Offshore drilling supporting platform servo alignment pneumatic flexible connector

Abstract

The invention provides a servo alignment pneumatic flexible connector which is applied to the connection of an offshore drilling supporting platform and other platforms. A gas storage tank of the flexible connector and a cylinder and a piston cylinder are arranged in a trinity mode and the structure is compact; the difference of the required gas is timely complemented through the gas stored in the gas storage tank, the platform vibration loads are balanced by the piston cylinder through the compression or expansion of the gas of an upper chamber and a lower chamber of the cylinder and the applied force of retraction and extension of an inner spring and an outer spring together, and the radial displacement is automatically adjusted; the servo alignment is implemented through an alignment device and accordingly the same axis of the cylinder and the piston cylinder is maintained and the angle deviation adjustment is achieved through a deviation adjustment device and accordingly the upper end surface of the deviation adjustment device is maintained to be level; an upper guider is combined with a lower guider to implement the radial guide effect to enable the axis of the cylinder and the axis of the piston cylinder to be overlapped and meanwhile the cylinder and the piston cylinder are sealed through a combined packing sealing structure of a sealing body; the automatic gas filling or closing is ensured through an automatic gas filler, the emergency release of the air pressure is implemented through a pressure safety valve, and the integral device is easy to detach and install and operate and maintain.

Description

technical field [0001] The invention is suitable for connectors between offshore deep-water oil and gas fields and marginal oil field platforms, and particularly relates to a pneumatic soft connector that can be centered along with the offshore drilling support platform when it is connected to other platforms. Background technique [0002] With the continuous advancement of offshore deepwater oil and gas fields and marginal oilfield development strategies, the construction of platforms for deepwater oil and gas development will become more scaled. Deepwater floating platforms are very sensitive to the weight of the upper modules. Due to the weight of the block, the deepwater platform often considers that only the derrick and other necessary drilling and production devices for workover operations are arranged on the upper block, and the supporting modules and supporting facilities for drilling or adjustment well operations, as well as related operators and all The living buil...

AI Technical Summary

Problems solved by technology

At present, due to reasons such as technical secrecy, there have been no literature reports on the design principles and structural details of the connectors; domestically, when connecting the movable drilling platform and the fixed platform of the jacket, welding trestles and other joints are often used. However, the connection between the offshore drilling support platform and the floating deep-water platform has not yet been studied and there are no related engineering application results. At the same time, the deep-water platform will continue to oscillate and drift during drilling or adjustment well operations. The existing platform connection method of fixed trestles and other joints is no longer applicable

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