| 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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| 03/05/2015 | WO2015031606A1 Downhole fluid analysis methods for determining compressibility |
| 03/05/2015 | WO2015030990A2 Three-dimensional reservoir pressure determination using real time pressure data from downhole gauges |
| 03/05/2015 | WO2015030808A1 Lwd resistivity imaging tool with adjustable sensor pads |
| 03/05/2015 | WO2015030790A1 Automating downhole drilling using wellbore profile energy and shape |
| 03/05/2015 | WO2015030781A1 Systems and methods for casing detection using resonant structures |
| 03/05/2015 | WO2015030780A1 Analyzing subsurface material properties using a laser vibrometer |
| 03/05/2015 | WO2015030755A1 System for tracking and sampling wellbore cuttings using rfid tags |
| 03/05/2015 | WO2015030708A1 In-situ conversion process for oil shale |
| 03/05/2015 | US20150066373 Three-dimensional reservoir pressure determination using real time pressure data from downhole gauges |
| 03/05/2015 | US20150066371 Integrated Oilfield Decision Making System and Method |
| 03/05/2015 | US20150061684 Borehole electric field survey with improved discrimination of subsurface features |
| 03/05/2015 | US20150060143 Remotely controlled apparatus for downhole applications and methods of operation |
| 03/05/2015 | US20150060142 Mechanical core jam indicator for coring tools, coring tools including such core jam indicators, and related methods |
| 03/05/2015 | US20150060054 Modeling and Production of Tight Hydrocarbon Reservoirs |
| 03/05/2015 | US20150060053 Method for adaptive optimizing of heterogeneous proppant placement under uncertainty |
| 03/04/2015 | EP2841921A1 Methods for optically determining a characteristic of a subsbstance |
| 03/04/2015 | EP2841920A1 Devices for optically determining a characteristic of a substance |
| 03/03/2015 | US8970093 Piezoelectric transducer for measuring fluid properties |
| 03/03/2015 | US8967256 Wellbore perforation tool |
| 03/03/2015 | US8967253 Pump control for formation testing |
| 03/03/2015 | US8967249 Reservoir and completion quality assessment in unconventional (shale gas) wells without logs or core |
| 03/03/2015 | US8967242 Auxiliary flow line filter for sampling probe |
| 03/03/2015 | US8967186 Fluid spill containment, location, and real time notification device and system |
| 03/03/2015 | US8966969 Automated analysis of pressurized reservoir fluids |
| 02/26/2015 | WO2015026743A1 System for integrated marine and process simulation |
| 02/26/2015 | WO2015026555A1 Dielectric spectroscopy for filtrate contamination monitoring during formation testing |
| 02/26/2015 | WO2015026394A1 On-site mass spectrometry for liquid and extracted gas analysis of drilling fluids |
| 02/26/2015 | WO2015026361A1 Drilling fluid analysis using time-of-flight mass spectrometry |
| 02/26/2015 | WO2015026317A1 Evaluating wellbore telemetry systems |
| 02/26/2015 | WO2015024352A1 Integral gas spring assembly and formation fluid sampler |
| 02/26/2015 | US20150057935 Modified flow rate analysis |
| 02/26/2015 | US20150054512 Dielectric spectroscopy for filtrate contamination monitoring during formation testing |
| 02/26/2015 | US20150053484 Hole enlargement drilling device and methods for using same |
| 02/26/2015 | US20150053481 Kinetic penetrator with a retrieval tether |
| 02/26/2015 | US20150053480 Kinetic penetrator beacons for multistatic geophysical sensing |
| 02/26/2015 | US20150053400 Apparatus and method for mixing fluids |
| 02/26/2015 | US20150053399 Systems and methods for cleaning a well face during formation testing operations |
| 02/26/2015 | US20150052988 Apparatus for single degree of freedom inertial measurement unit platform rate isolation |
| 02/25/2015 | EP2839321A2 System and method for calibrating permeability for use in reservoir modeling |
| 02/25/2015 | EP2839113A1 Determining a limit of failure in a wellbore wall |
| 02/24/2015 | US8965703 Applications based on fluid properties measured downhole |
| 02/24/2015 | US8960294 Methods for monitoring fluids within or produced from a subterranean formation during fracturing operations using opticoanalytical devices |
| 02/24/2015 | US8959991 Method for estimating properties of a subterranean formation |
| 02/24/2015 | CA2777900C A system for testing cement |
| 02/19/2015 | WO2015023917A1 Capillary electrophoresis for subterranean applications |
| 02/19/2015 | WO2015023255A1 Systems and methods for spread spectrum distributed acoustic sensor monitoring |
| 02/19/2015 | WO2015023185A1 Real time mud monitoring |
| 02/19/2015 | US20150051838 System and method of determining and optimizing waterflood performance |
| 02/19/2015 | US20150047903 Analysis of geological objects |
| 02/19/2015 | US20150047836 Combination power source for a magnetic ranging system |
| 02/19/2015 | US20150047825 Stripper device with retrieval mounting portion and method of use |
| 02/17/2015 | US8955918 Method and apparatus for increasing the yield in a deposit |
| 02/17/2015 | US8955917 Method and apparatus for increasing the yield in a deposit |
| 02/17/2015 | US8955401 Vehicle-mounted soil sampling apparatus |
| 02/17/2015 | US8955376 Formation fluid sampling control |
| 02/17/2015 | US8955375 System and method for sampling and analyzing downhole formation fluids |
| 02/17/2015 | CA2740409C Isolation system for drilling systems |
| 02/12/2015 | WO2015021088A1 Methods for determining a saturation-height function in oil and gas reservoirs |
| 02/12/2015 | WO2015020735A1 Method and apparatus for quantitative measurement of hydrocarbon production with fluid imbibition |
| 02/12/2015 | WO2015020672A1 Regression relationship approaches |
| 02/12/2015 | US20150046091 System and method of determining a value indicative of hydrogen index |
| 02/11/2015 | EP2834621A1 Visualizing polynuclear aromatic hydrocarbons within the near infrared spectrum |
| 02/11/2015 | CN204152507U 一种声波测井换能器 One kind of sonic transducer |
| 02/11/2015 | CN204152506U 一种地层测试用高负载旋转头 One kind of formation testing with high load swivel head |
| 02/11/2015 | CN204152503U 一种煤矿井下随钻方位伽马测井仪器 One kind of coal mine drilling azimuth gamma logging equipment |
| 02/11/2015 | CN104350233A 使用标准化的差分数据的地层体积评价 Formation volume evaluation using standardized difference data |
| 02/11/2015 | CN104343447A 利用多级封隔器的试样采集方法及装置 Multi-stage packer sample collection method and apparatus |
| 02/11/2015 | CN104343446A 一种微生物结皮土壤柱的取样装置和方法 A microbial crusts sampling devices and methods of soil column |
| 02/11/2015 | CN104343445A 识别气层与水层、高气油比储层及含气饱和度的方法 Recognition gas reservoir and the water layer, high GOR reservoirs and gas saturation method |
| 02/11/2015 | CN104343444A 一种分时驱动的侧向测井方法及装置 A lateral logging method and apparatus for sequentially driven |
| 02/11/2015 | CN104343443A 三维阵列感应测井仪器中消除直接耦合信号的方法 Dimensional array induction logging tool to eliminate the direct coupling of the signal method |
| 02/11/2015 | CN104343442A 低渗透及致密油藏不依赖径向流的有效渗透率确定方法 Low permeability reservoirs and dense radial flow does not depend on the method of determining the effective permeability |
| 02/11/2015 | CN104343434A 防止探针棒在钻孔的内部卡合的装置及方法 Apparatus and method for preventing the probe rods fit inside the bore of the card |
| 02/11/2015 | CN102606135B 用于钻井筒中返出固相颗粒质量流量的检测系统及检测方法 For drilling the barrel back to a solid phase detection system and method for detecting particle mass flow |
| 02/10/2015 | US8950484 Formation tester tool assembly and method of use |
| 02/10/2015 | US8950252 High pressure rock core testing |
| 02/10/2015 | US8950251 Tracer method to estimate rates of methane generation through augmentation or biostimulation of the sub-surface |
| 02/10/2015 | CA2638595C Methods for determining in situ the viscosity of heavy oil |
| 02/05/2015 | WO2015017190A2 Dynamic in-situ measurement of reservoir wettability |
| 02/05/2015 | WO2015016928A1 Receiving and measuring expelled gas from a core sample |
| 02/05/2015 | WO2015014800A1 Method of determining well productivity along a section of a wellbore |
| 02/05/2015 | US20150039235 Permeability prediction systems and methods using quadratic discriminant analysis |
| 02/05/2015 | US20150039233 Method for near real time surface logging of a hydrocarbon or geothermal well using a mass spectrometer |
| 02/05/2015 | US20150039230 Downhole formation testing with automation and optimization |
| 02/05/2015 | US20150034309 Oil and Gas Fracture Liquid Tracing Using DNA |
| 02/05/2015 | US20150034307 Dynamic in-situ measurement of reservoir wettability |
| 02/05/2015 | US20150034305 Acoustic Coupling of Electrical Power and Data between Downhole Devices |
| 02/05/2015 | US20150033842 In-Situ Scour Testing Device |
| 02/04/2015 | EP2831374A1 Method and apparatus for formation testing and sampling when performing subterranean operations |
| 02/04/2015 | EP2831373A1 Method and device for subsea sampling |
| 02/04/2015 | CN204140061U 一种油井混合液缓冲式取样装置 Buffered mixture of a hydrocarbon well sampling device |
| 02/04/2015 | CN204140054U 一种阵列声波换能器 An arrayed acoustic transducer |
| 02/04/2015 | CN104329086A 具有导电罩的井下流体传感器及其使用方法 Downhole fluid sensor and use a conductive shield |
| 02/04/2015 | CN104329085A 页岩气开采过程中组分监测系统 Shale gas extraction process monitoring system components |
| 02/04/2015 | CN104329084A 土壤环刀取样器 Soil samplers cutting ring |
| 02/04/2015 | CN104329083A 一种推靠坐封装置 Kind of sidewall packer device |
| 02/04/2015 | CN104329082A 一种高渗稠油油藏聚合物驱早期注聚转注时机的确定方法 A heavy oil reservoir permeability of polymer flooding method for determining the early transfer of polymer injection injection timing |
| 02/04/2015 | CN104329081A 一种计算油田注水开发后期地层电阻率的方法 An oilfield waterflood late formation resistivity method of calculating |
| 02/04/2015 | CN104329080A 一种碳酸盐岩储层孔洞空间双侧向测井半定量评价方法 A carbonate reservoir pore space laterolog semi-quantitative evaluation methods |
| 02/04/2015 | CN104329079A 一种识别气测录井油气层的方法以及系统 A method for identifying reservoir gas logging method and system |