Foam drilling simulator

Amir Paknejad, Jerome J. Schubert, Mahmood Amani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Although the use of compressible drilling fluids is experiencing growth, the flow behavior and stability properties of drilling foams are more complicated than those of conventional fluids. In contrast with conventional mud, the physical properties of foam change along the wellbore. Foam physical and thermal properties are strongly affected by pressure and temperature. Many problems associated with field applications still exist, and a precise characterization of the rheological properties of these complex systems needs to be performed. The accurate determination of the foam properties in circulating wells helps to achieve better estimation of foam rheology and pressure. A computer code is developed to process the data and closely simulate the pressure during drilling a well. The model also offers a detailed discussion of many aspects of foam drilling operations and enables the user to generate many comparative graphs and tables. The effects of some important parameters such as: back-pressure, rate of penetration, cuttings concentration, cuttings size, and formation water influx on pressure, injection rate, and velocity are presented in tabular form. A discretized heat transfer model is formulated with an energy balance on a control volume in the flowing fluid. The finite difference model (FDM) is used to write the governing heat transfer equations in discretized form. A detailed discussion on the determination of heat transfer coefficients and the solution approach is presented.

Original languageEnglish
Title of host publicationSPE Latin American and Caribbean Petroleum Engineering Conference
Pages17-31
Number of pages15
Volume1
Publication statusPublished - 2007
Externally publishedYes
EventSPE 10th Latin American and Caribbean Petroleum Engineering Conference, X LACPEC 07 - Buenos Aires, Argentina
Duration: 15 Apr 200718 Apr 2007

Other

OtherSPE 10th Latin American and Caribbean Petroleum Engineering Conference, X LACPEC 07
CountryArgentina
CityBuenos Aires
Period15/4/0718/4/07

Fingerprint

foam
simulator
drilling
heat transfer
fluid
formation water
drilling fluid
rheology
energy balance
mud
penetration
physical property
well
temperature

ASJC Scopus subject areas

  • Geology

Cite this

Paknejad, A., Schubert, J. J., & Amani, M. (2007). Foam drilling simulator. In SPE Latin American and Caribbean Petroleum Engineering Conference (Vol. 1, pp. 17-31)

Foam drilling simulator. / Paknejad, Amir; Schubert, Jerome J.; Amani, Mahmood.

SPE Latin American and Caribbean Petroleum Engineering Conference. Vol. 1 2007. p. 17-31.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Paknejad, A, Schubert, JJ & Amani, M 2007, Foam drilling simulator. in SPE Latin American and Caribbean Petroleum Engineering Conference. vol. 1, pp. 17-31, SPE 10th Latin American and Caribbean Petroleum Engineering Conference, X LACPEC 07, Buenos Aires, Argentina, 15/4/07.
Paknejad A, Schubert JJ, Amani M. Foam drilling simulator. In SPE Latin American and Caribbean Petroleum Engineering Conference. Vol. 1. 2007. p. 17-31
Paknejad, Amir ; Schubert, Jerome J. ; Amani, Mahmood. / Foam drilling simulator. SPE Latin American and Caribbean Petroleum Engineering Conference. Vol. 1 2007. pp. 17-31
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