本文關(guān)鍵詞：主成分分析法在煤層氣選區(qū)評(píng)價(jià)中的應(yīng)用　出處：《煤炭科學(xué)技術(shù)》2016年08期 　論文類型：期刊論文

  更多相關(guān)文章： 主成分分析法 黔西-滇東地區(qū) 煤層氣選區(qū) 參數(shù)定量化

【摘要】：為了對(duì)黔西-滇東地區(qū)煤層氣有利區(qū)塊進(jìn)行優(yōu)選,以6個(gè)主要區(qū)塊為研究對(duì)象,選取資源豐度、含氣飽和度、平均含氣量、含氣面積、煤層總厚度、Ro,max、平均滲透率、蘭氏體積、視儲(chǔ)層壓力和地應(yīng)力10個(gè)評(píng)價(jià)指標(biāo),采用主成分分析法,在眾多指標(biāo)中提取3個(gè)主成分,分別為煤儲(chǔ)層物性因素、煤儲(chǔ)層能量因素、煤層氣資源因素,依據(jù)主成分得分加權(quán)求和獲得各區(qū)塊的綜合得分。研究表明:織納礦區(qū)的煤儲(chǔ)層物性條件較好,盤縣礦區(qū)的資源條件和煤儲(chǔ)層能量條件較好,屬于煤層氣開發(fā)的最優(yōu)區(qū)塊;水城礦區(qū)和六枝礦區(qū)的資源條件和煤儲(chǔ)層能量條件較好,屬于煤層氣開發(fā)的較優(yōu)區(qū)塊;老廠礦區(qū)和恩洪礦區(qū)總體上也受煤儲(chǔ)層能量因素和資源因素控制,但煤儲(chǔ)層物性條件較差,符合"小而肥"的特點(diǎn),是煤層氣開發(fā)的一般區(qū)塊。
[Abstract]:In order to Qianxi - East Yunnan coalbed gas block were optimized by 6 main block as the research object, select the resource abundance, gas saturation, average gas content, gas bearing area, the total thickness of coal seam, Ro, Max, average permeability, Langmuir volume, as the reservoir pressure and stress 10 evaluation indicators by using the method of principal component analysis, 3 principal components were extracted in many indexes, respectively. The physical properties of coal reservoirs, coal reservoir energy factors, CBM resources factors, according to the comprehensive score of principal component score weighted sum of each block. The study shows that the condition of Zhina of coal reservoir is better, the resources condition and coal reservoir energy conditions in Panxian mining area is good, the optimal block belongs to the development of coalbed gas resources; coal reservoir conditions and energy conditions and six branches in Shuicheng mining area better, better block belongs to the development of coalbed gas; LAOCHANG mining area and Enhong mining area In general, it is also controlled by energy factors and resource factors of coal reservoirs, but the physical properties of coal reservoirs are poor, which is consistent with the characteristics of "small and fat", and is a general block of coalbed methane development.

【作者單位】： 中國(guó)礦業(yè)大學(xué)煤層氣資源與成藏過(guò)程教育部重點(diǎn)實(shí)驗(yàn)室;中國(guó)礦業(yè)大學(xué)資源與地球科學(xué)學(xué)院;
【基金】：國(guó)家科技重大專項(xiàng)資助項(xiàng)目(2016ZX05044001) 國(guó)家自然科學(xué)基金資助項(xiàng)目(41272178,41572140)
【分類號(hào)】：TD84
【正文快照】： 0引言黔西-滇東地區(qū)煤層氣資源豐富,分布較集中且產(chǎn)出條件良好,具有巨大的開發(fā)潛力[1],是我國(guó)為數(shù)不多的大型富氣帶之一。同時(shí),黔西-滇東地區(qū)構(gòu)造條件復(fù)雜[2],不同含氣區(qū)塊的煤儲(chǔ)層物性條件、煤儲(chǔ)層能量條件和煤層氣資源條件存在差異,在進(jìn)行選區(qū)工作時(shí)難度很大。因此,選擇合適

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