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Empirical correlations for estimating filtrate volume of water based drilling fluids
Date
2005-03-01
Author
Ozbayoglu, Evren
Gunes, Cagri
Apak, Esat C.
Kök, Mustafa Verşan
Iscan, A. Gurkan
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Standard American Petroleum Institute (API) filter press is generally used for identifying the filtrate volume of drilling fluids and works only at very low pressures. In fact, during a drilling operation, at downhole conditions, the pressures encountered are significantly higher than what is used during standard API filter press tests. A relationship between the well-known fluid properties and the filtrate volume test is developed. In this study, experiments have been conducted for different water-clay mixtures with varying concentrations at different pressure values by using standard API filter press and HP&HT (high-pressure high-temperature) filter press. The relationship between physical and chemical properties of water-clay mixtures and filtrate volume is analyzed. An empirical correlation has been developed for estimating filtrate volume using basic information of the mud (i.e., rotational viscometer readings, density, pressure, cation exchange capacity, and chemical composition). The developed correlation can estimate filtrate volume with an error less than 20% for a wide range of pressure values.
Subject Keywords
Fuel Technology
,
Geotechnical Engineering and Engineering Geology
,
Energy Engineering and Power Technology
,
General Chemistry
,
General Chemical Engineering
URI
https://hdl.handle.net/11511/47821
Journal
Petroleum Science and Technology
DOI
https://doi.org/10.1081/lft-200031037
Collections
Department of Petroleum and Natural Gas Engineering, Article
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E. Ozbayoglu, C. Gunes, E. C. Apak, M. V. Kök, and A. G. Iscan, “Empirical correlations for estimating filtrate volume of water based drilling fluids,”
Petroleum Science and Technology
, pp. 423–436, 2005, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/47821.