Научно-Исследовательский Институт Технологии Бурения
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Application filed by Науково-Дослідний Інститут Технології Буріння, Научно-Исследовательский Институт Технологии БуренияfiledCriticalНауково-Дослідний Інститут Технології Буріння
Priority to UA3215210ApriorityCriticalpatent/UA7338A1/en
Publication of UA7338A1publicationCriticalpatent/UA7338A1/en
Device for installation of bridges in well includes body with axial channel, container, back valve, support element with axial channel and fit seat and plug-packer. To increase reliability of operation of the device support element is arranged as upper bushing with radial openings and fit seat between those and lower bushing with radial openings and fit seat over those.
UA3215210A1980-12-111980-12-11Device for installation of bridges in well
UA7338A1
(en)