Method for reducing occurrences of stuck drill pipe
US5316091A · kind A · utility
12Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1993 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Mar 17, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for determining a parameter by combination of engineering models and statistical analysis of drilling data in a data base to determine the frequency or probability of sticking of the drill string during drilling of wells at hole-angles from vertical to horizontal. The parameter can be used to decrease the probability of sticking of drill string during drilling a well and to minimize the cost of a well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.