METHOD OF AND DEVICE FOR CONSTRUCTION OF TANKS IN ROCK SALT Russian patent published in 2003 - IPC

Abstract RU 2213033 C2

FIELD: oil and gas producing industry. SUBSTANCE: invention relates to method of construction of tanks in rock salt deposits for keeping gas and oil products and burial of industrial waste. According to proposed method, development working is made by widening of uncased hole of well over entire location of underground tank by mechanically breaking the rock and simultaneously delivering solvent into zone breakage and lifting brine to daylight area. Then washing out of development working is carried out with delivery of solvent and pumping out brine along suspended tubing until designed volume of underground tank is formed. To implement the method device is proposed containing cutting members with reinforced cutters moving along guide engaging with drilling member and equipped with hydraulic cylinder. Cutting members are made in form of rods connected in pairs and furnished with system of channels hydraulically coupled with inner spaces of guide and drilling member. Device is easy to fold and transport inside well and to bring out to surface. EFFECT: intensification of underground tank construction process, reduced expenses. 3 cl, 3 dwg

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RU 2 213 033 C2

Authors

Pyshkov N.N.

Chumikov N.N.

Igoshin A.I.

Dates

2003-09-27—Published

2001-12-27—Filed