公开(公告)号：US20120024523A1

公开(公告)日：2012-02-02

申请号：US13252015

申请日：2011-10-03

Applicant: Cosan Ayan ,  Fikri John Kuchuk ,  Terizhandur S. Ramakrishnan ,  Thomas J. Neville ,  Raghu Ramamoorthy ,  Andrew Carnegie

Inventor： Cosan Ayan ,  Fikri John Kuchuk ,  Terizhandur S. Ramakrishnan ,  Thomas J. Neville ,  Raghu Ramamoorthy ,  Andrew Carnegie

IPC: E21B43/12 ,  E21B47/00

CPC classification number: E21B33/1243 ,  E21B49/008 ,  G01V3/32

Abstract: An apparatus and method of measuring a parameter characteristic of a rock formation in an oil well is provided with a device for generating a sensing field within a volume of the rock formation and a device for causing a flow through the volume in the presence of the sensing field, further including sensors responsive to changes in the volume, wherein a sensor response is indicative of the amounts of fluid, particularly hydrocarbon and water saturations and irreducible hydrocarbon and water saturations. Measurements can be made before the flow affects the measuring volume and after onset of the flow through the measuring volume.

Abstract translation: 在油井中测量岩层的参数特征的装置和方法设置有用于在岩体的体积内产生感测场的装置和用于在存在感测的情况下使流体流过体积的装置 进一步包括响应于体积变化的传感器，其中传感器响应指示流体的量，特别是烃和水饱和度以及不可约的碳氢化合物和水饱和度。 测量可以在流量影响测量体积之前和流过测量体积的开始之后进行。

公开(公告)号：US07614294B2

公开(公告)日：2009-11-10

申请号：US11746201

申请日：2007-05-09

Applicant: Peter S. Hegeman ,  Anthony R. H. Goodwin ,  Moin Muhammad ,  Ricardo Vasques ,  Cosan Ayan ,  Michael O'Keefe ,  Tsutomu Yamate

Inventor： Peter S. Hegeman ,  Anthony R. H. Goodwin ,  Moin Muhammad ,  Ricardo Vasques ,  Cosan Ayan ,  Michael O'Keefe ,  Tsutomu Yamate

IPC: E21B49/10

CPC classification number: E21B43/25 ,  E21B49/081

Abstract: Methods for performing downhole fluid compatibility tests include obtaining an downhole fluid sample, mixing it with a test fluid, and detecting a reaction between the fluids. Tools for performing downhole fluid compatibility tests include a plurality of fluid chambers, a reversible pump and one or more sensors capable of detecting a reaction between the fluids.

Abstract translation: 执行井下流体相容性测试的方法包括获得井下流体样品，将其与测试流体混合，以及检测流体之间的反应。 用于执行井下流体相容性测试的工具包括多个流体室，可逆泵和能够检测流体之间的反应的一个或多个传感器。

公开(公告)号：US06729400B2

公开(公告)日：2004-05-04

申请号：US10305878

申请日：2002-11-27

Applicant: Oliver C. Mullins ,  Michael Hodder ,  Cosan Ayan ,  Yifu Zhu ,  Phillip Rabbito

Inventor： Oliver C. Mullins ,  Michael Hodder ,  Cosan Ayan ,  Yifu Zhu ,  Phillip Rabbito

IPC: E21B4908

CPC classification number: E21B49/08 ,  E21B2049/085

Abstract: A downhole connate water sample drawn from the formation surrounding a well is validated when mud filtrate concentration is acceptably low. A preferred method includes drilling the well with a water-based drilling fluid, or more generally a water-based mud (WBM), containing a water-soluble dye. The dye acts as a tracer to distinguish connate water from WBM filtrate in a downhole sample of formation fluid contaminated by mud filtrate from the water-based mud. Preferably, an optical analyzer in a sampling tool measures light transmitted through the downhole sample to produce optical density data indicative of dye concentration. Preferably, optical density is measured at a first wavelength to obtain a first optical density, and at a second wavelength, close in wavelength to the first wavelength, to obtain a second optical density. First and second optical density data are transmitted to the surface. At the surface, in a data processor, the second optical density is subtracted from the first optical density to produce a third optical density that is substantially free of scattering error. The data processor validates each sample that has an acceptably low third optical density. The invention also provides a method of determining when to collect a sample of downhole fluid drawn over a period of time from a formation surrounding a well.

Abstract translation: 当泥浆滤液浓度可接受地低时，从井周围的地层抽取的井下合生水样品被验证。 优选的方法包括用含水溶性染料的水基钻井液或更一般的水基泥浆（WBM）钻井。 该染料作为示踪剂，以在由水基泥浆泥浆滤液污染的地层流体的井下样品中区分原生水与WBM滤液。 优选地，采样工具中的光学分析仪测量透过井下样品的光，以产生指示染料浓度的光密度数据。 优选地，在第一波长处测量光密度以获得第一光密度，并且在第二波长处以与第一波长相近的波长，以获得第二光密度。 第一和第二光密度数据被传送到表面。 在表面上，在数据处理器中，从第一光密度中减去第二光密度以产生基本上没有散射误差的第三光密度。 数据处理器验证每个具有可接受的低第三光密度的样品。 本发明还提供了一种确定何时收集从围绕井的地层在一段时间内被抽取的井下流体样本的方法。

公开(公告)号：US07999542B2

公开(公告)日：2011-08-16

申请号：US12433119

申请日：2009-04-30

Applicant: Raghu Ramamoorthy ,  David C. Bradley ,  Cosan Ayan

Inventor： Raghu Ramamoorthy ,  David C. Bradley ,  Cosan Ayan

IPC: G01V3/00

CPC classification number: G01V3/18

Abstract: A method of measuring a parameter characteristic of a rock formation in an oil well is provided for evaluating a reservoir treatment applied to a subterranean formation including the steps of injecting from a tool body suspended into a well at an injection location a known volume of fluid into the formation, performing a logging operation sensitive to a change of fluid content at several measuring points below and above the injection location; and using results of the logging operation to determine a depth profile along said well of a parameter related to fluid content.

Abstract translation: 提供了一种测量油井中岩层的参数特征的方法，用于评估施加到地下地层的储层处理，包括以下步骤：从悬浮在注入位置的井中的工具体注入已知体积的流体 形成，对喷射位置下方和上方的几个测量点处的流体含量变化敏感的测井操作; 并且使用记录操作的结果来确定沿着所述井的与流体内容相关的参数的深度分布。

公开(公告)号：US20100127701A1

公开(公告)日：2010-05-27

申请号：US12464187

申请日：2009-05-12

Applicant: Wicher Wichers ,  Chanh Cao Minh ,  Bei Gao ,  Peter Weinheber ,  Cosan Ayan ,  Oliver C. Mullins

Inventor： Wicher Wichers ,  Chanh Cao Minh ,  Bei Gao ,  Peter Weinheber ,  Cosan Ayan ,  Oliver C. Mullins

IPC: G01R33/44

CPC classification number: G01V11/00

Abstract: A method for determining fluids in a formation. The method includes obtaining open hole measurements for a borehole in the formation; identifying points in the borehole from which to obtain pressure measurements using the open hole measurements; obtaining pressure measurements at the identified points in the borehole; applying an excess pressure technique to the pressure measurements to identify a plurality of pressure compartments in the borehole; characterizing fluid in each of the plurality of compartments; and developing a drilling plan based on characterization of fluids in each of the plurality of compartments.

Abstract translation: 一种用于确定地层中流体的方法。 该方法包括获得地层钻孔的露天测量; 识别钻孔中的点，使用露点测量获得压力测量值; 在钻孔中识别的点获得压力测量; 对压力测量应用过压技术以识别钻孔中的多个压力隔室; 表征所述多个隔室中的每一个中的流体; 以及基于多个隔室中的每一个中的流体的表征来开发钻井计划。

公开(公告)号：US20100024540A1

公开(公告)日：2010-02-04

申请号：US12577847

申请日：2009-10-13

Applicant: Ricardo Vasques ,  Gustavo Andreolli Ribeiro ,  Cosan Ayan ,  Nicolas Adur ,  Arne Richard Pedersen ,  Antonio Castilho

Inventor： Ricardo Vasques ,  Gustavo Andreolli Ribeiro ,  Cosan Ayan ,  Nicolas Adur ,  Arne Richard Pedersen ,  Antonio Castilho

IPC: E21B47/08

CPC classification number: E21B33/1246 ,  E21B49/08 ,  E21B49/081

Abstract: Methods and systems for testing a subterranean formation penetrated by a wellbore are provided. A testing tool has a plurality of packers spaced apart along the axis of the tool, and at least a testing port. The testing tool is positioned into the wellbore and packers are extended into sealing engagement with the wellbore wall, sealing thereby an interval of the wellbore. In some embodiments, the wellbore interval sealed between two packers is adjusted downhole. In one embodiment, the location of the testing port is adjusted between two packers. The methods may be used to advantage for reducing the contamination of the formation fluid by fluids or debris in the wellbore.

Abstract translation: 提供了用于测试由井眼穿透的地层的方法和系统。 测试工具具有沿着工具的轴线间隔开的多个封隔器和至少一个测试端口。 测试工具定位在井眼中，封隔器延伸成与井筒壁密封接合，从而密封井眼的间隔。 在一些实施例中，密封在两个封隔器之间的井筒间隔被调节到井下。 在一个实施例中，在两个封隔器之间调整测试端口的位置。 这些方法可以有利于减少井眼中流体或碎屑对地层流体的污染。

公开(公告)号：US20090255669A1

公开(公告)日：2009-10-15

申请号：US12103027

申请日：2008-04-15

Applicant: Cosan Ayan ,  Fikri John Kuchuk ,  Terizhandur S. Ramakrishnan ,  Thomas J. Neville ,  Raghu Ramamoorthy ,  Andrew Carnegie

Inventor： Cosan Ayan ,  Fikri John Kuchuk ,  Terizhandur S. Ramakrishnan ,  Thomas J. Neville ,  Raghu Ramamoorthy ,  Andrew Carnegie

IPC: E21B43/12

CPC classification number: E21B33/1243 ,  E21B49/008 ,  G01V3/32

Abstract: An apparatus and method of measuring a parameter characteristic of a rock formation in an oil well is provided with a device for generating a sensing field within a volume of the rock formation and a device for causing a flow through the volume in the presence of the sensing field, further including sensors responsive to changes in the volume, wherein a sensor response is indicative of the amounts of fluid, particularly hydrocarbon and water saturations and irreducible hydrocarbon and water saturations. Measurements can be made before the flow affects the measuring volume and after onset of the flow through the measuring volume.

Abstract translation: 在油井中测量岩层的参数特征的装置和方法设置有用于在岩体的体积内产生感测场的装置和用于在存在感测的情况下使流体流过体积的装置 进一步包括响应于体积变化的传感器，其中传感器响应指示流体的量，特别是烃和水饱和度以及不可约的碳氢化合物和水饱和度。 测量可以在流量影响测量体积之前和流过测量体积的开始之后进行。

公开(公告)号：US20050119911A1

公开(公告)日：2005-06-02

申请号：US11007764

申请日：2004-12-08

Applicant: Cosan Ayan ,  Raj Banerjee ,  Omer Gurpinar

Inventor： Cosan Ayan ,  Raj Banerjee ,  Omer Gurpinar

IPC: G05B13/02 ,  G05B17/02 ,  G06F17/00 ,  G06T17/05 ,  G06F17/60

CPC classification number: G01V11/00 ,  G05B17/02 ,  G06T17/05

Abstract: A Single Well Predictive Model (SWPM) software based computer system stores a Single Well Predictive Model (SWPM) software. When the SWPM software is executed, the SWPM computer system will: (1) automatically produce a first specific workflow comprised of a first plurality of software modules in response to a first set of user objectives and automatically execute the first specific workflow in response to a first set of input data to produce a first desired product, and (2) automatically produce a second specific workflow comprised of a second plurality of software modules in response to a second set of user objectives and automatically execute the second specific workflow in response to a second set of input data to produce a second desired product. One ‘desired product’ is ‘3D reservoir response model’. There is no longer any need to separately and independently execute the first plurality of software modules of the first workflow in order to produce the first desired product, and there is no longer any need to separately and independently execute the second plurality of software modules of the second workflow in order to produce the second desired product. One example of a specific workflow is a Single Well Predictive Model Modular Dynamic Tester (SWPM-MDT) workflow. This SWPM-MDT workflow will simultaneously analyze several formation tester Interval Pressure Transient Tests (IPTT) as well as well tests and pressure gradients. An End Result, which is generated by the workflow, is a 3D representative reservoir model which will honor dynamic data and which can be used to study alternative completion and production scenarios.

Abstract translation: 基于单井预测模型（SWPM）软件的计算机系统存储单井预测模型（SWPM）软件。 当SWPM软件被执行时，SWPM计算机系统将：（1）响应于第一组用户目标自动地产生由第一组多个软件模块组成的第一特定工作流程，并响应于 第一组输入数据以产生第一期望产品，以及（2）响应于第二组用户目标自动产生由第二多个软件模块组成的第二特定工作流程，并响应于 第二组输入数据以产生第二所需产品。 一个“所需产品”是“3D储层响应模型”。 不再需要单独并且独立地执行第一工作流程的第一多个软件模块以便产生第一所需产品，并且不再需要单独和独立地执行第二个多个软件模块 第二工作流程以产生第二所需产品。 具体工作流程的一个例子是单井预测模型模块化动态测试仪（SWPM-MDT）工作流程。 该SWPM-MDT工作流程将同时分析多个形成测试仪间隔压力瞬态测试（IPTT）以及良好的测试和压力梯度。 由工作流生成的结束结果是一个3D代表性的储层模型，它将用于纪录动态数据，并可用于研究替代的完井和生产场景。

公开(公告)号：US08720552B2

公开(公告)日：2014-05-13

申请号：US13252015

申请日：2011-10-03

Applicant: Cosan Ayan ,  Fikri John Kuchuk ,  Terizhandur S. Ramakrishnan ,  Thomas J. Neville ,  Raghu Ramamoorthy ,  Andrew Carnegie

Inventor： Cosan Ayan ,  Fikri John Kuchuk ,  Terizhandur S. Ramakrishnan ,  Thomas J. Neville ,  Raghu Ramamoorthy ,  Andrew Carnegie

IPC: E21B43/12 ,  E21B47/00

CPC classification number: E21B33/1243 ,  E21B49/008 ,  G01V3/32

Abstract: An apparatus and method of measuring a parameter characteristic of a rock formation in an oil well is provided with a device for generating a sensing field within a volume of the rock formation and a device for causing a flow through the volume in the presence of the sensing field, further including sensors responsive to changes in the volume, wherein a sensor response is indicative of the amounts of fluid, particularly hydrocarbon and water saturations and irreducible hydrocarbon and water saturations. Measurements can be made before the flow affects the measuring volume and after onset of the flow through the measuring volume.

Abstract translation: 在油井中测量岩层的参数特征的装置和方法设置有用于在岩体的体积内产生感测场的装置和用于在存在感测的情况下使流体流过体积的装置 进一步包括响应于体积变化的传感器，其中传感器响应指示流体的量，特别是烃和水饱和度以及不可约的碳氢化合物和水饱和度。 测量可以在流量影响测量体积之前和流过测量体积的开始之后进行。

公开(公告)号：US20130174668A1

公开(公告)日：2013-07-11

申请号：US13814134

申请日：2011-07-20

Applicant: Cosan Ayan

Inventor： Andrew Charles Baker ,  Cosan Ayan

IPC: G01F1/74

CPC classification number: G01F1/74 ,  G01F1/44 ,  G01F1/704 ,  G01F25/0007

Abstract: Both a flow meter system and method are provided for accurately measuring the percentage amounts of liquid and gas phases in a multiphase flow through a conduit when the liquid phase constitutes a small minority portion (e.g., less than about 20%) of the multiphase flow. The system includes a flow meter that includes a differential pressure sensor connected across a Venturi in the conduit, and a dual energy fraction meter, each of which is operably connected to a digital processor. The system further includes a pump connected to the conduit upstream of the flow meter that introduces at least one pulse of a known quantity of liquid, the pulse being sufficient in volume to temporarily increase the liquid phase by a detectable amount. After the liquid pulse is introduced into the multi-phase flow, the digital processor computes the changes in the percentage amounts of the liquid and gas phases which should have occurred as a result of the pulse, and compares the computed changes with the actual changes measured by the flow meter in order to calibrate the flow meter. The measured increase in the liquid flow is then subtracted from the total measured liquid flow to determine the actual percentage of liquid flow.

Abstract translation: 提供了一种流量计系统和方法，用于当液相构成多相流的少量部分（例如，小于约20％）时，精确地测量通过导管的多相流中的液相和气相的百分比量。 该系统包括流量计，该流量计包括连接在管道中的文氏管两端的差压传感器，以及双能量分数表，每个能量分数表可操作地连接到数字处理器。 该系统还包括连接到流量计上游的导管的泵，其引入已知量的液体的至少一个脉冲，该脉冲的体积足以临时将液相增加可检测量。 在将液体脉冲引入多相流之后，数字处理器计算作为脉冲结果应该发生的液相和气相百分比的变化，并将计算出的变化与测量的实际变化进行比较 通过流量计来校准流量计。 然后从总测量的液体流中减去所测量的液体流量的增加，以确定液体流量的实际百分比。