Применение расширяемых обсадных труб для ликвидации осложнений при строительстве глубоких нефтяных и газовых скважин

It has boon shown that for the time being local isolation of troubIe zоnes with expandabIe pipes with no loss of wellbore ID is the most reliabIe method of drilling troubIes control. Inclusion of this technology in well programs results in simplified well design, significant reduction of drilling time and saving of materials.