Deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device

A protection device and deep-water drilling technology, applied in the direction of drill pipe, drill pipe, drilling equipment, etc., can solve the wear of drilling tools and well wall, the contact wear of riser and drill pipe, and the wear of riser and drill pipe can not be effectively solved and other problems, to achieve the effect of reducing contact and friction wear, simple structure and novel design

Active Publication Date: 2015-12-09
SOUTHWEST PETROLEUM UNIV
View PDF8 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technical problem solved by this invention is the wear between the drill tool and the well wall, and it is mainly aimed at land drilling. However, for the deepwater drilling field, the wear between the riser and the drill pipe inside t

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
  • Deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device
  • Deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device
  • Deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] like figure 1 As shown, a deepwater drilling riser and drill pipe anti-wear protection device includes a drill pipe wear protection device 1 installed on the drill pipe and a riser wear protection device 8 installed on the riser, such as Figure 2 ~ Figure 4 As shown, the drill pipe wear protection device 1 includes a drill pipe joint 4, an outer ball 5, an upper preloaded outer ring 6 and a lower preloaded outer ring 7, and the upper part of the drill pipe joint 4 has an external thread. And cooperate with the drill pipe lower joint 2, the lower part of the drill pipe joint 4 has an internal thread, and cooperate with the drill pipe upper joint 3, the middle outer wall of the drill pipe joint 4 is provided with a semicircle along the circumferential direction A plura...

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 relates to a deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device. The device comprises a drill pipe abrasion protection device (1) and a riser abrasion protection device (8). The drill pipe abrasion protection device (1) comprises a drill pipe connection short pipe nipple (4), an outer ball (5), an upper pre-tightening outer ring (6) and a lower pre-tightening outer ring (7), and the outer ball (5) is installed in an arc groove in the middle of the outer wall of the drill pipe connection short pipe nipple (4). The riser abrasion protection device (8) comprises a riser connection short pipe nipple (11), an upper internal screwing screw cap (12), an upper ball fixing ring (13), an upper inner ball (14), a lower internal screwing screw cap (16), a lower ball fixing ring (17) and a lower inner ball (18). The inner balls are installed in semi-circular grooves formed by the internal screwing screw caps and the ball fixing rings. The deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device has the advantages of being simple in structure, novel in design and capable of solving the problem that a riser and a drill pipe are prone to direct contact and abrasion in existing deepwater drilling work.

Description

technical field [0001] The invention relates to the technical field of offshore oil and gas development equipment, in particular to an anti-friction protection device for deep-water drilling risers and drill pipes. Background technique [0002] The biggest difference between deepwater drilling and land drilling is that there is a special device between the drilling platform and the seabed, that is, the riser. The riser refers to the key equipment connecting the submarine blowout preventer and the offshore drilling platform. It is a connecting channel from the offshore drilling platform to the seabed. During drilling operations, the main function of the riser is to isolate seawater and form a circulation channel for drilling fluid , to establish channels for drilling tools to enter the formation, and to connect additional pipelines in series. It can be seen from this that once the riser has an accident, it will not be able to carry out normal deepwater drilling operations. ...

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
IPC IPC(8): E21B17/10
Inventor 毛良杰刘清友刘威徐涛
Owner SOUTHWEST PETROLEUM UNIV
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

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap