FIELD: well repair technology. SUBSTANCE: this relates to oil and gas, mining, geological, and other fields of industry and it can be used for repair operations in oil and gas, water, and other wells. According to method, stationary or movable hoisting facilities are installed on working site close to well at angle of 180 deg relative to their longitudinal axes at equal distance from well hole. Tackle systems of hoisting facilities are rerigging into single common tackle system with one tackle block. Both winches or one winch can be used in operation. Application of aforesaid method allows for increasing load lifting capacity of hoisting facilities in performing repair or emergency operations in wells. EFFECT: higher efficiency. 1 dwg
Authors
Dates
1999-10-20—Published
1996-06-03—Filed