Patent ID: 7069998
Filing Date: 2006-07-04
Classification: E21B,H01M,H04B,Y02E

Abstract:
1. A subsea power system, comprising at least one fuel cell disposed proximate a sea floor for providing electrical power to at least one of a subsea apparatus for operating on a well and a subsea apparatus for operating on production from the well, wherein the at least one fuel cell is disposed in an annular space between a production tubing and a well, further comprising at least one reservoir, wherein the at least one fuel cell defines at least one drain hole in fluid communication with the at least one reservoir, such that water generated by the at least one fuel cell may flow through the at least one hole and be stored in the at least one reservoir, wherein the at least one fuel cell further comprises a fuel cell stack, and wherein the fuel cell stack defines at least one radial channel for carrying the generated water to the at least one drain hole.