本文選題：南黃海盆地 + 南五凹��； 參考：《中國海上油氣》2017年01期

【摘要】：南黃海盆地南部坳陷南五凹至今無商業(yè)油氣發(fā)現(xiàn),前人對其油氣資源前景的評價(jià)也較差,而鄰區(qū)與其地質(zhì)背景相似的蘇北盆地高郵凹陷截至2011年底已發(fā)現(xiàn)探明石油地質(zhì)儲量2億t。為了進(jìn)一步闡明南五凹的油氣資源潛力,采用目前國際上通用的生烴動力學(xué)方法模擬烴源巖的生排烴史。通過烴源巖巖屑和原油瀝青質(zhì)樣品的熱模擬實(shí)驗(yàn)數(shù)據(jù)計(jì)算生烴動力學(xué)參數(shù),并以原油儲量的成熟度分布數(shù)據(jù)進(jìn)行驗(yàn)證。研究結(jié)果表明,南五凹阜寧組烴源巖的生烴活化能僅為209 k J/mol,低于典型湖相烴源巖的生烴活化能,烴源巖在低熟階段就可以大量生烴,具有早生、早排的特點(diǎn);南五凹的排烴量可達(dá)29.5億m~3,石油地質(zhì)資源量約為2.7億~4.1億m~3,資源潛力可與蘇北盆地高郵凹陷媲美,下一步應(yīng)選擇匯油面積大、圈閉條件好的構(gòu)造實(shí)施鉆探。
[Abstract]:No commercial oil and gas have been found in South five sag South depression of South Huanghai basin to the present, and the future of oil and gas resources in the Gaoyou depression, similar to its geological background, has been found by the end of 2011, and the oil and gas reserves of 200 million T. have been discovered by the end of 2011 in order to further clarify the potential of oil and gas resources in the South five concave. The general hydrocarbon generation kinetics method is used to simulate the history of hydrocarbon generation and expulsion of source rocks. The kinetic parameters of hydrocarbon generation are calculated by the thermal simulation experimental data of source rock and crude oil asphaltene samples, and the data of maturity distribution of crude oil reserves are verified. The results show that the hydrocarbon generation activation energy of the source rocks of the South five concave Funing formation is only 209 K J/mol, Under the hydrocarbon generation activation energy of the typical lacustrine source rocks, the hydrocarbon source rocks can produce a large amount of hydrocarbon generation in the low maturity stage and have the characteristics of early generation and early row. The amount of hydrocarbon expulsion of the South five concave can reach 2 billion 950 million m~3, the petroleum geological resources are about 270 million ~4.1 billion m~3, and the potential of the resources can be comparable to the Gaoyou sag in the northern Jiangsu Basin. The next step should be to select the large oil sink area and trap conditions. A good structure implements drilling.

【作者單位】： 中海油研究總院;中國石油大學(xué)(北京)地球科學(xué)學(xué)院;
【基金】：“十二五”國家科技重大專項(xiàng)“近海富烴凹陷資源潛力再評價(jià)和新區(qū)、新領(lǐng)域勘探方向(編號:2011ZX05023-001)”部分研究成果
【分類號】：P618.13

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