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X- Lock toolLocation:
To locate and lock a variety of subsurface controls in the desired corresponding nipple profiles.
Product details
PURPOSE
To locate and lock a variety of subsurface controls in the desired corresponding nipple profiles.
DESCRIPTION
The “X” lock mandrels have internal fishing necks, their components are:
1. Fish Neck
2. Expander Sleeve
3. Key Retainer Sleeve
4. Packing Mandrel
5. Key Springs
6. Keys
7. Packing Assembly.
OPERATION
The “X” lock mandrels with the flow control components are designed for the“X” seating nipples installed in standard weight tubing. These lock mandrels similar in design are selective, this is made possible by their running tools.
The lock mandrels maybe installed in any one of multiple seating nipples installed in the tubing string of comparable size.
Once the desired nipple has been located in the tubing string these mandrels are mechanically locked. This is done by driving the expander sleeve behind the keys, holding the mandrel in a locked position.
Running tool required is “X”
Pulling tool required is “GS” or “GR”.
PRECAUTIONS
Be sure the key springs are of the right tension and form so as to hold the keys fully loaded for running in a controlled position and held tight to the packing mandrel when the lock mandrel is ran selective. This prevents the keys from hanging up when passing through upper nipples.
Ensure the ratchet rings on the expander sleeve and inner keys are not excessively worn.
