K. MaJ. DowellD. SmithK. SmithKai-Tung MA2021-09-132021-09-132015https://scholars.lib.ntu.edu.tw/handle/123456789/582670Patent Number 20150027717An apparatus, system and process for deployment of subsea drilling equipment through a moon pool of a drilling vessel is disclosed. The drilling equipment may include a subsea mudlift pump (MLP) that is configured to be deployed below the surface of the ocean and is adapted for conducting dual gradient drilling (DGD) operations.patent