Appropriate Jackup Selection in Disturbed Wellsite by Pile Inserting and Pulling in Offshore Oilfield

Yong Ning An; Qing Feng Song; Jing Li

doi:10.4028/www.scientific.net/AMM.580-583.2206

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 580-583Appropriate Jackup Selection in Disturbed Wellsite...

Appropriate Jackup Selection in Disturbed Wellsite by Pile Inserting and Pulling in Offshore Oilfield

Abstract:

Pile inserting and pulling activities may occur for many times in some wellsite in Offshore Oilfield, that resulted in serious stratum disturbance and complex strength change, it’s difficult to select appropriate jack-up drilling platform in the workover process latterly. By applying American Petroleum Institute <API RP 2A-WSD> norms, calculating the pile bearing capacity of two typical jackup, combing with the actual data of jackup emplaced, this paper analyzes and compares the suitability of various type of jackup in place in seriously disturbed wellsite by pile inserting and pulling, and then offers a proposal on how to select the appropriate jackup in such wellsite as a reference.

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Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

2206-2209

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.2206

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Online since:

July 2014

Authors:

Yong Ning An*, Qing Feng Song, Jing Li

Keywords:

Jackup, Offshore Oilfield, Pile Inserting and Pulling, Pile Ultimate Bearing Capacity, Punch-Through Analysis, Wellsite

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