Combined anti-collision device for external wellhead riser of offshore fixed oil production platform
A technology for oil production platforms and risers, which is applied in drilling pipes, casings, and earthwork drilling and production, and can solve problems such as environmental pollution, difficult construction, and long periods
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Embodiment 1
[0044] see Figure 1 to Figure 6 , the present invention provides a technical solution: an external wellhead riser combined anti-collision device for fixed offshore oil production platforms, including:
[0045] The left semi-circular rubber block, the inner wall of the left semi-circular rubber block is a left arc surface;
[0046] The right semi-circular rubber block, the inner wall of the right semi-circular rubber block is a right arc surface, the left semi-circular rubber block and the right semi-circular rubber block are buckled together, and the left arc-shaped surface and the right arc-shaped surface will The outer wall of the riser 4 is tightly wrapped.
[0047] Further, the front end of the left semi-circular rubber block and the front end of the right semi-circular rubber block are provided with corresponding stepped holes for front connection at the same time, and fastening bolts for front anti-collision pads are used to pass through the above-mentioned stepped hol...
Embodiment 2
[0072] see Figure 1 to Figure 6 , the present invention provides a technical solution: an external wellhead riser combined anti-collision device for fixed offshore oil production platforms, including:
[0073] The left semi-circular rubber block, the inner wall of the left semi-circular rubber block is a left arc surface;
[0074] The right semi-circular rubber block, the inner wall of the right semi-circular rubber block is a right arc surface, the left semi-circular rubber block and the right semi-circular rubber block are buckled together, and the left arc-shaped surface and the right arc-shaped surface will The outer wall of the riser 4 is tightly wrapped.
[0075] Further, the front end of the left semi-circular rubber block and the front end of the right semi-circular rubber block are provided with corresponding stepped holes for front connection at the same time, and fastening bolts for front anti-collision pads are used to pass through the above-mentioned stepped hol...
Embodiment 3
[0089] see Figure 1 to Figure 6 , the present invention provides a technical solution: an external wellhead riser combined anti-collision device for fixed offshore oil production platforms, including:
[0090] The left semi-circular rubber block, the inner wall of the left semi-circular rubber block is a left arc surface;
[0091] The right semi-circular rubber block, the inner wall of the right semi-circular rubber block is a right arc surface, the left semi-circular rubber block and the right semi-circular rubber block are buckled together, and the left arc-shaped surface and the right arc-shaped surface will The outer wall of the riser 4 is tightly wrapped.
[0092] Further, the front end of the left semi-circular rubber block and the front end of the right semi-circular rubber block are provided with corresponding stepped holes for front connection at the same time, and fastening bolts for front anti-collision pads are used to pass through the above-mentioned stepped hol...
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