Ultradeep drilling pushes drillstring technology innovations

被引：0

作者：

Jellison, Michael J. ^{[1
]}

Chandler, R. Brett ^{[1
]}

Payne, Mike L. ^{[2
]}

Shepard, Jeff S. ^{[3
]}

机构：

[1] Grant Prideco

[2] BP America

[3] Transocean

来源：

SPE Drilling and Completion | 2008年 / 23卷 / 02期

关键词：

D O I：

10.2118/104827-pa

中图分类号：

学科分类号：

摘要：

Drilling ultradeep (UD) wells places significant requirements on the drillstring. Lengthy drillstrings lead to high tensile loads, which can lead to slip crushing of the drillstring; hoisting capacity issues; and drillpipe collapse capacity concerns at the blowout preventer (BOP). BOP shear rams may also have difficulty shearing today's high-strength, high-toughness drillpipe. Bottomhole assembly (BHA) connection failures pose greater risk and cost at UD well depths. This paper analyzes the many challenges associated with drill-string designs specifically for UD drilling (UDD). It presents emerging drillstring technologies that are solutions expected to increase depth capability for the industry's continued advancement of deep-drilling operations. _Copyright © 2008 Society of Petroleum Engineers.

引用

页码：190 / 200

页数：10

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