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公开(公告)号：US06892138B2
公开(公告)日：2005-05-10
申请号：US10344621
申请日：2002-01-17
CPC分类号： G01N33/2823 , E21B49/08 , E21B2049/085
摘要： Determining the viscosity of a hydrocarbon reservoir fluid that is present in a formation layer traversed by a borehole, which method involves the steps of selecting a location in the formation layer; lowering in the borehole to the location a tool that has a central conduit having an inlet, means for displacing fluids through the central conduit, and an optical fluid analyzer; making an exclusive fluid communication between the formation and the inlet of the central conduit; obtaining a spectrum of the optical density; calculating a first factor that is the maximum optical density in a predetermined short-wavelength range multipled with the length of the short-wavelength range, calculating a second factor which is the integral over the same short-wavelength range of the spectrum, subtracting the second factor from the first factor to obtain a hydrocarbon oil property; and obtaining the magnitude of the in-situ viscosity from the oil property using a relation that has been obtained by fitting a curve through previously obtained data points having the measured magnitude of the actual viscosity as a function of the oil property.
摘要翻译： 确定存在于钻孔穿过的地层中的储油流体的粘度，该方法包括选择地层中的位置的步骤; 将钻孔降低到具有具有入口的中心管道的工具的位置，用于通过中心导管移动流体的装置和光学流体分析器; 在中心管道的形成和入口之间进行独特的流体连通; 获得光密度的光谱; 计算作为与短波长范围的长度相乘的预定短波长范围内的最大光密度的第一因子，计算作为光谱的相同短波长范围的积分的第二因子，减去第二因子 从第一个因素得到烃油性能; 并且使用通过将具有测量的实际粘度的大小作为油性质的函数的先前获得的数据点拟合曲线获得的关系，从油性质获得原位粘度的大小。
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2.发明申请公开(公告)号：US20100242586A1
公开(公告)日：2010-09-30
申请号：US12743393
申请日：2008-11-17
IPC分类号： E21B47/10
CPC分类号： E21B49/082 , E21B33/1243
摘要： A method for performing fluid influx tests in a wellbore (3) traversing a permeable formation (4) to test the compatibility of one or more completion fluids comprises: a) inserting a well test device (1) comprising a straddle packer assembly (6A,6B) into the wellbore (3) such that the straddle packer assembly (6A,6B) separates a well test section (13) from other sections of the wellbore; b) performing a first fluid influx test during which the fluid pressure the test section (13) is reduced, pore fluid is induced to flow from the pores of the permeable formation (4) into the test section (13) and fluid influx into the test section (13) is monitored; c) injecting a completion fluid into the test section (13), thereby increasing the fluid pressure within the test section and inducing the completion fluid to flow into the pores of the surrounding formation (4); d) performing a second fluid influx test during which the fluid pressure within the test section (13) is reduced, the completion fluid and pore fluid are induced to flow into the test section, and fluid influx into the test section is monitored; e) comparing fluid influx monitoring data acquired during the first and second fluid influx tests according to step b) and d) to determine any effects of the completion fluid on the influx of formation pore fluid into the test section.
摘要翻译： 一种用于在穿过可渗透层（4）的井眼（3）中进行流体流入测试的方法，以测试一种或多种完井流体的相容性，包括：a）插入井测试装置（1），其包括跨越封隔器组件（6A， 6B）插入到井眼（3）中，使得跨越式封隔器组件（6A，6B）将井测试部分（13）与井筒的其它部分分离; b）执行第一流体流入测试，在此期间，测试部分（13）的流体压力减小，孔隙流体被诱导从可渗透结构（4）的孔流入测试部分（13）并且流体流入 测试部分（13）被监视; c）将完井液注入试验段（13），从而增加试验段内的流体压力，并引导完井液流入周围地层（4）的孔中; d）执行第二流体流入测试，在此期间测试部分（13）内的流体压力减小，完成流体和孔隙流体被诱导流入测试部分，并且监测流体进入测试部分; e）比较根据步骤b）和d）在第一和第二流体流入测试期间获取的流体流入监测数据，以确定完井液对地层孔隙流体进入测试段的任何影响。
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3.发明授权Apparatus and methods for acoustically determining fluid properties while sampling 有权在采样时声学测定流体性质的装置和方法公开(公告)号：US07377169B2
公开(公告)日：2008-05-27
申请号：US10821767
申请日：2004-04-09
CPC分类号： G01N29/024 , G01N29/222 , G01N29/38 , G01N29/4472 , G01N2291/02818 , G01N2291/045
摘要： An apparatus and methods for acoustically analyzing a fluid sample and determining one or more properties of the sample are disclosed by the present invention. The apparatus comprises a chamber, a transmitter positioned within the chamber for transmitting an acoustic signal through the fluid, a reflector movably positioned within the fluid inside the chamber for reflecting the acoustic signal, and a receiver positioned within the chamber for detecting reflections of the acoustic signal. The methods employ the use of a transmitter, a reflector movably positioned within the fluid inside the chamber, and a receiver to characterize the fluid sample based on one or more of its acoustic properties.
摘要翻译： 用于声学分析流体样品并确定样品的一种或多种性质的装置和方法由本发明公开。 该装置包括一个室，位于室内的发射器，用于通过流体传输声信号，反射器可移动地定位在室内的流体内，用于反射声信号;以及接收器，位于室内，用于检测声学反射 信号。 所述方法采用使用发射器，可移动地定位在腔室内的流体内的反射器以及基于其声学特性中的一种或多种来表征流体样品的接收器。
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4.发明授权公开(公告)号：US08418546B2
公开(公告)日：2013-04-16
申请号：US12743393
申请日：2008-11-17
IPC分类号： E21B47/10
CPC分类号： E21B49/082 , E21B33/1243
摘要： A method for performing fluid influx tests in a wellbore comprises inserting a well test device into the wellbore such that it separates a well test section from other sections of the wellbore; performing a first fluid influx test during which fluid pressure in the test section is reduced, pore fluid is induced to flow into the test section and fluid influx into the test section is monitored; injecting a completion fluid into the test section, and inducing the completion fluid to flow into the formation; performing a second fluid influx test during which fluid pressure within the test section is reduced, completion and pore fluids are induced to flow into the test section, and fluid influx into the test section is monitored; comparing fluid influx monitoring data acquired during the fluid influx tests to determine any effects of the completion fluid on formation pore fluid influx into the test section.
摘要翻译： 用于在井眼中进行流体流入测试的方法包括将井测试装置插入井眼中，使得其将井测试部分与井眼的其它部分分离; 进行第一流体流入试验，在此期间测试部分中的流体压力减小，孔隙流体被引入流入测试部分，并且监测流体进入测试部分的流体; 将完井液注入试验段，并引导完井液流入地层; 执行第二流体流入测试，在此期间测试部分内的流体压力降低，完成孔隙流体被诱导流入测试部分，并且监测流体进入测试部分; 比较在流体流入测试期间获取的流体流入监测数据，以确定完井液对形成孔隙流体流入测试段的任何影响。
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公开(公告)号：US06877559B2
公开(公告)日：2005-04-12
申请号：US10362033
申请日：2002-01-15
CPC分类号： E21B49/081
摘要： A method for retrieving a formation fluid sample through a cased borehole utilizing a sampling tool. Sampling tool straddle packers are set about a first set of perforations and annular fluid is drained from the isolated zone, through a central conduit in the tool and discharged above or below the packers. Formation fluid is induced to flow into the central conduit and into sample chambers. The packers are unset, the tool moved to the next set of perforations that are azimuthally offset from the first set of perforations and the sampling process repeated, with subsequent samples being placed in separate sample chambers.
摘要翻译： 一种利用采样工具通过套管井眼检索地层流体样品的方法。 采样工具跨越式封隔器围绕第一组穿孔设置，并且环形流体从隔离区域排出，通过工具中的中心导管排放，并在封隔器的上方或下方排出。 诱导形成液体流入中心导管并进入样品室。 封隔器未设定，工具移动到与第一组穿孔方位偏移的下一组穿孔，并且重复采样过程，随后的样品被放置在单独的样品室中。
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6.发明授权公开(公告)号：US06786086B2
公开(公告)日：2004-09-07
申请号：US10344628
申请日：2003-02-14
IPC分类号： E21B4908
CPC分类号： E21B49/008 , E21B49/08 , E21B49/087
摘要： A method for determining the in-situ effective mobility of hydrocarbons in a formation layer, in which a formation test tool, having a fluid analyzer, induces sample fluid to flow from the formation, the sample being analyzed and discarded where it includes fluid from the invaded zone, so as to perform the pressure test on uncontaminated formation fluid.
摘要翻译： 一种用于确定地层中烃类的原位有效迁移率的方法，其中具有流体分析仪的地层测试工具诱导样品流体从地层流动，待分析和弃去的样品包括来自 入侵区，对未受污染的地层流体进行压力试验。
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