Research of Loads on Drive of Rod Installations in Low Speed Mode at High-Viscous Oil Production

Urazakov, K.R.; Nurgaliev, R. Z.; Bikbulatova, G. I.; Sabanov, S. L.; Болтнева, Ю. А.

doi:10.17122/ngdelo-2020-1-120-129

NGD

2020

DOI: 10.17122/ngdelo-2020-1-120-129

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Research of Loads on Drive of Rod Installations in Low Speed Mode at High-Viscous Oil Production

K.R. Urazakov

R. Z. Nurgaliev

G. I. Bikbulatova

et al.

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Method for calculating dynamic loads and energy consumption of a sucker rod installation with an automatic balancing system

Urazakov¹,

Molchanova²,

Tugunov³

2021

PMI

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The efficiency of sucker rod pump installations, which have become widespread in mechanized lift practice, is largely determined by the balance of the drive. During the operation of sucker rod installations, the balance of loads acting on the rod string and the drive can change significantly due to changes in the dynamic fluid level, which leads to a decrease in balance and an increase in loads on the pumping equipment units. The increase and decrease in the dynamic level in accordance with the pumping and accumulation cycle occurs in wells operating in the periodic pumping mode. It is shown that during the operation of equipment in a periodic mode, fluctuations in the dynamic level and, accordingly, in the loads acting on the nodes occur. This leads to the need for dynamic adjustment of the balancing weights to ensure the balance of the pumping unit. A system for automatic balancing of the rod drive has been developed, including a balancing counterweight, an electric motor that moves the load along the balance beam, a propeller and a computing unit. To study the effectiveness of the proposed device, a complex mathematical model of the joint operation of the reservoir - well - sucker rod pump - rod string – pumping unit has been developed. It is shown that due to the dynamic adjustment of the balance counterweight position, the automatic balancing system makes it possible to significantly reduce the amplitude value of the torque on the crank shaft (in comparison with the traditional rod installation) and provide a more uniform load of the electric motor. Equalization of torque and motor load reduces the power consumption of the unit.

show abstract

Method for calculating dynamic loads and energy consumption of a sucker rod installation with an automatic balancing system

Urazakov¹,

Molchanova²,

Tugunov³

2021

PMI

View full text Add to dashboard Cite

show abstract

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Research of Loads on Drive of Rod Installations in Low Speed Mode at High-Viscous Oil Production

Cited by 1 publication

References 0 publications

Method for calculating dynamic loads and energy consumption of a sucker rod installation with an automatic balancing system

Method for calculating dynamic loads and energy consumption of a sucker rod installation with an automatic balancing system

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