1.75 Inch Unlatching Tool Wireline Pressure Gauge Hanger API

I. Overview:

The unlatching tool is a tool for putting in downhole instruments, with the upper end connected with the basic tool string and the lower end connected with the anti-upward movement tool. When putting in the downhole tool, the lower joint of the unlatching tool is connected with the anti-upward movement tool, and after the releasing is successful, the upper joint of the unlatching tool and the cylinder are pulled out together. The lower joint and the anti-upward movement tool are left in the well for operation. After the operation is finished, the lower joint of the lost hand tool can be fished out together.

II., the structural characteristics:

The main parts of the unlatching tool are upper joint, cylinder, spring, slider and lower joint. The upper end of the upper joint is connected with the tool string, and the lower thread is connected with the cylinder. The lower joint can move up and down in the spiral groove at the lower end of the cylinder under the action of the cylindrical pin of the spring machine, and finally the downhole tool can be dropped. The spring and slider can only release the lower joint.

III. Maintenance and maintenance:

1) When using, carefully check whether the threaded connection of each part is in good condition and loose, so as to prevent some parts from falling off when going down the well and cause accidents.

2) After disassembly, check the service conditions of the set screws and springs in time, and apply grease everywhere to ensure the normal use of the tools.

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