	US 11,982,592 B2
	Portable hydrostatic test tool
Nikunj Patel, Katy, TX (US); Rosianita Balena, Niteroi (BR); Ricardo Castrioto, Teresopolis (BR); Matheus do Nascimento Santos, Teresopolis (BR); Fabio Guimaraes da Silva, Rio de Janeiro (BR); and André Luiz Santana Teixeira, Rio de Janeiro (BR)
Assigned to Oceaneering International, Inc., Houston, TX (US)
Filed by Oceaneering International, Inc., Houston, TX (US)
Filed on May 30, 2022, as Appl. No. 17/827,878.
Claims priority of provisional application 63/196,216, filed on Jun. 2, 2021.
Prior Publication US 2022/0390317 A1, Dec. 8, 2022
Int. Cl. G01M 3/28 (2006.01)

CPC G01M 3/2853 (2013.01)

20 Claims

1. A hydrostatic test tool, comprising:

a. a frame;

b. a device handler disposed at least partially in the frame and adapted to interface with an underwater vehicle;

c. a hydraulic fluid pressure conduit;

d. a pressurizer disposed at least partially in the frame and in fluid communication with the hydraulic fluid pressure conduit;

e. a connection system disposed at least partially in the frame and adapted to interface with subsea equipment, the connection system in fluid communication with the pressurizer;

f. a control system disposed at least partially in the frame and operatively in communication with the pressurizer and the connection system, the control system adapted to measure and record pressure levels and obtain a predetermined set of test data sufficient to achieve a desired test pressure level;

g. a data communicator disposed at least partially in the frame;

h. a power supply disposed at least partially in the frame and operatively in communication with the pressurizer, the connection system, the control system, and the data communicator;

i. a buoyancy unit disposed at least partially in the frame and adapted to reduce weight of the hydrostatic test tool in water.