| 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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| 02/12/2014 | CN102312671B Method capable of fast explaining and evaluating reservoir fluid properties |
| 02/11/2014 | US8646526 Method and system for increasing production of a reservoir using lateral wells |
| 02/11/2014 | CA2731655C Flow-through apparatus for testing particle laden fluids and methods of making and using same |
| 02/06/2014 | WO2014022757A1 Method and apparatus for simultaneous estimation of quantitative mineralogy, kerogen content and maturity in gas shales and oil-bearing shales using vibrational spectroscopy |
| 02/06/2014 | WO2014022141A1 Apparatus and method for representative fluid sampling |
| 02/06/2014 | WO2014021899A1 Method and apparatus for remote zonal stimulation with fluid loss device |
| 02/06/2014 | US20140033816 Multi-Phase Region Analysis Method And Apparatus |
| 02/05/2014 | CN203420706U Simulation experiment set of variable angle horizontal well |
| 02/05/2014 | CN203420703U High-temperature high-pressure steam injection two-dimensional physical simulation experiment device and system |
| 02/05/2014 | CN103562120A Systems and methods for limiting winch overrun |
| 02/05/2014 | CN103556994A Experimental detecting system and detecting method for distribution of remaining oil in fracture-cavity reservoir bed |
| 02/05/2014 | CN103556993A Simulation experimental analog method for low permeability oilfield planar five-spot well pattern carbon dioxide flooding |
| 02/05/2014 | CN103556992A Optical fiber grating ground stress obtaining method |
| 02/05/2014 | CN103556977A Multilayer separate injection string passability analysis method |
| 02/04/2014 | US8640773 Method of tracing flow of hydrocarbon from a subterranean reservoir |
| 02/04/2014 | CA2560100C Apparatus and methods for acoustically determining fluid properties while sampling |
| 01/30/2014 | WO2014018002A1 Method and apparatus for analyzing multiphase fluid flow using a multivariate optical element calculation device |
| 01/30/2014 | WO2014015372A1 Down-hole monitoring and survey system |
| 01/30/2014 | WO2014015362A1 Apparatus and method for subsea testing |
| 01/30/2014 | US20140027112 Systems and methods for measuring parameters of a formation |
| 01/30/2014 | US20140027105 Apparatus and method for representative fluid sampling |
| 01/30/2014 | DE102012106855A1 Method for removal of sample e.g. cement grout from soil, involves forming recess at hollow pipe to allow ingress of sample into inner space of hollow pipe, and closing recess to withdraw hollow pipe from soil for removal of sample |
| 01/30/2014 | DE102008043886B4 Vorrichtung zum Bearbeiten und Verfahren zum Bestimmen eines Lockergesteins Apparatus for processing and method for determining a loose rock |
| 01/29/2014 | CN203412579U Underground floating piston high-pressure physical property sampling device |
| 01/29/2014 | CN203412578U Heterogeneous physical model between oil layers |
| 01/29/2014 | CN203412577U Lead screw clamp for tower type electric degasser |
| 01/29/2014 | CN203412576U Two-dimensional visible tablet model experimental device |
| 01/29/2014 | CN103541730A Fluid expulsion saturating device for large-size physical model and displacement experiment system thereof |
| 01/29/2014 | CN103541727A Deepwater shallow layer fracture pressure computing technology |
| 01/29/2014 | CN103541723A Method for diagnosing working conditions of rod-pumped well in real time based on change of area of ground indicator diagram |
| 01/29/2014 | CN102182453B Borehole wall sloughing analysis method |
| 01/29/2014 | CN102124185B Systems and methods for utilizing cell based flow simulation results to calculate streamline trajectories |
| 01/28/2014 | US8636064 Formation evaluation while drilling |
| 01/28/2014 | US8635907 Real-time completion monitoring with acoustic waves |
| 01/28/2014 | CA2673768C Method and apparatus for determination of gas in place |
| 01/28/2014 | CA2654730C Method and system for designing and optimizing drilling and completion operations in hydrocarbon reservoirs |
| 01/28/2014 | CA2646770C Time-lapsed diffusivity logging for monitoring enhanced oil recovery |
| 01/28/2014 | CA2640727C Methods, systems, and computer-readable media for real-time oil and gas field production optimization using a proxy simulator |
| 01/28/2014 | CA2529170C Pump controlled formation fluid sampling probe with concentric sample tubes |
| 01/23/2014 | WO2014014587A2 Capillary electrophoresis for reservoir fluid analysis at wellsite and laboratory |
| 01/23/2014 | US20140025301 Determination of subsurface properties of a well |
| 01/23/2014 | US20140020954 Apparatus and methods for lithology and mineralogy determinations |
| 01/23/2014 | US20140020890 Sampling Assembly For A Single Packer |
| 01/23/2014 | CA2874870A1 Capillary electrophoresis for reservoir fluid analysis at wellsite and laboratory |
| 01/22/2014 | EP2686520A2 Measuring gas losses at a rig surface circulation system |
| 01/22/2014 | CN203403878U Nitrogen-charging steel-ball needle valve in test valve |
| 01/22/2014 | CN103534438A Apparatus for a fluid transport pipeline, related method and system |
| 01/22/2014 | CN103527187A Frozen ore sampling drilling tool |
| 01/22/2014 | CN103527186A Method for evaluating CO2 geological storage body |
| 01/22/2014 | CN103527185A Horizontal-well physical simulation experiment device and experimental method thereof |
| 01/22/2014 | CN103527184A Method and system for predicting dolomite reservoir |
| 01/22/2014 | CN103527183A Lateral logger |
| 01/22/2014 | CN103527182A Experimental device for steam assisted gravity drainage driving vertical differentiation of heavy oil |
| 01/22/2014 | CN103527181A Method and instrument for controllable source neutron logging during drilling |
| 01/22/2014 | CN103527172A Method for calculating water saturation through variable rock electivity coupling index |
| 01/22/2014 | CN102322259B Automatic degasser for comprehensive petroleum geological logging |
| 01/16/2014 | WO2014011968A1 Pump noise reduction and cancellation |
| 01/16/2014 | WO2013162841A3 Multi-fluid injector core holder |
| 01/16/2014 | US20140014331 Method and tool for evaluating a geological formation |
| 01/15/2014 | EP2683913A2 Check valve assembly for well stimulation operations |
| 01/15/2014 | CN203394525U Oil well head multifunctional sealed sampling device |
| 01/15/2014 | CN203394524U Convergence gauge fixing device in frozen soil |
| 01/15/2014 | CN203394523U FDT (fractional distillation tube) module type formation tester probe |
| 01/15/2014 | CN203394509U Flow detection system for comprehensive logging instrument |
| 01/15/2014 | CN103510952A Rock debris and lithology combined type identification method for carbonate rocks |
| 01/15/2014 | CN103510951A Method for locating and installing deep soft rock geostatic stress testing device |
| 01/15/2014 | CN103510950A Complex-structural well formation flow and internal flow coupled flow experiment system |
| 01/15/2014 | CN103510949A Directional drill hole profile measurement and detection system and method |
| 01/15/2014 | CN103510948A Test method for predicting well wall stability of gas drilling in brittle rock |
| 01/15/2014 | CN103510947A Beach bar sandstone microfacies recognition mode establishment method and application of beach bar sandstone microfacies recognition mode in microfacies recognition |
| 01/15/2014 | CN103510946A Method for evaluating reservoir fluid property through gas logging data |
| 01/15/2014 | CN103510905A Underground stratification testing sampling instrument variable-diameter packing structure |
| 01/15/2014 | CN102296950B Hydraulic shearing type sampling drilling tool |
| 01/15/2014 | CN102253069B Method and device for determining permeability according to nuclear magnetic resonance T2 spectrum |
| 01/15/2014 | CN102071931B Eight-arm omnibearing three-dimensional lateral logging method and logging instrument |
| 01/15/2014 | CN102042010B Method for determining development position of fractured-vuggy carbonate reservoir |
| 01/14/2014 | CA2679415C Rock core logging |
| 01/09/2014 | WO2014007799A1 Controlling formation tester probe extension force |
| 01/09/2014 | WO2014007796A1 Angular position sensor with magnetometer |
| 01/09/2014 | WO2014006208A1 System and use thereof for determining an in-situ pollutant reduction potential of soils at contaminated sites and method for determining an in- situ pollutant reduction potential while avoiding contamination of adjacent layers of soil |
| 01/09/2014 | WO2014005420A1 Combined string for straddle test and bit perforation |
| 01/09/2014 | US20140008061 Packer Assembly With Sealing Bodies |
| 01/09/2014 | US20140008060 Flexibility of downhole fluid analyzer pump module |
| 01/09/2014 | US20140008053 Fixture structure for reusing underground micro-seismic sensor |
| 01/09/2014 | CA2877706A1 Controlling formation tester probe extension force |
| 01/09/2014 | CA2877687A1 Angular position sensor with magnetometer |
| 01/08/2014 | EP2681412A2 Dispersing separated hydrocarbon gas into separated oil during surface well testing for improved oil mobility |
| 01/08/2014 | CN203383817U Water sample extraction device for oil field interwell tracer technology |
| 01/08/2014 | CN203383816U Buckle type cutting ring soil sampler |
| 01/08/2014 | CN203383815U Stretchable detector of wall of hole of drill hole |
| 01/08/2014 | CN103502779A Apparatus and method for measuring the flow-rate of different fluids present in multiphase streams |
| 01/08/2014 | CN103498670A Method and device for horizontal well geological predication |
| 01/08/2014 | CN103498669A Quantitative determination method of interbedded cross flows of heterogeneous rock core models |
| 01/08/2014 | CN103498668A Three-dimensional physical simulation experiment device |
| 01/08/2014 | CN103498661A Method for determining oil deposit high pressure physical property parameters |
| 01/08/2014 | CN103498660A Single-well water-containing-rate remote metering device and transmission method of single-well water-containing-rate data |
| 01/08/2014 | CN103498648A Method and device for exploiting aquo-complex through combination of pressure reducing technology and hydraulic fracturing technology |
| 01/08/2014 | CN102734511B Core pushing control valve |
| 01/08/2014 | CN102094628B LaBr3(Ce) crystal-based multi-channel gamma energy spectrum logging instrument |
| 01/08/2014 | CN101479442B Testing process for zero emission hydrocarbon wells |