E21B 49 - Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells

Patents for E21B 49 - Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells (11,875)
12/2011
12/06/2011	CA2586824C Drill cutting sampler
12/01/2011	WO2011126962A3 Ultrasonic measurements performed on rock cores
12/01/2011	US20110290561 Downhole Hydraulic Jetting Assembly, and Method for Stimulating a Production Wellbore
12/01/2011	US20110290011 Identification of casing collars while drilling and post drilling using lwd and wireline measurements
11/2011
11/30/2011	CN202055816U 一种加工井中磁梯度三分量探头基座的工装 A process for the three-component borehole magnetic gradient probe base tooling
11/29/2011	US8069018 Computer system and method for modeling fluid depletion
11/24/2011	WO2011146068A1 Downhole spectroscopic detection of carbon dioxide and hydrogen sulfide
11/24/2011	WO2011103525A3 Systems and methods of a collar bore for a sample bottle assembly
11/24/2011	US20110284220 On-the-fly acid blender with sampling equipment
11/24/2011	US20110284219 Direct measurement of fluid contamination
11/24/2011	CA2786581A1 Downhole spectroscopic detection of carbon dioxide and hydrogen sulfide
11/23/2011	CN202047817U Oil pumping well head electric heating sampler
11/23/2011	CN202047816U Antitheft sampling device
11/23/2011	CN202047815U Mine water seepage simulator
11/23/2011	CN202047808U Calibration device for three dimensional induction log instrument
11/23/2011	CN202047757U Layered sand prevention layered testing and layered oil extraction integrated pipe column
11/23/2011	CN102251769A Electromagnetic wave signal transmission method and system of measurement while drilling
11/22/2011	US8061446 Coring tool and method
11/22/2011	CA2675160C Method of heavy oil production
11/22/2011	CA2659372C Method and system of planning hydrocarbon extraction from a hydrocarbon formation
11/22/2011	CA2486857C Method and apparatus for effective well and reservoir evaluation without the need for well pressure history
11/19/2011	CA2733841A1 System and method for simulating oilfield operations
11/17/2011	WO2011143239A1 Tube-in-tube device useful for subsurface fluid sampling and operating other wellbore devices
11/17/2011	US20110277999 Single Packer System for Use In A Heavy Oil Environments
11/17/2011	US20110277997 Tool to determine formation fluid movement
11/16/2011	CN202039844U Device for automatic and continuous monitoring and metering of oil well water content
11/16/2011	CN202039843U Liquid and electricity mixed connecting structure among drill collars
11/16/2011	CN202039838U Plug water separator with multiple conical indenter sections
11/16/2011	CN202039835U Portable testing and scaling device applied in array induction well logger
11/16/2011	CN202039804U An anchor device for a datum point in a drill hole
11/16/2011	CN102242631A Flammable ice sampling device
11/16/2011	CN101666231B Shield machine warehouse entry method
11/16/2011	CN101315027B Apparatus for detecting transmitted signal of electromagnetic wave logging instrument
11/15/2011	US8057755 Constructive disposition applied to sample collector for the purposes of feces parasitological exam
11/15/2011	US8057752 Fluid analyzer for determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis
11/15/2011	US8056625 Formation evaluation while drilling
11/15/2011	CA2671282C Controlling transient pressure conditions in a wellbore
11/14/2011	CA2704274A1 Sample washer for drilling cuttings
11/10/2011	WO2011140270A2 Methods and systems for ultra-trace analysis of liquids
11/10/2011	WO2011140166A2 Well fluid sampling system for use in heavy oil environments
11/10/2011	WO2011139570A2 Formation testing
11/10/2011	WO2011080586A3 Formation sampling
11/10/2011	US20110276271 Method to determine current condensate saturation in a near-wellbore zone in a gas-condensate formation
11/10/2011	US20110276270 Method to determine current gas saturation in a near-wellbore zone in a volatile oil formation
11/10/2011	US20110272150 Well fluid sampling system for use in heavy oil environments
11/10/2011	US20110272146 Methods and compositions for determination of fracture geometry in subterranean formations
11/10/2011	US20110271751 Simulating Downhole Flow Through a Perforation
11/09/2011	EP2385175A2 Cone Penetration Testing Pushing Device and System
11/09/2011	CN202031627U A coal seam spontaneous combustion control system
11/09/2011	CN202031586U Internal member of horizontal orientation sampling drilling tool
11/09/2011	CN202031585U Fluid evaluation system of reservoir by TNIS (thermal neutron imaging system) through-casing pipe
11/09/2011	CN202031584U Four-antenna control circuit for circular transmission
11/09/2011	CN202031583U Round table cylindrical shell shaped near wellbore zone analogue device with sand prevention compacting sand bodies
11/09/2011	CN202031570U Plugging-type pressure differential flowmeter
11/09/2011	CN202031569U Sliding underground guider for resistance
11/09/2011	CN202031568U Remote data processor for wireless drilling instrument
11/09/2011	CN202031566U Novel flexible drive mechanism for downhole instrument
11/09/2011	CN202031557U Combined round table cylindrical shell near wellbore zone analogue device with three layers of compacting sand bodies
11/08/2011	US8051925 Core barrel assemblies with braking devices
11/08/2011	US8051924 Methods of braking core barrel assemblies
11/03/2011	WO2011135466A1 System and method for determining the effect of water-based additives on oil recovery
11/03/2011	WO2011135413A2 Method of measuring a multiphase flow
11/03/2011	WO2011134028A1 Method and device for measuring mechanical characteristics of the ground
11/03/2011	WO2009032595A3 High speed data transfer for measuring lithology and monitoring drilling operations
11/03/2011	US20110266055 Apparatus and Methods for Detecting Performance Data in an Earth-Boring Drilling Tool
11/02/2011	CN202023552U Perforation windowing-type knight spigot
11/02/2011	CN102230377A Multifunctional gas lifting strata testing string
11/02/2011	CN102230374A Underground program remote update device based on 485 bus
11/01/2011	US8047286 Formation evaluation system and method
11/01/2011	CA2671374C Controlling transient pressure conditions in a wellbore
11/01/2011	CA2638934C Lost profit reduction process and system
10/2011
10/27/2011	WO2011079173A3 Electric hydraulic interface for a modular downhole tool
10/26/2011	EP2380017A2 Method for determining the concentration of a plurality of compounds in a drilling fluid
10/26/2011	EP2380004A1 Interferometry-based downhole analysis tool
10/26/2011	CN202017486U Testing and evaluating device for stability of gas-liquid conversion well wall
10/26/2011	CN101526489B Method for detecting contents of paraffin and asphaltene in oil
10/25/2011	US8042387 Methods and apparatus to control a formation testing operation based on a mudcake leakage
10/25/2011	CA2357340C Wellbore resistivity tool with simultaneous multiple frequencies
10/20/2011	WO2011130224A1 Fluid sampling and analysis downhole using microconduit system
10/20/2011	WO2011130136A2 Dielectric spectroscopy for downhole fluid analysis during formation testing
10/20/2011	WO2011128852A2 Automatic stage design of hydraulic fracture treatments using fracture height and in-situ stress
10/20/2011	US20110257887 Utilization of tracers in hydrocarbon wells
10/20/2011	US20110253452 Coring apparatus and methods
10/20/2011	US20110253448 Formation Evaluation Using a Bit-Based Active Radiation Source and a Gamma Ray Detector
10/20/2011	US20110253364 System and method for generating density in a cased-hole wellbore
10/20/2011	CA2795902A1 Automatic stage design of hydraulic fracture treatments using fracture height and in-situ stress
10/19/2011	EP1869579B1 Solution method and apparatus for large-scale simulation of layered formations
10/19/2011	CN102220866A Pressure relief and consolidation synergizing prevention and control method for rock burst in deep coal drift
10/19/2011	CN102220865A Method for detecting limestone formation pore pressure
10/19/2011	CN102220841A Submarine sampling drilling rig
10/18/2011	US8037935 Acquiring and concentrating a selected portion of a sampled reservoir fluid
10/18/2011	US8037747 Downhole fluid characterization based on changes in acoustic properties
10/18/2011	CA2669480C Downhole formation testing tool
10/18/2011	CA2663720C Formation fluid sampling tools and methods utilizing chemical heating
10/18/2011	CA2352621C Modelling method for predicting, as a function of time, the detailed composition of fluids produced by an underground deposit during production
10/13/2011	WO2011126962A2 Ultrasonic measurements performed on rock cores
10/13/2011	US20110249266 Fluid sampling and analysis downhole using microconduit system
10/13/2011	US20110247881 Intelligent controlled process for well lateral coring
10/13/2011	US20110247879 Apparatus and methods for detecting gases during coring operations
10/13/2011	US20110247878 Expansion and sensing tool

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