Manually integrated blowout preventer locking device

Abstract

A manual BOP locking device, including a BOP locking system, a BOP locking control system, an automatic control system and hydraulic pipelines, the BOP locking system includes a fuel tank, an electric plunger pump, Pressure controller, manual plunger pump, accumulator, electric reversing valve and manual reversing valve. The inlet of the pump is connected to the inlet of the accumulator, the inlet of the manual plunger pump is connected to the outlet of the fuel tank and the outlet of the accumulator, the outlet of the manual plunger pump is connected to the inlet of the manual commutator, the manual reversing valve and the electric reversing valve The outlet and return port hydraulic pipelines are connected with the inlet and outlet of the hydraulic motor of the blowout preventer locking system; the invention saves time, effort and fast, and the locking is firm and safe, preventing the occurrence of well leakage and blowout accidents during drilling and sealing.

Description

technical field [0001] The invention relates to the technical field of oilfield development, in particular to a safe, reliable and efficient manual-automatic blowout preventer locking device. Background technique [0002] The blowout preventer is the key equipment to prevent blowout accidents in the oil field. If the well is shut down for a long time after the blowout occurs, the locking lever of the blowout preventer must be locked in time. At present, they are all manual locking devices. The function of the manual locking device is to lock the ram plate mechanically after the blowout preventer is hydraulically shut in. Generally, the locking rod extends out of the derrick through a universal joint, an extension rod and a hand wheel. When in use, the personnel can achieve the locking purpose by turning the hand wheel to ensure the long-term reliable sealing of the ram. Although the purpose of closing and locking the blowout preventer ram can be achieved, the disadvantage o...

AI Technical Summary

Problems solved by technology

Although the purpose of closing and locking the blowout preventer ram can be achieved, the disadvantage of the manual locking structure is that the operation is mainly done manually, with high labor intensity and low efficiency, especially in emergency situations, such as harmful gas or liquid ejection in the well If the operation is difficult or the locking cannot be completed

The operating area of ​​the offshore drilling platform is small, the manual locking device occupies a large area, and manual operation is extremely difficult, resulting in the inability to manually lock the blowout preventer when the well is shut down, and the safety of the use of the blowout preventer cannot be guaranteed

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