ON FORMING CONDITIONS FOR NON-ANTICLINAL OIL AND GAS POOLS IN THE TARIM BASIN
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摘要: 塔里木盆地具备发育非背斜圈闭油气藏的条件。这是因为塔里木盆地是古生代克拉通盆地与中、新生代前陆盆地的叠合盆地,这两类盆地均可发育大型的古隆起和古斜坡。由于其在演化的历史中曾发生过多期海侵和海退,发生大规模的沉降和隆升构造变动,因而形成了各种复杂的古构造、古地理环境,并形成多个大型的不整合面。它们均可发育和形成非背斜圈闭油气藏,对这一类油气藏进行研究将为塔里木盆地油气勘探提供广阔的前景。Abstract: There are favorable condition for formation of non-anticlinal oil & gas pools in the Tarim Basin. The basin underwent superimposition of the Paleozoic cratonic basin and the Ceno-Mesozoic foreland basin, in which large scale of paleo-uplift and paleo-slope were developed. Because of several transgression and regression and large scale of structural movement of subsidance and uplift in its evolution history, various complicated paleo-structural and paleogeographic environments were developed. There are several unconformity surfaces in the basin. All of these proved conditions for formation of non-anticlinal oil and gas pools, which may indicate a bright future for hydrocarbon exploration in the basin.
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