Spud can structure for jack-up drilling platform

Abstract

The invention discloses a pile shoe structure for a self-elevating drilling platform. The structure comprises a pile shoe body, a cone point, and a center pipe positioned in the center of the pile shoe body; the cone point is an inverted frustum structure, is positioned in the bottom center of the pile shoe body, and coats the center pipe; the pile shoe body consists of a first pile shoe component, a second pile shoe component and a third pile shoe component; the second pile shoe component and the third pile shoe component are substantially the same with the first pile shoe component in structure; and the unique different point is that the third pile shoe component further includes a trunk channel. Compared with the prior art, the pile shoe structure is averagely divided into three parts with substantially identical structures, and the three parts all use plane structures, so that the pile shoe manufacturing difficulty is reduced; and meanwhile, the cone point is designed to enhance the antiskid capacity of the self-elevating drilling platform.

Description

technical field [0001] The invention relates to marine engineering equipment, in particular to a spud can structure for a self-elevating drilling platform. Background technique [0002] The jack-up drilling platform is mainly composed of the main hull of the platform, pile legs and pile foundations. As a load-bearing structure directly in contact with the seabed soil, the pile foundation must not only bear the platform's own weight and operating load, but also ensure the stability of the platform during the pile-standing process. Therefore, the pile foundation structure is an important component related to the safety of the platform. [0003] According to different seabed topography and soil quality, pile foundations can be mainly divided into pile-inserting type, sinking cushion type and pile-can type. The lower end of the staked leg has a smaller bearing surface and is even slightly tapered to adapt to the harder seabed, but it is not suitable for soft soil areas. The s...

AI Technical Summary

Problems solved by technology

[0005] The traditional spud-cans mostly adopt the "flying saucer" spud-can structure. The disadvantage of this structure is that it is more difficult to manufacture the spud-can due to the shape and structure of the spud-can itself.

At the same time, there are many other shortcomings in the traditional spud can. For example, the structure of the spud can makes the anti-skid ability of the jack-up drilling platform unable to meet the operation requirements, etc.

Images