UNDERWATER PIPE MANIPULATOR Russian patent published in 2022 - IPC E21B15/02 E21B19/20 

FIELD: well drilling.

SUBSTANCE: invention relates to equipment for drilling oil and gas wells, in particular, to manned underwater vehicles intended for underwater construction of wells on offshore oil and gas fields, located on long-term freezing deep-sea Arctic seas, and located under water during the whole period of construction without direct bearing on sea bottom. Underwater pipe manipulator in a tightly closed housing comprises a double shell with tight locking devices arranged in the upper and lower bases of the housing, can be attached from below to manned drilling apparatus. Manipulator is equipped with means of storage and replacement of tools, pipes and drilling equipment, made in the form of vertical movable racks and equipped with feeding mechanisms with grippers, running-down rods and drilling table for holding the drilling string with suspended drilling equipment.

EFFECT: simplified design of underwater pipe manipulator, increased reliability of its operation and increased rate of supply and replacement of tools, pipes and drilling equipment.

1 cl, 2 dwg