Analysis of Adsorption Mechanism of Anti-Balling Additive for Drilling Engineering on Metal Surface

Cha Ma; Yu Ping Yang; Long Li

doi:10.4028/www.scientific.net/AMM.437.551

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 437Analysis of Adsorption Mechanism of Anti-Balling...

Analysis of Adsorption Mechanism of Anti-Balling Additive for Drilling Engineering on Metal Surface

Abstract:

Due to the repeated cracking caused by the adsorption of cuttings on the surface of drilling bits and BHA during drilling operation, the rate of penetration (ROP) could reduce remarkably. The anti-balling additive for drilling fluids (ABA) could eliminate the adsorption effect of cuttings, and increase ROP significantly. In this paper, the mechanism of eliminating the adsorption effect of cuttings was investigated in details. The results indicate that ABA can form multilayer chemical and physical adsorption on the surface of drill bits and BHA in the form of oriented adsorption of organic phosphine, which is of great importance to the design of drilling fluid system and field operation to raise ROP.

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Periodical:

Applied Mechanics and Materials (Volume 437)

Pages:

551-554

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.437.551

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Online since:

October 2013

Authors:

Cha Ma*, Yu Ping Yang, Long Li

Keywords:

Adsorption Mechanism, Anti-Balling Additive, Bit Balling, Rate of Penetration

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