[1]涂乙,刘伟新,戴宗,等.珠江口盆地A油田储集层参数概率分布有效性检验及油气储量评估[J].新疆石油地质,2017,(03):302.[doi:10.7657/XJPG20170308]
 TU Yi,LIU Weixin,DAI Zong,et al.Validity Test of Reservoir Parameter Probability Distribution and Estimation of Petroleum Reserves in Oilfield A, Pearl River Mouth Basin[J].Xinjiang Petroleum Geology,2017,(03):302.[doi:10.7657/XJPG20170308]
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珠江口盆地A油田储集层参数概率分布有效性检验及油气储量评估()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2017年03期
页码:
302
栏目:
出版日期:
2017-06-01

文章信息/Info

Title:
Validity Test of Reservoir Parameter Probability Distribution and Estimation of Petroleum Reserves in Oilfield A, Pearl River Mouth Basin
文章编号:
1001-3873(2017)03-0302-07
作者:
涂乙刘伟新戴宗万钧
(中海石油(中国)有限公司 深圳分公司,广东 深圳 518000)
Author(s):
TU Yi LIU Weixin DAI Zong WAN Jun
(Shenzhen Branch, CNOOC China Limited, Shenzhen, Guangdong 518000, China)
关键词:
珠江口盆地地质参数概率分布A-D检验法K-S检验法卡方(χ2)检验法储量评估
Keywords:
Pearl River Mouth basin geological parameter probability distribution A-D test method K-S test method Chi-suqare (2) test reserves estimation
分类号:
TE112.6
DOI:
10.7657/XJPG20170308
文献标志码:
A
摘要:
在圈闭面积大且钻井资料少的区块,采用概率法计算圈闭资源量是最为有效的方法。首先采用A-D检验法、K-S检验法和卡方(χ2)检验法对珠江口盆地A油田各地质参数分布模型的合理性进行检验,同时采用地质含义以及美国石油工程师协会与美国证券交易委员会相关规定对储量参数数值分布进行有效性检验,建立适合A油田实际情况的参数概率分布模型。以A油田Z7油藏为例,根据上述方法和流程进行应用,考虑到Z7油藏圈闭展布形态呈马鞍状和井控程度较低,引入形状因子减小构造形态不规则对储量评估的影响。实例研究表明,概率法可获得各储量参数定量化概率分布,有利于对影响储量变化因素进行不确定性分析,对地下油气资源量潜力和风险评价更为客观和全面,概率法计算的期望储量结果与Z7油藏确定性方法计算储量规模接近,二者储量误差不到2%,研究结果表明,使用本文储量评估方法对圈闭面积大且钻井资料少的油藏资源量评价具有一定指导意义。
Abstract:
For the districts with large trap areas and less well data, probability method is the most effective way to estimate entrapped petroleum resources. Firstly, the rationality of each geological parameter distribution model is checked with A-D test method, K-S test method and Chi-square (χ2) test for oilfield A in Pearl River Mouth basin. Meanwhile, the validity of reserves parameter distribution is tested with their geological meanings and related rules stipulated by SPE and SEC, based on which, a parameter probability distribution model suitable for oilfield A is established. Taking Z7 reservoir of oilfield A as an example, using the above mentioned methods and processes and considering the saddle-like trap configuration and low degree of well control in Z7 reservoir, shape factors are introduced to reduce the influences of irregular structural shape on reserves estimation. The case study shows that quantitative probability distribution of each reserves parameter can be obtained by using the probability method, which is helpful for uncertainty analysis of factors influencing reserves estimation; and more objective and comprehensive evaluations on petroleum resource potential and risks could be made. The calculated reserves obtained from probability method and deterministic method are close to each other in Z7 reservoir, with the error less than 2%. The study shows that the reserves estimation method presented in this paper has certain guidance significance for resource evaluation in the districts with large trap areas and less well data.

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更新日期/Last Update: 2017-06-09