LINER HANGER SYSTEM


Model "BT" & "BS" Hydraulic Liner Hanger with Double Slips

Product No. Bl 261-1U & Bl-261-0U

DESCRIPTION & APPLICATION :-

Botil Hydraulic Liner Hanger are used to hang a liner in well without rotating the work string to set the hanger. The hydraulic liner hanger is recommended for applications such as setting new liner through existing liners or on floating rigs. The Hanger provides full bypass in the set position during cementing operations.

All Botil hangers are solid body construction and have rugged slips, individually tested and certified to assure their biting and hanging capacity even in the highest strength casing.

The Botil Model "BS" Hanger is provided with stub acme threads at the upper end for assembling with Tie Back Receptacle.

The Botil Model "BT" Hanger, meant for use with Model "BWS" Compression Packer, is provided with internal casing threads for Top Packer.

OPERATION :-

If pipe movement is not required hydraulic liner hangers may be set prior to cementing. This is done by releasing a setting ball from that surface that seats in a BS hydraulic latch landing collar. Applying internal hydraulic pressure to shear the hanger setting piston will force the slip upward between the cone and casing allowing the liner hanger to support the liner weight. Increasing Pressure will shear out the ball seat of the ‘BS’ collar allowing circulation for cementing. The running tool may now be released with right hand rotation.

If reciprocal pipe movement is required to enhance bonding, the hanger may be set after cementing by pressureing against landed plugs and then releasing the running tool with right hand rotation.

Specification Guide

Model "BT" & "BS" Hydraulic Liner Hanger

Product No. Bl 261-1U & Bl 261-0U

Liner Size O.D. Casing Size Total Aprox. Length in Inch Body Max. O.D.
O.D. Weight (lbs)
5" 7" 26-29 79.37 5.875
7" 9-5/8" 43.5-47 89.3 8.250

 


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