Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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)
10/2014
10/02/2014WO2014159910A1 Methods and systems for drilling from underground access tunnels to develop subterranean hydrocarbon reservoirs
10/02/2014WO2014159890A1 Dual underground tunnel system for hydrocarbon exploitation
10/02/2014WO2014159676A1 A system and method for facilitating subterranean hydrocarbon extraction with electrochemical processes
10/02/2014WO2014159265A1 Encapsulated proppants
10/02/2014WO2014159145A1 Monitoring produced water
10/02/2014WO2014159103A1 A system for detecting, containing and removing hydrocarbon leaks in a subsea environment
10/02/2014WO2014159097A1 Methods for treatment of a subterranean formation
10/02/2014WO2014159068A1 Enhanced oil production using control of well casing gas pressure
10/02/2014WO2014158428A1 Determining a target net treating pressure for a subterranean region
10/02/2014WO2014158427A1 Controlling Net Treating Pressure in a Subterranean Region
10/02/2014WO2014158376A1 A pressure volume temperature system
10/02/2014WO2014158343A1 Siloxane surfactant additivesf for oil and gas applications
10/02/2014WO2014158337A1 Method and system for treating a borehole
10/02/2014WO2014158141A1 Exterior drain tube for well screen assemblies
10/02/2014WO2014158138A1 Annular flow control devices and methods of use
10/02/2014WO2014158028A1 Downhole tool device and method for using the same
10/02/2014WO2014154585A1 Method and system for surface enhancement of tubulars
10/02/2014WO2014154582A1 Method and system for surface enhancement of tubulars
10/02/2014WO2014154577A1 Coating composition and method
10/02/2014WO2014154470A2 Separation system using heat of compression
10/02/2014WO2014154348A1 Composition comprising water-soluble polymer and microfibrillated cellulose, product and method for oilfield applications
10/02/2014US20140297245 Systems and Methods For Subsurface Oil Recovery Optimization
10/02/2014US20140297235 Production analysis and/or forecasting methods, apparatus, and systems
10/02/2014US20140295523 Glucanases, Nucleic Acids Encoding Them and Methods for Making and Using Them
10/02/2014US20140291022 Amorphous shaped charge component and manufacture
10/02/2014US20140290966 Torsional Restraints For Downhole Transmissions
10/02/2014US20140290961 Method and arrangement for establishing and operating a riser less coiled tubing
10/02/2014US20140290957 Reactor Tank
10/02/2014US20140290956 High pressure pump
10/02/2014US20140290954 Wellbore Strengthening Composition
10/02/2014US20140290953 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil
10/02/2014US20140290950 Multi-Scale, Multi-Layer Diode Grid Array Rectenna
10/02/2014US20140290948 Pressure-Activated Switch
10/02/2014US20140290945 Methods of zonal isolation and treatment diversion
10/02/2014US20140290943 Stabilized Fluids In Well Treatment
10/02/2014US20140290942 Method for injecting low salinity water
10/02/2014US20140290936 Hydraulic fracture monitoring using active seismic sources with receivers in the treatment well
10/02/2014US20140290935 Stimulation method
10/02/2014US20140290934 Radio frequency heat applicator for increased heavy oil recovery
10/02/2014US20140290931 High Temperature Solder For Downhole Components
10/02/2014US20140290768 Frac Pump Isolation Safety System
10/02/2014US20140290352 Protection of Electronic Devices Used with Perforating Guns
10/01/2014EP2783069A2 Coupled pipe network - reservoir modeling for multi-branch oil wells
10/01/2014EP2783068A1 Inflow control solutions for wellbores
10/01/2014EP2783067A1 Releasing activators during wellbore operations
09/2014
09/30/2014US8849623 Systems and methods for reservoir development and management optimization
09/30/2014US8844639 Pentane-hexane solvent in situ recovery of heavy oil
09/30/2014US8844637 Treatment system for multiple zones
09/30/2014US8844633 Method for maintaining wellbore pressure
09/30/2014US8844629 Method of fracturing using alkaliphile derived enzyme breaker
09/30/2014US8844627 Intelligent well system and method
09/30/2014US8844625 Perforating gun spacer
09/30/2014US8844618 Smart drop-off tool and hang-off tool for a logging string
09/30/2014US8844615 Oilfield material delivery mechanism
09/30/2014US8844614 Tangential perforation system
09/30/2014US8844552 Slug mitigation
09/30/2014CA2802674C Fracturing method to reduce tortuosity
09/30/2014CA2796939C Apparatus and method for sealing portions of a wellbore
09/30/2014CA2792007C Apparatus and methods for controlling and communicating with downhole devices
09/30/2014CA2786077C Additive and method for removal of impurities formed due to sulfur compounds in crude oils containing calcium naphthenate
09/30/2014CA2766051C Sealed multilateral junction system
09/30/2014CA2722452C Field management for substantially constant composition gas generation
09/30/2014CA2712197C Sand separation system and method
09/30/2014CA2664316C Improved method of developing subsurface freeze zone
09/30/2014CA2663823C Enhanced shale oil production by in situ heating using hydraulically fractured producing wells
09/30/2014CA2657046C Method of radially expanding a tubular element
09/30/2014CA2620559C Method for a short-term well operation by means of an electrically-powered submersible pumping unit (kuzmichev method)
09/30/2014CA2598685C Gas lift plunger arrangement
09/30/2014CA2590826C Retention member for perforating guns
09/30/2014CA2588297C Method and apparatus for stimulating production from oil and gas wells by freeze-thaw cycling
09/30/2014CA2581839C Low temperature oxidation enhanced oil recovery with catalyst
09/25/2014WO2014153314A1 Sleeve valve
09/25/2014WO2014152585A1 Multi-stage downhole oil-water separator
09/25/2014WO2014152251A1 Stimulation with natural gas
09/25/2014WO2014151886A2 Couplings for expandable tubular
09/25/2014WO2014151710A1 Acoustic artificial lift system for gas production well deliquification
09/25/2014WO2014151675A2 Control choke system
09/25/2014WO2014151641A1 Process for recovering oil from an oil-bearing formation and treating produced water containing anti-scaling additives
09/25/2014WO2014151314A1 Thick wall shouldered launcher
09/25/2014WO2014151294A1 A proppant
09/25/2014WO2014151280A1 Methods of treating a subterranean formation with one-step furan resin compositions
09/25/2014WO2014151197A1 Process for recovering oil and treating resulting produced water with ceramic membranes
09/25/2014WO2014150701A1 Treatment fluids comprising a hydroxypyridinecarboxylic acid and methods for use thereof
09/25/2014WO2014150499A1 Methods for acidizing a subterran ean formation using a stabilized microemulsion carrier fluid
09/25/2014WO2014150462A1 Chemical strainer
09/25/2014WO2014150440A1 A proppant
09/25/2014WO2014150095A1 Monitoring hydraulic fracturing
09/25/2014WO2014149970A1 Hydraulic fracturing with exothermic reaction
09/25/2014WO2014149524A1 Well treatment
09/25/2014WO2014149517A1 N-acyl amino acid alkylamide in oil-based particulate carrier fluids for well treatments
09/25/2014WO2014149396A2 Apparatus and methods for well control
09/25/2014WO2014149395A2 Sand control screen having improved reliability
09/25/2014WO2014149293A1 Apparatus and method for determining fluid interface proximate an electrical submersible pump and operating the same in response thereto
09/25/2014WO2014148940A1 Device for hydraulically protecting a submersible electric motor of a downhole, preferably centrifugal, pump (variants)
09/25/2014WO2014148925A1 Method and system for monitoring and/or controlling fracture connectivity
09/25/2014WO2014148924A1 Improved effective well-bore diameter for heat extraction
09/25/2014WO2014146624A1 Method for delivering or for preparing the delivery of fluid media
09/25/2014WO2014146191A1 Amide branched aromatic gelling agents
09/25/2014US20140284066 Systems and methods for generating in-situ carbon dioxide driver gas for use in enhanced oil recovery
09/25/2014US20140284058 Pressure response fracture port tool for use in hydraulic fracturing applications
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