A New Low Risk Technique of Forming A Level 6 (TAML) Multilateral Junction

Hogg, W.C.; Mackenzie, A.

doi:10.2118/50664-ms

All Days 1998

DOI: 10.2118/50664-ms

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A New Low Risk Technique of Forming A Level 6 (TAML) Multilateral Junction

W.C. Hogg¹,

A. Mackenzie²

Abstract: TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractWithin the last two years, multilateral systems offering full hydraulic and mechanical integrity have become commercially available in the petroleum industry. Emphasis has now begun to shift toward increasing the flexibility of these systems while minimizing the overall risk associated with the implementation of the multilateral. This paper details the development of a new Level 6 (TAML) type of multilateral that offers mechanical and hydraulic integrity and … Show more

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1999

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Convergence of Key Technologies in Multilateral Well Construction

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Good

1999

SPE Asia Pacific Oil and Gas Conference and Exhibition

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TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractThe authors in this paper attempt to propose a model for identifying and selecting key technologies that would add value to the return on investment on a Multilateral well. The last few years have seen the proliferation of Multilateral (ML) wells in the Asia Pacific region and elsewhere in the world. On a parallel front, the oil industry has experienced the introduction of key technologies such as geosteering, rotary steerable "automated" drilling tools, sealed junction technologies, non damaging drill-in fluids, re-entry access completion equipment in development projects worldwide. In conjunction with the development in junction classification and junction construction, it has been noticed that these key technologies in areas of drilling, completion and well planning are increasingly being applied to the construction of Multilateral wells. This paper traces the historical outline of the technology development in Multilateral wells, and it documents the milestone introduction of key technologies that will greatly enhance the return on investment in a Multilateral well. The Authors in this paper will propose a model for identifying the technology needs and the potential enhancement in cost savings for applying key technology. The benefits and cost effectiveness of these technologies are discussed in this paper, and the inevitability of Multi-lateral technology converging with other key technologies are highlighted.

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Convergence of Key Technologies in Multilateral Well Construction

Lim

Good

1999

SPE Asia Pacific Oil and Gas Conference and Exhibition

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Use of Formed Metal Technology to Provide Low-Risk Solutions to High-End Multilateral Completion Challenges

Hogg

Mann

Helmer³

et al. 1999

SPE Annual Technical Conference and Exhibition

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Use of Formed Metal Technology to Provide Low-Risk Solutions to High-End Multilateral Completion Challenges

Hogg

Mann

Helmer³

et al. 1999

All Days

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TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractA newly developed multilateral junction system utilizing formed metal technology led to the installation of the world's first Level 6 multilateral completion in the South Belridge Field near Bakersfield, California. This multilateral system provided a hydraulically sealed junction that, during installation, had an effective outside diameter less than the sum of the junction's two lateral casing legs. The junction was capable of running through standard casing and hole sizes as a result of this reduced diameter. Downhole, the junction was reformed using swaging technology. This multilateral system used conventional casing, cementing and drilling systems. In addition, no milling was required and therefore no debris was created.As a result, the overall process of creating the multilateral was simplified and associated risks minimized.In this paper, the authors will discuss this level 6 multilateral completion including an operational description of the junction system itself. The authors will outline how the system was installed and operated, including the difficulties encountered and how lessons learned from the first installation are being applied to improve performance and process in future applications. The authors will also explain how the service company and operators worked together to finance this multilateral system such that it could be applied in a low cost, low risk environment prior to application in very high cost, high risk, environments.

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A New Low Risk Technique of Forming A Level 6 (TAML) Multilateral Junction

Cited by 3 publications

References 0 publications

Convergence of Key Technologies in Multilateral Well Construction

Convergence of Key Technologies in Multilateral Well Construction

Use of Formed Metal Technology to Provide Low-Risk Solutions to High-End Multilateral Completion Challenges

Use of Formed Metal Technology to Provide Low-Risk Solutions to High-End Multilateral Completion Challenges

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