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Electric Impulse Drilling: Future-Orientated HT/HP Analysis of Drilling Fluids

[+] Author Affiliations
Franziska Lehmann, Katja Beier, Anne Schulz

Technical University Bergakademie Freiberg, Freiberg, Germany

Erik Anders

Technical University Dresden, Dresden, Germany

Paper No. OMAE2017-61108, pp. V008T11A001; 10 pages
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5776-2
  • Copyright © 2017 by ASME


Modern rheological analyses provide good possibilities to understand the deformation and flow of fluids under different conditions. These methods used so far in the food industry as well as in the paints and coatings industry should transferred to the oil and gas industry, especially to the drilling fluid sector, to understand the drilling fluid behavior under borehole conditions. Traditionally, the rheology of drilling fluids is based on measurements under atmospheric conditions. The present study describes a new HT/HP measuring system by Anton Paar GmbH consisting of a modern rheometer including a high-pressure cell. This new system allows rheological analyses under a pressure up to 1000 bar and a temperature up to 300 °C. In consequence it is possible to observe conventional challenges within the drilling fluid sector under new points of view. Within the present study different drilling fluid systems were analyzed under common as well as under new rheological aspects. The results of both measuring systems were compared to each other. Furthermore, drilling fluid properties such as density, filtration and settling behavior were determined under different temperature regimes. Regarding to the operating principle of the electric impulse drilling (EID) technique the electric conductivity plays an important role and has to be taken into account. The results of these tests are also presented shortly.

Copyright © 2017 by ASME



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