Reducing the effect of free gas on the operation of pumping equipment

In modern conditions, the share of lowyield oil deposits with low-permeability reservoirs increases among the newly introduced fi ds. Such deposits, as a rule, are exploited with low bottomhole pressures in wells and worsened performance of pumping equipment due to the infl e of free gas. Reduction of the negative eff of free gas on the pump is achieved in various ways in each case. One of the optimal methods is the use of shanks with elongated intake fi ers. The paper describes a number of other technological and technical methods for reducing the harmful eff of free gas on the operation of pumping equipment.
Materials and methods
Experimental material analysis, engineering calculation of the process and equipment material properties
Results
1. The most rational way to protect pumps from the breakthrough of accumulated annulus gas is the use of shanks. 2. The use of elongated fi ers at the pump intake contributes to the improvement of gas separation and removal into the annulus. 3. The selection and application of methods for reducing the harmful eff of gas on the operation of pumping equipment are produced for each specifi well individually.