Isolation Adapter For Using Multiple Power Sources In A Bottom Hole Assembly

摘要

The present disclosure relates to a power isolation adapter which can enable the use of multiple power sources in a bottom hole assembly (BHA) by isolating the power sources on a tool bus while maintaining a communication bus across the BHA. Such power sources may be part of a measurement-while-drilling (MWD) module, such as a mud turbine generator, providing power as a DC signal. The power isolation adapter isolates the power sources by blocking DC signals, but maintains an AC communication bus across the BHA. The ability to use multiple power sources in a BHA thus allows for more complex BHA configurations that normally could not be powered using a single power source.

主权项

1. A bottom hole assembly (BHA) system comprising:
a first set of downhole tools comprising a first power source that powers each of the tools of the first set; a second set of downhole tools comprising a second power source that powers each of the tools of the second set; and an isolation adapter electronically coupled to the first set of downhole tools and the second set of downhole tools, wherein the isolation adapter isolates first and second power sources and maintains a communication bus across the first and second sets of downhole tools.