本文選題：牛堡組 + 烴源巖評價(jià)　； 參考：《地球科學(xué)》2017年04期

【摘要】：倫坡拉盆地是西藏地區(qū)唯一獲工業(yè)性油氣流的盆地,油氣勘探前景廣闊,但其勘探和研究程度均較低,對古近系牛堡組烴源巖的發(fā)育狀況認(rèn)識(shí)不清,制約了盆地油氣資源潛力評價(jià)和勘探選區(qū).通過研究鉆井、測井及相關(guān)化驗(yàn)測試等資料,利用測井多參數(shù)回歸和盆地?cái)?shù)值模擬等方法技術(shù),分析了牛堡組主要亞段有機(jī)質(zhì)豐度、類型及其展布等特征,模擬重建了烴源巖的熱成熟演化歷史,實(shí)現(xiàn)了對倫坡拉盆地牛堡組烴源巖的早期綜合評價(jià).研究表明:倫坡拉盆地古近系牛堡組烴源巖發(fā)育,并以牛二段中亞段分布最廣、厚度最大,在蔣日阿錯(cuò)凹陷最厚在400m以上,其中優(yōu)質(zhì)烴源巖(TOC1.0%)最厚可達(dá)170m;牛堡組總體上屬較好級別的烴源巖,其中牛二段上亞段較好-優(yōu)質(zhì)烴源巖所占比例最高,牛二段中亞段次之;牛堡組烴源巖有機(jī)質(zhì)類型以Ⅰ型和Ⅱ_1為主;有機(jī)質(zhì)成熟度總體呈中西部高、東部低的趨勢,牛二段中亞段烴源巖現(xiàn)今多處于中-晚期生油階段,牛二段上亞段和牛三段下亞段烴源巖現(xiàn)今多處于早期生油階段.牛二段中亞段烴源巖為倫坡拉盆地主力烴源巖,蔣日阿錯(cuò)凹陷為最重要的生烴凹陷.
[Abstract]:The Lunpola basin is the only basin in Tibet where industrial oil flow is obtained. The prospect of oil and gas exploration is broad, but its exploration and research degree is low, and the development of source rock of Niubu formation in Paleogene is not clear. It restricts the potential evaluation and exploration selection of oil and gas resources in the basin. By studying the data of drilling, logging and related laboratory tests, and using the techniques of logging multi-parameter regression and basin numerical simulation, the characteristics of organic matter abundance, types and distribution of the main submember of Niubu formation are analyzed. The thermal maturation evolution history of source rocks was reconstructed by simulation and the early comprehensive evaluation of Niubu formation source rocks in Luompola basin was realized. The results show that the source rocks of the Niubu formation of Paleogene in Luompola Basin are developed, and the middle segment of the second member of Niu is the most widely distributed and the thickness is the largest, and the thickest in Jiangri Acao depression is more than 400 m. The thickness of high quality source rock (TOC 1.0%) is up to 170 m.The Niupu formation is generally a good source rock, in which the upper submember of the Niu member is better than the high quality source rock, followed by the central member of the second member of Niu member. The organic matter types of Niubu formation source rocks are mainly type 鈪，

本文編號：2103612