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[1]荆少东,张鹏程,徐帅陵,等.地下储油库斜孔成像基岩结构面产状校正[J].油气储运,2022,41(05):567-574.[doi:10.6047/j.issn.1000-8241.2022.05.009]
JING Shaodong,ZHANG Pengcheng,XU Shuailing,et al.Occurrence correction of bedrock structural plane in inclined hole imaging of underground oil storage[J].Oil & Gas Storage and Transportation,2022,41(05):567-574.[doi:10.6047/j.issn.1000-8241.2022.05.009]
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JING Shaodong,ZHANG Pengcheng,XU Shuailing,et al.Occurrence correction of bedrock structural plane in inclined hole imaging of underground oil storage[J].Oil & Gas Storage and Transportation,2022,41(05):567-574.[doi:10.6047/j.issn.1000-8241.2022.05.009]
地下储油库斜孔成像基岩结构面产状校正
《油气储运》[ISSN:1000-8241/CN:13-1093/TE]
卷:
41
期数:
2022年05期
页码:
567-574
栏目:
工艺与工程
出版日期:
2022-05-25
- Title:
- Occurrence correction of bedrock structural plane in inclined hole imaging of underground oil storage
- 文章编号:
- 1000-8241（2022）05-0567-08
- Keywords:
- underground oil storage; structural plane occurrence; correction; borehole TV imaging; inclined hole; rotation matrix theory
- 分类号:
- TE822
- 文献标志码:
- A
- 摘要:
- 地下储油库勘察过程中，由于电视成像仪器本身参考系与大地呈一定角度，导致岩体斜孔结构面产状量测得到的为视倾向、视倾角，与实际情况差别较大。基于矩阵旋转理论，结合钻孔电视成像仪器北方向恒定不变的特性，提出斜孔结构面产状校正公式，并应用几何模型与工程案例进行验证。以某地下储油库勘察实际工程为例，对斜孔成像量测结果进行校正，揭示了库区内结构面产状区域及纵向变化特征。结果表明：校正前、后结构面产状相差较大，校正后结构面发育情况与实际情况相符；所提出的斜孔结构面产状校正公式可将斜孔结构面视倾向、视倾角转化为真倾向、真倾角，提高斜孔成像结构面产状量测精度，有效控制工程误差。研究成果可为地下储油库围岩稳定性、构造发育情况及地下水渗流情况评价提供理论依据和数据支撑。（图16，表3，参20）
- Abstract:
- During the investigation of underground oil storage, only the apparent inclination and apparent dip angle are obtained from the measurement of structural plane occurrence of the inclined hole in rock mass due to the angle between the reference system of the TV imager and the ground, which vary greatly from the actual conditions. Therefore, a correction formula for the structural plane occurrence of inclined hole was proposed based on the rotation matrix theory in combination with the characteristics of the borehole TV imager with constant true north direction, and the formula was verified with the geometric model and the engineering cases. Besides, the measurement results based on inclined hole imaging were corrected based on the actual investigation of an underground oil storage, and the occurrence area and the vertical variation characteristics of structural plane in the storage were revealed. The results show that the structural plane occurrence is quite different before and after correction, and the development of the structural plane after correction is consistent with the actual situation. Moreover, the apparent inclination and dip angle of the structural plane of inclined hole can be transformed into the true inclination and dip angle with the proposed correction formula, thereby greatly improving the precision of structural plane occurrence based on inclined hole imaging and effectively controlling the engineering error. Conclusively, the research results could provide theoretical evidence and data support to the evaluation on the surrounding rock stability, structural development and underground water seepage of the underground oil storage. (16 Figures, 3 Tables, 20 References)
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备注/Memo
荆少东，男，1972年生，高级工程师，2004年硕士毕业于中国海洋大学环境工程专业，现主要从事岩土工程勘察、设计及检（监）测等技术的研究工作。地址：山东省东营市济南路49号， 257100。电话：13206485357。Email：jsdspe@163.com
（收稿日期：2021-07-29；修回日期：2022-03-26；编辑：张静楠）
更新日期/Last Update:
2022-05-25