FB-2 Equalizing Check Valve Wireline Lock Mandrel
I. Overview:
FB-2 Equalizing Check Valve is actually a one-way plug, which
can only withstand the pressure difference between the upper and
lower. Compared with other plugs, it has the characteristics of
convenient and reliable fishing.
The main purpose:
(1) Check whether the oil pipe is sealed;
(2) Setting hydraulic packer;
(3) Prevent the liquid from flowing back to the oil layer in the
gas lift well;
(4) Protect the bottom layer when the top layer is increased.
II. Technical parameters:
Specifications: 2.75″/ 2.81″;
Salvage neck: 2.313″;
III. Structural characteristics and use:
FB-2 Equalizing Check Valve is composed of salvage neck, backing
ring, steel ball, mandrel, outer cylinder, sealing assembly, lower
joint, plug cap, etc.
Use the casting tool to connect the FB-2 Equalizing Check Valve, go
down to the Baker R-type seat joint, shock down and cut off the
shearing pin to lift out the casting tool to complete the setting.
When pulling out, use the tool to shock and cut the hexagon socket
flat end set screw upwards, lift the tool string up after the
pressure at the upper and lower ends is balanced, and pull out the
FB-2 Equalizing Check Valve.
IV, matters needing attention:
Before use, check whether the screws and sealing assemblies are
damaged, and replace them in time if they are damaged.
Welcome to contact us at any time.
