探矿工程-岩土钻掘工程2016，Vol.43Issue(2)：18-23,35,7.
青海贵德 ZR1干热岩井钻进工艺研究
Research on Hot Dry Rock Well Drilling Technology
赵福森 1张凯1
作者信息
- 1. 中国煤炭地质总局第一水文地质队,河北邯郸056000
- 折叠
摘要
Abstract
ZR1 hot dry rock well has the characteristics of high temperature, high hardness and high abrasiveness.Polysulfon-ate drilling fluid system was selected in the construction for its good keeping of rheology and low filtration under high tempera-ture and high pressure.By the analysis on the factors such as formation lithology and petrophysical property, the cone bit suit-able for the well drilling in high hardness and high abrasive formation was selected and 1.24m/h average ROP was obtained. Through the experiment and practice, the cementing technology of high temperature(130℃)was mastered, water sealing and cementing quality is qualified by inspection.By the use of Chuan 5-4 type coring apparatus, coring operations were suc-cessfully completed in the high temperature, high pressure, and the broken formation with core recovery of 45%~83%.关键词
钻探/干热岩/聚磺钻井液/钻头选型/取心器/高温固井Key words
drilling technology/hot dry rock/polysulfonate drilling fluid/bit selection/coring apparatus/high tempera-ture cementation分类
天文与地球科学引用本文复制引用
赵福森,张凯..青海贵德 ZR1干热岩井钻进工艺研究[J].探矿工程-岩土钻掘工程,2016,43(2):18-23,35,7.
