Application of S-transformation to recognition of low-amplitude structure:An example from Lu 10-Lu 6 well area in hinterland of Junggar Basin

  • LV Shanshan ,
  • XIONG Xiaojun ,
  • HE Zhenhua
Expand
  • Research Institute of Petroleum Exploration & Development-Northwest, PetroChina, Lanzhou 730020, China

Online published: 2011-10-20

Abstract

In the Lu10-Lu 6 well area in hinderland of Junggar Basin, the recognition of low-amplitude structure is the main task to seek lowstructural-lithologic reservoir, which is similar toLuliangOilfield. The Hutubihe Formation, one of the major reservoirs in the study area, developed braided river sand bodies, its seismic event has poor lateral continuity, and there are fewwells that unevenly distributed in this area, so it is difficult to trace horizons of low-amplitude structure precisely. The time-frequency analysis technique of S-transformation is used to establish the time-frequency response model of seismic cycle in S domain. Based on the joint calibration of two-dimensional spectrum and sedimentary cycle of single well, the isochronous sedimentary framework of the entire work area is built up. Finally, according to accurate horizon tracingwhich is controlled by the isochronous sedimentary framework, six low-amplitude structural traps are found, the total area is 221 km2, and twowells are optimized. The real drilling result proves the validity and practicability.

Cite this article

LV Shanshan , XIONG Xiaojun , HE Zhenhua . Application of S-transformation to recognition of low-amplitude structure:An example from Lu 10-Lu 6 well area in hinterland of Junggar Basin[J]. Lithologic Reservoirs, 2011 , 23(5) : 83 -86 . DOI: 10.3969/j.issn.1673-8926.2011.05.017

References

[1] 高雷,朱筱敏,吕雪雁,等.准噶尔盆地三个泉地区中侏罗统沉积相[J].石油实验地质,2003,25(5):464-468.
[2] 庞雄奇,陈冬霞,张俊,等.隐蔽油气藏的概念与分类及其在实际应用中需要注意的问题[J].岩性油气藏,2007,19(1):1-8.
[3] 周静毅.基于地震剖面特征的属性分析[D].东营:中国石油大学(华东),2005.
[4] 周强,朱仕军,文中平,等.S 变换在高分辨率层序地层学中的应用分析[J].石油天然气学报,2009,31(2):259-262.
[5] 程玉红,郭彦如,郑希民,等.井震多因素综合确定的解释方法与应用效果[J].岩性油气藏,2007,19(2):97-101.
[6] 卫平生,潘建国,张虎权,等.地震储层学的概念、研究方法和关键技术[J].岩性油气藏,2010,22(2):1-6.
[7] Pinnegar C R,Mansinha L. The Bi-Gaussian S-transform[J]. SIAM Journal of Scientific Computing,2003,24(5):1 678-1 692.
[8] Pinnegar C R,Mansinha L A. Method of time-time analysis:The TTtransform[J].Digital Signal Processing,2003,13(4):588-603.
[9] 邹文. S-变换时频分析技术及其在地震勘探中的应用研究[D].北京:中国地质大学,2005.
[10] 白晓寅.基于地震波衰减理论的地层吸收参数提取方法研究[D].东营:中国石油大学(华东),2008.
[11] Jnassne A. Oality Porpeyrt of the Gaussina wnidows Pecortgrma[J].IEEE Transactions on Acoustics,Speech and Signal Proecssing,1991,39(1):11-13.
[12] 刘丽娟,王山山.广义S 变换窗函数的分析和改进[J].岩性油气藏,2007,19(2):76-79.
[13] 惠晓宇,刘洪.HHT 方法在研究地震旋回体中的应用[J].吉林大学学报:地球科学版,2007,37(3):624-628.
[14] 柏涛,徐志伟.层序地层学在隐蔽圈闭预测中的应用[J].吉林大学学报:地球科学版,2004,34(1):73-78.
[15] 董洁,陈世悦,袁波.时频分析精细划分欢喜岭地区地层层序[J].断块油气田,2010,17(2):146-149.
[16] 董波.时频分析在地层旋回分析中的应用[J].华北地震科学,2004,22(4):16-19.
[17] 宋传春.地震-地质综合研究方法述评[J].岩性油气藏,2010,22(2):133-139.
Outlines

/