Subsea ROV-Mounted Hot Water Injection Skid

A subsea heating fluid system (2), comprising:

• a. a remotely operated vehicle mountable hot water injection skid (1), comprising:
• i. a skid frame (10);
• ii. a power interface (11) disposed at least partially within the skid frame;
• iii. a power transformer (30) disposed at least partially within the skid frame, the power transformer operatively in communication with the power interface;
• iv. a data communication interface (12) disposed at least partially within the skid frame;
• v. a heater skid telemetry system (20) disposed at least partially within the skid frame, the heater skid telemetry system operatively in communication with the power transformer and the data communication interface;
• vi. a heating system (40), comprising:
• 1. a water collection and heating void container (40), comprising an interior chamber (43);
• 2. a heating element (70) disposed at least partially within the water collection and heating void container;
• 3. a fluid inlet (41) in fluid communication with the water collection and heating void container;
• and
• 4. a fluid outlet (42) in fluid communication with the water collection and heating void container;
• vii. a sensor (22) disposed at least partially within the skid frame and operatively in communication with the heating system and the heater skid telemetry system;
• viii. a pumping and circulation system (50) in fluid communication with the heating system fluid inlet (41), the pumping and circulation system comprising a pump inlet (51) and a pump outlet (52);
• ix. a first valve (13) in fluid communication with the pumping and circulation system (50) and the fluid delivery wand (80);
• and
• x. a fluid delivery conduit (80) in fluid communication with the first valve;
• and
• b. a topside control and monitoring system (90) operatively in communication with the predetermined set of integration equipment via the data communication port (12).

A method of applying a heated fluid to a subsea asset via heated seawater equipment through a common interface style and not just on the exterior of the asset, comprising:

• a. integrating a hot water injection skid (1) directly with a host Remotely Operated Vehicle (ROV) by deploying the hot water injection skid (1) under a belly of the host ROV (100), the hot water injection skid (1) comprising
• i. a skid frame (10);
• ii. a float (18) disposed at least partially within the skid frame;
• iii. a subsea power transformer (30) disposed at least partially within the skid frame;
• iv. a power interface (11) disposed at least partially within the skid frame (1) and operatively in communication with the subsea power transformer (30);
• v. an electrical power interface (60) disposed at least partially within the skid frame, the electrical power interface operatively in communication with the subsea power transformer;
• vi. a data communication interface (12) disposed at least partially within the skid frame;
• vii. a heater skid telemetry system (20) disposed at least partially within the skid frame, the heater skid telemetry system operatively in communication with the subsea power transformer and the data communication interface;
• viii. a predetermined set of integration equipment (25) disposed at least partially within the skid frame, the predetermined set of integration equipment operatively in communication with the subsea power transformer and the heater skid telemetry system (20);
• ix. a water collection and heating container (40) disposed at least partially within the skid frame, the water collection and heating container (40) comprising:
• 1. an interior water chamber (43);
• 2. a water inlet (41) in fluid communication with the interior water chamber;
• 3. a water outlet (42) in fluid communication with the interior water chamber;
• and
• 4. a heating element (70) in fluid communication with the interior water chamber;
• x. a pumping and circulation system (50) disposed at least partially within the skid frame, the hydraulically-powered pumping and circulation system (50) in fluid communication with the water collection and heating container (40), the pumping and circulation system (50) operatively in communication with the subsea power transformer and the heater skid telemetry system (20);
• and
• b. directly integrating the hot water injection skid (1) into an electrical and hydraulic system of the host ROV (100);
• c. operatively placing a fluid delivery conduit (80) in fluid communication with the water collection and heating container (40) water outlet;
• d. operatively placing a first valve (13) in fluid communication with the pumping and circulation system (50) and the fluid delivery conduit;
• e. once integrated, allowing the hot water injection skid (1) to utilize available electrical and hydraulic power from the host ROV (100) to complete a predetermined set of tasks, the utilization comprising:
• i. using the hot water injection skid to pump ambient seawater—via a circulation pump—into the interior water chamber of the heating chamber;
• ii. heating the seawater is heated inside the heating chamber;
• iii. as the seawater is heated inside the heating chamber, collecting real-time environmental data;
• iv. transmitting the real-time environmental data to a topside system for display to a user via topside control software;
• v.