| 摘要 |
FIELD: downhole equipment, particularly methods or devices for cementing, for plugging holes, crevices, or the like. ^ SUBSTANCE: method involves arranging body made of metal, which expands during hardening, in cavity arranged in well; maintaining body temperature exceeding metal melting temperature; cooling the body up to temperature less than metal melting temperature to provide body hardening inside the cavity. ^ EFFECT: increased efficiency. ^ 10 cl, 4 dwg |
