Pulse rate of penetration enhancement device and method
US7958952B2 · kind B2 · utility
15Cited by
33References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2008 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Mar 20, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B41/0085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The system and device described relates to flow pulsing for use in down-hole drilling rate of penetration (ROP) enhancement and measurement while drilling (MWD) using a pulse drilling device (PDD) with a fast acting valve in conjunction with a pilot valve to produce high pressure, high amplitude, low duration pressure pulses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.