Increasing the Reliability, Service Life, and Ecological Safety of the Stuffing Boxes of Wellhead Equipment of Wells that Operate by Means of Deep-Well Sucker-Rod Pumping Units

详细

A novel design of an axial (self-centering) blowout prevention well-head seal that eliminates a number of the drawbacks in the wellhead equipment which is used today and whicuh possesses high services qualities, reliability indicators, and service life is proposed. The design is protected by Russian Patent No. 2573887.