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31. 发明授权

US09316761B2 Determining reservoir connectivity using fluid contact gravity measurements 有权
标题翻译：使用流体接触重力测量确定油藏连通性
公开(公告)号：US09316761B2
公开(公告)日：2016-04-19
申请号：US13357786
申请日：2012-01-25
申请人： Carl M. Edwards , Daniel T. Georgi , Antonius M. Loermans
发明人： Carl M. Edwards , Daniel T. Georgi , Antonius M. Loermans
IPC分类号： G01V7/06 , G06F17/00
CPC分类号： G01V7/06 , G06F17/00
摘要： An apparatus and method for estimating reservoir connectivity using gravity estimates at a fluid contact for each of two or more boreholes. The method may include identifying fluid contacts in the boreholes. The method may include additional gravity estimates at and/or between a well head and the fluid contact of each borehole. The method may include gravity estimates along a surface between well heads of the boreholes. The method may include estimating true vertical depth for the boreholes. The apparatus may include at least one gravimeter and a processor configured to estimate reservoir connectivity using estimates from the gravimeter.
摘要翻译：一种用于使用两个或更多个钻孔中的每一个的流体接触处的重力估计来估计储层连通性的装置和方法。该方法可以包括识别钻孔中的流体接触。该方法可以包括在井头和每个钻孔的流体接触之间和/或之间的额外的重力估计。该方法可以包括沿着钻孔的井头之间的表面的重力估计。该方法可以包括估计钻孔的真实垂直深度。该装置可以包括至少一个重力计和配置成使用来自重力仪的估计来估计储层连接性的处理器。

32. 发明申请

US20150159478A1 GEOSTEERING BOREHOLES USING DISTRIBUTED ACOUSTIC SENSING 有权
标题翻译：使用分布式声学感测地球化学
公开(公告)号：US20150159478A1
公开(公告)日：2015-06-11
申请号：US14100735
申请日：2013-12-09
申请人： Daniel T. Georgi , Sebastian Csutak
发明人： Daniel T. Georgi , Sebastian Csutak
IPC分类号： E21B47/022 , E21B47/18
CPC分类号： E21B47/02208 , E21B7/046
摘要： A method of estimating position of a borehole includes: disposing an acoustic sensor in a first borehole in an earth formation, the acoustic sensor including a plurality of measurement locations disposed along a length of the first borehole; drilling a portion of a second borehole in the earth formation using a drilling assembly; taking distributed acoustic measurement data over a time period during the drilling by the plurality of measurement locations, the acoustic measurement data based at least in part due to an acoustic signal generated by the drilling assembly and detected by the plurality of measurement locations; processing the measurement data to estimate a distance between the drilling assembly and the acoustic sensor; and controlling directional parameters of the drilling based on the distance.
摘要翻译：一种估计钻孔位置的方法包括：将声传感器设置在地层中的第一钻孔中，声传感器包括沿着第一钻孔的长度设置的多个测量位置; 使用钻井组件钻探地层中的第二钻孔的一部分; 在多个测量位置的钻孔期间在一段时间内采取分布式声学测量数据，所述声学测量数据至少部分地由于由所述钻井组件产生并由所述多个测量位置检测的声学信号; 处理测量数据以估计钻探组件和声学传感器之间的距离; 并根据距离控制钻井的方向参数。

33. 发明申请

US20140088878A1 ISOTHERM AND GAS-IN-PLACE ESTIMATION CONSIDERING CAPILLARY CONDENSATION IN SHALE GAS RESERVOIR 审中-公开
标题翻译：考虑油气储层中毛细管冷凝的同位素和气体估计
公开(公告)号：US20140088878A1
公开(公告)日：2014-03-27
申请号：US13628551
申请日：2012-09-27
申请人： Jinhong Chen , Guodong Jin , Baoyan Li , Daniel T. Georgi
发明人： Jinhong Chen , Guodong Jin , Baoyan Li , Daniel T. Georgi
IPC分类号： G06F19/00
CPC分类号： E21B47/00 , E21B49/00 , G01V11/00 , G01V2210/624
摘要： A method for estimating an amount of hydrocarbon in an earth formation having a kerogen includes determining a pore size in the kerogen at or below which capillary condensation will occur, the determining being performed using a processor. The method also includes calculating an amount of hydrocarbon liquid condensate in pores of the kerogen based on capillary condensation using the determined pore size, the calculating being performed using the processor. The method further includes estimating the amount of hydrocarbon in the earth formation using the calculated amount of hydrocarbon liquid condensate, the estimating being performed using the processor.
摘要翻译：用于估计具有干酪根的地层中的烃的量的方法包括确定在发生毛细管凝结的等于或低于的干酪根中的孔径，该确定使用处理器进行。该方法还包括使用确定的孔径计算基于毛细管冷凝的干酪根孔隙中的烃液体冷凝物的量，使用处理器进行计算。该方法还包括使用计算量的烃液体冷凝物估计地层中的烃的量，使用处理器进行估计。

34. 发明授权

US07836951B2 Methods and apparatus for collecting a downhole sample 有权
标题翻译：用于收集井下样品的方法和装置
公开(公告)号：US07836951B2
公开(公告)日：2010-11-23
申请号：US12277460
申请日：2008-11-25
申请人： Daniel T. Georgi , Aleksandr A. Kashevarov , Artem V. Manakov
发明人： Daniel T. Georgi , Aleksandr A. Kashevarov , Artem V. Manakov
IPC分类号： E21B49/08
CPC分类号： E21B49/10 , E21B33/138
摘要： Apparatus and methods for collecting a downhole sample are provided. The method may include monitoring a flow path parameter, introducing a sealant to a borehole wall when the flow path parameter satisfies a first predetermined condition, and collecting a downhole sample when the flow path parameter satisfies a second predetermined condition. An apparatus may include a formation sampling tool having a flow path, an inhibitor coupled to the formation sampling tool, a sampler coupled to the formation sampling tool, and a selector that selects one or more of the inhibitor and the sampler when a parameter of the flow path satisfies a predetermined condition.
摘要翻译：提供了收集井下样品的装置和方法。该方法可以包括监测流路参数，当流路参数满足第一预定条件时将密封剂引入钻孔壁，以及当流路参数满足第二预定条件时收集井下样品。装置可以包括具有流动路径的地层采样工具，耦合到地层采样工具的抑制剂，耦合到地层采样工具的取样器，以及选择器，当选择所述抑制剂和采样器时，选择一个或多个抑制剂和采样器流路满足预定条件。

35. 发明授权

US07753119B2 In-situ heavy-oil reservoir evaluation with artificial temperature elevation 有权
标题翻译：人工温度升高的原位重油层评估
公开(公告)号：US07753119B2
公开(公告)日：2010-07-13
申请号：US10818873
申请日：2004-04-06
申请人： Songhua Chen , Daniel T. Georgi
发明人： Songhua Chen , Daniel T. Georgi
IPC分类号： E21B49/00 , G01V3/00
CPC分类号： G01V3/32
摘要： Many reservoirs of interest include heavy oil. In such reservoirs, partly at normal temperatures, many instruments commonly used for formation evaluation may not be able to distinguish between heavy oil and bound water in the formation. Passive or active heating is used to elevate the temperature of the fluids in the formation. At elevated temperatures, distinguishing between heavy oil and bound water is easier. Of particular interest is the increase in the resolvability of the transverse relaxation time T2 of NMR spin echo measurements. Additionally, the dielectric constant and the loss tangents of water and heavy oil show different temperature and frequency dependence.
摘要翻译：许多有意义的水库包括重油。在这种储层中，部分在正常温度下，通常用于地层评估的许多仪器可能无法区分地层中重油和结合水。被动或主动加热用于提高地层中流体的温度。在升高的温度下，区分重油和结合水更容易。特别感兴趣的是NMR自旋回波测量的横向弛豫时间T2的可分解性的增加。此外，水和重油的介电常数和损耗角正切表现出不同的温度和频率依赖性。

36. 发明申请

US20090255729A1 METHODS AND APPARATUS FOR COLLECTING A DOWNHOLE SAMPLE 有权
标题翻译：收集井下样本的方法和装置
公开(公告)号：US20090255729A1
公开(公告)日：2009-10-15
申请号：US12277460
申请日：2008-11-25
申请人： Daniel T. Georgi , Aleksandr A. Kashevarov , Artem V. Manakov
发明人： Daniel T. Georgi , Aleksandr A. Kashevarov , Artem V. Manakov
IPC分类号： E21B49/00 , E21B49/08 , G06F19/00
CPC分类号： E21B49/10 , E21B33/138
摘要： Apparatus and methods for collecting a downhole sample are provided. The method may include monitoring a flow path parameter, introducing a sealant to a borehole wall when the flow path parameter satisfies a first predetermined condition, and collecting a downhole sample when the flow path parameter satisfies a second predetermined condition. An apparatus may include a formation sampling tool having a flow path, an inhibitor coupled to the formation sampling tool, a sampler coupled to the formation sampling tool, and a selector that selects one or more of the inhibitor and the sampler when a parameter of the flow path satisfies a predetermined condition.
摘要翻译：提供了收集井下样品的装置和方法。该方法可以包括监测流路参数，当流路参数满足第一预定条件时将密封剂引入钻孔壁，以及当流路参数满足第二预定条件时收集井下样品。装置可以包括具有流动路径的地层采样工具，耦合到地层采样工具的抑制剂，耦合到地层采样工具的取样器，以及选择器，当选择所述抑制剂和采样器时，选择一个或多个抑制剂和采样器流路满足预定条件。

37. 发明申请

US20090126486A1 ORIENTATION INDEPENDENT GRAVITY SENSOR 审中-公开
标题翻译：方位独立重量传感器
公开(公告)号：US20090126486A1
公开(公告)日：2009-05-21
申请号：US11943200
申请日：2007-11-20
申请人： Daniel T. Georgi , Carl M. Edwards , Sheng Fang , Rocco DiFoggio , Robert Estes
发明人： Daniel T. Georgi , Carl M. Edwards , Sheng Fang , Rocco DiFoggio , Robert Estes
IPC分类号： G01V7/00
CPC分类号： G01V7/16
摘要： An instrument for measuring gravitational acceleration, the instrument including: a plurality of accelerometers disposed about a three-dimensional structure, the plurality of accelerometers providing output used for measuring the gravitational acceleration; wherein each accelerometer in the plurality is implemented by at least one of a micro-electromechanical system (MEMS) and a nano-electromechanical system (NEMS).
摘要翻译：一种用于测量重力加速度的仪器，所述仪器包括：围绕三维结构设置的多个加速度计，所述多个加速度计提供用于测量重力加速度的输出; 其中多个中的每个加速度计由微机电系统（MEMS）和纳米机电系统（NEMS）中的至少一个来实现。

38. 发明申请

US20090065252A1 System and Method for Stress Field Based Wellbore Steering 有权
标题翻译：基于应力场的井筒转向系统与方法
公开(公告)号：US20090065252A1
公开(公告)日：2009-03-12
申请号：US12185676
申请日：2008-08-04
申请人： Daniel Moos , Gamal A. Hassan , Daniel T. Georgi , David A. Castillo , John Fabian
发明人： Daniel Moos , Gamal A. Hassan , Daniel T. Georgi , David A. Castillo , John Fabian
IPC分类号： E21B49/00
CPC分类号： E21B7/06 , E21B47/08 , E21B49/006 , G01V1/50 , G01V11/002 , G01V2210/66
摘要： A system and method for the geomechanical steering of the orientation of a wellbore is disclosed. In one embodiment, any available a priori data regarding the stress characteristics of a region of interest are used to develop a preliminary stress model for the region. A geosteered drilling operation is thereafter commenced, with the trajectory being steered in a direction relative to the stress model of the region. While drilling, real-time data is obtained from conventional down-hole instrumentation. The real-time data is used to refine the stress model for the region, such that the trajectory can be guided on an ongoing basis to achieve an optimal relationship with the measured stress characteristics of the region.
摘要翻译：公开了一种用于井筒定向的地质力学转向的系统和方法。在一个实施例中，使用关于感兴趣区域的应力特征的任何可用的先验数据来开发该区域的初步应力模型。此后开始地质导向钻井作业，其轨迹沿相对于该区域的应力模型的方向转向。在钻孔的同时，从常规的井下仪器获得实时数据。实时数据用于细化区域的应力模型，从而可以持续引导轨迹，以实现与该区域的测量应力特征的最佳关系。

39. 发明授权

US07181960B2 Determination of correct horizontal and vertical permeabilities in a deviated well 有权
标题翻译：确定偏斜井中正确的水平和垂直渗透率
公开(公告)号：US07181960B2
公开(公告)日：2007-02-27
申请号：US11202778
申请日：2005-08-12
申请人： James J. Sheng , Daniel T. Georgi
发明人： James J. Sheng , Daniel T. Georgi
IPC分类号： E21B47/00
CPC分类号： E21B49/008
摘要： In one method, the permeabilities are obtained by correcting the geometric factor derived from combining the FRA analysis and buildup analysis. In a second method, the permeabilities are obtained by combining the spherical permeability estimated from buildup analysis and the geometric skin factor obtained from history matching the probe-pressure data. In other methods, horizontal and vertical permeabilities are determined by analysis of pressure drawdown made with a single probe of circular aperture in a deviated borehole at two different walls of the borehole.
摘要翻译：在一种方法中，通过校正通过组合FRA分析和累积分析得到的几何因子来获得渗透性。在第二种方法中，通过组合从积累分析估计的球形磁导率和从与探针压力数据匹配的历史获得的几何外观因子来获得渗透性。在其他方法中，水平和垂直渗透率通过分析在钻孔的两个不同壁处的偏斜钻孔中的圆形孔的单个探针进行的压力下降来确定。

40. 发明授权

US07012426B2 High-resolution high-speed NMR well logging device 有权
公开(公告)号：US07012426B2
公开(公告)日：2006-03-14
申请号：US10765611
申请日：2004-01-27
申请人： Carl M. Edwards , Daniel T. Georgi
发明人： Carl M. Edwards , Daniel T. Georgi
IPC分类号： G01V3/00
CPC分类号： G01V3/32 , G01N24/081 , G01R33/383 , Y02A90/344
摘要： Wireline NMR well logging measurements suffer from disadvantages of poor vertical resolution, logging speeds less than 20 ft/min, and power consumption in excess of 200 W. In spite of these disadvantages, NMR well logging is used because it is capable of providing estimates for a number of petrophysical parameters that are difficult to obtain from other wireline data. These include estimates of the bulk volume irreducible (BVI) of fluids in the formation. The present invention targets BVI and clay bound water (CBW) measurements. Logging speeds of up to 60 ft/min are attainable with little or no loss of resolution. In one preferred embodiment, the tool has four sensors circumferentially distributed around the logging tool and in contact with the borehole wall. A horseshoe like magnet is used to generate the static magnetic field. The magnet poles are designed such that the magnetic field is uniform perpendicular tool motion, as well as provide a sufficiently large extent of the static field to provide polarization for bound water in rock formations. The RF portion of the sensor is comprised of at least one coil configured for transmission of an RF magnetic field into rock formations and at least two coils configured to separately receive the NMR signal from the formation. In another embodiment a coil is wound around the pole pieces or the iron yoke for the purpose of field shifting to enable acquisition of phase-alternated measurements.

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