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白音查干凹陷在勘探初期,在前人勘探成果基础上,积极做好勘探前期技术准备,强化地质综合研究、盆地类比分析,借鉴二连盆地其他地区成功的勘探经验,按照“主洼陷控油,斜坡为主找油”的基本指导思想,选准有利区带和有利目标,第一轮钻探即获得工业油流的突破。之后根据白音查干凹陷的具体情况,制定出“区域展开、局部解剖、整体评价”的勘探方针,围绕西部主力生油中心周边展开勘探工作,发现了达尔其和桑合稀、稠油断块-背斜油藏;其后,为了进一步扩大战果,寻找富集区块,对油气聚集规律和控制因素等进行了认真分析和总结,摸索出“泥岩盖层控油、反向断层封油、有利储集层富油”等油气聚集规律,从而发现了达9断块区稠油富集区,控制石油地质储量1769×10~4t;稀油勘探也取得了一定进展。
On the basis of previous exploration results, Baiyinchagan Sag actively completes the technical preparation for early exploration, strengthens the comprehensive geological research and analyzes the basin analogy. Drawing on the successful exploration experience in other areas of Erlian Basin, Oil control, slope mainly to find oil, “the basic guiding ideology, select the right zone and the favorable target, the first round of drilling that access to industrial oil flow breakthrough. Afterwards, according to the specific situation of Baiyin Chagan depression, an exploration guideline of ”regional deployment, local anatomy and overall evaluation“ was formulated and exploration work was carried out around the main oil production centers in western China. It was found that Dalki and Sanghe dilute and heavy oil fault blocks - anticline reservoir; Later, in order to further expand the success of the war, looking for enrichment blocks, the laws of hydrocarbon accumulation and control factors were carefully analyzed and summarized, to explore the ”mudstone cap oil control, reverse fault seal oil, favorable Reservoir rich "and other oil and gas accumulation laws, which discovered the Da 9 fault block heavy oil-rich area, controlling the oil geological reserves of 1769 × 10 ~ 4t; thin oil exploration has made some progress.