Min. Order Reference FOB Price
1 Piece US$2,530.00 - 9,850.00 / Piece
Product Description
Product Description HY stage collar is mainly used in the following situations during cementing: 1.A large amount of cement injection for one time; 2.Inability for formation to bear high fluid column pressure; 3.Isolate special zones; 4.Prevent annular gas channeling after cementing; 5.Large ...