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) |
---|
03/16/2006 | DE10116363B4 Bohrkopf einer Bohreinrichtung, insbesondere Spülbohrkopf einer Flachbohreinrichtung Drill a drilling, in particular a power swivel Flachbohreinrichtung |
03/15/2006 | EP1397661A4 Method and apparatus for downhole fluid characterization using flxural mechanical resonators |
03/15/2006 | EP1153320B1 Focused formation fluid sampling probe |
03/15/2006 | CN1245640C Downhole NMR tool having a programmable pulse sequencer |
03/14/2006 | US7012852 Method, apparatus and system for detecting seismic waves in a borehole |
03/14/2006 | US7011155 Formation testing apparatus and method for optimizing draw down |
03/14/2006 | CA2419813C Apparatus and method for synchronized formation measurement |
03/10/2006 | CA2499013A1 Drilling cutting analyzer system and methods of applications |
03/08/2006 | EP1631732A1 A method and apparatus for an advanced optical analyzer |
03/08/2006 | EP1512152A4 Method and apparatus for mwd formation testing |
03/08/2006 | CN2763511Y Theft-proof oil sampler |
03/08/2006 | CN2763490Y Valve for sampling in bore top for pumping well |
03/08/2006 | CN1743644A Formation evaluation system and method |
03/08/2006 | CA2518477A1 Microfluidic separator |
03/07/2006 | US7008793 Method and device for taking a sample of an emulsion circulating in a line |
03/02/2006 | US20060042793 Apparatus and method for formation evaluation |
03/02/2006 | US20060042791 Tubing running equipment for offshore rig with surface blowout preventer |
03/02/2006 | US20060042370 Determination of correct horizontal and vertical permeabilities in a deviated well |
03/02/2006 | US20060042369 Accuracy of shaly sand formation evaluation |
03/01/2006 | EP1629177A1 Method and apparatus for determining an optimal pumping rate based on a downhole dew point pressure measurement |
03/01/2006 | EP1511914A4 Equalizer valve and method of use |
03/01/2006 | CN1740517A Well logging method and instrument based on HF array electromagnetic wave propagation |
03/01/2006 | CN1740516A Method of predicting deep oil-gas layer based on benzene and toluene abnormality of well drilling back gas |
02/28/2006 | US7006959 Method and system for simulating a hydrocarbon-bearing formation |
02/28/2006 | US7006918 Method for stress and stability related measurements in boreholes |
02/28/2006 | US7004252 Multiple zone testing system |
02/28/2006 | US7004020 Production profile determination and modification system |
02/23/2006 | WO2006020952A2 A highly-parallel, implicit compositional reservoir simulator for multi-million-cell models |
02/23/2006 | US20060037780 Coring tubular and method for reducing contamination and processing speed of a core sample |
02/22/2006 | EP1627298A2 Compositional modeling and pyrolysis data analysis methods |
02/21/2006 | US7002142 Determining dew precipitation and onset pressure in oilfield retrograde condensate |
02/21/2006 | US7000697 Downhole measurement apparatus and technique |
02/16/2006 | WO2005122313A3 Method and apparatus for performing chemical treatments of exposed geological formations |
02/15/2006 | EP1625422A2 Formation-based interpretation of nmr data for carbonate reservoirs |
02/14/2006 | US6998845 Process and device for assessing the permeability of a rock medium |
02/14/2006 | US6997270 Compounds and method for generating a highly efficient membrane in water-based drilling fluids |
02/14/2006 | US6997258 Apparatus and methods for pressure compensated contact with the borehole wall |
02/14/2006 | CA2487186C Method and apparatus for installing electronic equipment below soft earth surface layer |
02/14/2006 | CA2180881C Packer type groundwater sampling system and water sampling method |
02/09/2006 | DE102005030559A1 Vorrichtung und Verfahren zum Charakterisieren einer unterirdischen Formation und Vorrichtung und Verfahren zum Perforieren eines verrohrten Bohrlochs An apparatus and method for characterizing a subterranean formation, and apparatus and methods for perforating a cased borehole |
02/08/2006 | EP1623091A2 A method and apparatus for a downhole micro-sampler |
02/08/2006 | EP1623090A1 Formation testing apparatus and method for optimizing draw down |
02/07/2006 | US6995684 Retrievable subsurface nuclear logging system |
02/07/2006 | US6995360 Method and sensor for monitoring gas in a downhole environment |
02/07/2006 | US6994161 In situ thermal processing of a coal formation with a selected moisture content |
02/07/2006 | US6993963 Method for determining pressure profiles in wellbores, flowlines and pipelines, and use of such method |
02/07/2006 | CA2197962C Apparatus and method for sampling an earth formation through a cased borehole |
02/05/2006 | CA2496228A1 Microgranulometry and methods of applications |
02/02/2006 | WO2006012186A1 Drilling systems and methods utilizing independently deployable multiple tubular strings |
02/02/2006 | US20060021796 Device and method for collecting borehole samples |
02/01/2006 | EP1621724A2 Methods of downhole testing subterranean formations and associated apparatus therefor |
02/01/2006 | EP1620631A1 Continuous data recorder for a downhole sample tank |
02/01/2006 | CN1239809C Method for predetermining subfloor temp |
01/31/2006 | US6992768 Optical fluid analysis signal refinement |
01/26/2006 | WO2006008155A1 Analysis of rock formations by means of laser induced plasma spectroscopy |
01/26/2006 | WO2005089399A3 A method and apparatus for downhole fluid analysis for reservoir fluid characterization |
01/26/2006 | US20060020438 Method and system for simulating a hydrocarbon-bearing formation |
01/26/2006 | US20060016595 Downhole Measurement System and Method |
01/26/2006 | US20060016594 Methods to detect formation pressure |
01/26/2006 | DE102005029349A1 Drahtleitungsgebundene Anordnung, Verfahren zum Beurteilen einer unterirdischen Formation, Bohrloch-Werkzeug und Verfahren zur Probennahme in einem Bohrloch Conducted wire assembly method for evaluating a subterranean formation downhole tool and method for sampling in a borehole |
01/26/2006 | CA2574867A1 Analysis of rock formations by means of laser induced plasma spectroscopy |
01/26/2006 | CA2574479A1 Method and apparatus for estimating a permeability distribution during a well test |
01/25/2006 | EP1619520A1 Method and apparatus for estimating a permeability distribution during a well test |
01/25/2006 | EP1618284A2 Device for analysing at least one gas contained in a liquid, particularly bore fluid |
01/25/2006 | CN2753881Y Electronic-sensing type well-diameter micro electrode combined logging instrument |
01/24/2006 | US6988566 Acoustic position measurement system for well bore formation |
01/24/2006 | US6988547 Method and system of fluid analysis and control in hydrocarbon well |
01/24/2006 | US6988417 Displacement and force sensor |
01/24/2006 | CA2180883C Hydraulic test system mounted with borehole television set for simultaneous observation in front and lateral directions |
01/21/2006 | CA2671526A1 Controlling transient pressure conditions in a wellbore |
01/21/2006 | CA2671521A1 Controlling transient pressure conditions in a wellbore |
01/19/2006 | WO2006005555A1 Sensor system |
01/19/2006 | CA2572999A1 Sensor system |
01/18/2006 | CN1721654A Downhole formation testing tool |
01/17/2006 | US6986292 Method for determining the power of a test specimen and power test bench for the test specimen |
01/17/2006 | US6986282 Method and apparatus for determining downhole pressures during a drilling operation |
01/12/2006 | WO2005072430A3 Probe isloation seal pad |
01/12/2006 | US20060008913 Microfluidic separator |
01/12/2006 | US20060005965 Sensor system |
01/11/2006 | EP1502005A4 Method and apparatus for determining drill string movement mode |
01/11/2006 | EP1502004A4 System and method for interpreting drilling data |
01/11/2006 | EP1502003A4 Method for improving drilling depth measurements |
01/11/2006 | EP1012443B1 Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
01/11/2006 | CN1719000A Lithology density well logging instrument |
01/10/2006 | US6983803 Equalizer valve and associated method for sealing a fluid flow |
01/10/2006 | CA2361879C Sample chamber with dead volume flushing |
01/10/2006 | CA2278933C Tool and method for drilling a lateral well |
01/10/2006 | CA2247332C Downhole core sampling and testing apparatus |
01/05/2006 | WO2006002223A1 Drilling wellbores with optimal physical drill string conditions |
01/05/2006 | WO2006001734A1 Ejector multipurpose formation tester for horizontal wells and the operating method thereof |
01/05/2006 | US20060000606 Apparatus and method for characterizing a reservoir |
01/05/2006 | US20060000603 Formation evaluation system and method |
01/04/2006 | CN1715614A Apparatus and method for characterizing a reservoir |
12/29/2005 | US20050284666 Geosynthetic composite for borehole strengthening |
12/29/2005 | US20050284661 Method and system for predicting performance of a drilling system for a given formation |
12/29/2005 | US20050284629 Downhole formation testing tool |
12/29/2005 | DE102005024628A1 Verfahren zum Bestimmen einer Eigenschaft einer Formationsflüssigkeit sowie ein NMR-Sensor hierfür A method for determining a property of a formation fluid and a NMR sensor for this purpose |
12/29/2005 | CA2794316A1 Methods and apparatus for measuring streaming potentials and determining earth formation characteristics |
12/29/2005 | CA2793786A1 Methods and apparatus for measuring streaming potentials and determining earth formation characteristics |
12/28/2005 | EP1608844A2 Formation testing and sampling apparatus and methods |