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 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)
11/2012
11/21/2012CN202544845U Hydraulic power device for formation drilling while testing instrument
11/21/2012CN202544844U Tester for determining rock drillability and drilling parameter sensitivity
11/21/2012CN202544843U Packer of formation tester
11/21/2012CN202544840U Device for testing liquid rheological property under high temperature and high pressure
11/21/2012CN202544839U Pushing type multi-arm microsphere, microelectrode and caliper combination logger
11/21/2012CN202544837U Downhole engineering parameter while drilling test dual-system
11/21/2012CN202544831U Oil-water two-phase simulation experimental device
11/21/2012CN102791959A Passive micro-vessel and sensor
11/21/2012CN101864951B Safe coring bullet pulling device
11/21/2012CN101581222B Petroleum drilling fluid nuclear magnetic resonance while-drilling analytic
11/21/2012CN101429866B Wing rib telescopic while-drilling density logger
11/21/2012CN101392647B Borehole wall stability prediction method suitable for gas drilling
11/15/2012WO2012152916A2 System and method for generating fluid compensated downhole parameters
11/15/2012WO2012087864A3 Method of utilizing subterranean formation data for improving treatment operations
11/15/2012US20120285742 Method for Detecting Hydrocarbon Zones in a Geological Formation
11/15/2012US20120285680 Separation system to separate phases of downhole fluids for individual analysis
11/15/2012US20120285232 Sample channel for a sensor for measuring fluid properties
11/14/2012CN202531164U Antitheft and antifreezing sampling device
11/14/2012CN202531163U Single-probe sidewall contact device
11/14/2012CN202531162U Drilling mud degassing controller
11/14/2012CN202531156U X-ray rapid detecting system for vertical shaft pipeline
11/14/2012CN102782252A Measuring gas content of unconventional reservoir rocks
11/14/2012CN102777167A Two-dimensional rational extrusion oil gas transporting poly-graphic physical simulation device
11/14/2012CN101975060B Rapid sampling system of deep hole gas
11/14/2012CN101942995B Method for evaluating watered-out degree of ultralow-permeability water-drive reservoir sandstone oil layer
11/14/2012CN101881157B Sound wave well logging transducer
11/14/2012CN101832127B Permanent pressure meter testing method for coal bed gas observation well
11/14/2012CN101737009B Geometry steerable drilling system driven by liquid and gas phase drilling media rotary disc
11/14/2012CN101575970B Lithology while drilling and reservoir characteristics recognizing method
11/14/2012CN101403299B Energy spectrum graduator and its production technique
11/13/2012US8307704 Apparatus and methods for gas volume retained coring
11/08/2012WO2012097295A3 Rotational test valve with tension reset
11/07/2012EP2519709A2 Look ahead advance formation evaluation tool
11/07/2012CN202522434U Acoustical property detection and simulation device for structure under oil well
11/07/2012CN202520280U Anti-freezing sampling valve for thickened oil wellhead
11/07/2012CN202520278U Burglary-proof anti-freezing sampling valve for oil well
11/07/2012CN102767368A Simulation experiment device for polyurethane-based reinforced shaft wall
11/07/2012CN102767367A High-resolution lateral logger and resistivity-measuring method
11/07/2012CN102767366A High-resolution orientation resistivity side direction logging instrument and logging method
11/07/2012CN102767365A High-resolution direction resistivity dual lateral logging tool and resistivity measuring method
11/07/2012CN102767364A High-resolution dual-side-direction logging instrument and resistivity measurement method
11/07/2012CN102767360A Underground detector for measuring acousto-electric effects
11/07/2012CN102125772B Degasser
11/07/2012CN101832125B Remotely updating device of EDIB (Electronic Data Interchange Bus) based down-hole program
11/07/2012CN101379271B Methods, systems, and computer-readable media for real-time oil and gas field production optimization using a proxy simulator
11/06/2012US8302689 Apparatus and method for manipulating fluid during drilling or pumping operations
11/01/2012WO2012149375A2 Spring force nodal mounting method for resonator sensor
11/01/2012WO2012149003A2 Apparatus and method for estimating formation lithology using x-ray flourescence
11/01/2012WO2012148688A2 A method of providing flow control devices for a production wellbore
11/01/2012WO2012146970A2 Intelligent hydraulic pumping device for recovering oil and obtaining down-hole information
11/01/2012WO2012122050A3 Systems, devices, and methods for enviromental monitoring in agriculture
11/01/2012WO2012116072A9 Multi-phase region analysis method and apparatus
11/01/2012WO2012048224A3 Sampling system based on microconduit lab on chip
11/01/2012US20120273273 Analysis of drilling cuttings for permittivity
11/01/2012US20120272727 Spring force nodal mounting method for resonator sensor
11/01/2012CA2834253A1 Smart hydraulic pumping device for recovery of oil and obtaining of infomation from the reservoir
10/2012
10/31/2012EP2516800A2 Electric hydraulic interface for a modular downhole tool
10/31/2012EP2516790A1 Determining a property of a formation material
10/31/2012CN202510116U Water lock type unconsolidated formation sampling drilling tool
10/31/2012CN202510115U Digital focus circuit of electrical logging instrument
10/31/2012CN202510114U Nuclear magnetic resonance logging tool multipoint calibration device
10/31/2012CN202510111U Multi-channel data acquisition circuit applied to array induction logging instrument
10/31/2012CN202510103U Centralized type multifunctional logging sensor
10/31/2012CN202510102U Three-parameter headstall logging instrument
10/31/2012CN202510100U Coil system of tricomponent sensing logger
10/31/2012CN202510089U Intelligent well control system
10/31/2012CN202510083U Double-packer nipple of stratum tester
10/31/2012CN202510080U Wellhead pressure sampling measurement device of single well
10/31/2012CN102758622A Monitoring method for earth surface environment damage in underground mining area
10/31/2012CN102758621A Preparation method for density logger graduation high density value standard die block
10/31/2012CN102758617A Method for carrying out temperature fine well logging by utilizing distributed optical fiber
10/31/2012CN102758616A Multi-point formation pressure measuring instrument
10/31/2012CN102758612A Multi-parameter layered testing method
10/31/2012CN102758606A Ground injection system for coal bed gas testing
10/31/2012CN102758605A Optical fiber test system fixed in oil well
10/31/2012CN101775983B Sandstone reservoir water layer resistivity-based stratum data processing method
10/31/2012CN101598017B Device for measuring porosity of azimuth neutrons during drilling
10/30/2012US8297376 Coring apparatus with sensors
10/26/2012WO2012143866A1 Apparatus and method for measuring the flow-rate of different fluids present in multiphase streams
10/26/2012WO2012087797A3 Method to characterize underground formation
10/26/2012WO2011090865A8 Detecting and meausuring a coring sample
10/26/2012CA2833084A1 Apparatus and method for measuring the flow-rate of different fluids present in multiphase streams
10/25/2012US20120267115 Subsea sampling system and method
10/25/2012US20120267096 Method of testing the operation of a producing pil well operated using the formation hydrofracturing process
10/25/2012US20120266668 Surface Wave Sensor for Downhole Applications
10/24/2012EP2514915A1 Downhole time-domain pulsed electromagnetic method for detecting resistivity of stratum outside metal cased pipe
10/24/2012EP2513423A2 Formation sampling
10/24/2012CN202500558U Device for extracting collapsible loess undisturbed sample by hammering in hole
10/24/2012CN202500557U Portable point type rock core permeability tester
10/24/2012CN202500546U Non-inductive test box
10/24/2012CN202500544U Rotary driving device for oilfield well eccentric test
10/24/2012CN202499674U Double-roller linkage numerical control winch
10/24/2012CN102753971A Phase behavior analysis using a microfluidic platform
10/24/2012CN102749937A Quantitative control device for releasing high-pressure fluid
10/24/2012CN102748018A Device and method for thickened oil deposit gas injection huff-puff oil extraction physical simulation experiments
10/24/2012CN102748017A Self-support fracture testing and analyzing device and method for oil-gas field development
10/24/2012CN102748016A Geologic history period sandstone reservoir porosity evolution recovery method
10/24/2012CN102748015A Device and method for simulating formation pressure
10/24/2012CN102748014A Quantitative predication method applicable to formation water production before drilling of gas drilling
10/24/2012CN102748005A System for monitoring temperature, stress and deformation of frozen wall of shaft in real time and laying method thereof
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