--> ABSTRACT: Novel Sand Consolidation Completion Technique Using Alkaline Steam Injection in the Tar Zone, Wilmington Field, California, by David K. Davies, P. Scott Hara, and Julius J. Mondragon III; #91019 (1996)

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Novel Sand Consolidation Completion Technique Using Alkaline Steam Injection in the Tar Zone, Wilmington Field, California

David K. Davies, P. Scott Hara, and Julius J. Mondragon III

This is a case study of a novel sand consolidation completion technique. We have completed 11 vertical wells and 2 horizontal wells over five years with minor or no sand problems to date or noticeable impairments to well productivity. We believe that the hot alkaline water in 80% quality steam causes silica dissolution which bonds the sand grains and controls sand movement into the wellbore. Although tested in the field, we do not know the long term effects of this process. We plan to perform laboratory test and research to determine the geochemistry occurring, the contribution of the steam phase to the process, the formation around the wellbore which is being treated, and the hot water and steam volumes needed to optimize the process. The results of the laboratory study will be the subject of a future paper.

AAPG Search and Discover Article #91019©1996 AAPG Convention and Exhibition 19-22 May 1996, San Diego, California