BN區(qū)塊Strawn及Ellenburger油層潛力預(yù)測(cè)
本文選題:油層劃分對(duì)比 + 儲(chǔ)層特征。 參考:《東北石油大學(xué)》2015年碩士論文
【摘要】:在對(duì)研究區(qū)潛力層位進(jìn)行預(yù)測(cè)過(guò)程中,對(duì)儲(chǔ)層特征的研究是不可缺少的。本次研究的BN區(qū)塊隸屬于博蘭(Pollan)油田,位于美國(guó)德克薩斯州西北部,區(qū)塊在大的區(qū)域上位于美國(guó)的二疊盆地,該區(qū)塊需要對(duì)油層進(jìn)行劃分與對(duì)比、儲(chǔ)層特征以及潛力層位等問(wèn)題進(jìn)一步開(kāi)展深入研究。在研究區(qū)內(nèi)井進(jìn)行篩選,選擇標(biāo)準(zhǔn)井,選擇鉆遇本區(qū)所有層系,標(biāo)志層明顯,完鉆深度高于全區(qū)的31039井做為分層標(biāo)準(zhǔn)井,采用“旋回對(duì)比,分級(jí)控制”的對(duì)比方法,對(duì)研究區(qū)31口井、5套層系,9個(gè)油層組進(jìn)行對(duì)比統(tǒng)層工作,在此基礎(chǔ)上,對(duì)儲(chǔ)層的構(gòu)造特征進(jìn)行了研究,重新劃分了油水界限,將原油水界限由-5500ft上調(diào)至-5490ft。在此基礎(chǔ)上,對(duì)研究區(qū)儲(chǔ)層厚度進(jìn)行劃分,孔、滲、飽參數(shù)進(jìn)行了解釋,并將解釋結(jié)果和實(shí)際情況相結(jié)合,綜合分析研究?jī)?chǔ)層參數(shù)分布特征,根據(jù)解釋數(shù)據(jù)及結(jié)果,利用容積法對(duì)研究區(qū)各個(gè)油層進(jìn)行了地質(zhì)儲(chǔ)量計(jì)算及儲(chǔ)層評(píng)價(jià),綜合上述研究成果,進(jìn)而對(duì)研究區(qū)曲線特征、構(gòu)造特征、錄井特征、有效厚度分布規(guī)律、物性參數(shù)及油田的生產(chǎn)動(dòng)態(tài)數(shù)據(jù)進(jìn)行綜合分析,最終預(yù)測(cè)出潛力層位,為下一步的生產(chǎn)開(kāi)發(fā)提供依據(jù),研究?jī)?yōu)勢(shì)儲(chǔ)層分布規(guī)律,尋找剩余油富集區(qū),從而維持油田經(jīng)濟(jì)有效的生產(chǎn)。
[Abstract]:The study of reservoir characteristics is indispensable in the prediction of potential horizon in the study area.The BN block in this study belongs to the Boran Pollan oil field, located in the northwestern Texas of the United States. The block is located in the United States' Permian Basin in a large area, and the block needs to be divided and correlated.Further research on reservoir characteristics and potential horizons has been carried out.In the study area, the wells are screened, the standard wells are selected, and the 31039 wells with marked layers and higher drilling depth than the whole area are selected as the stratified standard wells. The contrast method of "cycle contrast, grading control" is adopted.On the basis of the study of 31 wells and 5 sets of layers and 9 reservoir formations, the structural characteristics of the reservoir are studied, and the boundaries of oil and water are re-divided, and the original limit of oil and water is raised from -5500ft to -5490ft.On this basis, the reservoir thickness, pore, permeability and saturation parameters in the study area are interpreted, and the distribution characteristics of reservoir parameters are comprehensively analyzed and studied according to the interpretation data and results, by combining the interpretation results with the actual conditions.The geological reserves and reservoir evaluation of each reservoir in the study area were calculated by volume method, and the above research results were synthesized, and the curve characteristics, structural characteristics, logging characteristics, effective thickness distribution law of the study area were further analyzed.Through comprehensive analysis of physical property parameters and production performance data of oil fields, potential horizon is finally predicted, which provides the basis for further production and development, studies the distribution law of superior reservoirs, and looks for remaining oil-rich areas.Thus maintaining the economic and effective production of the oil field.
【學(xué)位授予單位】:東北石油大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:P618.13
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