| 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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| 03/30/2006 | WO2005121505A3 Aqueous-based tackifier fluids and methods of use |
| 03/30/2006 | US20060065444 Filter for a Drill String |
| 03/30/2006 | US20060065443 Drilling Fluid Filter |
| 03/30/2006 | US20060065408 Methods and apparatus for expanding tubular strings and isolating subterranean zones |
| 03/30/2006 | US20060065406 Interposed joint sealing layer method of forming a wellbore casing |
| 03/30/2006 | US20060065405 Method for installing a water well pump |
| 03/30/2006 | US20060065403 Bottom plug for forming a mono diameter wellbore casing |
| 03/30/2006 | US20060065402 Drilling system and method for controlling equivalent circulating density during drilling of wellbores |
| 03/30/2006 | US20060065398 Method of enhancing hydraulic fracturing using ultra lightweight proppants |
| 03/30/2006 | US20060065396 Compositions containing water control treatments and formation damage control additives, and methods for their use |
| 03/30/2006 | US20060065392 System and method for crude oil production stemming from natural emanations and leaks from capped oil wells |
| 03/30/2006 | US20060065390 Plunger lift system |
| 03/30/2006 | CA2520361A1 Well treating composition containing relatively lightweight proppant and acid |
| 03/30/2006 | CA2499699A1 Method and apparatus for stimulating a subterranean formation using liquefied natural gas |
| 03/29/2006 | EP1640560A1 Device for arranging a shut-off valve in a well |
| 03/29/2006 | EP1639230A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 03/29/2006 | EP1639229A1 Apparatus and method for sealing a wellbore |
| 03/29/2006 | EP1570153B1 Downhole safety valve for central circulation completion system |
| 03/29/2006 | EP1552274A4 Borehole conductivity profiler |
| 03/29/2006 | CN2767703Y Double-screw down-hole oil well pump |
| 03/29/2006 | CN2767659Y Downhole column for high temperature non-well control steam drive |
| 03/29/2006 | CN2767658Y Two-tube inserting apparatus |
| 03/29/2006 | CN2767656Y Large path downhole injection valve |
| 03/29/2006 | CN1753846A Extended particle size distribution ceramic fracturing proppant |
| 03/29/2006 | CN1752407A Gas-distributing container built-in water jacket heater |
| 03/29/2006 | CN1752406A Single crank double stroke flexible rope beam-pumping unit |
| 03/29/2006 | CN1752405A Floor oil sucking machine |
| 03/29/2006 | CN1752404A Gas well separate layer fracturing and producing integrated well completing pipe string and technique |
| 03/29/2006 | CN1752175A Oil well acidification composition |
| 03/29/2006 | CN1752174A Acidification composition for oil well |
| 03/29/2006 | CN1247876C Method for improving low permeable mineral reservoir |
| 03/29/2006 | CN1247875C Pumping well sucker-rod string rotation technique |
| 03/28/2006 | US7017950 Expandable connection |
| 03/28/2006 | US7017681 Device for performing hydrodynamic action on wellbore walls |
| 03/28/2006 | US7017670 Apparatus and method for expanding and fixing a tubular member within another tubular member, a liner or a borehole |
| 03/28/2006 | US7017669 Methods and apparatus for expanding tubulars |
| 03/28/2006 | US7017668 Sealed multilateral junction system |
| 03/28/2006 | US7017665 Strengthening near well bore subterranean formations |
| 03/28/2006 | US7017664 Single trip horizontal gravel pack and stimulation system and method |
| 03/28/2006 | US7017663 System for producing de-watered oil |
| 03/28/2006 | US7017661 Production of synthesis gas from a coal formation |
| 03/28/2006 | US7017506 Marginal gas transport in offshore production |
| 03/28/2006 | CA2426766C Rolling sleeve tubing expander |
| 03/28/2006 | CA2233086C Method for isolating multi-lateral well completions while maintaining selective drainhole re-entry access |
| 03/28/2006 | CA2167857C Running tool |
| 03/28/2006 | CA2141660C Pretreatment process for a natural gas containing hydrogen sulfide |
| 03/23/2006 | WO2006032008A2 Sintered spherical pellets |
| 03/23/2006 | US20060064256 Method and system for controlling the operation of devices in a hydrocarbon production system |
| 03/23/2006 | US20060063681 Fluid having recyclable viscosity |
| 03/23/2006 | US20060061099 Method for sealing radially expanded joints |
| 03/23/2006 | US20060060543 System and method for the removal of particulates from water |
| 03/23/2006 | US20060060359 Metal face seal |
| 03/23/2006 | US20060060358 Hydraulic downhole oil recovery system |
| 03/23/2006 | US20060060356 Production of free gas by gas hydrate conversion |
| 03/23/2006 | US20060060355 Perforating apparatus, firing assembly, and method |
| 03/23/2006 | US20060060352 Sand control completion having smart well capability and method for use of same |
| 03/23/2006 | CA2577998A1 Sintered spherical pellets |
| 03/22/2006 | EP1637204A2 Conveyor apparatus |
| 03/22/2006 | EP1549823A4 Bottom plug for forming a mono diameter wellbore casing |
| 03/22/2006 | EP1423583B1 Adjustable well screen assembly |
| 03/22/2006 | EP1407113B1 Wellbore system with annular seal member |
| 03/22/2006 | EP1247001B1 Filter for subterranean wells |
| 03/22/2006 | EP1165936B1 Novel fluids and techniques for maximizing fracture fluid clean-up |
| 03/22/2006 | CN2766038Y Portable fracturing and acidizing parameter monitoring instrument |
| 03/22/2006 | CN2766037Y Vortex sand separator |
| 03/22/2006 | CN2766036Y Down-hole waterflooding apparatus |
| 03/22/2006 | CN2766035Y Belt and steel wire composite pumping unit |
| 03/22/2006 | CN2766034Y Starting and stopping apparatus for pumping unit |
| 03/22/2006 | CN1749900A Method for controlling two way fluid flow fixed ratio and flow sum |
| 03/22/2006 | CN1749566A Digital control reciprocating oil submersible electric pump |
| 03/22/2006 | CN1246567C System for producing de-watered oil |
| 03/22/2006 | CN1246064C Combined degassing and flotation tank |
| 03/21/2006 | US7014757 Integrated three phase separator |
| 03/21/2006 | US7013993 Method of coring crustal core sample, and antimicrobial polymeric gel and gel material used in the method |
| 03/21/2006 | US7013992 Borehole stabilization while drilling |
| 03/21/2006 | US7013979 Self-conforming screen |
| 03/21/2006 | US7013978 System and method for separating fluids |
| 03/21/2006 | US7013977 Sealed connectors for automatic gun handling |
| 03/21/2006 | US7013974 Methods of treating subterranean zones using gelled aqueous treating fluids containing environmentally benign sequestering agents |
| 03/21/2006 | US7013973 Method of completing poorly consolidated formations |
| 03/21/2006 | US7013972 Heat exchanging from one or more heat sources to specific locations to pyrolyze hydrocarbons at specific formations, to inhibit coking; efficiency |
| 03/21/2006 | US7013970 Central circulation completion system |
| 03/21/2006 | US7013715 Multiphase flow measurement system |
| 03/21/2006 | CA2415814C Methods of consolidating proppant in subterranean fractures |
| 03/21/2006 | CA2287944C Communicating horizontal well network |
| 03/21/2006 | CA2194438C Method and apparatus for sealing and transferring force in a wellbore |
| 03/21/2006 | CA2167707C Method for enhanced recovery of coal bed methane |
| 03/16/2006 | WO2006029379A1 Control systems and methods for active controlled bottomhole pressure systems |
| 03/16/2006 | WO2006029112A1 Solar augmented geothermal energy |
| 03/16/2006 | WO2006027562A1 Wellbore-external underwater pump |
| 03/16/2006 | WO2006027541A1 Method for drilling oil and gas wells |
| 03/16/2006 | WO2005103440A3 Deploying an assembly into a well |
| 03/16/2006 | WO2005024171A3 Expandable tubular |
| 03/16/2006 | US20060058199 Oil recovery composition and method using arylalkyl sulfonate surfactants derived from broad distribution aplha-olefins |
| 03/16/2006 | US20060058198 Dry blend fracturing fluid additives |
| 03/16/2006 | US20060058173 Mixing presintered kaolin and bauxite with free quartz; jointly sintering to produce a charging material; granulating, drying and screening the charging material, sintering in the rotational furnace and screening the sintered granules; refractory propping agents |
| 03/16/2006 | US20060054330 Mono diameter wellbore casing |
| 03/16/2006 | US20060054329 Instrumented plunger for an oil or gas well |
| 03/16/2006 | US20060054327 System for neutralizing the formation of slugs in a riser |
| 03/16/2006 | US20060054326 Automated chemical stick loader for gas wells and method of loading |