RU94031186A - Oil-well sucker-rod pump
- Google Patents
Oil-well sucker-rod pump
Info
Publication number
RU94031186A
RU94031186ARU94031186/06ARU94031186ARU94031186ARU 94031186 ARU94031186 ARU 94031186ARU 94031186/06 ARU94031186/06 ARU 94031186/06ARU 94031186 ARU94031186 ARU 94031186ARU 94031186 ARU94031186 ARU 94031186A
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Publication date
Application filed by В.Н. Колотыгин, Ю.И. ШвейковскийfiledCriticalВ.Н. Колотыгин
Priority to RU94031186/06ApriorityCriticalpatent/RU94031186A/en
Publication of RU94031186ApublicationCriticalpatent/RU94031186A/en
FIELD: oil industry. SUBSTANCE: pump has cylinder, sucking valve, sealing units, and hollow plunger with a delivery valve. The cylinder is made up as pipe provided with a sucking valve and jacket with sealing units. Between the units is a draining opening for communication with the space downstream of the pump pipe. The draining opening is provided with a draining valve. In addition, there is an inner bore in the jacket. EFFECT: enhanced efficiency. 4 cl, 4 dwg
Claims (1)
Новым является то, что цилиндр выполнен из двух частей - трубы с жестко установленным в ней всасывающим клапаном и рубашки с уплотнительными узлами, между которыми в стенке рубашки выполнено сливное отверстие для сообщения с затрубным пространством насоса. Сливное отверстие снабжено сбивным клапаном. Кроме того, в рубашке выполнена внутренняя расточка.What is new is that the cylinder is made of two parts - a pipe with a suction valve rigidly installed in it and a shirt with sealing units, between which a drain hole is made in the wall of the shirt for communication with the annular space of the pump. The drain hole is equipped with a whipping valve. In addition, an internal bore is made in the shirt.