High-pressure packing sand control is the main technique of KROG.

    High-pressure packing sand control is the main technique of KROG. High-pressure packing sand control is performed through simultaneous intrastratal high-pressure packing and casing packing. It is an effective way to avoid the blending of fine sand of the formation and packing sand, and improve the penetration of near well-bore area and the oil production of the well.

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