| 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) |
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| 05/24/2006 | CN2782986Y Hydraulic oil pump |
| 05/24/2006 | CN2782985Y Liquid column load trasferring |
| 05/24/2006 | CN2782929Y Pressure regulator |
| 05/24/2006 | CN2782928Y Multi-function continuous chemicals feeder for oil production |
| 05/24/2006 | CN2782927Y Travelling long stroke oil pumping unit |
| 05/24/2006 | CN2782926Y Top-driving synchronous oil pumping unit |
| 05/24/2006 | CN2782925Y Ground gathering conveying system for petroleum production |
| 05/24/2006 | CN2782922Y Sand settling blocking-proof counter flooding valve |
| 05/24/2006 | CN1777735A Method and composition for enhanced hydrocarbons recovery |
| 05/24/2006 | CN1777734A Expanded liner system and method |
| 05/24/2006 | CN1776196A Method and system for accessing subterranean deposits from the surface |
| 05/24/2006 | CN1776192A Well pattern arrangement method for underground decomposing and extracting natural gas hydrate |
| 05/24/2006 | CN1776191A Under water heat-injection natural-gas aqua-compound exploration apparatus |
| 05/24/2006 | CN1776190A Sand-proof tube for oilfield |
| 05/24/2006 | CN1776189A Sand-proof screen tube |
| 05/24/2006 | CN1776188A Counterbalance safety protection device for beam-balanced pump and its use method |
| 05/24/2006 | CN1776187A Spiral-driving oil-pumping unit |
| 05/23/2006 | US7048865 removal of sand, or rock or other particulate matter from a flow stream at high pressure, before the flow stream reaches manifolds or other production or drilling equipment with moving parts; sand knock out system |
| 05/23/2006 | US7048067 Wellbore casing repair |
| 05/23/2006 | US7048065 Method and apparatus for expandable liner hanger with bypass |
| 05/23/2006 | US7048063 Profiled recess for instrumented expandable components |
| 05/23/2006 | US7048062 Method of selecting tubular members |
| 05/23/2006 | US7048061 Screen assembly with flow through connectors |
| 05/23/2006 | US7048060 Subsea system for processing fluid |
| 05/23/2006 | US7048059 Annulus pressure control system for subsea wells |
| 05/23/2006 | US7048058 Subsea system for separating multiphase fluid |
| 05/23/2006 | US7048057 Protection scheme and method for deployment of artificial lift devices in a wellbore |
| 05/23/2006 | US7048052 Apparatus comprising expandable bistable tubulars and methods for their use in wellbores |
| 05/23/2006 | US7048051 Recovery of products from oil shale |
| 05/23/2006 | US7048050 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 05/23/2006 | US7048049 Slant entry well system and method |
| 05/23/2006 | US7048048 Expandable sand control screen and method for use of same |
| 05/23/2006 | US7048046 High temperature mechanical seal |
| 05/23/2006 | US7048045 Gas lift apparatus for a well |
| 05/23/2006 | CA2388070C Gas separator improvements |
| 05/23/2006 | CA2354789C Fracturing method using aqueous or acid based fluids |
| 05/23/2006 | CA2232776C The use of breaker chemicals in gelled hydrocarbons |
| 05/22/2006 | CA2491273A1 System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber |
| 05/18/2006 | WO2006052333A1 System and method for thermal change compensation in an annular isolator |
| 05/18/2006 | WO2006051282A1 Method of cementing expandable well tubing |
| 05/18/2006 | WO2006050786A1 In-line flow separation of fluids in a pipe separator |
| 05/18/2006 | WO2004097159A3 Thermal processes for subsurface formations |
| 05/18/2006 | US20060105919 Amphoteric surfactant, zwitterionic surfactant, anionic surfactant, nonionic surfactant, and/or cationic surfactant and as an enhanced shear recovery agent an ethylene glycol, monoethyl (or monomethyl) ether acrylate derived copolymer or a sugar derived surfactant |
| 05/18/2006 | US20060102625 In situ processing of hydrocarbon-bearing formations with variable frequency dielectric heating |
| 05/18/2006 | US20060102559 Device for separating multi-phase fluids |
| 05/18/2006 | US20060102358 Fluid system component with sacrificial element |
| 05/18/2006 | US20060102355 Automatic chemical treatment system with integral flush fluid dispenser |
| 05/18/2006 | US20060102353 Thermal component temperature management system and method |
| 05/18/2006 | US20060102352 Debris reduction perforating apparatus and method for use of same |
| 05/18/2006 | US20060102349 Composition and method for treating a subterranean formation |
| 05/18/2006 | US20060102346 Well production optimizing system |
| 05/18/2006 | US20060102345 Method of estimating fracture geometry, compositions and articles used for the same |
| 05/18/2006 | US20060102344 Methods of initiating a fracture tip screenout |
| 05/18/2006 | US20060102343 Drilling, perforating and formation analysis |
| 05/18/2006 | US20060102340 Automatic downlink system |
| 05/18/2006 | US20060102336 Primary electro-mechanical initiating dump bailer device and method of use |
| 05/18/2006 | CA2587483A1 Method and apparatus for jet-fluid abrasive cutting |
| 05/17/2006 | EP1599634A4 Method of installation of a tension leg platform |
| 05/17/2006 | EP1583887B1 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells |
| 05/17/2006 | EP1551698B1 Riser installation vessel and method of using the same |
| 05/17/2006 | EP1448868B1 Internally orientated perforating system |
| 05/17/2006 | EP1444415B1 Single well development system |
| 05/17/2006 | CN2780989Y Low-frequency oil well electric heating device |
| 05/17/2006 | CN2780988Y Antiorrosive device for water reinjection method pipe of oil field reinjection |
| 05/17/2006 | CN2780987Y Concentric integral negative interference external fish-for type liquid distribution apparatus |
| 05/17/2006 | CN2780986Y Metal silk screen sand-proof screen tube |
| 05/17/2006 | CN2780985Y Ring creep sand-proof screen tube with external thread |
| 05/17/2006 | CN2780984Y Composite screen of sand-proof screen tube |
| 05/17/2006 | CN2780983Y Tower-shape ball screw pumping unit |
| 05/17/2006 | CN2780977Y Anchor for oil production tubular column of screw pump |
| 05/17/2006 | CN2780414Y Balame regulating device of oil pumping machine |
| 05/17/2006 | CN1773116A Oil production long extraction method |
| 05/17/2006 | CN1773076A Oil-sand separator and method for removing sand and sealing |
| 05/17/2006 | CN1773075A Beam-pumping unit energy storing and releasing energy-saving device |
| 05/17/2006 | CN1256502C Well provided with flexible production tubing |
| 05/17/2006 | CN1256501C Frequency conversion hydraulic well pumping unit for reducing installation power |
| 05/16/2006 | US7044685 Method of installation of a tension leg platform |
| 05/16/2006 | US7044236 Shot direction indicating device |
| 05/16/2006 | US7044232 Well apparatus connection assembly |
| 05/16/2006 | US7044230 Method for removing a tool from a well |
| 05/16/2006 | US7044228 Flowline jumper for subsea well |
| 05/16/2006 | US7044225 Lowering an improved shaped charge(containing a charge case, inside a main load, and a liner) into a well to a depth adjacent to the formation; and a layer of a polymer/polymer mixture(polymer and metal oxide) positioned between the main load and a liner; detonting the shaped charge to fracture formation |
| 05/16/2006 | US7044224 Preparing a permeable cement formulatin contanining a hydraulic cement, water, and a degradable material; injecting formulation into the subterranean formation at a pressure sufficient to create a fracture in the formation, setting formulation to form a proppant matrix having voids in the fracture |
| 05/16/2006 | US7044221 Apparatus for coupling a tubular member to a preexisting structure |
| 05/16/2006 | US7044220 Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well |
| 05/16/2006 | US7044218 Apparatus for radially expanding tubular members |
| 05/16/2006 | US7044217 Stuffing box for progressing cavity pump drive |
| 05/16/2006 | US7044215 Apparatus and method for driving submerged pumps |
| 05/16/2006 | CA2510101C Method and apparatus for controlling the speed of a pump in a well |
| 05/16/2006 | CA2192348C Delayed acid for gel breaking |
| 05/16/2006 | CA2186180C Well completion system and method |
| 05/16/2006 | CA2185421C Device for permanent joining of tubes |
| 05/16/2006 | CA2184943C Lateral seal and control system |
| 05/11/2006 | WO2006048629A1 Safety valve |
| 05/11/2006 | US20060099086 Compressor |
| 05/11/2006 | US20060096762 Mono-diameter wellbore casing |
| 05/11/2006 | US20060096761 Slip on screen with expanded base pipe |
| 05/11/2006 | US20060096760 Enhancing A Flow Through A Well Pump |
| 05/11/2006 | US20060096757 Method of treating an oil or gas well with biodegradable low toxicity fluid system |
| 05/11/2006 | US20060096756 Difunctional phosphorus-based gelling agents and gelled nonaqueous treatment fluids and associated methods |