本文選題：紫金山　切入點(diǎn)：上古生界　出處：《中國礦業(yè)大學(xué)》2017年碩士論文

【摘要】：多類型儲(chǔ)層地質(zhì)建模及合采兼容性數(shù)值試驗(yàn),不僅能夠直觀準(zhǔn)確的表達(dá)地質(zhì)構(gòu)造及儲(chǔ)層參數(shù)空間信息,而且可為合采開發(fā)方案提供關(guān)鍵依據(jù),從而確保多類型儲(chǔ)層非常規(guī)天然氣資源得到充分、合理的開發(fā)利用。本文在系統(tǒng)總結(jié)紫金山北上古生界多類型疊置非常規(guī)天然氣儲(chǔ)層和資源特征基礎(chǔ)上,利用Petrel地質(zhì)建模軟件構(gòu)建三維地質(zhì)模型,采用Eclipse數(shù)值模擬軟件開展多類型儲(chǔ)層天然氣合采兼容性數(shù)值試驗(yàn),提出多儲(chǔ)層合采初步選區(qū)、選層開發(fā)方案。結(jié)果顯示,紫金山北區(qū)整體構(gòu)造簡單,廣覆式生烴的煤系烴源巖與大面積分布的致密砂巖儲(chǔ)集層、煤儲(chǔ)層及泥頁巖儲(chǔ)層相互疊置,有利于煤層氣、致密砂巖氣和泥頁巖氣成藏;主力煤層厚度較大且分布穩(wěn)定,含氣量高,滲透性好,總體上處于略微欠壓狀態(tài);致密砂巖儲(chǔ)層廣泛發(fā)育,空間連續(xù)性較好,含氣飽和度較高,孔隙度較低,滲透率較高,儲(chǔ)層壓力系數(shù)變化不大,多數(shù)集中在0.6~1.1之間,以欠壓為主,有常壓儲(chǔ)層發(fā)育;區(qū)內(nèi)煤系泥頁巖含氣量極低,生產(chǎn)潛力小,煤層氣與致密砂巖聯(lián)合開發(fā)資源潛力較大。利用測井解釋、地震解釋及分層等數(shù)據(jù),構(gòu)建了多類型儲(chǔ)層氣藏三維精細(xì)地質(zhì)模型,包括構(gòu)造模型、巖相模型和相控屬性模型,其準(zhǔn)確性和精確度較高。首次構(gòu)建了逐層疊加合采選區(qū)數(shù)值判別方法和評(píng)價(jià)界限,指出工區(qū)初步選區(qū)、選層開發(fā)方案:太原組砂巖整體單采、山西組煤層與石千峰組砂巖在工區(qū)西部均單采,其它采用合層開發(fā)。其中,適合合采層組合方式包括:上石盒子組砂巖-下石盒子組砂巖(A組合),位于工區(qū)整體區(qū)域;下石盒子組砂巖-山西組煤層(B組合),位于工區(qū)東南部分和西北部的大部分地區(qū);石千峰組砂巖-上石盒子組砂巖-下石盒子組砂巖-山西組煤層(C組合),位于工區(qū)中東部區(qū)域。
[Abstract]:Multi-type reservoir geological modeling and compatibility numerical test not only can express geological structure and reservoir parameter spatial information intuitively and accurately, but also can provide the key basis for combined production development scheme. In order to ensure that the unconventional natural gas resources of multi-type reservoirs are fully and reasonably exploited and utilized, this paper systematically summarizes the multi-type superimposed unconventional natural gas reservoirs and resource characteristics of the Upper Paleozoic in the North Zijinshan area. Using Petrel geological modeling software to construct 3D geological model, using Eclipse numerical simulation software to carry out numerical test on compatibility of natural gas production of multiple types of reservoirs, and putting forward preliminary selection and development plan of multi-reservoir combined production. The results show that, The whole structure of Zijinshan North is simple, the coal-measure hydrocarbon source rock with wide overlying hydrocarbon generation type and the dense sandstone reservoir with large area distribution, coal reservoir and shale reservoir overlap each other, which is advantageous to the formation of coalbed methane, tight sandstone gas and shale gas reservoir. The main coal seams are of large thickness and stable distribution, high gas content, good permeability, and are in a slightly underpressure state on the whole; tight sandstone reservoirs are widely developed, with good spatial continuity, high gas saturation, low porosity and high permeability. The pressure coefficient of the reservoir has little change, most of them are between 0.6 and 1.1, mainly under pressure, with normal pressure reservoir developed, the gas content of coal shale in this area is very low, and the production potential is small. Based on the data of logging interpretation, seismic interpretation and stratification, 3D fine geological model of multi-type reservoir gas reservoir is constructed, including structural model, lithofacies model and facies control attribute model. The accuracy and accuracy of the method are high. For the first time, the numerical discrimination method and evaluation limit of superimposed combined mining area are constructed for the first time, and it is pointed out that the primary selection area and the development plan of the selected layer are as follows: the whole single production of the sandstone in Taiyuan formation. The coal seam of Shanxi formation and sandstone of Shiqianfeng formation are single mined in the western part of the work area, and the others are developed by combined strata. Among them, the suitable combination of combined strata includes: the sandstone of the upper Shihezi formation and the sandstone of the lower Shihezi formation, located in the whole area of the work area; The sandstone-Shanxi seam B assemblage of the Xiashihezi formation is located in the southeast part and the northwest part of the working area. Shiqianfeng sandstone-Shangshihezi sandstone-Xiashihezi sandstone-Shanxi coal seam C assemblage is located in the central and eastern part of the working area.
【學(xué)位授予單位】：中國礦業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：P618.13

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