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High-pressure/high-temperature top no-go type SRH profile and plug
Subsurface Flow Controls

High-pressure/high-temperature top no-go type SRH profile and plug

V0-qualified, high-pressure plugs designed for use in extreme temperature and pressure environments

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Designed for use in extreme temperature and pressure environments

SRH high-pressure plugs are designed for use in extreme temperature and pressure environments. The top no-go plug is designed such that pressure from above and below is held by key/nipple engagement. Special non-elastomer V-packing stacks are gas-tight qualified up to 25,000 psi at 450°F.
 
SRH plugs are available in pump-through and positive type. The pump-through type incorporates a poppet that has a metal-to-metal seal backed up by an HP/HT non-elastomer V-packing stack. A metal-to-metal knockout plug is provided for equalization. A test prong can be run to convert the pump-through plug into a positive plug for testing from above. The two-trip prong-type plug is a positive plug with no pump-through feature. The packing on the prong uses the same type of HP/HT V-packing stacks as used on the plug body. The prong is pressure balanced for easy removal under high-pressure differential to allow for equalizing before retrieving the plug.

Related Resources

SRH Landing Nipples and Lock Mandrels

Tubing Size Nipple Profile Nipple Profile
and Lock Mandrel
Seal Bore API 14L Validation
3 1/2 2.250 V2
2.313 V2
2.375 V2
2.562 V2
4 1/2 3.125 V2
3.250 V2
3.375 V2
3.500 V2
5 1/2 4.063 V2
4.188 V2

SRH Back Pressure Valves

Tubing Size Nipple Profile
Seal Bore API 14L Validation
3 1/2 2.250 V1
2.313 V1
2.375 V1
2.437 V1
2.562 V1
4 1/2 3.125 V1
5 1/2 4.313 V1
4.688 V1

Features

  • Robust and simple uni-body style plug with one moving part (key expander) eliminates internal leak paths 
  • V0-qualified high-pressure/high-temperature (HP/HT) non-elastomer seal stack  
  • 3 x 45º loading surfaces on key above and below, maximizing key bearing area 
  • Up to 25,000-psi pressure rating at 450°F 
  • Metal-to-metal shear plug for equalizing in pump-through type

Benefits

  • Bubble-tight seal performance at ultra-high pressures and temperatures
  • Key/nipple profile configuration provides ultra-high-pressure capability while minimizing component stress levels 
  • All seals are inert to all known well fluids and are unaffected by rapid gas decompression 
  • Pump-through plug type allows for well kill while installed in the nipple profile

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