|本期目录/Table of Contents|

[1]周东红.渤海海域新生界火山岩发育区地震资料处理关键技术[J].中国海上油气,2019,31(06):13-24.[doi:10.11935/j.issn.1673-1506.2019.06.003]
 ZHOU Donghong.Key technologies for seismic data processing of the Cenozoic volcanic rock development areas in the Bohai sea[J].China Offshore Oil and Gas,2019,31(06):13-24.[doi:10.11935/j.issn.1673-1506.2019.06.003]
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渤海海域新生界火山岩发育区地震资料处理关键技术()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年06期
页码:
13-24
栏目:
渤海海域油气勘探开发成果专辑
出版日期:
2019-11-21

文章信息/Info

Title:
Key technologies for seismic data processing of the Cenozoic volcanic rock development areas in the Bohai sea
文章编号:
1673-1506(2019)06-0025-09
作者:
周东红
(中海石油(中国)有限公司天津分公司 天津 300459)
Author(s):
ZHOU Donghong
(CNOOC China Limited, Tianjin Branch, Tianjin 300459, China)
关键词:
渤海海域 新生界火山岩 广义S变换 能量补偿 多次波衰减 速度建模 渤中34-9油田
Keywords:
Bohai sea Cenozoic volcanic rocks generalized S transform energy compensation multiple wave attenuation velocity modeling BZ34-9 oilfield
分类号:
TE132.1+4
DOI:
10.11935/j.issn.1673-1506.2019.06.003
文献标志码:
A
摘要:
与新生界火山岩相关的油气藏正逐渐成为渤海海域勘探与开发的重要目标,但由于火山岩的存在带来的地震波强的屏蔽和吸收作用、火山岩地层间严重的多次波以及火山岩体造成的空间速度变化大与速度场精细建模难度大的问题,严重影响了火山岩发育区地震资料的品质。本文根据渤海海域新生界火山岩发育区地震资料情况,开展了基于广义S变换的时频空间域能量补偿、层间多次波衰减、小尺度异常体三维速度场精细建模等方面的关键技术研究,形成了火山岩发育区地震资料处理流程,指导了渤中34-9油田火山岩发育区地震资料处理,有效改善了火山机构及其下伏地层的成像品质,并在ODP阶段依据新资料对油田区内火山通道进行了重新刻画,所落实的东三段含油面积较OIP阶段累计增加0.97 km2,储量增加约316×104t。本文研发的渤海海域新生界火山岩发育区地震资料处理关键技术可以保障火山岩发育区的最终成像质量,具有一定的工业应用价值。
Abstract:
The oil and gas reservoirs associated with the Cenozoic volcanic rocks are gradually becoming an important target for the exploration and development of the Bohai sea. However, due to the strong shielding and absorption of seismic waves caused by the existence of volcanic rocks, the severe multiple waves among volcanic rocks, the large spatial velocity variation and the difficulty in fine modeling of velocity field caused by volcanic rocks, the quality of seismic data in the volcanic rocks development areas are seriously deteriorated. Based on the seismic data of the Cenozoic volcanic rocks development areas in the Bohai sea, this paper carried out studies on the key technologies such as the generalized S transform-based time-frequency spatial domain energy compensation, inter-layer multiple-wave attenuation and fine modeling of small-scale anomaly three-dimensional velocity field, etc. The seismic data processing flow of the volcanic rocks development areas has been developed, and it has been applied to guide the volcanic rocks seismic data processing of BZ34-9 oilfield. Those technologies effectively improve the imaging quality of volcanic structure and its underlying strata, and the volcanic channel inside oilfield area has been re-delineated according to new data in the ODP stage. The oil-bearing area of the Dong 3 Member has been increased by 0.97 km2 compared with the OIP stage, and the reserves are increased by about 316×104t. The proposed seismic data processing key technologies for the volcanic rocks development areas of the Bohai sea can guarantee the final imaging quality of the volcanic rocks development areas and they show a certain industrial application value.

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备注/Memo

备注/Memo:
*中海石油(中国)有限公司综合科研重点科技攻关项目“渤海油田新生界火成岩发育区地震关键技术研究(编号:YXKY-2015-TJ-01)”部分研究成果。 作者简介: 周东红,男,教授级高级工程师,主要从事石油地球物理研究及管理工作。地址:天津市滨海新区海川路2121号渤海石油管理局B座1535室(邮编:300459)。E-mail:zhoudh@cnooc.com.cn。
更新日期/Last Update: 1900-01-01