【正文】 古龍地區(qū)復(fù)雜儲層流體識別 方法研究 大慶石油學(xué)院 I 目 錄 前 言 .......................................................................................................................................... 3 一、項(xiàng)目概述 ........................................................................................................................ 3 二、合同的執(zhí)行情況 .............................................................................................................. 5 三、低阻油層測井評價(jià)研究與進(jìn)展 ......................................................................................... 7 四、取得成果及認(rèn)識 .............................................................................................................13 第一章 研究區(qū)地質(zhì)概況 ..............................................................................................................15 、斷裂特征 .............................................................................................................15 構(gòu)造特征 ...............................................................................................................15 斷裂特征 ...............................................................................................................16 沉積特征與油層劃分 .......................................................................................................16 沉積特征 ...............................................................................................................16 油層組劃分 ............................................................................................................16 儲層巖性、物性特征 .......................................................................................................17 儲層巖性特征 ........................................................................................................17 儲層物性特征 ........................................................................................................18 油藏性質(zhì)及特征 ..............................................................................................................18 油水分布特征 ........................................................................................................18 油藏類型 ...............................................................................................................19 流體性質(zhì) .........................................................................................................................19 溫度和壓力 .....................................................................................................................19 第二章 巖石物理實(shí)驗(yàn) ..................................................................................................................21 實(shí)驗(yàn)內(nèi)容 ........................................................................................................................21 巖心選擇說明 .................................................................................................................21 完成的實(shí)驗(yàn)項(xiàng)目 .............................................................................................................23 第三章 葡萄花油層儲層“四性”關(guān)系研究 ..................................................................................24 葡萄花油層的巖性、含油性與物性關(guān)系 ..........................................................................24 葡萄花油層的物性、含油性與電性關(guān)系 ..........................................................................26 第四章 低阻油層成因機(jī)理研究 ....................................................................................................31 低阻油層成因機(jī)理研究 ...................................................................................................31 巖性特征 ..............................................................................................................31 物性特征 ..............................................................................................................35 孔隙結(jié)構(gòu)特征 .......................................................................................................36 粘土礦物特征 .......................................................................................................39 地層水礦化度特征 ................................................................................................40 低阻油層成因機(jī)理總結(jié) .........................................................................................41 高阻水層成因機(jī)理研究 ...................................................................................................42 殘余油影響占主導(dǎo)的高阻水層 ...............................................................................42 鈣質(zhì)影響占主導(dǎo)的高阻水層 ..................................................................................42 殘余油和鈣質(zhì)影響共同作用的高阻水層 .................................................................44 第五章 儲層巖電實(shí)驗(yàn)規(guī)律研究 ....................................................................................................45 地層因素與孔隙度關(guān)系研究 ............................................................................................45 II 膠結(jié)指數(shù)變化規(guī)律研究 ...................................................................................................46 電阻增大系數(shù)與含水飽和度關(guān)系研究 ..............................................................................53 飽和度指數(shù)變化規(guī)律研究 ...............................................................................................55 b 值變化規(guī)律研究 ............................................................................................................61 第六章 儲層參數(shù)解釋方法 ...........................................................................................................66 確定地層泥質(zhì)含量 ...........................................................................................................66 確定地層孔隙度 ..............................................................................................................66 確定束縛水飽和度 ..........................................................................................................69 確定地層滲透率 ......................................