发明名称 METHOD FOR REPAIR OF WELLS
摘要 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
申请公布号 RU2139984(C1) 申请公布日期 1999.10.20
申请号 RU19960111666 申请日期 1996.06.03
申请人 NAUCHNO-PROIZVODSTVENNOE UPRAVLENIE AKTSIONERNOGO;N PROIZV UPRAVLENIE AKTSIONERN 发明人 KOSHTOREV N.I.
分类号 E21B19/00;(IPC1-7):E21B19/00 主分类号 E21B19/00
代理机构 代理人
主权项
地址