Patent ID: 9695674
Date: 2017-07-04
CPC Classifications: E21B,F04B,G01N

Claim:
1. A subsea deployable pumping system comprising: a housing configured to be deployed in a subsea environment, the housing including an interior region filled with a liquid; a pump disposed within the interior region of the housing, the pump being configured to inject an injection fluid through an injection port; a motor disposed within the interior region of the housing and configured to drive said pump and cause the pump to inject said injection fluid, said pump and motor being configured to inject said injection fluid at a controllable rate of less than 10 milliliters per minute; a reservoir in fluid communication with said pump, configured to contain a volume of said injection fluid and to supply said injection fluid to said pump; and a pressure compensator configured to match pressure of the liquid in the interior region of the housing with seawater pressure outside the housing.