The Impact of Rotating Control Devices on the Incidence of Blowouts: A Case Study for Onshore Texas, USA
- Christopher Jablonowski (University of Texas at Austin) | Augusto L. Podio (University of Texas at Austin)
- Document ID
- Society of Petroleum Engineers
- SPE Drilling & Completion
- Publication Date
- September 2011
- Document Type
- Journal Paper
- 364 - 370
- 2011. Society of Petroleum Engineers
- 1.6 Drilling Operations
- Risk analysis, Statistical analysis, Rotating control devices, Blowouts
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- 603 since 2007
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Rotating control devices (RCDs) are used to provide a closed circulating system. Conventional wisdom suggests that drilling with RCDs improves kick detection and thus that fewer blowouts should occur when this equipment and related practices are deployed. Some insurers require RCDs, based in part on this perception. However, there is no published analysis that demonstrates a definitive link between the use of RCDs and the incidence of blowouts. In this paper, the authors use regression analysis to test for such a link. The authors find consistent statistical evidence, across a variety of regression models and variable specifications, that the use of RCDs decreases the incidence of blowouts. Future investigations could incorporate additional RCD-usage data and perform a definitive benefit/cost analysis, test hypotheses about other potential benefits of RCDs (e.g., preventing drilling problems, increasing general drilling efficiency), and examine performance in other regions (US, international).
|File Size||540 KB||Number of Pages||7|
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