-Drilling liner hanger It is used for liner cementing, drill pipe can suspend the casing string on the technical casing and upper casing by the liner hanger, and then inject cement, which can reduce pressure loss and save casing, cement and additive.
type:
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mechanical liner hanger
-hydraulic type liner hanger
-top isolation type liner hanger
MECHANICAL LINER HANGER
hanging casing by hoisting, forward rotating, lowing down, no need of injecting ball and holding pressure, the operation is simple
-be suitable for vertical well and low angle deviated hole
-High mechanical strength, strong hanging ability
-It no need to find the neutralpoint when backing off, it will be easily fall open buckle as the drill press 5~8t.
hydraulic type liner hanger
-More Slips suitable for heavy-duty requirements
-be suitable for vertical well and inclined shaft Cementing work.
-High mechanical strength;
-Single hydraulic control seat hanging;
-It no need to find the neutralpoint when backing off, it will be easily fall open buckle as the drill press 5~8t.
Top isolation type liner hanger
-Provide back-up packer means for the Oil and gas water channeling problems exist in liner cementing;
-Packer rubber tube using ZP2020 rubber;
-Pressure ≥35Mpa, temperature 180 ºC.
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