| 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) |
|---|
| 12/11/2013 | CN101910554B Method of drilling a wellbore |
| 12/11/2013 | CN101785151B High pressure, high voltage penetrator assembly |
| 12/11/2013 | CN101672179B Intelligent synchronous testing and adjusting method capable of simultaneously infusing, testing and regulating |
| 12/11/2013 | CN101395338B System and method for producing fluids from a subterranean formation |
| 12/10/2013 | US8606524 Method and system for determining formation properties based on fracture treatment |
| 12/10/2013 | US8606091 Subsurface heaters with low sulfidation rates |
| 12/10/2013 | US8602110 Externally adjustable inflow control device |
| 12/10/2013 | US8602103 Generation of fluid for hydrocarbon recovery |
| 12/10/2013 | US8602100 Managing treatment of subterranean zones |
| 12/10/2013 | US8602099 Process for the production of mineral oil |
| 12/10/2013 | US8602098 Hydrate control in a cyclic solvent-dominated hydrocarbon recovery process |
| 12/10/2013 | US8602094 Method for downhole electrical transmission by forming an electrical connection with components capable of relative rotational movement |
| 12/10/2013 | CA2765812C Steam splitter |
| 12/10/2013 | CA2746388C Improved heat transfer through the electrical submersible pump |
| 12/10/2013 | CA2742867C Process for recovering heavy oil utilizing one or more membranes |
| 12/10/2013 | CA2739423C Shunt tube flowpaths extending through swellable packers |
| 12/10/2013 | CA2700320C Flow restriction device |
| 12/10/2013 | CA2697820C Apparatus for "in-situ" extraction of bitumen or very heavy oil |
| 12/10/2013 | CA2683184C Gas restrictor for pump |
| 12/10/2013 | CA2682426C Compliant expansion swage |
| 12/10/2013 | CA2605292C U-shaped fiber optical cable assembly for use in a heated well and methods for installing and using the assembly |
| 12/10/2013 | CA2602004C High density brines for use in wellbore fluids |
| 12/10/2013 | CA2597469C Method and equipment for the reduction of multiple dispersions |
| 12/10/2013 | CA2502598C Openhole perforating |
| 12/08/2013 | CA2818293A1 Thermal pulsing procedure for remediation of cold spots in steam assisted gravity drainage |
| 12/08/2013 | CA2818065A1 Method and arrangement for preventing hydrocarbon based deposition |
| 12/07/2013 | CA2817458A1 Hydraulic fracture simulation with an extended finite element method |
| 12/05/2013 | WO2013181490A1 Surface active additives for oil-based mud filter cake breakers |
| 12/05/2013 | WO2013181308A1 Assembly and technique for completing a multilateral well |
| 12/05/2013 | WO2013181303A1 Monitoring integrity of a riser pipe network |
| 12/05/2013 | WO2013181259A1 Gravel packing method for multilateral well prior to locating a junction |
| 12/05/2013 | WO2013181143A1 Smart flowback alarm to detect kicks and losses |
| 12/05/2013 | WO2013180910A1 System and method for delivering treatment fluid |
| 12/05/2013 | WO2013180909A1 Systems and methods for hydrotreating a shale oil stream using hydrogen gas that is concentrated from the shale oil stream |
| 12/05/2013 | WO2013180898A1 Materials with environmental degradability, methods of use and making |
| 12/05/2013 | WO2013178826A1 Improved electric fracturing of a reservoir |
| 12/05/2013 | WO2013178765A2 Methods and apparatus to detect fluid distributions |
| 12/05/2013 | WO2013178626A1 Methods for well treatment, using gellable compositions comprising a polyacrylamide and a non-metallic cross linker |
| 12/05/2013 | WO2013178295A1 Apparatus and method for controlling pressure in a borehole |
| 12/05/2013 | WO2013178012A1 Method for fluid carriage in deep-seam coal hydraulic mining |
| 12/05/2013 | WO2013177683A1 In situ upgrading via hot fluid injection |
| 12/05/2013 | WO2013154468A3 Method for increasing hydrocarbon extraction and for ensuring the continuous operation of wells |
| 12/05/2013 | WO2013151985A3 Methods for determining wettability from nmr |
| 12/05/2013 | WO2013132137A8 Method and apparatus for extracting oil from the soil comprising oil or from the solid materials comprising oil |
| 12/05/2013 | WO2013070501A3 Method and apparatus for artificial lift using well fluid electrolysis |
| 12/05/2013 | WO2012170112A3 Single and multi-chamber wellbore pumps for fluid lifting |
| 12/05/2013 | US20130324443 Salt-tolerant, thermally-stable rheology modifiers |
| 12/05/2013 | US20130323614 Gas stream production |
| 12/05/2013 | US20130319695 Downhole isolation tool having a ported sliding sleeve |
| 12/05/2013 | US20130319694 Downhole ported shifting sleeve |
| 12/05/2013 | US20130319691 Expandable liner hanger and method of use |
| 12/05/2013 | US20130319682 Well completion using a pumpable seat assembly |
| 12/05/2013 | US20130319681 Surface close proximity wells |
| 12/05/2013 | US20130319677 Well completion |
| 12/05/2013 | US20130319670 Methods for servicing subterranean wells |
| 12/05/2013 | US20130319669 Continuous multi-stage well stimulation system |
| 12/05/2013 | US20130319668 Pumpable seat assembly and use for well completion |
| 12/05/2013 | US20130319667 Degradable latex and method |
| 12/05/2013 | US20130319666 Gravel Packing Method for Multilateral Well Prior to Locating a Junction |
| 12/05/2013 | US20130319664 Inflow Control Device Having Externally Configurable Flow Ports |
| 12/05/2013 | US20130319663 Sagd water treatment system and method |
| 12/05/2013 | US20130319661 Downhole fluid transport plunger with thruster |
| 12/05/2013 | US20130319657 Method for controlling the trajectory of a hydraulic fracture in strata-containing natural fractures |
| 12/05/2013 | US20130319656 Enzyme breakers and methods for fluid systems |
| 12/05/2013 | US20130319652 Control and supply unit |
| 12/05/2013 | US20130319651 Cutting unit of a hydromecanical slot perforator |
| 12/05/2013 | CA2875125A1 Apparatus and method for controlling pressure in a borehole |
| 12/04/2013 | EP2669716A1 Apparatus and methods for providing information about one or more subterranean variables |
| 12/04/2013 | EP2669468A1 Method of and apparatus for completing a well |
| 12/04/2013 | EP2669467A2 Compliant cone system |
| 12/04/2013 | EP2669466A2 Inflow control device having externally configurable flow ports |
| 12/04/2013 | EP2668368A2 Well deployed heat fin for esp motor |
| 12/04/2013 | CN203326949U High frequency PWM chopped wave speed regulating system of oilfield water injection station |
| 12/04/2013 | CN203324747U Direct-driven oil pumping unit controller of permanent magnet synchronous motor |
| 12/04/2013 | CN203322694U Lubricating device for hair braid of oil pumping unit |
| 12/04/2013 | CN203321499U Downhole high torque control test switch |
| 12/04/2013 | CN203321497U Single-well oil and gas metering device for oilfields |
| 12/04/2013 | CN203321496U Winding sensor for acidizing operations |
| 12/04/2013 | CN203321489U Large flow channel spiral gas and sand anchor |
| 12/04/2013 | CN203321488U Gas-liquid separator-filter for wellhead associated gas |
| 12/04/2013 | CN203321487U Oil gas metering separator sand setting device |
| 12/04/2013 | CN203321486U Well mouth rotational flow desanding device |
| 12/04/2013 | CN203321485U Natural gas well mouth grit removing device |
| 12/04/2013 | CN203321484U Sand mixing truck for shale gas exploitation |
| 12/04/2013 | CN203321483U Networked measuring truck |
| 12/04/2013 | CN203321482U Fracturing used sand-proof armored pipeline |
| 12/04/2013 | CN203321481U Skid-mounted CO2 supercharging device |
| 12/04/2013 | CN203321480U Cased hole completion multi-stage fracturing horizontal well selective mining pipe column |
| 12/04/2013 | CN203321479U Multistage fracturing tubular column of oilfield horizontal well |
| 12/04/2013 | CN203321478U Switch fracturing slide bush |
| 12/04/2013 | CN203321477U Splash damage prevention hydraulic ejector |
| 12/04/2013 | CN203321476U Coiled tubing controllable packer technique pipe for repeated reconstruction of old wells |
| 12/04/2013 | CN203321475U Cluster-sliding-sleeve fracturing tubular column of oilfield horizontal well |
| 12/04/2013 | CN203321474U Gas field horizontal well immovable string hydraulic power sand blast clustering multistage fracturing string |
| 12/04/2013 | CN203321473U Dual-hole ball seat |
| 12/04/2013 | CN203321472U Double-tube wellhead device for heavy oil thermal recovery |
| 12/04/2013 | CN203321471U Double-pipe four cross joint capable of tripping three pipes in two channels |
| 12/04/2013 | CN203321470U CT scanning system based on top gas injection multi-angle displacement process |
| 12/04/2013 | CN203321469U Layering steam injection measuring system and flow recording instrument |
| 12/04/2013 | CN203321468U Uniflow bidirectional bridging-communication eccentric water distribution working barrel |