Methods for drilling and completing a drilling hole.And for removal of the filter cake composed of a geleificante agent and calcium carbonate in the walls of a drilling hole

摘要

"Methods to drill and complete a drilling hole.And for removal of the filter cake composed of a geleificante agent and calcium carbonate in the walls of a drilling hole. Methods are provided for drilling and completing wells open hole drilling, and methods for the removal of cake filtration is composed of a geleificante agent and calcium carbonate.A method of the invention for removing filter cake composed of a geleificante agent and calcium carbonate, the walls of the drilling hole open.It is composed of the steps of placing in contact the cake filtration with a cleaning solution composed of water and a delayed ester of format and remove the cleaning solution of the perfurau00e7u00e3The shaft.