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The Coring tool is used for acquisition of the sample of the rock core in petroleum drilling. One to three sections of the barrel can be run at one time , and it is suitable for soft, mid-hard , hard and tattered stratum . Type Chuan 7-4 is an ideal coring tool with advanced technology and perfect corollary equipments, designed on the base of the improvement of the Chuan 8-3 and Chuan 6-3.
coring tool
