«Oilfield engineering»

Possibility of operation of two production targets (producing reservoirs) of an oil field using dual-string sucker-rod pumping units with a single surface drive

UDC: 622.276.56.05
DOI: -

Authors:

¹ TatNIPIneft PJSC "TATNEFT" named after V.D. Shashin, Almetyevsk, Russia

Keywords: multizone field, dual-string sucker rod pumping unit with single drive, pumping rate, pulling force, chain drive, long-stroke operational mode

Annotation:

A method for separate production from two production targets (producing reservoirs) using sucker rod pumps with parallel arrangement of tubing strings (dual-string SRP unit) driven by a single surface drive is proposed. In this case, pumping rates of each tubing string are adjusted to inflow rates from the corresponding production target due to application of the original, mechanically controlled stroke transducer in rod string hanger. Regularities of changes in movements, velocities and accelerations of tubing string rod suspension points, which affect the loads on the unitcomponent elements, were analyzed with account for the kinematics of stroke length transducer and chain drive.

Bibliography:

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