[1]唐勇,郭文建,王霞田,等.玛湖凹陷砾岩大油区勘探新突破及启示[J].新疆石油地质,2019,(02):127.[doi:10.7657/XJPG20190201]
 TANG Yong,GUO Wenjian,WANG Xiatian,et al.A New Breakthrough in Exploration of Large Conglomerate Oil Province in Mahu Sag and Its Implications[J].Xinjiang Petroleum Geology,2019,(02):127.[doi:10.7657/XJPG20190201]
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玛湖凹陷砾岩大油区勘探新突破及启示()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2019年02期
页码:
127
栏目:
出版日期:
2019-03-28

文章信息/Info

Title:
A New Breakthrough in Exploration of Large Conglomerate Oil Province in Mahu Sag and Its Implications
文章编号:
1001-3873(2019)02-0127-11
作者:
唐勇郭文建王霞田鲍海娟吴海生
(中国石油 新疆油田分公司 勘探开发研究院,新疆 克拉玛依 834000)
Author(s):
TANG Yong GUO Wenjian WANG Xiatian BAO Haijuan WU Haisheng
(Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China)
关键词:
准噶尔盆地玛湖凹陷砾岩油藏退覆式扇三角洲源上大面积成藏
Keywords:
Junggar basin Mahu sag conglomerate reservoir retrogradational fan delta above-source hydrocarbon accumulation
分类号:
TE122
DOI:
10.7657/XJPG20190201
文献标志码:
A
摘要:
准噶尔盆地玛湖凹陷1993年发现玛北油田、1994年发现玛6井区油藏之后,近20年勘探工作未获重大进展。2010年,针对玛湖凹陷资源条件、储集层条件和增产潜力进行了整体评价,认为玛湖凹陷斜坡区是石油预探的重大战略领域。由此转变勘探理念,由源边断裂带构造勘探逐步转到源内主体区岩性勘探,自2012年之后连续6年持续获得发现,截至目前已发现六大油藏群,形成南、北两个大油区。新增三级储量12.4×108 t,其中探明地质储量5.2×108 t. 玛湖凹陷砾岩大油区的发现,证实了源上砾岩储集层在断裂沟通下可大面积成藏,证实了细分切割体积压裂技术能够实现低渗透砾岩油藏的有效开发。
Abstract:
There had been no significant breakthrough in petroleum exploration in Mahu sag of Junggar basin for about 20 years after the discoveries of Mabei oilfield in 1993 and Ma-6 area in 1994. An overall evaluation was conducted regarding the resources, reservoirs and stimulation potential in Mahu sag in the year of 2010. The results showed that the slope area in Mahu sag was the key strategic area for petroleum exploration. Then the exploration idea was changed from the exploration for structures in the fault zones around source to the exploration for lithological reservoirs in the major area within source. Since 2012 more and more discoveries have been achieved successively. Up to now, 6 large reservoir groups have been discovered and 2 large oil provinces have been proved in the south and north, respectively. The incremental OOIP is 12.4×108 t, among which the proved reserves is 5.2×108 t. The discovery of the large conglomerate oil province proves that hydrocarbon could accumulate in the above-source conglomerate reservoirs under the conditions of fracture connecting, and efficient development could be realized in low-permeability conglomerate reservoirs by using fine volume fracturing technology

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更新日期/Last Update: 2019-03-28