PRODUCTION OPTIMIZATION IN AN OIL AND/OR GAS PRODUCTION SYSTEM
    1.
    发明申请
    PRODUCTION OPTIMIZATION IN AN OIL AND/OR GAS PRODUCTION SYSTEM 审中-公开
    油和/或气体生产系统中的生产优化

    公开(公告)号:WO2008032201A3

    公开(公告)日:2008-07-24

    申请号:PCT/IB2007002678

    申请日:2007-09-17

    CPC classification number: E21B43/00 G05B13/042

    Abstract: A method for production optimization in an oil and/or a gas production system comprising: at least two flow sources leading to at least one common downstream flow line, and at least one manipulated variable of the production system, wherein the method comprises use of: a computational model of the production system comprising an interdependence between flow rates of said flow sources and a flow rate of the downstream flow line, and values of the manipulated variable; a feasible set defined by at least one constraint of the manipulated variable, and an objective function, to be optimized within said feasible set, defined by using said computational model. The method comprises the steps of: - splitting by calculation said feasible set into at least two subsets, - calculating, for each of said subsets, a best bound of said objective function by using said computational model, and - manipulating said manipulated variable by using said best bound to optimise said oil and/or gas production.

    Abstract translation: 一种用于油和/或气体生产系统中的生产优化的方法,包括:至少两个通向至少一个公共下游流动管线的流动源和所述生产系统的至少一个操纵变量,其中所述方法包括使用: 所述生产系统的计算模型包括所述流动源的流量与所述下游流动管线的流量之间的相互依赖性以及所述操纵变量的值; 由所述操作变量的至少一个约束定义的可行集合以及通过使用所述计算模型定义的在所述可行集合内优化的目标函数。 该方法包括以下步骤: - 通过计算将所述可行集合分解成至少两个子集, - 通过使用所述计算模型为每个所述子集计算所述目标函数的最佳界限,以及 - 通过使用所述操纵变量来操纵所述操纵变量 表示最好的优化所述油和/或天然气的生产。

    METHOD FOR PREDICTION IN AN OIL/GAS PRODUCTION SYSTEM
    2.
    发明申请
    METHOD FOR PREDICTION IN AN OIL/GAS PRODUCTION SYSTEM 审中-公开
    石油/天然气生产系统预测方法

    公开(公告)号:WO2009030756A3

    公开(公告)日:2009-06-25

    申请号:PCT/EP2008061787

    申请日:2008-09-05

    Abstract: Method in an oil and/or a gas production system comprising a plurality of oil and/or gas wells each producing a multiphase fluid stream, adapted for predicting change in produced fluids resulting from change in manipulated variables. Fitted model parameters which express the relationship between the change in manipulated variables and the produced fluids are determined from a set of historical production measurements. The method comprises the steps of: a. choosing a model structure which predicts change in produced fluids as a function of the change in manipulated variables, where the predicted change in produced fluids depends on the value of fitted model parameters; b. determining fitted model parameters so that predictions of produced fluids match said historical production measurements as closely as possible; c. determining a quality tag that describes the uncertainty of said predictions of change in produced fluids.

    Abstract translation: 一种在油和/或气生产系统中的方法,所述系统包括多个油井和/或气井,每个油井和/或气井产生多相流体流,适用于预测由操纵变量的变化引起的采出流体的变化。 根据一组历史生产测量结果确定拟合的模型参数,这些参数表示操纵变量和产出流体的变化之间的关系。 该方法包括以下步骤:a。 选择一个模型结构,预测产出流体的变化作为操纵变量变化的函数,其中产出流体的预测变化取决于拟合模型参数的值; 湾 确定拟合的模型参数,使得所生成的流体的预测尽可能接近所述历史生产测量; C。 确定描述所产生的流体变化的所述预测的不确定性的质量标签。

    METHOD IN AN OIL AND/OR GAS PRODUCTION SYSTEM FOR PARAMETER TESTING.
    3.
    发明申请
    METHOD IN AN OIL AND/OR GAS PRODUCTION SYSTEM FOR PARAMETER TESTING. 审中-公开
    用于参数测试的油和/或气体生产系统的方法。

    公开(公告)号:WO2008029232A3

    公开(公告)日:2008-05-22

    申请号:PCT/IB2007002460

    申请日:2007-08-28

    CPC classification number: E21B49/00 E21B43/00 G06Q10/04 G06Q50/06

    Abstract: The present invention relates to a method in an oil and/or a gas production system comprising a plurality of oil and/or gas wells and means adapted for oil and/or gas production parameter testing. The method is adapted to compare a plurality of options related to the oil and/or gas throughput in the oil and/or gas production system, and includes the steps of: a) drawing a plurality of parameter samples from a parameter distribution; b) generating, for each parameter sample, a performance measure by using said parameter sample and a characterizer for each of said options, and c) generating an aggregated performance measure for each of said options by using said performance measures. The parameter distribution and the generation of the performance measure are preferably obtained by a Monte Carlo simulation by using historical and/or online measured and/or estimated data obtained from the oil and/or gas production system. The said data preferably includes at least oil flow rate, gas flow rate, water flow rate, liquid flow rate, gas-oil ratio, water-oil ratio, pressure, temperature, or fluid composition, or any combination thereof.

    Abstract translation: 本发明涉及一种油和/或气体生产系统中的方法,其包括多个油和/或气井以及适用于油和/或气体生产参数测试的装置。 该方法适于比较与油和/或气体生产系统中的油和/或气体通量相关的多个选项,并且包括以下步骤:a)从参数分布中绘制多个参数样本; b)通过使用所述参数样本和每个所述选项的表征器,为每个参数样本生成性能度量,以及c)通过使用所述性能测量来为每个所述选项生成聚合性能测量。 参数分布和性能测量的产生优选通过蒙特卡罗模拟通过使用从油和/或气体生产系统获得的历史和/或在线测量和/或估计数据来获得。 所述数据优选至少包括油流量,气体流速,水流速,液体流速,瓦斯 - 油比,水 - 油比,压力,温度或流体组成,或其任何组合。

    Fremgangsmåte og system for forutsigelse i et olje-/gassproduksjonssystem

    公开(公告)号:NO327688B1

    公开(公告)日:2009-09-14

    申请号:NO20074557

    申请日:2007-09-07

    Applicant: ABB AS

    Abstract: Fremgangsmåte i et produksjonssystem for olje og/eller gass, som omfatter et antall olje- og/eller gassbrønner som hver produserer en multifasefluidstrøm, tilpasset for å prediktere endring i produserte fluider som følge av endring i manipulerte variabler. Tilpassede modellparametre som er uttrykk for forholdet mellom endringen av manipulerte variabler og de produserte fluidene blir bestemt ut fra et sett historiske produksjonsmålinger. Fremgangsmåten omfatter følgende trinn: a. valg av en modellstruktur som predikterer endring i produserte fluider som funksjon av endringen av manipulerte variabler, der den predikterte endringen i produserte fluider er avhengig av verdien av tilpassede modellparametre, b. bestemmelse av tilpassede modellparametre slik at predikteringer av produserte fluider tilsvarer nevnte historiske produksjonsmålinger så nært som mulig, c. bestemmelse av en kvalitetsmerkelapp som beskriver usikkerheten ved nevnte predikteringer av endring i produserte fluider. Oppfinnelsen omfatter også et system for produksjon av olje og/eller gass, samt et datamaskinprogram og et datamaskinprogramprodukt.

    Fremgangsmåte i et system for produksjon av olje og/eller gass

    公开(公告)号:NO325315B1

    公开(公告)日:2008-03-25

    申请号:NO20063837

    申请日:2006-08-29

    Applicant: ABB AS

    Abstract: Den foreliggende oppfinnelsen angår en fremgangsmåte i et olje- og/eller gassproduksjonssystem som omfatter et antall olje- og/eller gassbrønner og midler innrettet for olje- og/eller gassparametertesting. Fremgangsmåten er innrettet for å sammenlikne et antall opsjoner relatert til olje- og/eller gassgjennomstrømningen i olje- og/eller gassproduksjonssystemet, og inkluderer trinnene: a) å trekke ut et antall parameterprøver fra en parameterfordeling; b) å generere, for hver parameterprøve, et ytelsesmål ved å bruke nevnte parameterprøve og en karakteriserer for hver av de nevnte opsjoner, og c) å generere et aggregert ytelsesmål for hver av de nevnte opsjoner ved å bruke nevnte ytelsesmål. Parameterfordelingen og genereringen av ytelsesmålet fremskaffes fortrinnsvis ved hjelp av en Monte Carlo-simulering ved å bruke historiske og/eller sanntidsmålte og/eller estimerte data fremskaffet fra olje- og/eller gassproduksjonssystemet. Nevnte data inkluderer fortrinnsvis minst oljestrømningsrate, gassstrømningsrate, vannstrømningsrate, væskestrømningsrate, gass-olje-forhold, vann-olje-forhold, trykk, temperatur, eller væskesammensetning, eller en hvilken som helst kombinasjon av disse. Søknaden er også rettet på et dataprogramprodukt.

    10.
    发明专利
    未知

    公开(公告)号:NO20074557L

    公开(公告)日:2009-03-09

    申请号:NO20074557

    申请日:2007-09-07

    Applicant: ABB AS

    Abstract: Method in an oil and/or a gas production system including a plurality of oil and/or gas wells each producing a multiphase fluid stream, adapted for predicting change in produced fluids resulting from change in manipulated variables. Fitted model parameters which express the relationship between the change in manipulated variables and the produced fluids are determined from a set of historical production measurements. The method includes the steps of choosing a model structure which predicts change in produced fluids as a function of the change in manipulated variables, where the predicted change in produced fluids depends on the value of fitted model parameters, determining fitted model parameters so that predictions of produced fluids match said historical production measurements as closely as possible, and determining a quality tag that describes the uncertainty of the predictions of change in produced fluids.

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