砂泥岩间互地层等效岩石力学参数计算模型及其应用

王珂; 戴俊生; 冯阵东; 解艳雪; 樊阳; 王媛; 赵力彬

砂泥岩间互地层等效岩石力学参数计算模型及其应用

王珂^1,,
戴俊生¹,
冯阵东^{2, 3},
解艳雪¹,
樊阳¹,
王媛⁴,
赵力彬⁴

1.
中国石油大学地球科学与技术学院, 山东青岛 266580
2.
中国石化中原油田博士后科研工作站, 河南濮阳 457001
3.
中国石化中原油田分公司勘探开发研究院, 河南濮阳 457001
4.
中国石油塔里木油田公司勘探开发研究院, 新疆库尔勒 841000

基金项目:

国家科技重大专项"大型油气田及煤层气开发" 2011ZX05042-001

"中西部前陆盆地构造地质、储层特征与有利区评价" 2011ZX05003-04

中国石油大学研究生创新基金项目 12CX06004A

详细信息

作者简介:
王珂(1987-), 男, 山东郓城人, 博士研究生, 主要研究方向为储层地质及裂缝预测。E-mail:wangkerrr@126.com

中图分类号: TU454
计量
- 文章访问数: 230
- HTML全文浏览量: 132
- PDF下载量: 11
- 被引次数: 0
出版历程
- 收稿日期: 2012-12-30
- 刊出日期: 2013-06-01

CALCULATING MODEL OF EQUIVALENT ROCK MECHANICAL PARAMETERS OF SAND-MUD INTERBED AND ITS APPLICATION

1.
School of Geosciences, China University of Petroleum, Qingdao 266580, China
2.
Post-doctoral Research Station of Zhongyuan Oil Company, SINOPEC, Puyang 457001, China
3.
Exploration and Development Research Institute of Zhongyuan Oil Company, SINOPEC, Puyang 457001, China
4.
Exploration and Development Research Institute of Tarim Oil Company, PetroChina, Korla 841000, China

摘要

摘要: 以地层岩石的变形分析为基础，从能量的角度出发，利用应变能理论及能量守恒定律推导出了等效岩石力学参数的一般计算公式，并建立了测井资料计算模型；利用该模型计算了库车坳陷克拉A气田目的层系巴什基奇克组的等效岩石力学参数，并以计算结果为基础进行了应力场及储层裂缝的数值模拟；最后讨论了等效岩石力学参数测井资料计算模型的优点及适用条件。模拟结果显示，储层裂缝集中发育在背斜高点及单斜构造部位，与气田目前的开发实践基本一致，表明了所建模型的合理性；等效岩石力学参数适用于区域性的横向应力场及储层裂缝预测，不适于预测局部或垂向上的储层裂缝分布规律。
- 砂泥岩间互地层 /
- 等效岩石力学参数 /
- 应变能 /
- 能量守恒 /
- 数值模拟
Abstract: On the basis of the deformation analysis of rocks and on the sense of energy, the general calculating formula of the equivalent rock mechanical parameters is deducted using strain energy theory and energy conservation law, and the logging data calculating model is established. The equivalent rock mechanical parameters of Bashijiqike Formation, the subject reservoir in Kela-A gas field, Kuqa depression, are calculated by the model, and the numerical simulation of stress field and reservoir fractures is carried out on the basis of the calculating result. The simulation demonstrates that reservoir fractures mainly develop on high spot of anticlines and monoclinal structure. This is generally consistent to the current developing practice, and thus the rationality of the model is proved. At last, the advantages and using conditions of the logging data calculating model of equivalent rock mechanical parameters are discussed. It is pointed that the equivalent rock mechanical parameters are suitable for regional and horizontal prediction of stress field and reservoir fractures, not for partial or vertical prediction of distribution regularity of reservoir fractures.
- sand-mud interbed /
- equivalent rock mechanical parameters /
- strain energy /
- energy conservation /
- numerical simulation

HTML全文

图 1 三向应力状态下的砂泥岩间互地层模型

Figure 1. A sand-mud strata model in three-dimensional stress situation

下载: 全尺寸图片幻灯片

图 2 库车坳陷克拉A气田A2-1井岩石力学参数测井解释结果

Figure 2. Logging interpretation results of rock mechanical parameters of the Well A2-1 in Kela-A gas field, Kuqa depression

下载: 全尺寸图片幻灯片

图 3 库车坳陷克拉A气田巴什基奇克组应力场预测结果

Figure 3. Predicting results of stress field of Bashijiqike Formation in Kela-A gas field, Kuqa depression

下载: 全尺寸图片幻灯片

图 4 库车坳陷克拉A气田巴什基奇克组储层裂缝孔隙度预测结果

Figure 4. Porosity prediction of reservoir fractures in Bashijiqike Formation in Kela-A gas field, Kuqa depression

下载: 全尺寸图片幻灯片

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