Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 47 - Survey of boreholes or wells
Patents for E21B 47 - Survey of boreholes or wells (31,352)
12/2014
12/17/2014CN204024534U 连续油管防腐导向装置 Coiled tubing corrosion guide
12/17/2014CN204024520U 一种用于随钻仪器的套式扶正器 An MWD nested centralizer
12/17/2014CN204024516U 一种石油勘测仪器的扶正器 A petroleum survey instrument centralizer
12/17/2014CN104220697A 水平定向钻井区域网络和方法 Horizontal Directional Drilling LAN and methods
12/17/2014CN104220696A 结合晶体谐振器的测量的系统和方法 Binding crystal resonator system and method for measuring the
12/17/2014CN104219183A 一种基于Nios软核的井下调制解调器及方法 Downhole modem and a method based on the Nios soft-core
12/17/2014CN104213913A 低渗透碎屑岩储层有效开发渗透率下限的求取方法 Low permeability clastic reservoirs effective development method for calculating the lower permeability
12/17/2014CN104213912A 一种具有隔声结构的随钻声波探头 LWD sonic probe having insulation structure
12/17/2014CN104213911A 一种电磁波随钻测量井下仪器间的绝缘连接结构及制造方法 An electromagnetic wave MWD insulation connection structure and method of manufacture between downhole tools
12/17/2014CN104213910A 一种用于随钻测量电磁波地质导向工具的恒流发射系统 An MWD tool Geosteering constant electromagnetic launch system for
12/17/2014CN104213909A 一种随钻测量电磁波地质导向工具的自适应功率输出系统 One kind of electromagnetic MWD tool Geosteering adaptive power output system
12/17/2014CN104213908A 井下储存式流量及含水监测仪 Underground storage of Flow and Water Monitor
12/17/2014CN104213907A 一种基于温度场原理的掌子面前方水体温度的探测方法 A temperature field based on the principle of working face in front of the water temperature of the detection method
12/17/2014CN104213906A 一种钻井井筒压力校正方法 Correction method of drilling a wellbore pressure
12/17/2014CN104213905A 一种井下作业自动压井工艺方法及装置 A downhole operation method and apparatus for automatically kill the process
12/17/2014CN104213904A 一种有杆抽油系统效率实时监测方法 A kind of rod pumping system efficiency of real-time monitoring method
12/17/2014CN104213903A 一种液体自动在线计量装置 A liquid metering device automatic online
12/17/2014CN104213902A 流体计量撬及其计量方法 Fluid metering skid and measurement methods
12/17/2014CN104213901A 一种低产油井多相计量橇装装置 One kind of low-yielding wells multiphase metering skid-mounted unit
12/17/2014CN104213900A 用于保护测井井下仪器的实时监控装置及其使用方法 Real-time monitoring system for the protection of downhole logging instruments and methods of use
12/17/2014CN104213899A 一种地层岩石骨架的测井识别方法 Logging recognition method formation rock skeleton
12/17/2014CN102797454B 油田偏心分层注水井的测试仪及工况长期实时监测方法 Oilfield eccentric stratified injection wells tester and method for real-time monitoring of long-term conditions
12/17/2014CN102758616B 多点地层压力测量仪 Multi-point formation pressure gauge
12/17/2014CN102418516B 随钻近钻头定向参数测量装置 Near-bit directional drilling parameter measurement device
12/16/2014US8912852 Quartz pressure and temperature transducer assembly with dynamic correction
12/16/2014US8912806 Method of cutting and testing a pipeline cut under water or under a seabed
12/16/2014US8910714 Method for controlling the downhole temperature during fluid injection into oilfield wells
12/16/2014US8910710 Pumpjack production control
12/16/2014US8910533 Method for pressure compensating a transducer
12/11/2014US20140365130 Estimating flow rates from multiple hydrocarbon reservoir layers into a production well
12/11/2014US20140362664 Methods and apparatus having borehole seismic waveform compression
12/11/2014US20140360782 System and method for steering in a downhole environment using vibration modulation
12/11/2014US20140360781 Formation dip geo-steering method
12/11/2014US20140360258 Autonomous Formation Pressure Test Process for Formation Evaluation Tool
12/10/2014CN204012510U 井口线缆保护装置 Cable wellhead protection devices
12/10/2014CN204007720U 矿井围岩多参数耦合测定装置 Mine surrounding rock multi-parameter measuring device coupling
12/10/2014CN204004368U 超高压密封抗漏抗渗连接头和连接件 EHV anti-leakage impervious seal connectors and fittings
12/10/2014CN204002774U 多分支井产能模拟系统 Multilateral well production simulation system
12/10/2014CN204002773U 一种推靠坐封探针组件 Kind of sidewall packer probe assembly
12/10/2014CN204002772U 一种高温脉冲器的弹簧式顶部总成 A high-temperature pulsed top of the spring assembly
12/10/2014CN204002771U 丢失鱼头定位系统 Loss of head positioning system
12/10/2014CN204002770U 高温高压井测井辅助配合工具 HPHT logging tools assist with
12/10/2014CN204002769U 采油井无线压力变送器测试夹具 Production wells wireless pressure transmitter test fixture
12/10/2014CN204002768U 一种蒸汽辅助重力泄油的温压测试系统 Temperature and pressure test system for steam-assisted gravity drainage oil
12/10/2014CN204002767U 具有振动传感功能的煤层气井下压力计 CBM downhole pressure gauge has a vibration sensor function
12/10/2014CN204002766U 锚索注浆浆面位置探测装置 Anchor grouting slurry surface position detection device
12/10/2014CN204002765U 一种可测量井深的电子测斜仪 One measurable depth electronic inclinometer
12/10/2014CN204002764U 换能器声窗以及换能器声窗组件 Transducer acoustic windows and acoustic transducer window assembly
12/10/2014CN204002763U 一种石油测井用母湿接头 A petroleum well logging wet with female connector
12/10/2014CN204002762U 一种安全性功图测试仪器 A safe sex dynamometer test equipment
12/10/2014CN204002761U 无线采油井载荷示功仪 Radio production wells load dynamometer
12/10/2014CN204002760U 一种石油测井用柔性短节 A petroleum well logging with flexible short section
12/10/2014CN204002759U 一种石油测井用转向短节 A petroleum well logging steering short section
12/10/2014CN204002758U 一种声速测井探头检验、标定装置 One kind of sonic logging probe testing, calibration device
12/10/2014CN204002757U 一种多芯仪器接口 A multi-core instrument interface
12/10/2014CN204002756U 一种石油测井用公湿接头 A petroleum well logging wet with male connector
12/10/2014CN204002755U 一种磁感应液位界面仪 A magnetic induction level interface device
12/10/2014CN204002754U 钻机mini参数仪 Rig mini parameter analyzer
12/10/2014CN204002704U 环空测井电缆刮油器 Annulus wireline scraping oil
12/10/2014CN204002701U 压控式测试阀 VCO type test valve
12/10/2014CN204002696U 一种全智能完井装置 A fully intelligent completions
12/10/2014CN204002659U 一种多功能桥塞投送器 A multifunctional bridge plug delivery device
12/10/2014CN204002560U 用于水平分支喷射钻井的自牵引软管总成 For jet drilling horizontal branch since pulling hose assembly
12/10/2014CN104204407A 从套管靴到地表的水力压裂裂缝扩展的建模和分析 From the surface casing shoe to modeling and analysis of hydraulic fracture extension
12/10/2014CN104204131A 并入了磁性碳纳米带和磁性功能化碳纳米带的井筒流体和其使用方法 Incorporated into the wellbore fluid carbon nano magnetic tape and magnetic functional carbon nanoribbons and their use
12/10/2014CN104200642A 一种进行井下设备地面控制的系统及方法 A system and method for downhole equipment were ground control
12/10/2014CN104198111A 井下仪器用压力传感器 Downhole pressure sensors
12/10/2014CN104196527A 多分支井产能模拟系统与多分支井产能模拟实验方法 Multilateral well production simulation systems and multi-lateral wells productivity simulation method
12/10/2014CN104196522A 一种泥浆脉冲器平衡活塞密封总成 One kind of mud pulser balance piston seal assembly
12/10/2014CN104196521A 一种旋转阀泥浆脉冲发生器 A rotary valve mud pulser
12/10/2014CN104196520A 远程连续液面测量及油井间抽智能控制系统 Distance between continuous level measurement and control system of intelligent wells pumping
12/10/2014CN104196519A 一种石油伴生气日产量测量方法 A petroleum associated gas daily output measurement method
12/10/2014CN104196518A 井筒环空中气液固三相间滑脱测量设备及方法 Wellbore annulus liquid - solid three phase slip measuring device and method
12/10/2014CN104196506A Sagd单井组注采参数联调方法、装置和系统 Sagd single-well injection and production parameters set FBI method, apparatus and system
12/10/2014CN104196502A 防砂式偏心配水器 Sand eccentric water distribution
12/10/2014CN104196487A 一种评价调堵剂在低渗透裂缝岩心中适应性的实验方法 An evaluation of the adaptability of plugging agent experimental methods in low permeability fractured cores
12/10/2014CN104196482A 一种打捞煤层气井双抽油杆等高事故头工艺 An accident salvage craft CBM wells double sucker head high
12/10/2014CN104196479A 一种用于绳索取心钻进的电磁随钻测量系统 An electromagnetic rope coring drilling MWD system
12/10/2014CN104196475A 高压油气水井试井用仪器捕捉释放器及捕捉释放方法 High pressure oil and gas wells, well testing instruments to capture and release is the release catch method
12/10/2014CN102817619B 隧道内探测无水和有水溶腔的组合超前钻探方法 Combination of advanced drilling methods and there is a water-soluble anhydrous cavity detection in tunnels
12/10/2014CN102748005B 一种实时监测井筒冻结壁温度、受力及变形的系统及其布设方法 A real-time monitoring of the freeze wellbore wall temperature, force and deformation of the system and its layout method
12/10/2014CN102661144B 深部沿空顺槽实体煤侧巷帮锚索锚固深度确定方法 Empty trough along the side alley deep coal entity to help determine the method of anchorage depth
12/10/2014CN102648333B 泡检测工具 Bubble detection tools
12/10/2014CN102635347B 一种定量将薄互地层等效成水平和垂直电阻率的方法 A quantitative thin interbedded formations will be equivalent to the horizontal and vertical resistivity method
12/10/2014CN102635345B 煤炭地下气化可视化点火与监控装置 Underground Coal Gasification visualization ignition and monitoring devices
12/10/2014CN102606142B 一种测井接箍检测系统 Logging and coupling detection system
12/10/2014CN102245856B 地层勘探期间的井下仪器校准 Underground exploration formation during instrument calibration
12/10/2014CN101842693B 用于确定存在于流体填充的钻孔中的导电流体的浓度的装置 Means for determining the concentration of the fluid-filled borehole in the presence of a conductive fluid means
12/09/2014US8909479 Apparatus and method for detecting and quantifying leakage in a pipe
12/09/2014US8909478 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
12/09/2014US8905157 Control system, rock drill rig and control method
12/09/2014US8905155 Marine well with shallow-water flow monitoring
12/09/2014US8905145 Remote and manual actuated well tool
12/09/2014US8905130 Fluid sample cleanup
12/09/2014US8905128 Valve assembly employable with a downhole tool
12/09/2014US8904858 In-situ detection and analysis of methane in coal bed methane formations with spectrometers
12/04/2014US20140358444 Method of hydraulic fracture identification using temperature
12/04/2014US20140357534 Methods, apparatus, and sensors for tracing frac fluids in mineral formations, production waters, and the environment using magnetic particles
12/04/2014US20140354446 Cable Telemetry Synchronization System and Method
12/04/2014US20140354445 Optical Device for use with Downhole Equipment
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 314