306W series hydraulically sealed single cone single slip large diameter hanger, when used with a special delivery tool, the single cone single slip large diameter hanger and tail pipe are lowered into the well to the designed depth for ball hanging.
306W series hydraulically sealed single cone single slip large diameter hanger, when used with a special delivery tool, the single cone single slip large diameter hanger and tail pipe are lowered into the well to the designed depth for ball hanging. When the drill bit continues to be lowered, the weight of the tail pipe is supported on the upper casing, and the pressure continues to be pressed to block the ball seat and establish normal circulation. After pressing down the forward rotating pipe column, slowly lift up and remove the delivery tool.
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