y Shake out oil well electric pump protector
11/22/2006	CN1867753A Method for delivering a multi-phase mixture and pump installation
11/22/2006	CN1867752A Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system
11/22/2006	CN1865704A Electric submersible leading-screw plunger oil well pump
11/22/2006	CN1865703A Pumping system of leading-screw plunger pump
11/22/2006	CN1865655A Energy-saving rope-pulling type pumping unit
11/22/2006	CN1285835C Blade type oil, gas and water multiphase booster pump
11/22/2006	CN1285827C Microbe trielement compound oil-displacement method and microbe trielement compound oil-displacement agent
11/22/2006	CN1285701C Oil well acidizing fluid containing organic phosphono and sulfonic acid
11/22/2006	CN1285700C Method for preparing residue free fracturing fluid
11/21/2006	US7137454 Apparatus for facilitating the connection of tubulars using a top drive
11/21/2006	US7137447 Treating a hydrocarbon-containing formation with a mixture of aliphatic anionic surfactant and a branched aliphatic nonionic additive to reduce interfacial surface tension between fluids (e.g., water, hydrocarbons) to allow interaction with different hydrocarbons to form an emulsion
11/21/2006	CA2428056C Method of downhole cyclone oil/water separation and apparatus for the same
11/21/2006	CA2390706C Reservoir management system and method
11/21/2006	CA2345305C Acidic surfactant composition and method for cleaning wellbore and flowline surfaces using the surfactant composition
11/21/2006	CA2285476C Using equipment in a well system
11/21/2006	CA2280560C Tapered flow gas separation system
11/21/2006	CA2249128C Fluid injection tubing assembly and method
11/16/2006	WO2006121341A1 Method and device for filtering in a well.
11/16/2006	WO2006120537A2 A method and a system for enhanced flow line control
11/16/2006	WO2006120466A2 Apparatus for controlling a downhole device
11/16/2006	WO2006120399A2 Secondary oil recovery
11/16/2006	WO2006120257A1 Method for the treatment of the obstructed zones of the parent rock of hydrocarbon-producing strata adjacent to a gas and oil well drilling zone in order to increase productivity
11/16/2006	WO2004025069A3 System and method of drilling and completion
11/16/2006	US20060258543 Treating subterranean formations such as well bores with biodegradable polymeric surfactants with are block polymers e.g. polyethylene glycol-polylactic acid copolymer; degradable surfactant is not a phosphate ester, and has a HLB value to form an emulsion; environmental regulations
11/16/2006	US20060258541 Fracturing subterranean oil well using a gell which includes a microemulsion of viscosity reducing agent of unsaturated fatty acid, solubilizer, desorber and water wetting agent; improved clean-up, increased rate and/ or amount of surfactant returning, reduced plating out, keeping minerals wet (more)
11/16/2006	US20060254826 Drilling method
11/16/2006	US20060254778 Method and system for tubing a borehole in single diameter
11/16/2006	US20060254777 Vapor recovery system
11/16/2006	US20060254775 Variable density treatment fluids
11/16/2006	US20060254774 Generating an acid downhole using a biodegradable polymeric surfactant; acid degrades components such as calcium carbonate; biodegradable polymer
11/16/2006	US20060254773 Coiled tubing cutter
11/16/2006	US20060254769 Systems and methods for producing oil and/or gas

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