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1、1中國(guó)石油二〇一二年四月.無(wú)錫松遼盆地上白堊統(tǒng)青山口組致密油儲(chǔ)層特征報(bào)告提綱一、區(qū)域概況二、致密油儲(chǔ)層特征三、致密油勘探潛力四、幾點(diǎn)認(rèn)識(shí)松遼盆地晚白堊紀(jì)地層綜合圖一、區(qū)域概況1.松遼盆地上白堊統(tǒng)發(fā)育兩套優(yōu)質(zhì)烴源巖,以青山口組為主大慶長(zhǎng)垣齊家松遼盆地北部中淺層勘探成果圖西部斜坡古龍安達(dá)三肇主體尚家-太平川雙城?青山口組單井產(chǎn)油1.04~71.26t/d.15.257025757.3.2305.350722.0800097105.2535.88002.257557.2.2230172.30188568
2、9674.7018006800320020m2.青一段烴源巖平均厚度60m,生油條件最好203030405000066070070070705070078080080800808700099096540001000001000015圖例一級(jí)構(gòu)造二級(jí)構(gòu)造25等值線(m)10實(shí)測(cè)數(shù)據(jù)點(diǎn)8060403045(公里)松遼盆地北部青一段暗色泥巖等厚圖22.25.252.2522.575.5753333.253.253.5.53.53.5754443.250153045(公里)2圖例一級(jí)構(gòu)造二級(jí)構(gòu)造TOC(%
3、)(%)43.532.50青一段泥巖有機(jī)碳等值線圖?暗色泥巖平均厚度60m,凹陷主體一般大于70m?干酪根以Ⅰ型為主,有機(jī)碳含量(TOC)平均2.13%50.550.551.0751520752.1.050.255200.5.1.20.50.250.5.50250.5?凹陷主體:Ro≥0.6%面積31060km2,生油強(qiáng)度≥2×106t/km250.70.7.1111.255011.2511.1.1.2750153045(公里)圖例1一級(jí)構(gòu)造二級(jí)構(gòu)造Ro(%)00.50.751.22.0青一段烴源
4、巖鏡質(zhì)體反射率等值線圖(百萬(wàn)噸/平方公里)青一段烴源巖生油強(qiáng)度圖2.青一段烴源巖平均厚度60m,生油條件最好TOC(%)“A”(%)S1+S2(mg/g)2.青一段烴源巖平均厚度60m,生油條件最好?松遼盆地北部S1+S2平均16.37mg/g,生油條件最好2.842.472.563.153.153.762.0521043三肇古龍齊家長(zhǎng)垣王府朝陽(yáng)溝黑魚泡0.6260.5520.4410.5030.480.4450.1840.30.20.100.40.60.50.7三肇古龍齊家長(zhǎng)垣王府朝陽(yáng)溝黑魚泡1
5、6.957.6615.2520.4320.522.712.135020151025三肇古龍齊家長(zhǎng)垣王府朝陽(yáng)溝黑魚泡0.51.750525.515001105002550.5525055200051201275212.5.51.25122.1.327531203002551.1.725201.73.青二、三段烴源巖平均厚度200m,生油條件較好?暗色泥巖平均厚度200m,凹陷主體一般大于300m?干酪根為Ⅰ~Ⅱ1型,有機(jī)碳含量(TOC)平均1.11%松遼盆地北部青二、三段暗色泥巖等厚圖松遼盆地北部青
6、二、三段泥巖有機(jī)碳等值線圖05050011502002200200505015015050000335053504004505500153045(公里)圖例一級(jí)構(gòu)造二級(jí)構(gòu)造25等值線(m)實(shí)測(cè)數(shù)據(jù)點(diǎn)0.50.0.50.0.750.750751111.251.1.511.1.51.1..51.251.725225.2521.552.5.52535950639.250153045(公里)3圖例一級(jí)構(gòu)造二級(jí)構(gòu)造.7TOC(%)57.051555252.0.0257.5057.052.52.0.0522.
7、5.00010110..0.250.250.0.250.50.50.51.250.11.251.50153045(公里)圖例1一級(jí)構(gòu)造二級(jí)構(gòu)造Ro(%)00.50.751.22.0150.25?凹陷主體:Ro≥0.6%面積16420km2,生油強(qiáng)度≥1×106t/km2青二、三段烴源巖生油強(qiáng)度圖青二、三段源巖鏡質(zhì)體反射率等值線圖3.青二、三段烴源巖平均厚度200m,生油條件較好(百萬(wàn)噸/平方公里)TOC(%)“A”(%)S1+S2(mg/g)3.青二、三段烴源巖平均厚度200m,生油條件較好?松遼
8、盆地北部S1+S2平均6.05mg/g,生油條件較好0.650.911.361.41.371.181.3210.80.60.40.201.61.41.2三肇古龍齊家長(zhǎng)垣王府朝陽(yáng)溝黑魚泡0.0560.2050.1440.0580.1660.1660.1660.0500.20.150.10.25三肇古龍齊家長(zhǎng)垣王府朝陽(yáng)溝黑魚泡2.437.382.387.468.115.389.28321010987654三肇古龍齊家長(zhǎng)垣王府朝陽(yáng)溝黑魚泡報(bào)告提綱一、區(qū)域概況二、致密油儲(chǔ)層特征三、致密油勘