AUTOMATIC DEVICE FOR INTRODUCTION OF SOLID RODS OF SURFACE ACTIVE AGENTS INTO WELL Russian patent published in 2010 - IPC E21B43/00 E21B34/02 

FIELD: oil-and-gas production.

SUBSTANCE: device includes lubricator, corresponding to metallic pipe, in top and bottom part of which there are installed gates and three-way cock for installation of manometre gage and pressure release, cartridges block for location of solid rods of surface active agents, installed over the lubricator and fixed on wall bracket, control assembly, single-acting air actuator, connected to control assembly and cartridges block, disk with opening for introduction of solid rods of surface active agents, installed immovable. Opening for introduction of solid rods of surface active agents into lubricator is located co-axial to lubricator. Gates are implemented in the form of ball cocks with air actuators connected to control assembly. Cartridges block is implemented in the form of set of hollow cylinders located vertically and is installed over disc with opening for introduction of solid rods of surface active agents into lubricator with ability of rotation around axis up to overlap of cavity of each of cylinders with opening for introduction of solid rods of surface active agents into lubricator. Control assembly is connected to feed pipe.

EFFECT: automation and providing of safety of introduction of solid rods into well.

1 dwg