| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 02/05/2015 | WO2015016917A1 Rotational wellbore ranging |
| 02/05/2015 | WO2015016911A1 Wellbore servicing materials and methods of making and using same |
| 02/05/2015 | WO2015016859A1 Selective magnetic positioning tool |
| 02/05/2015 | WO2015016858A1 Selective magnetic positioning tool |
| 02/05/2015 | WO2015016811A1 Tool casing detection |
| 02/05/2015 | WO2014089490A9 Drilling parallel wells for sagd and relief |
| 02/05/2015 | US20150039276 Systems and Methods for Estimating Fluid Breakthrough Times at Producing Well Locations |
| 02/05/2015 | US20150039235 Permeability prediction systems and methods using quadratic discriminant analysis |
| 02/05/2015 | US20150039230 Downhole formation testing with automation and optimization |
| 02/05/2015 | US20150035529 Nuclear Magnetic Resonance Tool With External Magnets |
| 02/05/2015 | US20150034386 Fluidic Modulators and Along String Systems |
| 02/05/2015 | US20150034385 Moveable Element to Create Pressure Signals in A Fluidic Modulator |
| 02/05/2015 | US20150034326 System and Method for Managing Heave Pressure from a Floating Rig |
| 02/05/2015 | US20150034312 Magnetic Latching Device For Downhole Wellbore Intercept Operations |
| 02/05/2015 | US20150034311 Apparatus And Method Of Concentric Cement Bonding Operations Before And After Cementation |
| 02/05/2015 | US20150034310 Compounds, compositions and methods for enhancing oil recovery |
| 02/05/2015 | US20150034308 Oil and Gas Fracture Liquid Tracing with Oligonucleotides |
| 02/05/2015 | US20150034307 Dynamic in-situ measurement of reservoir wettability |
| 02/05/2015 | US20150034306 Method and system for determining relative depth of an acoustic event within a wellbore |
| 02/05/2015 | US20150034294 Submersible Electrical Machine and Method |
| 02/05/2015 | US20150033841 Systems and methods for pressure and temperature measurement |
| 02/04/2015 | EP2831645A1 Electromagnetic method for obtaining dip azimuth angle |
| 02/04/2015 | EP2831644A1 Anisotropy processing in low angle wells |
| 02/04/2015 | EP2831372A2 System and method for measurement incorporating a crystal resonator |
| 02/04/2015 | EP2831371A2 System and method for measurement incorporating a crystal resonator |
| 02/04/2015 | CN204140060U 油井、水井套管小排量找漏装置 Well, look for a small displacement Casing drain devices |
| 02/04/2015 | CN204140059U 一种钻井过程中卡点位置的检测装置 Detection apparatus for drilling position of the card |
| 02/04/2015 | CN204140058U 压裂用井下压力检测装置 Fracturing downhole pressure detection device |
| 02/04/2015 | CN204140057U 一种随钻测量减震预紧器 One kind of MWD damping pretensioners |
| 02/04/2015 | CN204140056U 一种用于无线随钻测井仪器的耐蚀耐磨套 Wear and corrosion resistance sets for wireless LWD equipment |
| 02/04/2015 | CN204140055U 便携式抽油机工况分析仪 Portable pumping condition analyzers |
| 02/04/2015 | CN204140054U 一种阵列声波换能器 An arrayed acoustic transducer |
| 02/04/2015 | CN204140053U 一种水平井注蒸汽热采可视化实验装置 A horizontal well steam injection thermal recovery visualization experimental device |
| 02/04/2015 | CN204140052U 一种煤层气井产出液自动测量装置 One kind of coalbed methane wells produced fluid automatic measuring device |
| 02/04/2015 | CN204140051U 深水钻井数据测量与记录系统 Deepwater drilling data measurement and recording system |
| 02/04/2015 | CN204140050U 井筒管柱动态载荷实时监测装置 Real-time dynamic loads wellbore string monitoring device |
| 02/04/2015 | CN204140049U 可自主控制式电子熔断释放装置 Can independently control the electronic fuse release device |
| 02/04/2015 | CN204140033U 一种油气井用内定向自旋转撞击起爆装置 One kind of oil and gas wells in the directional self-detonating device rotating strike |
| 02/04/2015 | CN204140030U 底水油藏开发物理模拟装置 Bottom water reservoir development physics simulator |
| 02/04/2015 | CN204139996U Mwd测斜仪器橡胶扶正器 Mwd inclinometer instrument rubber centralizer |
| 02/04/2015 | CN204139961U 一种深度可测的岩石钻孔机 A deep rock drilling machine can be measured |
| 02/04/2015 | CN104334831A 用于将信息从井中的井下钻柱传输到地表的旋转式脉冲发生器和方法 The information is used to transport the drill string from the well to the surface of the downhole rotary pulse generator and method |
| 02/04/2015 | CN104334830A 用于在海底钻井作业中启动井下工具的设备、系统和方法 Start of a downhole tool in subsea drilling operations equipment, system and method for |
| 02/04/2015 | CN104329114A 一种井下钻孔间歇式抽采瓦斯的方法 A downhole drilling intermittent mining extraction method Gas |
| 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 | CN104329078A 一种利用超声波测瓦斯压力的装置及方法 A use of ultrasonic measuring gas pressure apparatus and method |
| 02/04/2015 | CN104329077A 一种水源井抗扰动液位监测仪 Well another source of water level monitor anti-disturbance |
| 02/04/2015 | CN104329076A 一种测斜孔渗压计装置及安装方法 One kind inclinometer hole piezometers equipment and installation method |
| 02/04/2015 | CN104329075A 元素测井中元素俘获标准谱的获取方法 Logging in elemental capture element method to obtain the standard spectrum |
| 02/04/2015 | CN104329070A 保证安全性的点火系统 Ensure the safety of the ignition system |
| 02/04/2015 | CN104329068A 火烧油层电点火装置 ISC electric ignition device |
| 02/04/2015 | CN104329064A 一种采用振动波远程控制油井分层采油系统 One kind of vibratory wave remote control oil wells tiered system |
| 02/04/2015 | CN104329025A 水平螺旋钻导向装置 Horizontal auger guide |
| 02/04/2015 | CN103241988B 一种岩性密度双参数人造石标准模块及其制造工艺 One kind of artificial stone lithology density standard two-parameter module and its manufacturing process |
| 02/04/2015 | CN102913233B 一种基于无因次对比图版的优势流动通道识别方法 An advantage of the flow channel identification method based on the dimensionless comparison chart |
| 02/04/2015 | CN102562038B 一种井下地层的压力及温度直读测试系统 A downhole formation pressure and temperature direct reading test system |
| 02/04/2015 | CN102410012B 无线随钻测斜仪测斜短节组合减震方法及组合减震装置 MWD inclinometer inclinometer combination of a short section of shock absorber damping methods and compositions |
| 02/04/2015 | CN101908693B 井下传感器接口 Downhole sensor interface |
| 02/03/2015 | US8949098 Iterative drilling simulation process for enhanced economic decision making |
| 02/03/2015 | US8949029 Method for using tracer flowback for estimating influx volumes of fluids from different influx zones |
| 02/03/2015 | US8947666 Optical data transformation |
| 02/03/2015 | US8947094 At-bit magnetic ranging and surveying |
| 02/03/2015 | US8944183 Low frequency formation shear slowness from drilling noise derived quadrupole array data |
| 02/03/2015 | US8944162 Ambient-activated switch for downhole operations |
| 02/03/2015 | US8943900 Method and apparatus for differential pressure measurement |
| 02/03/2015 | US8943884 Smart seals and other elastomer systems for health and pressure monitoring |
| 02/03/2015 | CA2626075C Method of monitoring fluid placement during stimulation treatments |
| 01/29/2015 | WO2015013587A1 Term by term gain calibration of triaxial propagation measurements |
| 01/29/2015 | WO2015013523A1 Dynamic calibration of axial accelerometers and magnetometers |
| 01/29/2015 | WO2015013499A1 Method to predict local geomagnetic disturbance field and its practical application |
| 01/29/2015 | WO2015013394A1 Systems and methods for identifying sanding in production wells using time-lapse sonic data |
| 01/29/2015 | WO2015013234A2 Zonal compositional production rates in commingled gas wells |
| 01/29/2015 | WO2015012825A1 Method and device for the concurrent determination of fluid density and viscosity in-situ |
| 01/29/2015 | WO2015012823A1 Methods and systems for using a well evaluation pill to characterize subterranean formations and fluids |
| 01/29/2015 | WO2015012702A1 Measurement device |
| 01/29/2015 | US20150029500 Borescope steering adjustment system and method |
| 01/29/2015 | US20150029036 Systems and methods for ground fault immune data measurement systems for electronic submersible pumps |
| 01/29/2015 | US20150029035 Downhole Surveying |
| 01/29/2015 | US20150029034 System and console for monitoring and managing well site operations |
| 01/29/2015 | US20150027779 Dynamic Calibration of Axial Accelerometers and Magnetometers |
| 01/29/2015 | US20150027719 Method and system for containing uncontrolled flow of reservoir fluids into the environment |
| 01/29/2015 | US20150027692 Multi-Interval Wellbore Treatment Method |
| 01/29/2015 | US20150027691 Gas lift assembly and methods |
| 01/29/2015 | US20150027684 Centralizers for centralizing well casings |
| 01/29/2015 | US20150027216 Method and apparatus for formation testing and sampling when performing subterranean operations |
| 01/28/2015 | EP2828480A1 Drilling system failure risk analysis method |
| 01/28/2015 | EP2828479A1 Environmentally powered transmitter for location identification of wellbores |
| 01/28/2015 | EP2828478A2 Casing collar locator with wireless telemetry support |
| 01/28/2015 | EP2828477A1 Method and system for alignment of a wellbore completion |
| 01/28/2015 | CN204126640U π存储式测井系统 π storage Logging Systems |
| 01/28/2015 | CN204126639U 多路抽油井管线温度监测报警器 Multiple wells pumping line temperature monitoring and alarm devices |
| 01/28/2015 | CN204126638U 水平井控水完井方式评价实验装置 Horizontal well completion method evaluation experiment water control device |
| 01/28/2015 | CN204126637U 油田作业气动试压装置 Oilfield operations pneumatic pressure test device |
| 01/28/2015 | CN204126636U 一种隔水上向钻孔测压装置 One kind of the drilling riser on manometry device |
| 01/28/2015 | CN204126635U 便携式防卡手自一体水位测试仪 Portable anti-card hand from water tester |
| 01/28/2015 | CN204126634U 随钻仪器多点纵向减震器 MWD multi-point vertical shock absorber |
| 01/28/2015 | CN204126633U 一种伸缩式通信人/手井勘察工具 One kind of telescopic communications person / hand well survey tool |
| 01/28/2015 | CN204126632U 一种定向折叠式通信人/手井勘察工具 Communication as a directional folding person / hand well survey tool |
| 01/28/2015 | CN204126631U 测调联动安全电缆头 Measured tone interlocking security cable head |
| 01/28/2015 | CN204126630U 便携式的测量元素的测量仪 Portable measuring instrument measuring element |