«Oilfield engineering»

Assessing the potential of using a limitedly swollen polymer in diverter technologies in injection wells with the downhole liquid piping based on laboratory testing data

UDC: 622.276.43:678
DOI: -

Authors:

¹ SamaraNIPIneft, Samara, Russia

Keywords: conformance control, limited-swollen polymer, downhole pumping, filtering experiment, ideal fracture model

Annotation:

Injection wells provision by inverted pumps in order to provide water pumping forward is currently a common practice. Generally, the intra-well equipment is uplifted to carry out measures for non-productive pumping liquidation as well isolation of washed high-permeable zones. In order to save repair time and costs, there appears the necessity of implementing diverter technologies while reducing the round trip operations. One of the approaches to solving the task is the choice of the obstructing composition which, when pumped through the downhole pumping equipment, would have no negative effect on both the equipment performance characteristics and the composition physical-chemical parameters.

The authors of the article provide the results of an integrated laboratory study of the limited-swollen polymer well suited for the geological-physical conditions of the deposits located in the Orenburg region.

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