Ruixin Energy Equipmnet
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Safety Valve Forced Opening Tool Wireline Lock Mandrel
I. Overview:
The safety valve forced opening tool is used to permanently open the safety valve after the downhole safety valve fails.
II. Common technical parameters:
| Size | Fishing Neck | Connection |
| 1.875＂ | 1.375＂ | 15/16-10UN. |
| 2.313＂ | 1.75＂ | 1-1/16-10UN |
| 2.813＂ | 2.313＂ | 1-1/16-10UN |
| 3.813＂ | 2.313＂ | 1-1/16-10UN |
III. Structural characteristics:
The safety valve forced opening tool is composed of upper joint, collet, upper retaining ring, key, lower retaining ring, outer cylinder, mandrel, retaining ring, spring, retaining ring, support cylinder, shearing screw, plug cap, etc.
The upper end of the upper joint has a standard outer salvage neck, which is used to connect to the lower part of the basic tool string. between the rings.
IV.Matters needing attention:
1. Before going downhole, check whether the key can be retracted and bounced;
2. When not in use temporarily, remove the support cylinder and other parts at the lower part of the outer cylinder to prevent failure after long-term storage.
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