| 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) |
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| 07/17/2013 | CN103206210A Experimental apparatus for exploiting natural gas hydrate reservoir by means of thermal fluid fracturing |
| 07/17/2013 | CN103206209A Comprehensive simulation experiment device for reservoir heterogeneity |
| 07/17/2013 | CN103206208A Method for macroscopically quantizing microscopic remaining oil in different occurrence states |
| 07/17/2013 | CN103206207A Favorable oil reservoir region identification method based on hydrocarbon generation period ancient structure |
| 07/17/2013 | CN103206206A Method for calculating fracture pressure of ultra deep well formations |
| 07/17/2013 | CN101806214B Ultra-deep well drilling simulation experiment device |
| 07/17/2013 | CN101446197B Sidewall coring tool and method for marking a sidewall core |
| 07/16/2013 | US8485253 Anti-locking device for use with an arm system for logging a wellbore and method for using same |
| 07/16/2013 | US8485026 Microfluidic method for measuring thermo-physical properties of a reservoir fluid |
| 07/16/2013 | CA2741870C Cylindrical shaped snorkel interface on evaluation probe |
| 07/16/2013 | CA2594950C Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation |
| 07/11/2013 | US20130179080 Integrated Workflow or Method for Petrophysical Rock Typing in Carbonates |
| 07/11/2013 | US20130175041 Pressure tolerant battery |
| 07/10/2013 | EP2611987A2 Systems and methods for monitoring a parameter of a subterranean formation using swellable materials |
| 07/10/2013 | CN203050689U Low-shear sampler |
| 07/10/2013 | CN203050688U Water dispersion injection device for rock core gas injection displacement experiment |
| 07/10/2013 | CN203050669U Scale device of polar plate used for logging instrument |
| 07/10/2013 | CN203050502U Gas outburst monitoring device of drilling machine |
| 07/10/2013 | CN103201434A Method and device for measuring mechanical characteristics of the ground |
| 07/10/2013 | CN103198748A Multifunctional resistivity log experimental device |
| 07/10/2013 | CN103195419A Bypass tertiary oil recovery online sampling device |
| 07/10/2013 | CN103195418A Underground sampler |
| 07/10/2013 | CN103195417A Experiment device and method for stimulating current-limiting and sectional fracturing of horizontal well |
| 07/10/2013 | CN103195416A Production well resistivity logging device |
| 07/10/2013 | CN103195294A Integrated manual and electronic electric lockset |
| 07/10/2013 | CN102359346B Lunar soil deep drilling sample recycling mechanism |
| 07/10/2013 | CN102108858B Ground simulation measuring device and method for formation pressure while drilling |
| 07/10/2013 | CN102052073B Sand-filled pipe combination device simulating two-dimensional drill core |
| 07/10/2013 | CN101988380B Method for constructing oil reservoir oil displacement microbial community to improve crude oil recovery ratio |
| 07/10/2013 | CN101798923B System and method for remote control coal mine evacuation working face advance detection and forecasting |
| 07/10/2013 | CN101725345B Device for simulating casing-cement sheath damage indoor test under stratum action |
| 07/10/2013 | CN101078348B Single phase fluid sampling apparatus and method for use of same |
| 07/09/2013 | CA2694260C Method and apparatus for monitoring offshore contamination |
| 07/09/2013 | CA2558238C Downhole formation sampling |
| 07/04/2013 | WO2013102156A1 Scintillation detection device with an encapsulated scintillator |
| 07/04/2013 | WO2013052437A9 Applications based on fluid properties measured downhole |
| 07/04/2013 | WO2013023972A3 Method and bead tube for treating ground bores |
| 07/04/2013 | US20130168088 Downhole piston accumulator system |
| 07/04/2013 | US20130168087 Downhole tool and method |
| 07/03/2013 | EP2610433A1 Downhole high-power electromagnetic pulse emission apparatus |
| 07/03/2013 | CN203035195U Source-spacing-adjustable acoustic logging sonic system |
| 07/03/2013 | CN203035194U Formation testing burning arm |
| 07/03/2013 | CN203035181U Multifunctional oil-electricity monitoring device |
| 07/03/2013 | CN103184887A Method for underground tunnel drilling construction and geological information inversing |
| 07/03/2013 | CN103184869A Formation testing process technology in exploration of oil and gas field |
| 07/03/2013 | CN103184868A Method for identifying distribution of interlayers, sandwich layers and residual oil in sandstone reservoir |
| 07/03/2013 | CN101749014B Simulated formation testing device for carbon-to-oxygen ratio spectrum logging and application method |
| 07/02/2013 | US8474533 Gas generator for pressurizing downhole samples |
| 07/02/2013 | US8474313 Process for testing a sample of hydraulic fracturing fluid |
| 07/02/2013 | CA2425423C Methods and apparatus for downhole fluids analysis |
| 06/27/2013 | WO2013096571A1 System and method for measuring formation properties |
| 06/26/2013 | EP2607622A1 System and method for measuring formation properties |
| 06/26/2013 | CN203022738U Downhole liquid sampler |
| 06/26/2013 | CN203022737U Electric earth-taking and hole-forming device |
| 06/26/2013 | CN203022735U Wireless data inter-transmission formation testing system |
| 06/26/2013 | CN203022734U Layered seal examining tester |
| 06/26/2013 | CN203022721U Aluminum alloy logging probe |
| 06/26/2013 | CN203022719U Sand-filling and sand-setting experimental device for sand prevention |
| 06/26/2013 | CN103180548A System and method for hydrocarbon gas pay zone characterization in a subterranean reservoir |
| 06/26/2013 | CN103174414A Sampling device for well-inside in-situ fluid in deep well |
| 06/26/2013 | CN103174413A Drilling tool and method for detecting reservoir stratum boundary and thickness while drilling |
| 06/26/2013 | CN103174412A Coal bed gas reservoir layering co-mining high temperature and high pressure discharging mining dynamic evaluation instrument |
| 06/26/2013 | CN103174408A Inflatable capacitance type water cut and flow compound sensor |
| 06/26/2013 | CN103174391A Control system of coiled tubing underground tractor driven by electronic control hydraulic pressure |
| 06/26/2013 | CN102606151B Method and device for predicting rock drillability of wildcat well before drilling |
| 06/26/2013 | CN102494428B Hydraulic down-hole refrigerator |
| 06/26/2013 | CN102061911B Method for measuring wall thickness of downhole casing |
| 06/26/2013 | CN101976494B Real-time logging data acquisition and synchronous early-warning method |
| 06/25/2013 | US8469090 Method for monitoring hydrocarbon production |
| 06/25/2013 | US8468882 Method and apparatus for logging a wellbore |
| 06/25/2013 | CA2703741C System and method of analyzing fluids at a drilling location |
| 06/25/2013 | CA2529173C Determination of the impedance of a material behind a casing combining two sets of ultrasonic measurements |
| 06/25/2013 | CA2506991C Method and system for reservoir characterization in connection with drilling operations |
| 06/20/2013 | WO2013090875A1 Production logging tool and method for analyzing a produced fluid |
| 06/20/2013 | WO2013089811A1 Optical computation fluid analysis system and method |
| 06/20/2013 | WO2013089692A1 Methods of analyzing a reservoir fluid sample using a multivariate optical element calculation device |
| 06/20/2013 | WO2013088414A1 Method for preparing a sample of rock cuttings extracted from a subsoil and associated analysis assembly |
| 06/20/2013 | WO2012042353A3 Imaging methods and systems for downhole fluid analysis |
| 06/20/2013 | US20130158877 Processing of Geological Data |
| 06/20/2013 | US20130155408 Methods of analyzing a reservoir fluid sample using a multivariate optical element calculation device |
| 06/20/2013 | US20130152665 Measuring gas content of unconventional reservoir rocks |
| 06/20/2013 | CA2855386A1 Optical computation fluid analysis system and method |
| 06/19/2013 | EP2604996A1 Method for preparing a sample of rock cuttings extracted from a subsoil and associated analysis assembly |
| 06/19/2013 | EP2603665A1 Very high pressure sample capture and transportation vessel |
| 06/19/2013 | CN203008898U Multifunctional oil gas storage testing device |
| 06/19/2013 | CN203008897U Injection wellhead sampler |
| 06/19/2013 | CN203008896U Soil sampler |
| 06/19/2013 | CN203008894U Cable-free layered test instrument for injection-production profile of oil-water well |
| 06/19/2013 | CN203008891U Tower type test platform used for induction log instrument experiment |
| 06/19/2013 | CN103161459A Multi-layer overlaid coalbed methane treasure exploitation interlayer interruption mechanism modeling device |
| 06/19/2013 | CN103161458A Experimental device for simulating heavy oil reservoir gas auxiliary steam thermal oil recovery and special model system thereof |
| 06/19/2013 | CN103161457A Experimental device of two-dimensional (2D) visualization slab model |
| 06/19/2013 | CN103161456A Reservoir diagenetic simulation system |
| 06/19/2013 | CN103161455A High temperature and high pressure shale well wall stability evaluation device |
| 06/19/2013 | CN103161454A Method for horizontal geological exploration by means of directional drilling machine |
| 06/19/2013 | CN103161436A Well test interpretation method of horizontal well for thickened oil thermal recovery |
| 06/19/2013 | CN103161435A Well test interpretation method of vertical well for thickened oil thermal recovery |
| 06/19/2013 | CN102268986B Shaft bottom parameter measuring device |
| 06/19/2013 | CN102160938B Passive degassing device as well as tank body and slurry treating element thereof |
| 06/19/2013 | CN102041995B System for monitoring complicated oil deposit flooding conditions |