The C6 reservoir of YC formation is shallowly buried in QiLiCun oilfield, Ordos basin. It’s a layered, ultra-low permeable and low pressure oil pool with poor productivity. Hydraulic fracturing is the necessary and only effective stimulation way for economic oil production. There are several calcareous interbeds in it, the thin and heterogeneous oil-bearing layers here are poorly connected or even unconnected in vertical. And it is prone to forming artificially horizontal hydraulic fracture for its particular payzone in-situ stresses. In conventional fracturing stimulation, only 1 or 2 fractures are feasible. Then few producing layers were employed only in production. Aiming at multiple horizontal fractures should be located exactly in hole, based on its affecting factors intensive analyzing in fracturing and field technological stimulation mechanism research, a study and application of hydraulic jet fracturing (HJF) has been introduced. A 2 stage fracturing of 2.5m space has been finished. It’s a breakthrough or milestone for conventional operation. The successful pilot test has proved that fracture can be located exactly by HJF and then well productivity is enhanced obviously also. According to the operation practice, some feasible operation measures improvement has been discussed in detail. HJF should be the predominant technology for the field.


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    Titel :

    A Study of Hydraulic Jet Fracturing in Shallow Reservoir


    Beteiligte:
    Nie, Cui-Ping (Autor:in) / Dai, Xu-Chao (Autor:in) / Ning, Chuang (Autor:in)


    Erscheinungsdatum :

    2012


    Format / Umfang :

    4 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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