APPLICATION OF TC-938 PLUGGING AGENT IN LOSS CIRCULATION CONTROL OF WELL RENPING-2

This paper introduces a practice that water shutoff agent TC-938,an organic compound,is successfully used as a loss circulation material in Well Ranping 2 for loss circulation control of carbonate reservoir.The characteristics of the chemical agent TC-938,plugging mechanism and applied technology are indicated in the paper.It is believed that this practice is a new drilling technology and valuable to develop and apply in loss circulation control.