Abstract
Abstract The 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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