Review and analysis of zonal isolation effectiveness in carbonate reservoirs using multi-stage stimulation systems

M. Nozaki, R. C. Burton, Kenji Furui, N. R. Zwarich

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

    Abstract

    It is common practice to complete long carbonate intervals with multi-stage stimulation treatments especially in horizontal wells. Each zone tends to be mechanically isolated using cement or openhole packers and then acid stimulated. Zonal isolation effectiveness is judged on the basis of job pressure response or post-job production logging. The recent introduction of intelligent well systems (IWS) with zone specific pressure and temperature gauges allows more effective review of zonal isolation during stimulation. This paper reviews zonal isolation results from a series of high-rate acid jobs conducted in wells equipped with zone-specific pressure and temperature gauges. 21 acid stimulation jobs from 13 different wells are reviewed to investigate the effectiveness of zonal isolation during and after treatment. Well examples presented in this paper cover several different completion types: cemented and un-cemented; intelligent well system, plug-and-perf completion and ball-activated sliding sleeve completion. The analysis revealed several different pressure and/or flow communication patterns. Field examples and analysis results presented in this work will help engineers design and optimize cemented and un-cemented wells requiring multi-stage stimulation in carbonate fields.

    Original languageEnglish
    Title of host publicationSociety of Petroleum Engineers - SPE Annual Technical Conference and Exhibition, ATCE 2015
    PublisherSociety of Petroleum Engineers (SPE)
    Pages462-486
    Number of pages25
    Volume2015-January
    ISBN (Electronic)9781510813229
    Publication statusPublished - 2015
    EventSPE Annual Technical Conference and Exhibition, ATCE 2015 - Houston, United States
    Duration: 2015 Sep 282015 Sep 30

    Other

    OtherSPE Annual Technical Conference and Exhibition, ATCE 2015
    CountryUnited States
    CityHouston
    Period15/9/2815/9/30

    Fingerprint

    Carbonates
    Gages
    Acids
    Well logging
    Packers
    Horizontal wells
    Cements
    Engineers
    Temperature
    Communication

    ASJC Scopus subject areas

    • Fuel Technology
    • Energy Engineering and Power Technology

    Cite this

    Nozaki, M., Burton, R. C., Furui, K., & Zwarich, N. R. (2015). Review and analysis of zonal isolation effectiveness in carbonate reservoirs using multi-stage stimulation systems. In Society of Petroleum Engineers - SPE Annual Technical Conference and Exhibition, ATCE 2015 (Vol. 2015-January, pp. 462-486). Society of Petroleum Engineers (SPE).

    Review and analysis of zonal isolation effectiveness in carbonate reservoirs using multi-stage stimulation systems. / Nozaki, M.; Burton, R. C.; Furui, Kenji; Zwarich, N. R.

    Society of Petroleum Engineers - SPE Annual Technical Conference and Exhibition, ATCE 2015. Vol. 2015-January Society of Petroleum Engineers (SPE), 2015. p. 462-486.

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

    Nozaki, M, Burton, RC, Furui, K & Zwarich, NR 2015, Review and analysis of zonal isolation effectiveness in carbonate reservoirs using multi-stage stimulation systems. in Society of Petroleum Engineers - SPE Annual Technical Conference and Exhibition, ATCE 2015. vol. 2015-January, Society of Petroleum Engineers (SPE), pp. 462-486, SPE Annual Technical Conference and Exhibition, ATCE 2015, Houston, United States, 15/9/28.
    Nozaki M, Burton RC, Furui K, Zwarich NR. Review and analysis of zonal isolation effectiveness in carbonate reservoirs using multi-stage stimulation systems. In Society of Petroleum Engineers - SPE Annual Technical Conference and Exhibition, ATCE 2015. Vol. 2015-January. Society of Petroleum Engineers (SPE). 2015. p. 462-486
    Nozaki, M. ; Burton, R. C. ; Furui, Kenji ; Zwarich, N. R. / Review and analysis of zonal isolation effectiveness in carbonate reservoirs using multi-stage stimulation systems. Society of Petroleum Engineers - SPE Annual Technical Conference and Exhibition, ATCE 2015. Vol. 2015-January Society of Petroleum Engineers (SPE), 2015. pp. 462-486
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