| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: lubricating device comprises a sealant, which has a body with nozzles for injection and drainage of a sealing lubricant. At the same time the lubricating device comprises the upper and lower nozzles, in every of which there are tubular shells fixed. There are guide bushings installed in tubular shells. Besides, guide bushings are made as capable of rotation around their axis as they interact with inner walls of the moved geophysical cable.EFFECT: reduced resistance to motion of a geophysical cable in a sealant, consumption of a sealing lubricant when performing geophysical research remains stable, there is no necessity to correct operation of a system of sealing lubricant supply, reduced labour intensiveness of performed works.1 dwg |
