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Technical Session 6 – Performance Drilling

Editor’s note: These abstracts have been edited for space and clarity. This program is current as of 15 January 2013. Additions, withdrawals and other changes to the conference program after this date may not be reflected. Click here for the most updated program. TECHNICAL SESSION 6: PERFORMANCE DRILLING SPE/IADC 163548 A Brief History of the Shell “Soft Torque Rotary System” and Some Recent Case Studies, J.J. Runia, S. Dwars, Shell; I. Stulemeijer, Consultant The Shell “Soft Torque Rotary System” is a rotary drive control system to mitigate torsion vibrations in oil and gas drilling. The system was developed by Shell (with help from industry partners) in the early ‘90s and commercialized by licensing to a number of industry equipment suppliers. ...

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Technical Session 7 – Drilling Dynamics

Editor’s note: These abstracts have been edited for space and clarity. This program is current as of 15 January 2013. Additions, withdrawals and other changes to the conference program after this date may not be reflected. Click here for the most updated program. TECHNICAL SESSION 7: DRILLING DYNAMICS SPE/IADC 163565 Little Things, Big Effects – Identifying Causes and Addressing Vibrations Issues in Challenging Deepwater Applications, G. Mensa-Wilmot, P. Benet, B. Maddoux, D. Ramchune, Chevron This paper identifies a major contributor to drilling vibrations that is often overlooked in the types of analysis mentioned earlier – geometries of downhole tools, especially stabilizers. This realization is based on extensive analysis of worn tools. Correlations between specific vibrations modes, their initiation factors and ...

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