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Project Number 239
Date of Summary March 31, 2000
Subject Paraffin Deposition Prediction in Multiphase Flowlines and Wellbores
Performing Activity University of Tulsa, Dept. of Petroleum Engineering
Principal Investigator Dr. James P. Brill and Dr. Michael Volk
Contracting Agency Minerals Management Service
Estimated Completion March 2000
Description This is a Joint Industry Project(JIP) with 36 members. The objective was to develop an integrated model to predict paraffin deposition in two-phase (gas/oil) production systems. Three aspects were studied: flow loop and deposition, thermodynamics and fluid characterization, and heat transfer.
Progress A single phase flow loop was designed and built. Preliminary tests runs were run using the single phase loop. A multi-phase flow loop was designed. A thermodynamic model was completed and tested against available data. The model calculates bubble points, dew points, critical points, cricondentherms, cricondenbars, and vapor-liquid phase envelopes of different fluids on a weight, mole, or volume basis. A graphical users interface was developed and final data gathered. The final report was submitted in March 2000.

The last semi-annual meeting was held on September 29, 1999 at Tulsa University. The JIP members received a proposal to expand the work and have a new contract and MMS has joined the new project. See project #371.
Reports
AA (86 pages) File in Adobe's Portable Document Format (PDF). Paraffin Deposition Prediction in Multiphase Flowlines and Wellbores, Joint Industry Project: Fluid Characterization and Property Evaluation, Final Report, The University of Tulsa, Department of Petroleum Engineering, February, 1999.
AB (104 pages) File in Adobe's Portable Document Format (PDF). Paraffin Deposition Prediction in Multiphase Flowlines and Wellbores, Joint Industry Project: Final Report, University of Tulsa, Department of Petroleum Engineering, March 2000.

 

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