Horizontal Well Drilling Technique in Volcanic Rock and Conglomerate in Daqing Oilfield
详细信息
- 责任者：Gong Hua (Drilling Engineering Technology Research Institute ; Daqing Drilling and Exploration Engineering Company ; Daqing 163413 ; China) ; Li Guohua
- 刊名：Exploration Engineering
- 出版年：2012
- 卷期：39(8)
- 关键词：火山岩 ; volcanic rocks ; 砾岩 ; conglomerate ; 水平钻进 ; horizontal drilling
- 页码：p.19-22
- 图表：illus., 3 tables, 5 refs.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
This paper described the geological characteristics of deep volcanic rock and conglomerate and the features and difficulties of horizontal well in volcanic rock and conglomerate. Research was made on bit selection,well trajectory optimization, well structure optimization, BHA selection and the under balanced drilling pressure value control with several field test wells completed. The average penetration rate is 2.79 m/h in Xushen-P34 well, and a series of horizontal well drilling techniques were developed for exploration and exploitation of the deep volcanic rock and conglomerate gas reservoir in Daqing Oilfield.