METHOD OF WASHING OUT WELL Russian patent published in 1997 - IPC

Abstract RU 2098606 C1

FIELD: oil and gas production. SUBSTANCE: invention, in particular, relates to oil production in oil fields developed with heat methods involved. Method consists in setting heat-insulation housing, wash pipes, and leave gasket. Housing is fastened to wash pipe string. Sleeve gasket is placed on the end of heat-insulation housing providing flow of washing liquid between housing and wash pipes. Washing of production string in the site where heat-insulation housing is set up with wash liquid flow is excluded. EFFECT: reduced damaging effect of cold wash liquid on heated part of production string and prevented its rupture. 1 dwg

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RU 2 098 606 C1

Authors

Zrelkin Vladimir Aleksandrovich

Dates

1997-12-10—Published

1995-08-31—Filed