System for using pressure exchanger in dual gradient drilling application
US10072675B2 · kind B2 · utility
12Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2017 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Apr 20, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system includes a mud return system. The mud return system includes a pressure exchanger (PX) configured to be installed in a body of water, to receive used drilling mud, to receive a second fluid, to utilize the second fluid to pressurize the drilling mud for transport, via a mud return line, from a first location at or near the sea floor to a second location at or near a surface of the body of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.