Channel interpretation based on seismic attribute data
作者
宁松华
Authors
N ing Songhua
单位
长江大学地球物理与石油资源学院, 湖北荆州434023
Organization
K ey Laboratory of Oil & Gas R esources and Exploration Technique of M inistry Education, Yangtze University, J ingzhou 434023, China
摘要
地下某一层段的地震属性特征通常揭示了一些地质或沉积特征, 如礁体、河道、
三角洲、地台等。文中采用分层段切片解释方法, 对塔河油田外围兰尕三维资料进行切片分
析, 在三叠系上油组地层中的振幅属性平面图上分布有南北方向的河道, 地震解释剖面及钻井
资料也得到证实。研究中发现, 分析时窗的大小决定了振幅属性在河道处能量的强弱, 根据河
道的分布可以追踪河道砂岩体及其分布范围, 为研究有利储层提供了可靠依据。
Abstract
Som e attributes no rm ally revea l a num be r o f geolog ica l and sed im enta ry features in form ation, such as the ree,f r ive r, de lta and platform, etc. By stratified slice interpreta tion m ethod in the paper, 3D da ta o f the ou tside of the Tahe O ilfie ld are ana lyzed and it is found tha t the area d istr ibutes a north- sou th channel on the am plitude a ttr ibu te d istribution m ap in the of T46s Group, Uppe r Tr iassic stra ta, wh ich has been confirmed in dr illing and se ism ic interpretation pro files. It is discovered in the resea rch tha t the w indow s ize determ ines the energy strength of am plitude attribute of the channe .l A cco rding to the d istr ibu tion of the channe ,l the channe l sand and its d istribution can be tracked, wh ich prov ides a reliab le basis fo r study ing favorab le reservo ir
关键词:
塔河油田 地震属性 时间切片 河道;
Keywords:
Tahe O ilfie ld, se ism ic a ttr ibu tes, tim e slice, channe .l;