Feaure: The CFZ-A hydraulic stage cementing collar features inner closing structure,opening through pressure difference.The closing plug drives the closing sleeve down and then shuts circulating ports. Features: 1.Openging pressure can be adjusted and it is not subjective to ...
Dongying Lake Petroleum Technology Co. [Minerals & Metallurgy] [Other Metals & Metal Products] [2019-03-07 14:01:25 ]
1.Hydraulic type 2.Top/Closing Plug and First Stage/Flexible Plug 3.Battle Plate/Free Fall Opening Device/Battle Plate 4.Available in sizes 5-1/2\" to 13-3/8\" 5.API 5CT specification Hydraulic stage collar meets the challenges of cementing holes at any angle with a ...
Dongying Lake Petroleum Technology Co., Ltd [Manufacturing & Processing Machinery] [Machine Tool Parts] [2018-07-07 13:34:48 ]