【摘要】：姬塬油田黃219井區(qū)主力投產(chǎn)層位為延長(zhǎng)組的長(zhǎng)9儲(chǔ)層,2010年6月投入開(kāi)發(fā)。為了合理劃分儲(chǔ)集層,預(yù)測(cè)儲(chǔ)層的分布及性質(zhì),基于此開(kāi)展姬塬油田黃219井區(qū)長(zhǎng)9油藏流動(dòng)單元研究,為下一步提出油藏開(kāi)發(fā)治理政策奠定基礎(chǔ)。本次研究針對(duì)研究區(qū)長(zhǎng)9層位進(jìn)行精細(xì)的地層劃分與對(duì)比,在此基礎(chǔ)上以單井分層為基礎(chǔ),對(duì)研究區(qū)構(gòu)造特征進(jìn)行了分析刻畫。結(jié)合沉積相標(biāo)志開(kāi)展單井相、測(cè)井相、連井剖面以及平面展布的綜合分析,認(rèn)為長(zhǎng)9油藏以三角洲平原亞相為主,主要發(fā)育分流河道、河道側(cè)翼和分流間灣三種微相類型。利用收集到的取心井的分析化驗(yàn)資料、測(cè)井資料等,對(duì)儲(chǔ)層進(jìn)行巖性物性分析、物性下限以及油水層識(shí)別標(biāo)準(zhǔn)分析,建立測(cè)井解釋模型,并對(duì)全區(qū)173口井的測(cè)井資料進(jìn)行精細(xì)測(cè)井?dāng)?shù)據(jù)處理和地質(zhì)條件約束下的測(cè)井解釋,并開(kāi)展非均質(zhì)性研究。在此基礎(chǔ)上采用巖性—物性劃分方法,應(yīng)用SPSS軟件,以取心井的孔隙度、滲透率、流動(dòng)層帶指標(biāo)等參數(shù)為變量,進(jìn)行樣品聚類分析,對(duì)聚類結(jié)果進(jìn)行判別分析,得出判別公式,以此對(duì)非取心井進(jìn)行流動(dòng)單元類型判定,劃分出能綜合反映儲(chǔ)層儲(chǔ)集、滲流及含油氣性等多種信息的流動(dòng)單元,對(duì)研究區(qū)流動(dòng)單元進(jìn)行空間刻畫,進(jìn)而分析其與沉積微相和儲(chǔ)層物性、巖性之間的聯(lián)系,并結(jié)合試油數(shù)據(jù)和生產(chǎn)數(shù)據(jù)進(jìn)行動(dòng)態(tài)特征分析。
[Abstract]:Chang9 reservoir of Yanchang formation is the main production horizon in Huang219 well area of Jiyuan Oilfield. It was put into development in June 2010. In order to reasonably divide the reservoir and predict the distribution and properties of the reservoir, the flow unit of Chang9 reservoir in area Huang219 of Jiyuan Oilfield is studied, which lays a foundation for putting forward the policy of reservoir development and management. On the basis of the fine stratigraphic division and correlation of the 9 layers in the study area, the structural characteristics of the study area are analyzed and characterized on the basis of single well stratification. Combined with the comprehensive analysis of single well facies, logging facies, continuous well profile and plane distribution of sedimentary facies, it is concluded that the main subfacies of Chang9 reservoir is delta plain subfacies, with three microfacies types: distributary channel, channel flank and interdistributary bay. Based on the collected core well analysis data and logging data, the lithology and physical properties of the reservoir, the lower limit of the physical property and the identification standard of the oil-water layer are analyzed, and the log interpretation model is established. The logging data of 173 wells in the whole area are processed with fine logging data and interpreted under the constraints of geological conditions, and the heterogeneity is studied. On this basis, using the method of lithology and physical property division and using SPSS software, taking the porosity, permeability and flow zone index of core well as variables, the sample cluster analysis is carried out, and the discriminant formula is obtained by discriminating the clustering result. On the basis of this, the flow unit type of non-coring well is determined, and the flow unit which can comprehensively reflect reservoir, percolation and oil and gas properties is divided, and the flow unit in the study area is described in space. Furthermore, the relationship between it and sedimentary microfacies, reservoir physical properties and lithology is analyzed, and the dynamic characteristics of oil test data and production data are analyzed.
【學(xué)位授予單位】：西安石油大學(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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