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Offshore oil production platform, and bearing capacity transfer method and transfer device of drilling platform

A technology for drilling platforms and transfer devices, which is applied in the direction of drilling equipment, drill pipes, drill pipes, etc., and can solve the problems of insufficient bearing capacity and insufficient depth of pile legs into the mud, etc.

Pending Publication Date: 2020-10-23
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the insufficient depth of the pile legs into the mud, the built drilling platform sometimes cannot provide enough bearing capacity for the subsequent development of the drilling platform

Method used

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  • Offshore oil production platform, and bearing capacity transfer method and transfer device of drilling platform
  • Offshore oil production platform, and bearing capacity transfer method and transfer device of drilling platform
  • Offshore oil production platform, and bearing capacity transfer method and transfer device of drilling platform

Examples

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Effect test

Embodiment 1

[0048] The present invention provides a water conduit and a drilling platform 10 carrying capacity transfer device, such as figure 1 As shown, the load transfer device includes: a connecting rod body 30, a drilling platform connecting plate 40 and a water riser connecting structure 50, the connecting rod body 30 can transmit vertical loads; the drilling platform connecting plate 40 is connected to the first end 301 of the connecting rod body , the drilling platform connecting plate 40 can be fixedly connected to the drilling platform 10 ;

[0049] By adopting the bearing capacity transfer device, the water riser 20 is connected with the drilling platform 10, so that the water riser 20 can be used as a force-bearing structure, and the load of the drilling platform 10 can be transferred to the drilling platform 10 by utilizing the abundant bearing capacity of the water riser 20. The water conduit 20 is used to increase the ultimate bearing capacity of the drilling platform 10 an...

Embodiment 2

[0071] The present invention provides an offshore oil production platform, which comprises: a drilling platform 10, a water-resisting conduit 20, and the above-mentioned device for transferring the carrying capacity between the water-resisting conduit 20 and the drilling platform 10; The drilling platform connection plate 40 in the transfer device is affixed to the drilling platform 10 , and the riser conduit 20 and the riser conduit connection structure 50 in the load transfer device of the drilling platform 10 are affixed to the riser conduit 20 .

[0072] In this offshore oil production platform, the bearing capacity transfer device connects the water riser 20 and the drilling platform 10, so that the water riser 20 can be used as a force-bearing structure, and the load of the drilling platform 10 can be reduced by utilizing the abundant bearing capacity of the water riser 20. Transfer to the riser 20 to increase the ultimate bearing capacity of the drilling platform 10 and ...

Embodiment 3

[0074] The present invention provides a method for transferring the bearing capacity of the drilling platform 10. The method for transferring the bearing capacity includes: adopting the above-mentioned device for transferring the bearing capacity of the water riser 20 and the drilling platform 10; transferring the bearing capacity of the water riser 20 and the drilling platform 10 The drilling platform connection plate 40 in the device is affixed to the drilling platform 10 ;

[0075] The load-bearing capacity transfer method is adopted, and the load-bearing capacity transfer device connects the riser conduit 20 with the drilling platform 10, so that the riser conduit 20 can be used as a force-bearing structure, and the load-bearing capacity of the riser conduit 20 can be used to transfer the load of the drilling platform 10. The load is transferred to the riser 20 to increase the ultimate bearing capacity of the drilling platform 10 .

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Abstract

The invention provides an offshore oil production platform, and a bearing capacity transfer method and transfer device of a drilling platform. The bearing capacity transfer device of a riser and the drilling platform comprises a connecting rod body, a drilling platform connecting plate and a riser connecting structure, wherein the connecting rod body can transfer vertical load; the drilling platform connecting plate is connected to the first end of the connecting rod body and can be fixedly connected to the drilling platform; and the riser connecting structure is connected to the second end ofthe connecting rod body and can be fixedly connected to the riser. Through the offshore oil production platform, the ultimate bearing capacity of the drilling platform is increased, and safety guarantee is provided for subsequent development.

Description

technical field [0001] The invention relates to the technical field of offshore oil production equipment, in particular to a bearing capacity transfer method and device for offshore oil production platforms and drilling platforms. Background technique [0002] Drilling platforms are important equipment for offshore oil and gas exploration and development, and most drilling platforms adopt the structure of jacket platforms. At present, the requirements for increasing the number of wellheads and equipment are put forward for the built drilling platforms, which put forward higher requirements for the carrying capacity of the built drilling platforms. Due to the insufficient depth of pile legs into the mud, the built drilling platform sometimes cannot provide enough bearing capacity for the subsequent development of the drilling platform. Contents of the invention [0003] The object of the present invention is to provide a bearing capacity transfer method and transfer device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B19/00E02B17/00
CPCE21B19/004E02B17/00E02B2017/0056
Inventor 胡南丁杨进刘询仝刚于辰周健一王奕辰包苏都娜
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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