| 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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| 09/30/2004 | US20040188099 Method of creating a casing in a borehole |
| 09/30/2004 | US20040188096 Submersible pump deployment and retrieval system |
| 09/30/2004 | US20040188093 One trip completion process |
| 09/30/2004 | US20040188089 Methods of treating subterranean formations using solid particles and other larger solid materials |
| 09/30/2004 | US20040188083 Flow completion system |
| 09/30/2004 | CA2795417A1 Method of treating subterranean formations using mixed density proppants or sequential proppant stages |
| 09/30/2004 | CA2644213A1 Method of treating subterranean formations using mixed density proppants or sequential proppant stages |
| 09/30/2004 | CA2518453A1 Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system |
| 09/30/2004 | CA2517524A1 Apparatus and method for radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool |
| 09/29/2004 | EP1461562A1 Method for making a sealed tubular joint with plastic expansion |
| 09/29/2004 | EP1461561A1 Threaded tubular joint comprising sealing surfaces |
| 09/29/2004 | EP1461510A1 A drilling method for maintaining productivity while eliminating perforating and gravel packing |
| 09/29/2004 | EP1240408B1 System for producing de-watered oil |
| 09/29/2004 | CN2644789Y Discharging type sealing device of pumping unit speed reduction box |
| 09/29/2004 | CN2644714Y Screw pump hot well clean-up check valve |
| 09/29/2004 | CN2644706Y Rotary vere of borehole pump |
| 09/29/2004 | CN2644705Y Highly effective sand and thick prevention expansion plunger oil well pump |
| 09/29/2004 | CN2644704Y Blowout prevention touch switch of oil well pump |
| 09/29/2004 | CN2644703Y 往复式直线电机抽油泵 Reciprocating linear motor pump |
| 09/29/2004 | CN2644675Y Poured polymer well subsurface sampler |
| 09/29/2004 | CN2644673Y Centralizer of water amount regulating device |
| 09/29/2004 | CN2644672Y Scale prevention water distributor |
| 09/29/2004 | CN2644671Y Ring closed pumping unit |
| 09/29/2004 | CN2644670Y Swinging arm abdicating double wheels belt drive vertical type pumping unit |
| 09/29/2004 | CN2644669Y Speed reducing, energy saving and driving apparatus of pumping unit |
| 09/29/2004 | CN1533465A Wellbore system with annular seal member |
| 09/29/2004 | CN1168890C Hydraulic spray pump with sampler |
| 09/28/2004 | US6798338 RF communication with downhole equipment |
| 09/28/2004 | US6796261 Subsea deployable drum for laying lines |
| 09/28/2004 | CA2462344A1 Submersible pump deployment and retrieval system |
| 09/28/2004 | CA2315170C Isolation system for two producing formations |
| 09/23/2004 | WO2004081346A2 Apparatus for radially expanding and plastically deforming a tubular member |
| 09/23/2004 | WO2004081341A1 Downhole reversible pump |
| 09/23/2004 | WO2004081340A1 Interactive swage |
| 09/23/2004 | WO2004081339A1 Methods and compositions for sealing oil containing subterranean zones |
| 09/23/2004 | WO2004027205B1 Mono diameter wellbore casing |
| 09/23/2004 | WO2003106130A3 Collapsible expansion cone |
| 09/23/2004 | WO2003102348A3 Multi seam coal bed/methane dewatering and depressurizing production system |
| 09/23/2004 | WO2003078785B1 Collapsible expansion cone |
| 09/23/2004 | US20040186024 Viscous well treating fluids and methods |
| 09/23/2004 | US20040184938 Bladder pump for borehole sampling |
| 09/23/2004 | US20040182754 Discharging sand from a vessel at elevated pressure |
| 09/23/2004 | US20040182582 Method of sealing an annulus |
| 09/23/2004 | US20040182581 Expandable tubing and method |
| 09/23/2004 | US20040182579 Expanding wellbore junction |
| 09/23/2004 | US20040182578 Expanding wellbore junction |
| 09/23/2004 | US20040182576 Well treatment fluid and methods with oxidized polysaccharide-based polymers |
| 09/23/2004 | US20040182575 Well treatment fluid and methods with oxidized polysaccharide-based polymers |
| 09/23/2004 | US20040182572 Antimicrobial with limited diffusion properties due to a low solubility, such as for instance a polymeric amine, can be utilized within the well bore to minimize diffusion into the surrounding geological structures |
| 09/23/2004 | US20040182571 Centraliser for an expandable tubular element in a wellbore |
| 09/23/2004 | US20040182569 Apparatus for expanding a tubular member |
| 09/23/2004 | US20040182568 Expanding wellbore junction |
| 09/23/2004 | US20040182567 Wellhead leak containment and blowout deflection apparatus |
| 09/23/2004 | US20040182437 Gas lift valve |
| 09/22/2004 | EP1460121A1 Well treating fluids |
| 09/22/2004 | EP1458952A1 Shot direction indication device |
| 09/22/2004 | EP1458908A1 A tubular member having an anti-galling coating |
| 09/22/2004 | EP1228289B1 Method and system for suppressing and controlling slug flow in a multi-phase fluid stream |
| 09/22/2004 | EP1058769B1 Apparatus for completing a subterranean well and method of using same |
| 09/22/2004 | CN2642993Y Decompression eccentric water-distribution device |
| 09/22/2004 | CN2642992Y Oil extraction device of energy-saving plunger type submersible electric pump |
| 09/22/2004 | CN2642991Y Frequency of stroke regulating device for oil pumping machine |
| 09/22/2004 | CN2642986Y Filling mechanism |
| 09/22/2004 | CN1530515A Vertical cooker hood with swinging arm and double wheel transmission |
| 09/21/2004 | US6795773 Well completion method, including integrated approach for fracture optimization |
| 09/21/2004 | US6793019 Tapered ramp positive lock latch mechanism |
| 09/21/2004 | US6793017 Method and apparatus for transferring material in a wellbore |
| 09/21/2004 | US6792665 Method of securing a connection against breakout torque |
| 09/21/2004 | CA2700661A1 Gas lift valve |
| 09/21/2004 | CA2700642A1 Gas lift valve |
| 09/21/2004 | CA2700640A1 Gas lift valve |
| 09/21/2004 | CA2700296A1 Gas lift valve |
| 09/21/2004 | CA2301525C Improved helical separator |
| 09/21/2004 | CA2299951C Method and apparatus for handling and disposal of oil and gas well drill cuttings |
| 09/20/2004 | CA2422876A1 Wellhead leak containment and blowout deflection apparatus |
| 09/16/2004 | WO2004079246A1 Method for producing a threaded tubular connection sealed by radial expansion |
| 09/16/2004 | WO2004079159A1 Methods and compositions for consolidating proppant in fractures |
| 09/16/2004 | WO2004079158A1 Interchangeable choke assembly |
| 09/16/2004 | WO2004079157A1 Compliant swage |
| 09/16/2004 | WO2004079150A2 Full bore lined wellbores |
| 09/16/2004 | WO2004079146A2 Method of installation of a tension leg platform |
| 09/16/2004 | WO2004079145A2 Method for drilling and completing wells |
| 09/16/2004 | WO2004067911A3 Propped fracture with high effective surface area |
| 09/16/2004 | WO2004048750A3 Method of installing a tubular assembly in a wellbore |
| 09/16/2004 | WO2004018823B1 Interposed joint sealing layer method of forming a wellbore casing |
| 09/16/2004 | WO2003023178B1 Adjustable expansion cone assembly |
| 09/16/2004 | WO2003010415A8 Vertical flood for crude oil recovery |
| 09/16/2004 | US20040180794 Methods and compositions for sealing oil containing subterranean zones |
| 09/16/2004 | US20040177974 Tubing expansion |
| 09/16/2004 | US20040177972 Collapse resistant expandables for use in wellbore environments |
| 09/16/2004 | US20040177970 Downhole latch |
| 09/16/2004 | US20040177968 Gas lift method with surfactant injection |
| 09/16/2004 | US20040177966 Conductor-in-conduit temperature limited heaters |
| 09/16/2004 | US20040177961 Methods of completing wells in unconsolidated subterranean zones |
| 09/16/2004 | US20040177960 Propped Fracture with High Effective Surface Area |
| 09/16/2004 | US20040177959 Expandanble tubing and method |
| 09/16/2004 | US20040177957 relative permeability modifier (RPM) macromolecule capable of impeding the production of water and an organosilane halide |
| 09/16/2004 | US20040177955 Method of controlling the direction of propagation of injection fractures in permeable formations |
| 09/16/2004 | US20040177954 Interactive swage |
| 09/16/2004 | US20040177953 Expander for expanding a tubular element |