公开(公告)号：US07158887B2

公开(公告)日：2007-01-02

申请号：US10904862

申请日：2004-12-01

申请人： Soraya Sofia Betancourt ,  Oliver C. Mullins ,  Ahmed Hammami ,  John Allan Nighswander ,  Peter S. Hegeman ,  John Ratulowski ,  Moin Muhammad ,  Raymond G. Kennedy ,  Chengli Dong ,  Erwan Olliero

发明人： Soraya Sofia Betancourt ,  Oliver C. Mullins ,  Ahmed Hammami ,  John Allan Nighswander ,  Peter S. Hegeman ,  John Ratulowski ,  Moin Muhammad ,  Raymond G. Kennedy ,  Chengli Dong ,  Erwan Olliero

IPC分类号： G01V1/40 ,  E21B47/10

CPC分类号： G01N1/00 ,  E21B49/08 ,  G01N33/28 ,  G01N35/00613 ,  G01N2001/007

摘要： A method of assuring the collection of reliable and quality fluid sample includes the steps of acquiring a fluid sample at a point of acquisition, analyzing physical and chemical properties of the fluid sample at the point of acquisition; recording the point of acquisition sample properties in an electronic database archive, analyzing physical and chemical properties of the fluid sample at a location remote from the point of acquisition, recording the remote location sample properties in the archive, validating the fluid sample through comparison of the point of acquisition sample properties and the remote location sample properties and recording the validated sample properties in the archive.

摘要翻译： 确保可靠和质量流体样品的收集的方法包括以下步骤：在获取点获取流体样品，分析在采集点处的流体样品的物理和化学性质; 在电子数据库存档中记录获取样本属性点，分析远离采集点的位置处的流体样本的物理和化学性质，将远程位置样本属性记录在档案中，通过比较 获取点样本属性和远程位置样本属性，并将验证的样本属性记录在归档中。

公开(公告)号：US07379819B2

公开(公告)日：2008-05-27

申请号：US11561167

申请日：2006-11-17

申请人： Soraya Sofia Betancourt ,  Ahmed Hammami ,  John Allan Nighswander ,  Syriac George Mathews ,  Bhavani Raghuraman ,  Gale Gustavson ,  Lennox Reid ,  Tara Davies ,  Oliver C. Mullins

发明人： Soraya Sofia Betancourt ,  Ahmed Hammami ,  John Allan Nighswander ,  Syriac George Mathews ,  Bhavani Raghuraman ,  Gale Gustavson ,  Lennox Reid ,  Tara Davies ,  Oliver C. Mullins

IPC分类号： G01V1/40 ,  E21B49/08

CPC分类号： E21B49/08 ,  G01N1/00 ,  G01N33/28 ,  G01N33/2823 ,  G01N2001/007

摘要： Methods of assuring that a representative formation and/or fluid sample of a subterranean reservoir is obtained are provided. One method of validating a reservoir fluid sample obtained from a wellbore includes the steps of acquiring a reservoir fluid sample in the wellbore; measuring a property of the fluid sample downhole with a technique to obtain a measured downhole fluid property; replicating the measuring technique used to obtain the measured downhole fluid property to obtain at a remote location from the wellbore with a technique to obtain at least one measured remote location fluid property; validating the fluid sample through comparison of the measured downhole fluid property and the at least one measured remote location fluid property.

摘要翻译： 提供确保获得地下储层的代表性地层和/或流体样品的方法。 验证从井眼获得的储层流体样品的一种方法包括以下步骤：在井眼中获取储层流体样品; 使用获得测量的井下流体性质的技术测量井下流体样品的性质; 复制用于获得测量的井下流体性质的测量技术，以获得至少一个测量的远程位置流体性质的技术在距离井筒的远程位置获得; 通过比较测量的井下流体性质和至少一个测量的远程位置流体性质来验证流体样品。

公开(公告)号：US08256283B2

公开(公告)日：2012-09-04

申请号：US12848976

申请日：2010-08-02

申请人： Toru Terabayashi ,  Tsutomu Yamate ,  Hideki Kinjo ,  Akihito Chikenji ,  Takeaki Nakayama ,  Oliver C Mullins ,  Soraya Sofia Betancourt ,  Michael O'Keefe ,  Chengli Dong

发明人： Toru Terabayashi ,  Tsutomu Yamate ,  Hideki Kinjo ,  Akihito Chikenji ,  Takeaki Nakayama ,  Oliver C Mullins ,  Soraya Sofia Betancourt ,  Michael O'Keefe ,  Chengli Dong

IPC分类号： E21B49/08

CPC分类号： E21B47/10 ,  E21B49/081 ,  E21B2049/085 ,  G01N33/2823

摘要： A downhole characterization apparatus for formation fluids is provided. The apparatus comprises a downhole tool including a flowline for flowing the formation fluids capable of isolating a quantity of the formation fluids in a portion thereof; and a pump unit for depressurizing the isolated formation fluids; and a measurement controller which controls the downhole tool. The measurement controller includes a rough value estimation unit which estimates a rough value of the bubble point pressure of the formation fluids; and a speed controller which controls the depressurizing speed of the pump unit such that the isolated formation fluids are depressurized at a first speed to a certain pressure which is a predetermined value higher than said estimated rough value, and the isolated fluids are depressurized at a second speed which is slower than said first speed in order to measure a precise value of the bubble point pressure.

摘要翻译： 提供了一种用于地层流体的井下表征装置。 该装置包括井下工具，其包括用于使能够在其一部分中分离一定数量的地层流体的地层流体的流线; 以及用于使隔离的地层流体减压的泵单元; 以及控制井下工具的测量控制器。 测量控制器包括估计地层流体的泡点压力的粗略值的粗略估计单元; 以及速度控制器，其控制所述泵单元的减压速度，使得所述隔离地层流体以第一速度减压到比所述估计粗略值高的预定值的一定压力，并且所述隔离流体在第二速度下减压 速度比所述第一速度慢，以便测量泡点压力的精确值。

公开(公告)号：US07134500B2

公开(公告)日：2006-11-14

申请号：US10741078

申请日：2003-12-19

申请人： Terizhandur S. Ramakrishnan ,  Soraya Sofia Betancourt

发明人： Terizhandur S. Ramakrishnan ,  Soraya Sofia Betancourt

IPC分类号： E21B43/00

CPC分类号： E21B47/10 ,  G01N9/36 ,  G01N11/00 ,  G01N33/2823

摘要： A method for characterizing formation fluid using flowline viscosity and density data in an oil-based mud environment includes: making an initial estimate of the density and viscosity of the individual components of the sampled fluid; measuring the volume fractions, density, and viscosity of the total mixture of formation fluid; computing the density and viscosity of the total mixture using the estimate and the measured volume fractions; comparing the computed values with the measured values; and updating the estimate based on the comparison until convergence. The process is repeated as additional data are acquired until the converged computed values differ only by an acceptable amount.

摘要翻译： 在油基泥浆环境中使用流线粘度和密度数据表征地层流体的方法包括：初步估计取样流体的各个组分的密度和粘度; 测量地层流体总混合物的体积分数，密度和粘度; 使用估计和测量的体积分数计算总混合物的密度和粘度; 将计算值与测量值进行比较; 以及基于比较直到收敛来更新所述估计。 随着附加数据被获取，重复该过程，直到收敛的计算值不同于可接受的量。