IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 No.5
Influence of the characteristics of fault gouge on the stability of a borehole wall
WANG Sheng; CHEN Li-yi; HUANG Run-qiu; LI Zhi-jun; WU Jin-sheng; YUAN Chao-peng
Corresponding AuthorWANG Sheng
2016-05
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:5Pages:930-938
Subtype期刊论文
AbstractHow to find more effective way to stabilize the borehole wall in the fault gouge section is the key technical challenge to control the stability of the borehole wall in the Wenchuan fault gouge section during the process of core drilling.Here we try to describe the characters of deep fault gouge in fracture zones from the undisturbed fault gouge samples which are obtained during the core drilling. The X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF) and Scanning Electron Microscope (SEM) provided the detailed information of the fault gouge’s microscopic characteristics on the density, moisture content, expansibility, dispersity, permeability, tensile strength and other main physical-mechanical properties. Based on these systematic experimental studies above and analysis of the fault gouge instability mechanism, a new technical procedure to stabilize the borehole wall is proposed — a low water and a low loss low permeability drilling fluid system that consists of 4% clay + 0.5% CMC-HV + 2% S-1 + 3% sulfonated asphalt + 1% SMC + 0.5% X-1 + 0.5% T type lubricant + barite for core drilling in fault gouge sections.
KeywordFault Gouge Microscopic Characteristics Borehole Wall Stability Drilling Fluid
DOI10.1007/s11629-014-3018-0
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/15134
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 No.5
Recommended Citation
GB/T 7714
WANG Sheng,CHEN Li-yi,HUANG Run-qiu,et al. Influence of the characteristics of fault gouge on the stability of a borehole wall[J]. Journal of Mountain Science,2016,13(5):930-938.
APA WANG Sheng,CHEN Li-yi,HUANG Run-qiu,LI Zhi-jun,WU Jin-sheng,&YUAN Chao-peng.(2016).Influence of the characteristics of fault gouge on the stability of a borehole wall.Journal of Mountain Science,13(5),930-938.
MLA WANG Sheng,et al."Influence of the characteristics of fault gouge on the stability of a borehole wall".Journal of Mountain Science 13.5(2016):930-938.
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