Published January 2011

Improved design of gaslifting elevators for operation of sandy wells

I.L.Manafov

Last years industrial experiences show that operation of sandy wells with gaslifting method from the point of view of technological actions carrying out, and also for operational indicators surpasses in the way other mechanized ways. Two and one a half rows designs of Saunders having high reliability of operation have found wide application in the fields of Azerbaijan. Carrying out of various repair works and technological actions in operation of wells equipped with gaslifting elevators in comparison with other ways less labor consuming and consequently in sea conditions this method is widely applied. Long time operation of sandy wells with single-row elevators leads to reception of the working agent and a liquid alternate through a boot in the pipe in the result of which the skeleton of rocks in filtered zone destroyed, and also in well bottom zone appears low-frequency, high amplitude pressure impacts.