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Proceedings Papers

Hyperbaric Welding and Wire Arc Additive Manufacturing for Downhole Applications in the Oil and Gas Industry

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Sharen Monserrat Leon Escobar, Alexander Walzl, Krishna Ravi, Michael Prohaska, Martin Stockinger, Ian Malcolm Richardson, Nazanin Fateh, Stefan Hönig
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215359-MS
https://doi.org/10.2118/215359-MS
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Proceedings Papers

Improved Prediction of ECD with Drill Pipe Rotation

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Terry Hemphill, Krishna Ravi
Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-15424-MS
https://doi.org/10.2523/IPTC-15424-MS
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View Paper titled, Improved Prediction of ECD with Drill Pipe Rotation
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Proceedings Papers

Modeling the Effect of Drill Pipe Rotation Speed on Wellbore Cleanout

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Terry Hemphill, Krishna Ravi
Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 1–3, 2010
Paper Number: SPE-135703-MS
https://doi.org/10.2118/135703-MS
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View Paper titled, Modeling the Effect of Drill Pipe Rotation Speed on Wellbore Cleanout
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Proceedings Papers

A Simplified Method for Prediction of ECD Increase with Drillpipe Rotation

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Terry Hemphill, Krishna Ravi, Peter Bern, Juan Carlos Rojas
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-115378-MS
https://doi.org/10.2118/115378-MS
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View Paper titled, A Simplified Method for Prediction of ECD Increase with Drillpipe Rotation
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Proceedings Papers

Field Validation of Drillpipe Rotation Effects on Equivalent Circulating Density

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Terry Hemphill, Peter Bern, Juan Carlos Rojas, Krishna Ravi
Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110470-MS
https://doi.org/10.2118/110470-MS
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View Paper titled, Field Validation of Drillpipe Rotation Effects on Equivalent Circulating Density
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Proceedings Papers

Deepwater Cementing Challenges

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Krishna Ravi, Ewout N. Biezen, Stephen C. Lightford, Ashley Hibbert, Chris Greaves
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56534-MS
https://doi.org/10.2118/56534-MS
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Proceedings Papers

Drill-Cutting Removal in a Horizontal Wellbore for Cementing

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Krishna Ravi, Lawrence Weber
Paper presented at the IADC/SPE Drilling Conference, March 12–15, 1996
Paper Number: SPE-35081-MS
https://doi.org/10.2118/35081-MS
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