CONTAINER FOR SUPPLY OF SOLID REAGENT TO WELL Russian patent published in 2010 - IPC E21B37/06 

FIELD: oil and gas industry.

SUBSTANCE: invention includes a row of tube sections, two and more, which represent perforated tubes in which there arranged is solid reagent, and which are connected by means of the coupling sleeve made from the material having rupture strength in the direction along the circle approximately similar to that of tube sections. Perforated tubes are made from metal-filled plastic or from glass fibre, or from polyamide resin, or from high-pressure polyethylene. On both end sections of the coupling sleeve and on the tubes arranged in these sections there is one through diametrical hole inside which there installed is the pin having such rupture strength in the direction along the circle which is approximately similar to that of tubes. Free edges of tubes are covered with perforated or solid plug. Tube sections are interconnected hydraulically to each other through the holes between the tube walls and the pin. Container has along the edge the reducer for connection with tubing of tubing string.

EFFECT: increasing corrosion resistance, the period of carrying over the reagent at various thermobaric operating modes, decreasing the container weight, providing versatility of the container owing to possibility of using solid reagents of any dispersity.

9 cl, 1 dwg