Fines Migration in Fractured Wells: Integrating Modeling With Field and Laboratory Data
- Chris Carpenter (JPT Technology Editor)
- Document ID
- Society of Petroleum Engineers
- Journal of Petroleum Technology
- Publication Date
- February 2015
- Document Type
- Journal Paper
- 129 - 132
- 2015. Society of Petroleum Engineers
- 1 in the last 30 days
- 138 since 2007
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This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 165108, "Fines Migration in Fractured Wells: Integrating Modeling With Field and Laboratory Data," by M. Marquez, W. Williams, and M. Knobles, Chevron, and P. Bedrikovetsky, SPE, and Z. You, SPE, University of Adelaide, prepared for the 2013 SPE European Formation Damage Conference and Exhibition, Noordwijk, The Netherlands, 5-7 June. The paper has not been peer reviewed.
Production and drawdown data from 10 subsea deepwater fractured wells have been modeled with an analytical model for unsteady-state flow with fines migration. The simulation results and the field data indicated a good match, within 5%. This paper describes the methodology used to integrate the modeling predictions with field and laboratory data to identify probable causes for increasing skins and declining productivity-index (PI) values.
Fines migration is a complex phenomenon that can challenge the economic viability of a project because of well-productivity decline, lower-than- expected hydrocarbon recoveries per well, large capital expenditures to drill and complete additional wells, and high operating costs from suboptimal facility designs. Excessive fines production may also result in equipment erosion and corrosion, formation of hard-to-break emulsions, and plugging of flowlines and surface facilities, all leading to potential hazardous situations.
This paper describes a multidisciplinary approach in which fines-migration modeling has been integrated with field and laboratory data to ascertain whether fines migration may be associated with rapidly increasing skins and declining PI values observed in a subset of deepwater fractured wells. Laboratory studies exhibit fines release and migration during coreflooding and stress testing; the field well-productivity data are well-matched with the mathematical modeling.
|File Size||258 KB||Number of Pages||4|