DISCUSSION OF ANCHOR-CHAIN DYNAMIC CHARACTERISTICS FOR DEEP WATER OFFSHORE DRILLING

doi:10.3863/j.issn.1000-2634.2004.05.007

西南石油大学学报(自然科学版) ›› 2004, Vol. 26 ›› Issue (5): 24-26.DOI: 10.3863/j.issn.1000-2634.2004.05.007

• 石油与天然气工程 • Previous Articles Next Articles

DISCUSSION OF ANCHOR-CHAIN DYNAMIC CHARACTERISTICS FOR DEEP WATER OFFSHORE DRILLING

WANG Lin SHI Xiao-bing CHENG ping LUO Ping-ya ZHOU Jun-chang

Southwest Petroleum Institute, Chengdu Sichuan 610500,China

Received:2003-06-23 Revised:1900-01-01 Online:2004-10-20 Published:2004-10-20
Contact: WANG Lin

Abstract

Abstract:

In the deep water and bad surrounding ocean, it is very important that the anchor system severed as the located equipment of the platform or drilling boat. In the deep drilling, the bigger the anchor system sizes are, the stronger its strength is. The anchor-chain force subjected was more and more complex with the water depth increasing, so the dynamic analysis was
very important. Considering the relations between the minimum movement and the minimum anchoring force, namely, the anchoring system required the most suitable stiffness, so the reasonable continuing model was selected. The characteristics frequency and vibration model of the anchor-chain was got by calculating and analyzing the dynamic properties of the deep water drilling anchor chain, and the up and down limits of the anchor chain dynamic response were studied. The dynamic characteristics must be pay attention to void the resonance frequency with wave moving in design and construction.

Key words: deep water drilling, anchor-chain, dynamic characteristics, mode

CLC Number:

TE852

WANG Lin SHI Xiao-bing CHENG ping LUO Ping-ya ZHOU Jun-chang. DISCUSSION OF ANCHOR-CHAIN DYNAMIC CHARACTERISTICS FOR DEEP WATER OFFSHORE DRILLING[J]. 西南石油大学学报(自然科学版), 2004, 26(5): 24-26.

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DISCUSSION OF ANCHOR-CHAIN DYNAMIC CHARACTERISTICS FOR DEEP WATER OFFSHORE DRILLING

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