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(54) УСТРОЙСТВО ДЛЯ ИЗВЛЕЧЕНИЯ ОБСАДНЫХ ТРУБ(54) DEVICE FOR EXTRACTING CASTING PIPES
применение вибраторов направленного действи , которые могут устанавливатьс как в обсадной колонне, так и на устье скважины.the use of directional vibrators, which can be installed both in the casing string and at the wellhead.
Применение предлагаемого устройст эа позвол ет повысить эффективность Извлечени обсадных труб при бурении с плавучих оснований.The application of the proposed device allows to increase the efficiency of casing extraction while drilling from floating foundations.
Claims (2)
1.Авторское свидетельство СССР 244983, кл. Е 21 В 19/00, 1967.1. Authors certificate of the USSR 244983, cl. E 21 19/00, 1967.2.Техника и технологи геологоразведочных работ, организаци производства , 23, М., ОНТИ-ВИЭМС, 1972, с.24-30.2. Technique and technologists of exploration, production organization, 23, M., ONTI-VIEMS, 1972, p. 24-30.ЛL
SU752166886A1975-08-181975-08-18Device for removing casing pipes
SU599042A1
(en)