| 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) |
|---|
| 07/23/2013 | US8490690 Selective control of flow through a well screen |
| 07/23/2013 | US8490686 Coupler compliance tuning for mitigating shock produced by well perforating |
| 07/23/2013 | US8490685 Method and apparatus associated with stimulation treatments for wells |
| 07/23/2013 | CA2739383C Methods for treating a subterranean formation by introducing a treatment fluid containing a proppant and a swellable particulate and subsequently degrading the swellable particulate |
| 07/23/2013 | CA2717080C One trip liner running, cementing and setting tool using expansion |
| 07/23/2013 | CA2705959C Plug in pump for inverted shroud assembly |
| 07/23/2013 | CA2696917C Drill in sand control liner |
| 07/23/2013 | CA2566298C System and method for the production or handling of heavy oil |
| 07/23/2013 | CA2562568C Non-tubing deployed well artificial lift system |
| 07/18/2013 | WO2013106593A1 Submersible pump control |
| 07/18/2013 | WO2013106514A1 Method of controlling reservoir particles using electrolytic composite materials |
| 07/18/2013 | WO2013106388A2 Rf applicator having a bendable tubular dielectric coupler and related methods |
| 07/18/2013 | WO2013106260A1 Performing multi-stage well operations |
| 07/18/2013 | WO2013106259A1 Treatment system for multiple zones |
| 07/18/2013 | WO2013106212A2 Integral fracturing manifold |
| 07/18/2013 | WO2013106205A1 Heavy oil production with em preheat and gas injection |
| 07/18/2013 | WO2013106162A1 Inflow control device with adjustable orifice and production string having the same |
| 07/18/2013 | WO2013106161A1 Downhole fluid separation system and method |
| 07/18/2013 | WO2013106156A1 System and method for producing oil |
| 07/18/2013 | WO2013106154A1 Nanocomposites for absorption tunable sandscreens |
| 07/18/2013 | WO2013106059A2 Methods for removing residual polymer from a hydraulic fracture |
| 07/18/2013 | WO2013106055A2 Esp thrust module with enhanced lubrication and temperature dissipation |
| 07/18/2013 | WO2013105969A1 Method and system of planning and/or drilling wellbores |
| 07/18/2013 | WO2013105882A2 Method for the subterranean leaching of nickel-cobalt ores |
| 07/18/2013 | WO2013105881A2 Method for constructing an injection system for developing the non-water-saturated part of an ore body during subterranean leaching |
| 07/18/2013 | WO2013105872A1 Method for exploiting an oil deposit |
| 07/18/2013 | WO2013105371A1 Water catchment pipe laying assistance instrument and water catchment pipe laying method employing same |
| 07/18/2013 | WO2013104233A1 Wind-directly-driven oil pumping machine |
| 07/18/2013 | WO2013104069A1 Fluid or slurry pulsing casing/liner shoe |
| 07/18/2013 | WO2012152286A3 An enzyme enhanced oil recovery system and a method for operating an underground oil reservoir |
| 07/18/2013 | WO2012040235A3 Remotely operated isolation valve |
| 07/18/2013 | US20130180731 Pressure Activated Down Hole Systems and Methods |
| 07/18/2013 | US20130180730 Hydraulic assist deployment system for artificial lift systems and methods for using the same |
| 07/18/2013 | US20130180729 Rf applicator having a bendable tubular dielectric coupler and related methods |
| 07/18/2013 | US20130180725 Non-ballistic tubular perforating system and method |
| 07/18/2013 | US20130180723 Fracturing fluids including amine oxides as flowback aids |
| 07/18/2013 | US20130180722 Technique of fracturing with selective stream injection |
| 07/18/2013 | US20130180721 Downhole Fluid Treatment Tool |
| 07/18/2013 | US20130180720 Non-Acidic Exothermic Sandstone Stimulation Fluids |
| 07/18/2013 | US20130180718 Method and apparatus for wellbore fluid treatment |
| 07/18/2013 | US20130180715 Methods and apparatus for cementing wells |
| 07/18/2013 | US20130180714 Method for removing contaminants from wastewater in hydraulic fracturing process |
| 07/18/2013 | US20130180713 In-situ crosslinking with aluminum carboxylate for acid stimulation of a carbonate formation |
| 07/18/2013 | US20130180712 Method for accelerating heavy oil production |
| 07/18/2013 | US20130180709 Well Completion Apparatus, System and Method |
| 07/18/2013 | US20130180708 Apparatus and methods for recovery of hydrocarbons |
| 07/18/2013 | US20130180706 Expandable Device for Use in a Well Bore |
| 07/18/2013 | US20130180704 Oil well pump apparatus |
| 07/18/2013 | US20130180701 System and method for enhanced wellbore perforations |
| 07/18/2013 | DE102011116953B4 Verfahren, Absperr- und Anschlussvorrichtungen zum Anbau in der Tiefsee zwecks Ausflussstoppen bzw. Anschließen an havarierten Erdgas- bzw. Erdölförderrohrstutzen, Präventer und Bohrgestänge Procedures, isolation and connection devices for cultivation in the deep sea for the purpose of stopping or discharge connection to natural gas or oil production damaged pipes, drill pipe and Präventer |
| 07/18/2013 | CA2861006A1 Wind-directly-driven oil pumping machine |
| 07/18/2013 | CA2860865A1 Method and system of planning and/or drilling wellbores |
| 07/18/2013 | CA2858095A1 System and method for producing oil |
| 07/18/2013 | CA2857763A1 Rf applicator having a bendable tubular dielectric coupler and related methods |
| 07/18/2013 | CA2857211A1 Heavy oil production with em preheat and gas injection |
| 07/18/2013 | CA2832959A1 Esp thrust module with enhanced lubrication and temperature dissipation |
| 07/17/2013 | EP2615242A2 Variable flow resistance system with circulation inducing structure therein to variably resit flow in a subterranean well |
| 07/17/2013 | EP2614216A1 Flush-enabled controlled flow drain |
| 07/17/2013 | EP2614215A2 Series configured variable flow restrictors for use in a subtrerranean well |
| 07/17/2013 | CN203070138U Pumping unit electric-control protection device used in extremely cold and humid environment |
| 07/17/2013 | CN203070035U Electrical?control system?of oil pumping?machine |
| 07/17/2013 | CN203067627U Auxiliary braking and locking device of beam pumper |
| 07/17/2013 | CN203067625U Auxiliary braking device of beam pumper |
| 07/17/2013 | CN203067614U A brake for oil pumping unit maintenance |
| 07/17/2013 | CN203067018U Offset gas-liquid two-phase jet flow slotting permeability-increasing device |
| 07/17/2013 | CN203067017U Device for preventing spraying of coal or gas in drilling and cutting |
| 07/17/2013 | CN203067016U Gas-liquid two-phase jet flow slotting system |
| 07/17/2013 | CN203066956U Oil and gas well perforating ground monitoring device |
| 07/17/2013 | CN203066953U Oil-sand separation device |
| 07/17/2013 | CN203066952U Acid-fracturing tubular column ball socket capable of being salvaged and used repeatedly |
| 07/17/2013 | CN203066951U Fracture ball sealer |
| 07/17/2013 | CN203066950U Heavy oil reservoir exploitation equipment |
| 07/17/2013 | CN203066949U Natural gas driven chemical reagent injection system |
| 07/17/2013 | CN203066948U Flow monitor for dosing producing well |
| 07/17/2013 | CN203066947U Eccentric single-current water distributor |
| 07/17/2013 | CN203066946U Balanced air-controlled, blockage-removal and oil-production-increasing device |
| 07/17/2013 | CN203066945U Single-well pressurized gas production device |
| 07/17/2013 | CN203066944U Large-breadth double-sided submerged-arc-welded spiral filter tube |
| 07/17/2013 | CN203066943U Sand blocking screen tube |
| 07/17/2013 | CN203066942U Novel oil-gas well filling system |
| 07/17/2013 | CN203066941U Underground driving type screw pump oil extraction device |
| 07/17/2013 | CN203066940U Full-automatic energy-saving numerical control oil extracting machine |
| 07/17/2013 | CN203066939U Multifunctional both-arm interaction double-driving-wheel automatic speed-change oil pumping machine |
| 07/17/2013 | CN203066938U Oil pumping machine balancing box with novel idler wheel guide mechanisms |
| 07/17/2013 | CN203066937U Oil pumping machine with anti-falling mechanism |
| 07/17/2013 | CN203066936U Novel pumping unit with torque transmission system and load system separated |
| 07/17/2013 | CN203066935U Self-pressurized type underground proportioning and blending device |
| 07/17/2013 | CN203066934U Pumping unit load reduction machine used for mixing well thinly |
| 07/17/2013 | CN203066924U Combination-sealed direction-dividing wear-resisting fracture mining well head equipment |
| 07/17/2013 | CN103210178A Subsea autonomous dispersant injection system and methods |
| 07/17/2013 | CN103210175A Bop lock down |
| 07/17/2013 | CN103209929A Process and apparatus for removal of oxygen from seawater |
| 07/17/2013 | CN103206485A Weight box for pumping unit |
| 07/17/2013 | CN103206482A Flexible friction reverse wheel |
| 07/17/2013 | CN103206203A Analytical method of single-shot perforation sand production in oil well |
| 07/17/2013 | CN103206199A Device and method for exploiting natural gas hydrates by means of thermal fluid fracturing |
| 07/17/2013 | CN103206198A Visualized experiment method of polymer flooding oil deposit well pattern adjustment aiding chemical flooding |
| 07/17/2013 | CN103206197A Dual-pressure single-valve electronic-control joint exploitation string and method for regulating and controlling same |
| 07/17/2013 | CN103206196A Variable Flow Resistance System With Circulation Inducing Structure Therein To Variably Resist Flow In A Subterranean Well |
| 07/17/2013 | CN103206195A Filling conversion tool |