Analysis and Treatmenton a Collapse Accident of Geothermal Well Pipe in Henan Province
详细信息
- 责任者：Zhang Qiudong (China University of Geosciences ; Wuhan 430074 ; China) ; Lu Yubei
- 刊名：Exploration Engineering
- 出版年：2009
- 卷期：36(3)
- 关键词：过滤管 ; well screens ; 孔内事故 ; down-hole trouble
- 页码：p.18-20
- 图表：4 illus.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
Most of the filter pipes used in geothermal well in the central plains area is bridge ones. During pipe lowering, the pressures inside and outside the pipe would be unbalanced with unsteady mud property and not-in-time grouting; and collapse accident would occur with overpressure. Analysis was made on a collapse accident of filter pipe lowering in geothermal well in