| 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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| 08/15/2007 | EP1618284B1 Device for analysing at least one gas contained in a liquid, particularly bore fluid |
| 08/15/2007 | CN2934570Y Outer overline crystal package cartridge for highly effective detection |
| 08/15/2007 | CN101016837A Cement interface shearing in annulus supersonic ultrasonic testing method |
| 08/14/2007 | US7257491 Method of determining the per strata reserve quality of an oil well |
| 08/14/2007 | US7255016 Soil sampler apparatus and method |
| 08/14/2007 | US7254999 Permanently installed in-well fiber optic accelerometer-based seismic sensing apparatus and associated method |
| 08/14/2007 | CA2398225C Method for reducing borehole erosion in shale formations |
| 08/09/2007 | WO2007089832A1 Methods, systems, and computer-readable media for real-time oil and gas field production optimization using a proxy simulator |
| 08/09/2007 | WO2007088534A1 Method and system for monitoring soil properties |
| 08/09/2007 | WO2007088319A1 System and method for obtaining well fluid samples |
| 08/09/2007 | US20070182408 Downhole High Resolution NMR Spectroscopy With Polarization Enhancement |
| 08/09/2007 | US20070181341 Mwd formation tester |
| 08/09/2007 | CA2640727A1 Methods, systems, and computer-readable media for real-time oil and gas field production optimization using a proxy simulator |
| 08/08/2007 | CN101012748A Wellface scanning imagery logging device with microresistivity |
| 08/08/2007 | CN101012747A Gas-liquid ratio control method of rock core displacement test |
| 08/08/2007 | CN101012746A Method for prediction of oil well annular tube damage and detecting instrument for implementing the method |
| 08/07/2007 | US7253401 Spectral gamma ray logging-while-drilling system |
| 08/07/2007 | US7252141 Groundwater sampling device |
| 08/02/2007 | US20070175663 Measuring device and drilling device for deep drillings |
| 08/02/2007 | US20070175273 Method for measuring formation properties with a time-limited formation test |
| 08/01/2007 | CN2929184Y Underwell sampler |
| 08/01/2007 | CN2929183Y Fluid control type underwell multiple stage tester |
| 08/01/2007 | CN1329626C Well logging method and instrument based on HF array electromagnetic wave propagation |
| 07/26/2007 | WO2007034276B1 Apparatus for downhole fluids analysis utilizing micro electro mechanical systems (mems) or other sensors |
| 07/26/2007 | WO2006096452A3 Downhole uses of piezoelectric motors |
| 07/26/2007 | US20070169540 Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration |
| 07/25/2007 | CN2927052Y Automatic oil-vapor component analyzer |
| 07/25/2007 | CN2926503Y Single-layer packing sampling tester for oil well |
| 07/25/2007 | CN2926501Y Underwell TV-imaging logging system |
| 07/25/2007 | CN1328471C Application of drilling system and method of drilling |
| 07/25/2007 | CN101004134A Method for explaining thick oil reservoir bed by using T2 relaxation spectrum |
| 07/24/2007 | US7249009 Method and apparatus for simulating PVT parameters |
| 07/24/2007 | US7246664 Dual piston, single phase sampling mechanism and procedure |
| 07/24/2007 | CA2353954C A method of estimating properties of a multi-component fluid using pseudocomponents |
| 07/24/2007 | CA2288784C Monitoring of downhole parameters and tools utilizing fiber optics |
| 07/19/2007 | WO2007082025A2 Docking receiver of a zone isolation assembly for a subsurface well |
| 07/19/2007 | WO2007082023A2 Zone isolation assembly array for isolating a plurality of fluid zones in a subsurface well |
| 07/19/2007 | WO2007082014A2 Zone isolation assembly for isolating and testing fluid samples from a subsurface well |
| 07/18/2007 | EP1807606A1 Method and system for production metering of oil wells |
| 07/18/2007 | EP1527234B1 Method and device for soil analysis |
| 07/18/2007 | CN2924009Y Production liquid profile servey magnetic-particle preventing device |
| 07/18/2007 | CN2924008Y Indoor sampling device of metering station |
| 07/18/2007 | CN2924007Y Four-effect protector |
| 07/18/2007 | CN2924006Y Integrated formation-testing pipe string of cross-packer back-perforating, detecting and discharging liquid |
| 07/18/2007 | CN2924005Y Perforating, detecting, acidating and liquid-discharging integrated testing pipe string |
| 07/17/2007 | US7243537 Methods for measuring a formation supercharge pressure |
| 07/17/2007 | US7243536 Formation fluid sampling apparatus and method |
| 07/17/2007 | CA2392618C Improved method and apparatus for predicting the fluid characteristics in a well hole |
| 07/13/2007 | CA2573467A1 Computer-based method for while-drilling modeling and visualization of layered subterranean earth formations |
| 07/13/2007 | CA2568365A1 Testing, treating, or producing a multi-zone well |
| 07/12/2007 | WO2007039836A3 Methods, systems and appartus for coiled tubing testing |
| 07/12/2007 | US20070158066 Docking receiver of a zone isolation assembly for a subsurface well |
| 07/12/2007 | US20070158065 Zone isolation assembly array for isolating a plurality of fluid zones in a subsurface well |
| 07/12/2007 | US20070158062 Zone isolation assembly for isolating and testing fluid samples from a subsurface well |
| 07/12/2007 | US20070157719 Practical Methods to Estimate Horizontal and Vertical Permeabilities |
| 07/11/2007 | EP1805394A1 Movable supporting construction |
| 07/11/2007 | EP1620631B1 Continuous data recorder for a downhole sample tank |
| 07/11/2007 | CN1995699A Gas pretreatment device for logging and its alarming controller |
| 07/11/2007 | CN1325940C Evaluation of stratigraphic structure for well-logging using mangetic resonance |
| 07/10/2007 | US7242194 Formation imaging while drilling in non-conductive fluids |
| 07/10/2007 | US7240743 Soil probe insertion arrangement and method of use |
| 07/10/2007 | US7240546 Method and apparatus for downhole detection of CO2 and H2S using resonators coated with CO2 and H2S sorbents |
| 07/10/2007 | CA2254162C Method of borehole compensation of earth formation characteristic measurements using depth measurements |
| 07/05/2007 | WO2007076193A1 Self-contained chromatography system |
| 07/05/2007 | US20070156377 Integrated reservoir optimization |
| 07/05/2007 | US20070151727 Downhole Fluid Communication Apparatus and Method |
| 07/04/2007 | EP1802847A2 Apparatus and method for hard rock sidewall coring of a borehole |
| 06/28/2007 | WO2004083531A3 Soil sampler apparatus and method |
| 06/28/2007 | US20070144249 Testing method and apparatus ground liquefaction and dynamic characteristics in original position utilizing boring hole |
| 06/28/2007 | DE102006059936A1 Probenmodul für ein Werkzeug für das Nehmen von Proben und Verfahren zum Nehmen von Proben Sample module for a tool for the taking of samples and methods for taking samples |
| 06/28/2007 | DE102006059935A1 Verfahren zum Bestimmen einer Eigenschaft von Formationen, die ein Erdbohrloch umgeben A method for determining a property of formations surrounding an earth borehole |
| 06/27/2007 | EP1799959A2 A method and apparatus for storing energy and multiplying force to pressurize a downhole fluid sample |
| 06/27/2007 | CN1987045A Formation evaluation while drilling |
| 06/26/2007 | US7234521 Method and apparatus for pumping quality control through formation rate analysis techniques |
| 06/26/2007 | US7234520 Well jet device for testing and studying formations and the operating method thereof |
| 06/21/2007 | US20070143023 Reservoir Sample Chain-of-Custody |
| 06/21/2007 | US20070137896 Formation evaluation while drilling |
| 06/21/2007 | US20070137894 Method and apparatus for in-situ side-wall core sample analysis |
| 06/21/2007 | US20070137859 Determination of well shut-in time for curing resin-coated proppant particles |
| 06/21/2007 | US20070137293 Downhole measurement of formation characteristics while drilling |
| 06/21/2007 | US20070137291 Tubing expansion |
| 06/21/2007 | CA2634030A1 Method and apparatus for in-situ side-wall core sample analysis |
| 06/20/2007 | EP1798368A2 Side-wall probe assembly |
| 06/20/2007 | CN2913606Y Water holding sensing device for measuring water retention rate |
| 06/19/2007 | US7231819 Chemical sensor for wellbore applications |
| 06/19/2007 | CA2529883A1 Material sample containment system and protocol |
| 06/14/2007 | WO2007067264A2 Determination of well shut-in time for curing resin-coated proppant particles |
| 06/14/2007 | US20070131430 Well jet device for logging horizontal wells and the operating method thereof |
| 06/13/2007 | EP1794413A2 Apparatus and method for wireline imaging in nonconductive muds |
| 06/13/2007 | EP1623090B1 Formation testing apparatus and method for optimizing draw down |
| 06/13/2007 | CN2911178Y High resolution static nature potential logging unit |
| 06/13/2007 | CN1981109A Method and apparatus for performing chemical treatments of exposed geological formations |
| 06/07/2007 | US20070129901 Acoustic fluid analysis method |
| 06/07/2007 | US20070125163 Method for monitoring fluid properties |
| 06/07/2007 | US20070125158 Ball penetrometer for soft soils testing |
| 06/06/2007 | EP1792053A2 A highly-parallel, implicit compositional reservoir simulator for multi-million-cell models |
| 06/06/2007 | EP1792048A1 Remote gas monitoring apparatus for seabed drilling |
| 06/06/2007 | CN2908780Y 原油在线连续式自动取样装置 Crude-line continuous automatic sampling device |
| 06/06/2007 | CN1975107A Oil well automatic continuous sampling device |
| 06/05/2007 | US7227363 Determining formation anisotropy based in part on lateral current flow measurements |