Shallow Kick-off Extended Reach Drilling in GOM

Meize, B.; Chesebro', S.; Stubblefield, A.; Lenamond, Chris; Miller, Ryan

doi:10.2118/52838-ms

SPE/IADC Drilling Conference 1999

DOI: 10.2118/52838-ms

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Shallow Kick-off Extended Reach Drilling in GOM

B. Meize¹,

S. Chesebro'²,

A. Stubblefield³

et al.

Abstract: TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractAnadarko Petroleum Corporation spudded a shallow kick-off extended reach well from the High

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2010

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Deepwater Directional Drilling in Soft Formations: Lessons Learned in West Africa Applied to Gulf of Mexico

Prieto

Symons

Pardo

2010

IADC/SPE Drilling Conference and Exhibition

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Post-well analysis of data acquired during a major operator’s field development in West Africa led to best practices and recommendations for wells that require high buildup rates at shallow depths. This paper describes the successful application of these lessons learned to deepwater Gulf of Mexico. At shallow depths in deepwater environments around the world, geological sediments are very soft and unconsolidated, making kickoff and buildup operations challenging. In soft formations, achieving a consistent dogleg severity with mud motors is a common operation and is successfully proven around the world. However, rotary steerable systems (RSSs) are now recognized as the preferred technology for some deepwater applications. Four years ago, the first attempts to build angle with large-size RSS in soft formations showed erratic results. Comprehensive analyses and tests were conducted to define the optimum bottomhole assembly (BHA) design, hydraulics, wellbore trajectory and directional drilling practices. Subsequently, implementing the lessons learned and best practices developed as a result of this study resulted in consistent success achieving the required well objectives. This paper discusses how these lessons learned and best practices from West Africa were applied to extended reach drilling (ERD) required to penetrate shallow reservoirs in deepwater Gulf of Mexico. This paper also discusses the various reasons why it is critical to achieve the required build rates in ERD wells and consequences of failing to do so.

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Deepwater Directional Drilling in Soft Formations: Lessons Learned in West Africa Applied to Gulf of Mexico

Prieto

Symons

Pardo

2010

IADC/SPE Drilling Conference and Exhibition

View full text Add to dashboard Cite

show abstract

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Shallow Kick-off Extended Reach Drilling in GOM

Abstract: TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractAnadarko Petroleum Corporation spudded a shallow kick-off extended reach well from the High

Cited by 1 publication

References 10 publications

Deepwater Directional Drilling in Soft Formations: Lessons Learned in West Africa Applied to Gulf of Mexico

Deepwater Directional Drilling in Soft Formations: Lessons Learned in West Africa Applied to Gulf of Mexico

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