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Method for increasing productiveness of oil and gas wells. RU patent 2247234.

Method for increasing productiveness of oil and gas wells. RU patent 2247234.

FIELD: oil and gas industry.

SUBSTANCE: method includes acidic treatment of bed, calculation of hardness decrease and pressure of rocks tearing and pressure for pressing working solution into bed, completion of well and the actual hydraulic tear. Pressure for pressing is determined from formula Pht=(2μ·Pm/(1-μ)+(1-3μ)·Pb/(1-μ), where Pht - rocks tear pressure, Pm - mountain pressure, Pb - bed pressure, μ - Poisson coefficient.

EFFECT: higher yields.

1 ex, 1 tbl

 


 

IPC classes for russian patent Method for increasing productiveness of oil and gas wells. RU patent 2247234. (RU 2247234):

E21B43/27 - by use of eroding chemicals, e.g. acids
E21B43/26 - by forming crevices or fractures
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