Methods and apparatus of downhole fluid analysis
    1.
    发明授权
    Methods and apparatus of downhole fluid analysis 有权
    井下液分析方法与装置

    公开(公告)号:US07461547B2

    公开(公告)日:2008-12-09

    申请号:US11203932

    申请日:2005-08-15

    IPC分类号: E21B47/08

    摘要: Methods and apparatus for downhole analysis of formation fluids by isolating the fluids from the formation and/or borehole in a pressure and volume control unit that is integrated with a flowline of a fluid analysis module and determining fluid characteristics of the isolated fluids. Parameters of interest may be derived for formation fluids in a static state and undesirable formation fluids may be drained and replaced with formation fluids that are suitable for downhole characterization or surface sample extraction. Isolated formation fluids may be circulated in a loop of the flowline for phase behavior characterization. Real-time analysis of the fluids may be performed at or near downhole conditions.

    摘要翻译: 通过将压力和体积控制单元中的流体从地层和/或钻孔中分离出来并与流体分析模块的流线集成并确定分离流体的流体特性,来对地层流体进行井下分析的方法和装置。 可以为处于静态的地层流体导出感兴趣的参数,并且可以排出不希望的地层流体并用适于井下表征或表面样品提取的地层流体替代。 隔离的地层流体可以在流动管线的环路中循环以进行相位行为表征。 流体的实时分析可以在井下或近井条件下进行。

    Methods and apparatus of downhole fluid analysis
    2.
    发明申请
    Methods and apparatus of downhole fluid analysis 有权
    井下液分析方法与装置

    公开(公告)号:US20060243047A1

    公开(公告)日:2006-11-02

    申请号:US11203932

    申请日:2005-08-15

    IPC分类号: E21B47/08

    摘要: Methods and apparatus for downhole analysis of formation fluids by isolating the fluids from the formation and/or borehole in a pressure and volume control unit that is integrated with a flowline of a fluid analysis module and determining fluid characteristics of the isolated fluids. Parameters of interest may be derived for formation fluids in a static state and undesirable formation fluids may be drained and replaced with formation fluids that are suitable for downhole characterization or surface sample extraction. Isolated formation fluids may be circulated in a loop of the flowline for phase behavior characterization. Real-time analysis of the fluids may be performed at or near downhole conditions.

    摘要翻译: 通过将压力和体积控制单元中的流体从地层和/或钻孔中分离出来并与流体分析模块的流线集成并确定分离流体的流体特性,来对地层流体进行井下分析的方法和装置。 可以为处于静态的地层流体导出感兴趣的参数,并且可以排出不希望的地层流体并用适于井下表征或表面样品提取的地层流体替代。 隔离的地层流体可以在流动管线的环路中循环以进行相位行为表征。 流体的实时分析可以在井下或近井条件下进行。

    IN-SITU FLUID COMPATIBILITY TESTING USING A WIRELINE FORMATION TESTER
    4.
    发明申请
    IN-SITU FLUID COMPATIBILITY TESTING USING A WIRELINE FORMATION TESTER 有权
    使用WIRELINE成形试验机的现场流体相容性试验

    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。

    In-situ fluid compatibility testing using a wireline formation tester
    5.
    发明授权
    In-situ fluid compatibility testing using a wireline formation tester 有权
    使用电缆形成测试仪的原位流体相容性测试

    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。