OIL-WELL SUCKER ROD PUMP

FIELD: oil producing industry; operation of slanted directional wells at high gas factor; operation at dynamic levels at reception of sucker rod pump. ^ SUBSTANCE: proposed pump has cylinder of insertion pump mounted in tubing string by means of lower lock attachment. It consists of suction valve, r...

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Bibliographic Details
Main Authors KURMASHOV A.A, ZALJATOV M.SH, ZAKIROV A.F, DZHAFAROV MIRZAKHAN ATAKISHI OGLY
Format Patent
LanguageEnglish
Russian
Published 10.01.2005
Edition7
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:FIELD: oil producing industry; operation of slanted directional wells at high gas factor; operation at dynamic levels at reception of sucker rod pump. ^ SUBSTANCE: proposed pump has cylinder of insertion pump mounted in tubing string by means of lower lock attachment. It consists of suction valve, radial passages made under edge upper position of plunger with delivery which communicate under-plunger cavity of cylinder with interior of tubing string. Delivery valve is provided with rod-pusher mounted coaxially in its body and fitted with spring-loaded upper end located in sleeve having fins for securing it in valve body; its lower end presses ball to valve seat. Radial passages are made on cylinder in form of two opposite holes. ^ EFFECT: simplified construction; enhanced efficiency; reduced length of hanger for obtaining required bottom-hole pressure.
Bibliography:Application Number: RU20030111101