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The JVS Model "F" Seating Nipple is a TOP NOGO or Selective Seating Nipple That provides for the location of various wireline flow control device in the Production string.
The location and number of model "F" Seating Nipples should be carefully Considered in the completion planning stages to allow maximum versatility in the Positioning of various flow control accessories.
Model "F" Seating Nipple may be used for the following operations :
Land blanking plugs to shut in wells or to test the production tubing.
Land velocity type safety valves.
Land equalizing check valves.
Land circulating blanking plugs.
Land chokes to reduce surface following pressures or to have pressure drops down-hole to prevent surface freezing in gas production.
Honed internal sealing bores for maximum sealing performance.
Locking grooves / NOGO shoulder combination above seal bore.
Accepts selective or TOP NOGO locks.
Any number of model "F" nipples with the same seal bore can be run in the tubing when selective locks are required.
TUBING SIZE
SIZE

SEAL BORE
O.D. OF TOOL

PRODUCT NUMBER
(In)

(In)

(In)

(In)
2-3/8
1.78
1.781
2.910
238JNPF001
2-3/8
1.81
1.812
2.910
238JNPF002
2-3/8
1.87
1.875
2.910
238JNPF003
2-7/8
1.87
1.875
3.410
278JNPF001
2-7/8
2.25
2.250
3.410
278JNPF002
2-7/8
2.31
2.312
3.410
278JNPF003
3-1/2
2.31
2.312
4.500
312JNPF001
3-1/2
2.75
2.750
4.500
312JNPF002
3-1/2
2.81
2.812
4.500
312JNPF003
Other sizes are available on request