Movable offshore oil fixing platform and construction method thereof

A fixed platform and offshore oil technology, applied in the field of offshore oil engineering, can solve the problems of marginal oilfields with no economic benefits, undeveloped, high investment in jacket platforms, etc., to reduce offshore construction costs and duration, improve platform economy, and share projects The effect of investment

Pending Publication Date: 2021-07-09
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the high investment of the jacket platform, most of the marginal oil fields cannot be developed due to no economic benefits, and it is difficult to realize the large-scale development of the marginal oil fields, which seriously restricts the economical and efficient development of my country's offshore oil and gas resources.
[0003] Therefore, there is an urgent need in the existing technology to solve the problem that the existing conventional jacket platform cannot be applied to the economical and large-scale development of my country's marginal oilfields, and to revitalize the technical solutions for the oil and gas resources of my country's offshore marginal oilfields

Method used

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  • Movable offshore oil fixing platform and construction method thereof
  • Movable offshore oil fixing platform and construction method thereof
  • Movable offshore oil fixing platform and construction method thereof

Examples

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the examples.

[0029] like Figure 1-3 The movable fixed offshore oil platform shown includes a lower foundation structure and an upper block 4, in which oil and gas production facilities are arranged, and the lower foundation structure includes a buoy 1, a single column structure 2, and a connecting rod 3; the buoy 1 is connected to the single column structure 2 through the connecting rod 3; the single column structure 2 is composed of a cylindrical foundation 21 and a column 22 arranged sequentially from bottom to top, and the upper part of the column 22 is provided with an upper steel embedded part 221, and the upper part of the column 22 The lower part is provided with a lower steel embedded part 222 . There are multiple buoys 1; and the buoys 1 are radially arranged along the central longitudinal axis of the single column structure 2 on a plane. The connecting rod 3 is composed of a cross ...

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Abstract

The invention provides a movable offshore oil fixing platform and a construction method thereof. The fixing platform comprises a lower foundation structure and an upper module, wherein an oil and gas production facility is arranged in the upper module; the lower foundation structure comprises a buoy, a single-stand-column structure and a connecting rod piece; the buoy is of a vertically-closed structure; a buoy cover of the buoy is provided with a drainage and exhaust pipeline connector; the buoy is connected with the single-stand-column structure through the connecting rod piece; and the single-stand-column structure is composed of a barrel-shaped foundation and a stand column which are sequentially arranged from bottom to top. The movable offshore oil fixing platform provided by the invention can be moved to a next oil field so as to be reused.

Description

technical field [0001] The invention relates to the technical field of offshore oil engineering, and more specifically, to a removable fixed offshore oil platform and a construction method thereof. Background technique [0002] The production capacity of large and medium-sized oil and gas fields in service in my country's offshore is decreasing year by year, and the number of newly discovered integrated oil fields has become less and less. Accelerating the development of offshore and marginal oil fields will become the focus of my country's oil and gas development. With my country's continuous exploration and practice in the field of marginal oilfield development in recent years, the development model and equipment facilities of marginal oilfields have been initially formed. economic development. However, due to the high investment of the jacket platform, most of the marginal oil fields cannot be developed due to no economic benefits, and it is difficult to realize the large...

Claims

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Application Information

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IPC IPC(8): E02B17/00E02D27/32
CPCE02B17/00E02B2017/0039E02B2017/0056E02D27/32
Inventor 王道广张霖李勇刘振平刘学涛窦树霞韩旭吕瑞升谷伟高建新张斌丁红岩张浦阳
Owner CHINA NAT OFFSHORE OIL CORP
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