【摘要】：剩余可采儲(chǔ)量、剩余可采儲(chǔ)采比和剩余可采程度是判斷油氣田當(dāng)前開(kāi)發(fā)形勢(shì)的重要指標(biāo),是決策是否進(jìn)行開(kāi)發(fā)調(diào)整的重要基礎(chǔ),因而受到全球各石油公司的高度重視。根據(jù)中國(guó)行業(yè)標(biāo)準(zhǔn),評(píng)價(jià)可采儲(chǔ)量的方法主要包括水驅(qū)曲線法、產(chǎn)量遞減法和預(yù)測(cè)模型法。水驅(qū)曲線法僅適用于水驅(qū)開(kāi)發(fā)的油田,而產(chǎn)量遞減法和預(yù)測(cè)模型法則適用于已經(jīng)進(jìn)入遞減階段的任何儲(chǔ)集類(lèi)型、驅(qū)動(dòng)類(lèi)型和開(kāi)采方式的油氣田。DeGolyer and MacNaughton和Ryder Scott兩家評(píng)估公司對(duì)中國(guó)境內(nèi)油氣田的剩余經(jīng)濟(jì)可采儲(chǔ)量進(jìn)行年度儲(chǔ)量資產(chǎn)價(jià)值評(píng)價(jià)所使用的方法是由美國(guó)證券交易委員會(huì)多部門(mén)團(tuán)隊(duì)提供的Arps指數(shù)遞減的變異公式。利用適用于不同開(kāi)發(fā)模式的廣義指數(shù)遞減法,推導(dǎo)得到了油氣田年度經(jīng)濟(jì)可采儲(chǔ)量、剩余經(jīng)濟(jì)可采儲(chǔ)量、技術(shù)可采儲(chǔ)量、剩余技術(shù)可采儲(chǔ)量、剩余可采儲(chǔ)采比和剩余可采程度的計(jì)算公式,并對(duì)DeGolyer and MacNaughton公司使用的變異指數(shù)遞減法進(jìn)行了說(shuō)明和評(píng)價(jià)。通過(guò)8個(gè)油田實(shí)際應(yīng)用結(jié)果表明,筆者提供的計(jì)算方法實(shí)用有效。
[Abstract]:The remaining recoverable reserves, the ratio of remaining recoverable reserves and the degree of residual recoverability are the important indexes to judge the current development situation of oil and gas fields, and are the important basis for the decision on whether to carry out the development adjustment or not, so the oil companies all over the world attach great importance to it. According to Chinese industry standards, the methods of evaluating recoverable reserves include water drive curve method, production decline method and prediction model method. The water drive curve method is only applicable to oil fields developed by water drive, while the production decline method and the prediction model method are applicable to any reservoir type that has entered the decline stage. The method used by DeGolyer and MacNaughton and Ryder Scott to evaluate the value of remaining recoverable reserves in oil and gas fields in China is by the Securities and Exchange Commission of the United States. A variation formula for decreasing Arps exponent will be provided by multi-departmental teams. By using the generalized exponential decline method suitable for different development models, the annual economic recoverable reserves, remaining economic recoverable reserves, technical recoverable reserves and remaining technical recoverable reserves of oil and gas fields are derived. The formula for calculating residual recoverable ratio and residual recoverable degree is given, and the variation index decline method used by DeGolyer and MacNaughton Company is explained and evaluated. The practical application results in 8 oilfields show that the calculation method provided by the author is practical and effective.
【作者單位】： 中國(guó)石油勘探開(kāi)發(fā)研究院;
【分類(lèi)號(hào)】：TE328

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