| 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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| 09/17/2009 | WO2009114508A2 Data gathering, transmission, integration and interpretation during coiled tubing well testing operations |
| 09/17/2009 | WO2009114445A1 Subsea well production |
| 09/17/2009 | WO2009114234A2 Visualization techniques for oilfield operations |
| 09/17/2009 | WO2009112747A1 Device for measuring the concentration of sulphide ions in a fluid from a well, and associated equipment |
| 09/17/2009 | WO2009085615A3 Borehole imaging and orientation of downhole tools |
| 09/17/2009 | WO2009067021A3 Method and device for determination of fluid inflow to a well |
| 09/17/2009 | US20090229884 Detachable latch head for core drilling |
| 09/17/2009 | US20090229819 Visualization techniques for oilfield operations |
| 09/16/2009 | EP2100218A2 Modeling and management of reservoir systems with material balance groups |
| 09/16/2009 | CN201310356Y Cover plate lithology density sensor |
| 09/16/2009 | CN201310355Y Carbonate content analyzer |
| 09/16/2009 | CN101532385A Method and device for extracting high-viscosity formation fluid sample |
| 09/16/2009 | CN101532384A Continuous measuring moisture content meter by underground low-frequency dielectric method |
| 09/14/2009 | CA2657715A1 Providing a simplified subterranean model |
| 09/10/2009 | US20090223681 Zone isolation assembly for isolating a fluid zone in an existing subsurface well |
| 09/10/2009 | US20090223664 On-the-Fly Acid Blender with Sampling Equipment |
| 09/09/2009 | CN101526551A Method for calculating spiral flow velocity of Newtonian fluid eccentric annuli |
| 09/09/2009 | CN101526489A Method for detecting contents of paraffin and asphaltene in oil |
| 09/09/2009 | CN100538005C Equipment and method for defining drilling mode and using optimized formation to make assess measurement |
| 09/08/2009 | US7584786 Apparatus and method for formation evaluation |
| 09/08/2009 | US7584655 Formation tester tool seal pad |
| 09/03/2009 | WO2009108876A2 Acoustic modified nmr (amnmr) |
| 09/03/2009 | WO2009108254A2 Apparatus and method for sampling downhole fluids |
| 09/03/2009 | WO2009090460A3 Method for calculating the ratio of relative permeabilities of formation fluids and wettability of a formation downhole, and a formation testing tool to implement the same |
| 09/03/2009 | US20090218142 Method and system for helicopter portable drilling |
| 09/03/2009 | US20090218098 Methods Of Using A Particle Impact Drilling System For Removing Near-Borehole Damage, Milling Objects In A Wellbore, Under Reaming, Coring, Perforating, Assisting Annular Flow, And Associated Methods |
| 09/03/2009 | US20090218094 Live Bottom Hole Pressure for Perforation/Fracturing Operations |
| 09/03/2009 | CA2715725A1 Monitoring of reservoir fluid moving along flow pathways in a producing oil field using passive seismic emissions |
| 09/02/2009 | CN201301710Y Oil well high-tension blowout-prevention anti-falling choke-plug |
| 09/02/2009 | CN201301709Y Arbitrary cross-section testing device of drill cores |
| 09/02/2009 | CN201301708Y Simulation detection connector of side electrode array |
| 09/02/2009 | CN201301707Y A shell mounting device for induction logging tool |
| 09/02/2009 | CN101519962A Valve sleeve shifting tool for diagnosis |
| 09/02/2009 | CN101519958A Optical turning device |
| 09/01/2009 | US7584086 Characterizing connectivity in reservoir models using paths of least resistance |
| 09/01/2009 | US7581440 Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation |
| 09/01/2009 | CA2554261C Probe isolation seal pad |
| 08/27/2009 | WO2009105241A1 Methods and systems for ground and surface water sampling and analysis |
| 08/27/2009 | US20090211756 Formation tester with low flowline volume |
| 08/27/2009 | US20090211752 Method and apparatus for sampling formation fluids |
| 08/27/2009 | CA2655161A1 Analyzing dynamic performance of reservoir development system based on thermal transient data |
| 08/26/2009 | EP2092161A1 Apparatus and methods for sidewall percussion coring using a voltage activated igniter |
| 08/26/2009 | EP2092156A2 Casing expansion and formation compression for permeability plane orientation |
| 08/26/2009 | CN201297172Y Multifunctional sampling apparatus of oil well and operations tools of the same |
| 08/26/2009 | CN201297168Y A petroleum well logging field ground system adaptive signal processing circuit |
| 08/26/2009 | CN201297166Y Movable multifunctional hydraulic test system |
| 08/26/2009 | CN201297165Y Cased well data acquisition imaging ground system |
| 08/26/2009 | CN101514624A Embedded oilwell parameter real-time acquisition system |
| 08/26/2009 | CN101514614A Dry ice sublimation hole bottom refrigerating and pressure keeping sampler and sampling method |
| 08/26/2009 | CN100533111C Coal slurry reactant sampling device |
| 08/26/2009 | CN100532783C Stratum pressure recognition method by abnormal fluid immersing into well bore |
| 08/25/2009 | CA2465926C A traction apparatus |
| 08/25/2009 | CA2435089C Measuring the in situ static formation temperature |
| 08/20/2009 | WO2009102846A2 Nmr echo train compression |
| 08/20/2009 | WO2009102526A2 Methods for the identification of bubble point pressure |
| 08/20/2009 | WO2009101265A1 Method and apparatus for intensifying ore prospecting |
| 08/20/2009 | WO2009101264A1 Method of preparing an ore sample and an ore sample |
| 08/20/2009 | WO2009048768A4 Modular connector and method |
| 08/20/2009 | US20090205819 Well Modeling Associated With Extraction of Hydrocarbons From Subsurface Formations |
| 08/20/2009 | CA2718226A1 Nmr echo train compression |
| 08/19/2009 | CN201292848Y Novel oil well anti-theft sampler |
| 08/19/2009 | CN201292840Y Assembly for co-operating perforation and formation test |
| 08/19/2009 | CN201292839Y Integration annular space test instrument |
| 08/19/2009 | CN201292835Y Single-driving and double-receiving four-arm well diameter, microsphere and micro-electrode eccentering device |
| 08/19/2009 | CN201292822Y High-pressure well washing system device for injection well |
| 08/19/2009 | CN101509367A Oil reservoir development simulation system, upper-coated pressure system and data processing method thereof |
| 08/19/2009 | CA2654613A1 Drilling cutting analyzer system and methods of applications |
| 08/18/2009 | US7575681 Microfluidic separator |
| 08/13/2009 | WO2009099945A2 Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods |
| 08/13/2009 | WO2009099930A1 Method and apparatus to facilitate formation sampling |
| 08/13/2009 | WO2009076149A3 Systems and methods for utilizing cell based flow simulation results to calculate streamline trajectories |
| 08/13/2009 | US20090200016 Method and apparatus to facilitate formation sampling |
| 08/13/2009 | US20090199630 Fiber optic sensor system using white light interferometery |
| 08/13/2009 | CA2714501A1 Method and apparatus to facilitate formation sampling |
| 08/12/2009 | CN201289478Y Physical simulation device for visualization of acid liquor flow reaction in acid pressing gap |
| 08/12/2009 | CN201288550Y Crude oil on-line automatic sampling apparatus |
| 08/12/2009 | CN201288549Y Digital focus array induction well measurement instrument |
| 08/12/2009 | CN201288546Y Dual lateral direction anti-scratching electrode ring for horizontal well |
| 08/12/2009 | CN100526602C Complicated fault block fluvial facies reservoir oil water well using situation split system |
| 08/12/2009 | CA2649483A1 Refined analytical model for formation parameter calculation |
| 08/11/2009 | US7571644 Characterizing a reservoir in connection with drilling operations |
| 08/11/2009 | CA2434658C Determining the viscosity of a hydrocarbon reservoir fluid |
| 08/06/2009 | WO2009097189A1 Well thermal insulation for formation sampling of viscous fluids |
| 08/06/2009 | US20090194279 Downhole sampling tool and method for using same |
| 08/06/2009 | US20090193884 Mobile vacuum sampling system |
| 08/05/2009 | EP1511917B1 Method and apparatus for a high resolution downhole spectrometer |
| 08/05/2009 | CN101501299A A method and apparatus for elemental analysis of a fluid downhole |
| 08/05/2009 | CN101501298A Methods and devices for analyzing and controlling the propagation of waves in a borehole generated by water hammer |
| 08/05/2009 | CN101499330A 电缆 Cable |
| 08/05/2009 | CN101498698A Heat switch used for chromatogram system and its operation method |
| 08/05/2009 | CN101498215A Enhanced downhole fluid analysis |
| 08/05/2009 | CN100523431C Method for simulating oil-water two-phase cable formation testing |
| 08/04/2009 | US7568521 Wellbore formation evaluation system and method |
| 07/30/2009 | WO2009094410A2 Formation tester with low flowline volume |
| 07/30/2009 | WO2009094351A2 Apparatus and method for determining fluid properties |
| 07/30/2009 | WO2009093105A1 Methods and apparatus for analysis of downhole compositional gradients and applications thereof |
| 07/30/2009 | US20090188668 Apparatus and method for determining fluid properties |
| 07/30/2009 | US20090188665 Monitoring of Downhole Parameters and Tools Utilizing Fiber Optics |
| 07/30/2009 | CA2713396A1 Formation tester with fluid mobility enhancement to enable use of a low volume flow line for fluid sample collection and method of use thereof |
| 07/30/2009 | CA2712798A1 Methods and apparatus for analysis of downhole compositional gradients and applications thereof |