Publichnoe aktsionernoe obshchestvo "Tatneft" imeni V.D. Shashina
发明人:
Basos Georgij Yurevich,Valovskij Konstantin Vladimirovich
申请号：
RU20170139854
公开号：
RU2669966(C1)
申请日:
2017.11.15
申请国别(地区):
俄罗斯
年份:
2018
代理人:
摘要：
FIELD: oil and gas industry.SUBSTANCE: invention relates to the oil industry and can be used for swabbing on the production well string with viscous products, on which the possibility of gas-oil manifestations is excluded. Equipment for swabbing wells on the production line includes a tee with a flush line connected from below to the bottom of the wellhead, and from above is equipped with a junction box with a lubricator equipped with an entry sensor and a cable gland cleanser. At the same time, downhole equipment that consists of a swab, equipped with a load below, and on top with a fishing nipple and a safety rupture element, a pusher and a cable lug for connecting with the rope, is lowered on the rope. Lubricator for the hermetic entry into the connection unit from below is equipped with a tip with an external sampling at the top, a spring-loaded downward glass, spring-loaded outward dies and a central passageway of a larger diameter than the rope tip, and a smaller diameter than the pusher. Connection uni
