Slinging method

A sand bag and platform technology, which is applied in the field of scouring protection of base-type platforms, can solve problems such as platform emptying, and achieve the effects of meeting construction requirements, tight connection and strong operability.

Inactive Publication Date: 2014-11-26
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0003] The invention provides a method of sand blasting to solve the technical problem of emptying around the platform

Method used

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Embodiment Construction

[0013] In order to enable those skilled in the technical field to which the application belongs to understand the application more clearly, the technical solutions of the application will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0014] Embodiments of the present invention describe a sand blasting method for providing scour protection for a pedestal platform.

[0015] See below figure 1 , describing the whole process from sand selection to sand blasting.

[0016] Step 1: Select the particle size of the sand and gravel.

[0017] Detect the speed of water flow; determine the diameter of sand particles according to the speed of water flow.

[0018] Firstly, according to the actual measured water flow velocity at the well location, compared with the Urstron sand particle----flow velocity logarithmic curve, considering the sand blasting construction and the operation safety of the subsequent platform, the sand and g...

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Abstract

The invention discloses a slinging method. An opposite corner slinging method is mainly used. The method includes the steps that firstly, according to the water flow direction, two incident flow corners of a platform are acquired through detection; the two incident flow corners of the platform are slung; the other two corners of the platform are slung, sand pockets in the four corners of the platform are respectively of a pile shape, and therefore the platform is stabilized; finally other positions of the platform are slung. The method has the advantages that economical efficiency and high efficiency are achieved, pollution is avoided, and operability is high, and construction requirements can be met. Sand piles formed after slinging are connected tightly and are not prone to being undermined, anti-scouring protection can be provided for the base type platform, and the base type platform can be well protected.

Description

technical field [0001] The invention relates to the field of scouring protection for a base platform, in particular to a sand blasting method. Background technique [0002] Years of exploration practice in shallow seas has proved that the use of base platforms in shallow sea areas is successful, especially in drilling, completion and test production operations in shallow sea areas, where they have played an irreplaceable and important role. Due to the muddy soil and silt soil on the seabed surface of shallow sea oilfields, during the operation of the bottom platform in the coastal oilfields of the Bohai Sea, the change of marine environmental factors due to the foundation will cause scour around the foundation, resulting in emptying. It will cause the foundation to slip or even become unstable, seriously threatening the safety of the platform, and it is a major problem that plagues the safe construction of the bottom-mounted platform. Contents of the invention [0003] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D31/06
Inventor 王世澎袁振宇赵开龙徐爽赵静闫云汪萍
Owner BC P INC CHINA NAT PETROLEUM CORP
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