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Exwell 'BO’ Type Shifting Tool

The Exwell ’BO’ Type Shifting Tool is designed with the Keys is held in retracted position until the Sliding Sleeve to be opened is reached during operation.As the toolstring is lowered through the Sliding Sleeve, the Dogs up far enough to retract into the upper groove on the Main Mandrel. As the Dogs down and out to their original position. The toolstring should then be raised back into the Sliding Sleeve upward strain on the wireline is required to compress the upper spring, allowing the Dogs, Dog Retainer and Spring Housing to move down ward.

The Dogs should move down far enough to engage the lower groove on the Main Mandrel. At this point the Spring Housing should release the Keys, allowing them to expand to engage the profile in the Closing Sleeve. Downward jar action should cause the keys to retract, to release the Shifting Tool and to allow the toolstring to be raised to any Sliding Sleeve to be shifted down or it may be returned to the surface.


Technical Specification:

SSD I.D OD(KEYS
EXPANDED)
OD(KEYS
RETRACTED)
OD(DOGS
EXPANDED)
FISH
NECH
CONNECTION
1.500" 1.69" 1.49" 1.62" 1.187" 15/16"UN
1.875" 2.16" 1.86" 1.93" 1.375" 15/16"UN
2.313" 2.60" 2.34" 2.38" 1.750" 15/16"UN
2.562" 2.97" 2.53" 2.68" 1.750" 15/16"UN
2.750" 3.03" 2.72" 2.84" 2.312" 1-1/16"UN
2.813" 3.16" 2.72" 2.90" 2.312" 1-1/16"UN
3.313" 3.61" 3.25" 3.43" 2.312" 1-1/16"UN
3.688" 4.15" 3.66" 3.75" 2.312" 1-1/16"UN
3.813" 4.09" 3.75" 3.91" 3.125" 1-1/16"UN
4.313" 4.875" 4.25" 4.42" 3.125" 1-1/16"UN
4.562" 5.00" 4.53" 4.66" 3.125" 1-1/16"UN
EXWELL ‘BO’ TYPE SHIFTING TOOLS

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