RADIUM FROM THE FORMATION FLUID REMOVAL AND RADIUM SALTS ON THE WELL WALLS FORMATION PREVENTION METHOD Russian patent published in 2018 - IPC E21B37/06 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to the oil and gas industry, in particular to the radiobaryte containing mineral salts solid deposits on the hydrocarbons production equipment formation prevention methods. Installing the filter with sorbing agents in the oil and gas well at the tubing string bottom near the string shoe, at that, installing the filter after the water in the well production first occurrence or with the gamma radiation sharp increase on the wellhead equipment.

EFFECT: increasing the radium from the formation fluid removal efficiency, preventing the radium salts deposits formation on the well walls, tubing and other downhole equipment, reducing the gamma radiation negative impact on the personnel duration.

1 cl, 3 dwg