| 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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| 10/13/2005 | US20050223808 Apparatus and methods for acoustically determining fluid properties while sampling |
| 10/13/2005 | DE102005014708A1 Lateraler Resistivitätssensor und Verfahren zum Anbringen eines lateralen Resistivitätssensors an einem Rohrabschnitt Lateral Resistivitätssensor and method for attaching a lateral Resistivitätssensors on a pipe section |
| 10/13/2005 | CA2561256A1 Methods and an apparatus for detecting fracture with significant residual width from previous treatments |
| 10/06/2005 | WO2005048664A3 High temperature circuits |
| 10/06/2005 | US20050222852 Method and an apparatus for detecting fracture with significant residual width from previous treatments |
| 10/06/2005 | US20050218898 [a combined propagation and lateral resistivity downhole tool] |
| 10/06/2005 | US20050217848 Deployment of underground sensors |
| 10/05/2005 | CN2731099Y Theft-proof cutting off sampler for oil well |
| 10/05/2005 | CN2731098Y Inner embedded theft-proof sampler |
| 10/05/2005 | CN1677129A A combined propagation and lateral resistivity downhole tool |
| 10/05/2005 | CN1676875A Oil field geologic logging method |
| 10/04/2005 | US6952096 Method and apparatus for determining speed and properties of flowing fluids using NMR measurements |
| 09/30/2005 | CA2502598A1 Openhole perforating |
| 09/29/2005 | WO2005091204A1 Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data |
| 09/29/2005 | WO2005090942A1 Improved ball penetrometer for soft soils testing |
| 09/29/2005 | WO2005089399A2 A method and apparatus for downhole fluid analysis for reservoir fluid characterization |
| 09/29/2005 | WO2005076124B1 Reservoir evaluation methods |
| 09/29/2005 | US20050216223 Method of evaluating the capillary pressure curve of an underground deposit rocks based on rock cuttings measurements |
| 09/29/2005 | US20050216198 Methods and apparatus for estimating physical parameters of reservoirs using pressure transient fracture injection/falloff test analysis |
| 09/29/2005 | US20050216196 Contamination estimation using fluid analysis models |
| 09/29/2005 | CA2559937A1 A method and apparatus for downhole fluid analysis for reservoir fluid characterization |
| 09/29/2005 | CA2558374A1 Improved ball penetrometer for soft soils testing |
| 09/28/2005 | EP1579188A2 Semipermeable membrane-based sampling systems |
| 09/28/2005 | EP1166055B1 A method of estimating properties of a multi-component fluid using pseudocomponents |
| 09/28/2005 | CN2729720Y Probe of sensor and multipoint investigator |
| 09/27/2005 | US6950750 Method of estimating the gas/oil ratio (GOR) in the fluids of a well during drilling |
| 09/22/2005 | WO2005086699A2 Downhole formation sampling |
| 09/22/2005 | US20050205302 Hydraulic and mechanical noise isolation for improved formation testing |
| 09/22/2005 | US20050205301 Testing of bottomhole samplers using acoustics |
| 09/22/2005 | US20050205256 Method and apparatus for downhole fluid analysis for reservoir fluid characterization |
| 09/22/2005 | CA2558238A1 Downhole formation sampling |
| 09/21/2005 | EP1108114B1 Method and apparatus for anchoring a tool within a cased borehole |
| 09/21/2005 | CN1671946A Method for in-situ analysis of formation parameters |
| 09/21/2005 | CN1670333A Correcting triaxial induction arrays for borehole effect |
| 09/21/2005 | CN1670331A Single arm clamp piston of petroleum exploration device |
| 09/15/2005 | WO2005084332A2 Methods for measuring a formation supercharge pressure |
| 09/15/2005 | WO2005010362A3 Improved method and apparatus for gas displacement well systems |
| 09/15/2005 | US20050199794 Spectral gamma ray logging-while-drilling system |
| 09/15/2005 | US20050199394 Production Profile Determination and Modification System |
| 09/15/2005 | US20050199048 Method for determining the power of a test specimen, measuring device, and power test bench for the test specimen |
| 09/15/2005 | CA2842939A1 Spectral gamma ray logging-while-drilling system |
| 09/15/2005 | CA2842938A1 Spectral gamma ray logging-while-drilling system |
| 09/15/2005 | CA2497355A1 Spectral gamma ray logging-while-drilling system |
| 09/14/2005 | CN2725530Y Antifreezing sampler |
| 09/14/2005 | CN1667243A Stratum parameter test method based on multi-probe |
| 09/13/2005 | US6943697 Reservoir management system and method |
| 09/13/2005 | US6943340 Method and apparatus of providing an optical fiber along a power supply line |
| 09/13/2005 | US6941804 Determining the PVT properties of a hydrocarbon reservoir fluid |
| 09/13/2005 | CA2249432C Method and apparatus using coiled-in-coiled tubing |
| 09/08/2005 | US20050194134 Downhole formation sampling |
| 09/08/2005 | US20050194133 Methods of evaluating undersaturated coalbed methane reservoirs |
| 09/07/2005 | CN2723677Y Array induction imaging logging instrument |
| 09/07/2005 | CN1666009A Method for determining by strata reserve quality of an oil well |
| 09/07/2005 | CN1666008A System for detecting gas in a wellbore during drilling |
| 09/07/2005 | CN1664575A Method for monitoring petroleum reservoir performance by using biomarkers |
| 09/06/2005 | US6939717 Hydrogen sulphide detection method and apparatus |
| 09/06/2005 | US6938691 Portable groundwater sampling system |
| 09/06/2005 | US6938503 Lysimeter apparatus |
| 09/06/2005 | US6938470 Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
| 09/06/2005 | US6938469 Method for determining properties of formation fluids |
| 09/06/2005 | US6938461 Constant-head soil permeameter for determining the hydraulic conductivity of earthen materials at a wide range of depths |
| 09/01/2005 | WO2005080752A1 Smooth draw-down for formation pressure testing |
| 08/31/2005 | CN2721876Y Ground sampling tester of cased well |
| 08/30/2005 | US6935424 Mitigating risk by using fracture mapping to alter formation fracturing process |
| 08/25/2005 | US20050187715 Method for measuring formation properties with a time-limited formation test |
| 08/25/2005 | US20050183861 Liquid sampler |
| 08/25/2005 | US20050183858 Means and method for assessing the geometry of a subterranean fracture during or after a hydraulic fracturing treatment |
| 08/25/2005 | DE102004003481A1 Meßeinrichtung und Bohrvorrichtung für Tiefbohrungen sowie Verfahren zur Messung relevanter Daten bei Tiefbohrungen Measuring device and drilling device for deep drilling and method for measuring relevant data in deep wells |
| 08/24/2005 | CN1657744A Apparatus and method for acquiring information while drilling |
| 08/24/2005 | CN1657743A Method and device for measuring resistivity by device near bit |
| 08/24/2005 | CN1657742A Electromagnetic telemetering method and system of measuring by bit |
| 08/23/2005 | US6932167 Formation testing while drilling data compression |
| 08/18/2005 | WO2005076124A1 Reservoir evaluation methods |
| 08/18/2005 | WO2005075791A1 Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement |
| 08/18/2005 | WO2005074592A2 Reservoir model building methods |
| 08/18/2005 | US20050178562 Method and apparatus for isolating and testing zones during reverse circulation drilling |
| 08/18/2005 | US20050178544 Placing an aqueous polymer in water conduits of production zone of a gas or oil reservoir to form a barrier to shut off or reduce unwanted production of water, through a well-bore tubing; injecting nitrogen or carbon dioxide into formation in to displace water |
| 08/18/2005 | CA2544058A1 Reservoir evaluation methods |
| 08/18/2005 | CA2543801A1 Reservoir model building methods |
| 08/16/2005 | US6928864 Tool assembly and monitoring applications using same |
| 08/11/2005 | WO2005072430A2 Probe isloation seal pad |
| 08/11/2005 | US20050177309 Method and probe for measuring hydraulic conductivity of soil |
| 08/11/2005 | US20050173113 Method for measuring formation properties with a time-limited formation test |
| 08/11/2005 | US20050172710 Method for borehole conductivity profiling |
| 08/11/2005 | US20050172699 Method for forming an optimum stochastic model of a heterogeneous underground zone, calibrated with dynamic data by parametrization of continuous distributions |
| 08/11/2005 | CA2496649A1 Method and apparatus for isolating and testing zones during reverse circulation drilling |
| 08/10/2005 | CN2716505Y Electronic down-hole high pressure physical property sampler |
| 08/09/2005 | US6928399 Method and program for simulating a physical system using object-oriented programming |
| 08/04/2005 | WO2005071224A2 Measuring device and drilling device for deep drillings |
| 08/04/2005 | WO2005071222A1 Real time earth model for collaborative geosteering |
| 08/04/2005 | US20050171699 Method for determining pressure of earth formations |
| 08/04/2005 | US20050171698 Real time earth model for collaborative geosteering |
| 08/04/2005 | US20050167156 Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement |
| 08/04/2005 | US20050167108 Openhole Perforating |
| 08/04/2005 | CA2544711A1 Measuring device and drilling device for deep drillings |
| 08/03/2005 | CN1648410A Method for determining pressure of earth formations |
| 08/03/2005 | CN1648409A Comprehensive logging system and method in petroleum giological survey process |
| 08/02/2005 | US6925392 Method for measuring fluid chemistry in drilling and production operations |
| 08/02/2005 | US6923273 Well system |
| 08/02/2005 | US6923052 Methods to detect formation pressure |