A new approach for determining in-situ rock strength while drilling

被引：18
|
作者：
Hoberock, LL
Bratcher, GJ
机构：
[1] School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK, 74078-5016
[2] Xerox Corporation, Oklahoma City, OK
来源：
JOURNAL OF ENERGY RESOURCES TECHNOLOGY-TRANSACTIONS OF THE ASME | 1996年 / 118卷 / 04期
关键词：
D O I：
10.1115/1.2793870
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A new method is developed for determining rock strength while drilling with a tri-cone roller bit. The technique employs the well-known ''drill-off'' test, using commonly measured drilling data, and does not require knowledge of drill bit parameters. The method was evaluated with drill-off test darn collected from the Gas Research Institute's SFE (staged field experiment) well no. 4 and compared with calculated in-situ compressive rock strengths provided by Hareland (1992). The results indicate that the proposed approach produces reasonable results and is easily implemented.
引用
收藏
页码：249 / 255
页数：7
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