| 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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| 06/22/2005 | EP1543214A2 Non-corrosive amphoteric surfactants and method of well treatment |
| 06/22/2005 | EP1542779A1 Device for separating multi-phase fluids |
| 06/22/2005 | EP1378627A4 Method for developing a hydrocarbon reservoir (variants) and complex for carrying out said method (variants) |
| 06/22/2005 | CN2705630Y Inner pump type sectioned float ball anti-sand oil pump |
| 06/22/2005 | CN2705591Y Stainless steel sand-proof net |
| 06/22/2005 | CN2705590Y Oil/sand separator on well |
| 06/22/2005 | CN2705589Y Jetting and cutting united pump |
| 06/22/2005 | CN2705588Y Energy saving closed loop hydraulic oil pumping unit |
| 06/22/2005 | CN2705586Y Hot production wellhead oil injection seal box |
| 06/22/2005 | CN1630767A Method of sealing an annulus |
| 06/22/2005 | CN1630566A Protective sleeve for threaded connections for expandable liner hanger |
| 06/22/2005 | CN1207536C Automatic monitor method and device for safety of mining headframe |
| 06/21/2005 | US6907937 Expandable sealing apparatus |
| 06/21/2005 | US6907936 Method and apparatus for wellbore fluid treatment |
| 06/21/2005 | US6907935 Latch profile installation in existing casing |
| 06/21/2005 | US6907933 Sub-sea blow case compressor |
| 06/21/2005 | US6907930 Multilateral well construction and sand control completion |
| 06/21/2005 | US6907926 Open well plunger-actuated gas lift valve and method of use |
| 06/21/2005 | US6907925 PC pump inlet backwash method and apparatus |
| 06/21/2005 | US6907652 Pipe connecting method |
| 06/21/2005 | CA2292278C A method of achieving a preferential flow distribution in a horizontal well bore |
| 06/21/2005 | CA2261650C Swivel |
| 06/20/2005 | CA2457700A1 Mutual solvent for improved oil and gas permeability |
| 06/16/2005 | WO2005054746A2 Method for production of high pressure steam from produced water |
| 06/16/2005 | WO2005054627A1 Method and system for extraction of resources from a subterranean well bore |
| 06/16/2005 | WO2005054626A1 Methods for geomechanical fracture modeling |
| 06/16/2005 | WO2005054624A1 Perforating gun with improved carrier strip |
| 06/16/2005 | WO2005054594A2 Methods, systems, and devices for saving natural resources usable ina building structure |
| 06/16/2005 | WO2005053570A2 Expanded downhole screen systems and method |
| 06/16/2005 | WO2005026540A3 Downhole draw down pump and method |
| 06/16/2005 | WO2004083592B1 Apparatus and method for running a radially expandable tubular member |
| 06/16/2005 | WO2004076798B1 Apparatus for radially expanding and plastically deforming a tubular member |
| 06/16/2005 | US20050130848 Compositions and methods for improving fracture conductivity in a subterranean well |
| 06/16/2005 | US20050129547 Method of circulating through a reciprocating downhole tubing pump and a reciprocating downhole tubing pump |
| 06/16/2005 | US20050127673 Tubing seal |
| 06/16/2005 | US20050127672 Sealing expandable tubing |
| 06/16/2005 | US20050127671 Sealing tubing |
| 06/16/2005 | US20050126789 System and method for fail-safe disconnect from a subsea well |
| 06/16/2005 | US20050126784 Treatment of oil wells |
| 06/16/2005 | US20050126780 Compositions and methods for improving fracture conductivity in a subterranean well |
| 06/16/2005 | US20050126779 Seamless woven wire sintered well screen |
| 06/16/2005 | US20050126776 Wellbore screen |
| 06/16/2005 | US20050126775 Hydraulic release running tool |
| 06/16/2005 | US20050126251 Apparatus for and a method of expanding tubulars |
| 06/16/2005 | US20050125980 System and method of constructing wire wrap well screens |
| 06/16/2005 | CA2549134A1 Methods for geomechanical fracture modeling |
| 06/15/2005 | EP1541774A2 Method and device for hydraulically declogging a well |
| 06/15/2005 | EP1541622A1 Syntactic polyurethanes comprising a thixotropic agent |
| 06/15/2005 | EP1540137A2 System and mehtod for automating or metering fluid recovered at a well |
| 06/15/2005 | EP1540136A1 A pipe separator for the separation of fluids, particularly oil, gas and water |
| 06/15/2005 | EP1540135A2 System and method to separate particles from water |
| 06/15/2005 | EP1540134A1 A method and system for combating the formation of emulsions |
| 06/15/2005 | EP1540133A2 Method and system for controlling devices in hydrocarbon production |
| 06/15/2005 | EP1540128A2 Interposed joint sealing layer method of forming a wellbore casing |
| 06/15/2005 | EP1362161B8 Seafloor-surface connecting installation of a submarine pipeline installed at great depth |
| 06/15/2005 | CN2704702Y Oil-well pump for extracting oil |
| 06/15/2005 | CN2704701Y Oil-well pump for extracting oil |
| 06/15/2005 | CN2704699Y Piston water pumps |
| 06/15/2005 | CN2704685Y De-twisted rope suspendig device for oil sucker |
| 06/15/2005 | CN2704684Y Wellhead assembled valve of pumping unit |
| 06/15/2005 | CN1626800A Intellectualized network system for oil pumping unit |
| 06/15/2005 | CN1626770A Method for gas liquid separation under oil well and flow pattern gas anchor of multiple sedimentation cups etc. |
| 06/15/2005 | CN1626769A Intelligent controlled pumping unit |
| 06/15/2005 | CA2450766A1 A method and apparatus for monitoring and diagnosis of well progressing cavity pump systems |
| 06/14/2005 | US6905114 Shock absorbing and shock force generating apparatus with shear pin for an oil pump and method therefor |
| 06/14/2005 | US6904982 Subsea mud pump and control system |
| 06/14/2005 | US6904974 Slotting geometry for metal pipe and method of use of the same |
| 06/14/2005 | US6904973 Downhole pump |
| 06/14/2005 | CA2342955C Liquid addition to steam for enhancing recovery of cyclic steam stimulation or laser-css |
| 06/14/2005 | CA2336901C Well riser lateral restraint and installation system for offshore platform |
| 06/14/2005 | CA2281698C Removing a waste component from a hydrocarbon fluid |
| 06/14/2005 | CA2182293C A vessel for production and/or loading/unloading and transport of hydrocarbons from offshore fields, and/or for carrying out well operations |
| 06/14/2005 | CA2156483C Heat activated safety fuse |
| 06/12/2005 | CA2452858A1 Hydraulic release running tool |
| 06/09/2005 | WO2005052318A1 Method of sinking and lining a shaft |
| 06/09/2005 | WO2005052317A2 Simultaneous development of underground caverns and deposition of materials |
| 06/09/2005 | WO2005052304A1 Method for drilling and lining a wellbore |
| 06/09/2005 | WO2004101473A3 Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes |
| 06/09/2005 | US20050125209 Methods for geomechanical fracture modeling |
| 06/09/2005 | US20050125156 Methods and systems for using wavelet analysis in subterranean applications |
| 06/09/2005 | US20050124501 Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well |
| 06/09/2005 | US20050123639 Formed by coating the interior surfaces of tubular members with a lubricant, positioning tubular members within a preexisting structure, and radially expanding and plastically deforming the tubular members within the preexisting structure; oil well bores |
| 06/09/2005 | US20050121232 Downhole filter |
| 06/09/2005 | US20050121204 Apparatus and method for lining a downhole casing |
| 06/09/2005 | US20050121203 Cased hole perforating alternative |
| 06/09/2005 | US20050121202 Method and apparatus for supporting a tubular in a bore |
| 06/09/2005 | US20050121200 Process to sequester CO2 in natural gas hydrate fields and simultaneously recover methane |
| 06/09/2005 | US20050121197 Real time optimization of well production without creating undue risk of formation instability |
| 06/09/2005 | US20050121196 Method of optimizing production of gas from vertical wells in coal seams |
| 06/09/2005 | US20050121195 Casing conveyed well perforating apparatus and method |
| 06/09/2005 | US20050121193 Method of optimizing production of gas from subterranean formations |
| 06/09/2005 | US20050121192 Apparatus and method for gravel packing an interval of a wellbore |
| 06/09/2005 | US20050121188 Controlling a fluid well |
| 06/08/2005 | EP1537293A1 Three-dimensional well system for accessing subterranean zones |
| 06/08/2005 | EP1537291A1 Drilling method |
| 06/08/2005 | EP1295060B9 Tubular threaded joint capable of being subjected to diametral expansion |
| 06/08/2005 | EP1278936B1 Tubing hanger with annulus bore |
| 06/08/2005 | EP1194679B1 Method and system for testing a borehole by the use of a movable plug |
| 06/08/2005 | EP0857247B1 Assembly and process for drilling and completing multiple wells |
| 06/08/2005 | CN2703898Y Three-layer individual-pumping co-producing pump |