FIELD: oil producing industry; operation of wells with sideholes. SUBSTANCE: proposed has oil well tubing whose length exceeds depth of paraffin crystallization commencement level, additional packer found on lower end of tubing, linear installed with stopping against well bottom, centralizers mounted on sucker rods below tubing, and intake strainer mounted on linear. EFFECT: reduced metal usage, increased overhaul period. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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