FIELD: oil and gas industry.
SUBSTANCE: invention relates to the bridge plug to be installed in the well limited by the casing string. The bridge plug includes integrity component to maintain the anchor integrity or structural integrity in the well during usage creating pressure in its top part, at that the specified component is made with possibility of dissolution in the well and out of the material containing chemically active metal, that is selected from a group including aluminium, calcium, magnesium, and alloying element.
EFFECT: invention ensures drilling of the bridge plug.
23 cl, 5 dwg
