玛湖地区横波预测方法优选及其对岩石力学参数计算的影响

doi:10.3969/j.issn.1006-6535.2021.03.002

特种油气藏 ›› 2021, Vol. 28 ›› Issue (3): 9-14.DOI: 10.3969/j.issn.1006-6535.2021.03.002

玛湖地区横波预测方法优选及其对岩石力学参数计算的影响

伍顺伟¹, 高阳¹, 胡俊², 户海胜¹, 何金玉¹, 王刚²

1.中国石油新疆油田分公司,新疆克拉玛依 834000;
2.北京阳光杰科科技股份有限公司,北京 100192

收稿日期:2020-09-18 修回日期:2021-04-01 出版日期:2021-06-25 发布日期:2022-02-16
作者简介:伍顺伟(1978—),男,高级工程师,2001年毕业于西南石油学院应用地球物理专业,现主要从事开发地震及油藏描述方面的研究工作。
基金资助:
国家科技重大专项“准噶尔盆地致密油示范工程”(2017ZX05070-001)

Prediction Method Optimization for S-wave in Mahu Area and Its Influence on Calculation of Rock Mechanics Parameters

Wu Shunwei¹, Gao Yang¹, Hu Jun², Hu Haisheng¹, He Jinyu¹, Wang Gang²

1. PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000, China;
2. Beijing Sunshine Geo-Tech Co. Ltd., Beijing 100192, China

Received:2020-09-18 Revised:2021-04-01 Online:2021-06-25 Published:2022-02-16

摘要/Abstract

摘要： 针对实际生产中缺乏横波速度这一重要的地球物理参数,且利用经验公式计算精度不高的问题,以玛湖地区为例,通过对横波预测理论模型的筛选和分析,最终选择Xu-White模型,考虑地质沉积背景和埋深,利用岩石矿物成分、孔隙度及流体成分曲线,进行横波速度曲线的计算,在此基础上分析了横波速度预测精度对岩石力学参数计算结果的影响。经过实测偶极声波资料、岩心实验室力学测量数据和压裂施工数据的检验,Xu-White模型与常规经验公式计算的结果相比,精度大幅度提高,在玛湖地区百口泉组砂砾岩地层具有显著的普适性。该技术在岩石力学参数的准确计算以及砂砾岩致密油压裂方案设计等应用中取得了较好的效果,对玛湖地区致密油开发的地质工程一体化研究具有重要的意义。

关键词: 横波预测, 岩石力学参数, 声波测井, Xu-White模型, 致密油, 玛湖地区

Abstract: In view of the absence of S-wave velocity, an important geophysical parameter and the low accuracy of empirical formula in actual production, taking the Mahu area as an example, the Xu-White model was finally selected by screening and analyzing the theoretical model of S-wave prediction, the geological depositional setting and burial depth were considered, S-wave velocity curve was calculated according to mineral composition, porosity and fluid composition curves, and the influence of the accuracy of S-wave velocity prediction on the calculation results of rock mechanics parameters was studied. After verification with measured dipole acoustic data, indoor core mechanical measurement data, and fracturing operation data, compared with the results calculated by conventional empirical formula, the accuracy of Xu-White model was greatly improved. The model was generally applicable to the glutenite stratum in the Baikouquan Formation, Mahu area. This technology has proven to be highly effective in the accurate calculation of rock mechanics parameters and the fracturing scheme design of glutenite tight oil reservoir. It is of great significance to the study on the geology-engineering integration in the development of tight oil in Mahu area.

Key words: S-wave prediction, rock mechanics parameters, acoustic logging, Xu-White model, tight oil, Mahu Area

中图分类号:

TE21

伍顺伟, 高阳, 胡俊, 户海胜, 何金玉, 王刚. 玛湖地区横波预测方法优选及其对岩石力学参数计算的影响[J]. 特种油气藏, 2021, 28(3): 9-14.

Wu Shunwei, Gao Yang, Hu Jun, Hu Haisheng, He Jinyu, Wang Gang. Prediction Method Optimization for S-wave in Mahu Area and Its Influence on Calculation of Rock Mechanics Parameters[J]. Special Oil & Gas Reservoirs, 2021, 28(3): 9-14.

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玛湖地区横波预测方法优选及其对岩石力学参数计算的影响

Prediction Method Optimization for S-wave in Mahu Area and Its Influence on Calculation of Rock Mechanics Parameters

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