Device used for reducing self-elevating drilling platform pile pulling resistance and drilling platform

A drilling platform, self-elevating technology, applied in construction, artificial island, infrastructure engineering, etc., can solve the problems of the inability to pull up the pile legs, the large resistance to pulling out the pile, and the difficulty in pulling out the pile, so as to reduce the volume of backfill and use Flexible, low-cost effects

Pending Publication Date: 2018-11-06
CHINA UNIV OF PETROLEUM (BEIJING) +1
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the pile legs of the jack-up drilling platform are deep into the mud or the operation time is long after the platform is in place, there will be more backfill soil on the upper part, resulting in greater resistance to pulling out the piles, making it difficult to pull out the piles, and even the pile legs may not be pulled out the situation

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Device used for reducing self-elevating drilling platform pile pulling resistance and drilling platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings. Wherein, the use of adjective or adverbial modifiers "horizontal" and "vertical", "upward" and "downward" is only to facilitate relative reference between groups of terms, and does not describe any reference to the modified term. specific orientation constraints.

[0035] Such as figure 1 As shown, the present invention provides a device for reducing the pile pulling resistance of a self-elevating drilling platform, which is used to be installed on the inside of the leg truss body 8 of the truss-type pile leg, and is lowered into the mud surface with the pile leg. The device includes an adjustable length (i.e. height) occupying device 1, the occupying device 1 includes a fixed cylinder 11 and a plurality of movable cylinders 12, a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a device used for reducing self-elevating drilling platform pile pulling resistance and a drilling platform. The device comprises a length-adjustable occupation device which comprises a fixed barrel and a plurality of movable barrels, the multiple movable barrels are sequentially inserted into the fixed barrel from outside to inside, every two movable barrels can be connected in the manner of axial relative movement, the movable barrel on the outermost side can be connected with the fixed barrel in an axial moving manner, and the occupation device is lengthened or shortened through the movable barrels in the axial direction. The drilling platform comprises a platform body, a truss framed leg for supporting the platform body and a device body used for reducing the self-elevating drilling platform pile pulling resistance, the truss framed leg comprises a truss framed leg body and a pile shoe connected to the lower portion of the truss framed leg body, the occupation device is arranged on the inner side of the truss framed leg body, and the fixed barrel is fixedly to the upper portion of the pile toe. By means of the device, the volume of the backfill soil in the truss framed leg body can be reduced, the platform pile pulling resistance is reduced, and meanwhile, the drilling platform stability cannot be influenced.

Description

technical field [0001] The invention relates to the field of offshore oil drilling equipment, in particular to a device for reducing the pile pulling resistance of a self-elevating drilling platform and the drilling platform. Background technique [0002] With the in-depth development of oil and gas resources in offshore shallow water areas, more and more jack-up drilling platforms are used in offshore shallow water drilling. The pile extraction operation of the jack-up drilling platform is one of the key operation links of the offshore drilling platform, which is related to the safety of the drilling platform and the operation cycle of the whole well. A smooth pile pulling operation can greatly reduce the operation time of the whole well, save operating costs, and avoid consuming a lot of unnecessary manpower and material resources. Therefore, reducing the pile pulling resistance of jack-up drilling platforms is of great significance to the safe and efficient exploration a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): E02B17/00
CPCE02B17/00E02B2017/006
Inventor 杨进施山山傅超殷启帅方满宗顾纯巍陈浩东余俊王艺贺晓龙宋宇胡南丁李舒展辛炎宇吴晓冬冯鹏天姜萌磊张方贵
Owner CHINA UNIV OF PETROLEUM (BEIJING)
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products