SAFELY VENT GAS BELOW THE PACKER
INTO THE ANNULUS
NOVOMET » Products and Services » Well Completions » Flow Control » Annular Gas Vent Valve
ANNULAR GAS VENT VALVE
The surface controlled annular gas vent valve is mounted on a Novomet electric submersible pump (ESP) packer. In most operations, the packer isolates the wellhead from an unexpected build-up of gas separated by the ESP gas handling system. When the operator is ready to deal with gas at the surface, hydraulic pressure is applied to the valve. This releases the trapped gas, which will then migrate to the surface for controlled release and disposal. For enhanced safety and performance, the gas vent valve is installed at the top of the ESP packer on the second or third bypass line. Any gas build-up below the packer can be vented into the annulus above the packer by applying pressure to a ¼-in. (6 mm) hydraulic control line. The gas vent valve is fully compatible with all Novomet ESP packers.
BENEFITS
Decrease gas build-up
—Protect against gas build-up from the tubing hanger and surface area
Improve wellsite safety
—Safely control the valve from the surface using a hydraulic control line
Avoid unplanned gas release
—Gas below the ESP packer can be vented into the annulus above the packer for controlled release
applications
- Gas-lift completions
- Corrosive environments
capabilites
- Slim design
- Upper connection: ¼ in. (6 mm) or ⅜ in. (10 mm) national pipe tapered thread (NPT) box
- Lower connection: ⅜ in. (10 mm), ½ in. (13 mm), 1 in. (25 mm), or 1¼ in. (32 mm) NPT box
features
- Several thread variations accommodate most well completion equipment
- Multiple metallurgy options handle difficult well environments
PARAMETER GUIDE
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½ in. (13 mm) THREAD DOWN |
1 in. (25 mm) THREAD DOWN |
1¼ in. (32 mm) THREAD DOWN |
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General Information |
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Product functionality |
Annular Vent Valve |
Annular vent valve |
Annular vent valve |
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Conveyance method |
Mounted on ESP Packer |
Mounted on ESP packer |
Mounted on ESP packer |
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Materials |
AISI 4140 (80Ksi, 22HRC Max.) |
AISI 4140 (80Ksi, 22HRC Max.) |
9Cr 1Mo (80Ksi, 22HRC Max.) |
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Service |
NACE MR0175 / H2S15156 |
NACE MR0175/H2S15156 |
NACE MR0175/H2S15156 |
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O-ring material |
HNBR / VITON |
HNBR/VITON |
HNBR/VITON |
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Upper connection |
¼ in. (6 mm) NPT Box |
¼ in. (6 mm) NPT Box |
⅜ in. (10 mm) NPT Box |
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Lower connection |
½ in. (13 mm) NPT Box |
1 in. (25 mm) NPT Box |
1¼ in. (32 mm) NPT Box |
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Performance Data |
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Pressure rating, internal |
5,000 psi (352 kg/cm) |
5,000 psi (352 kg/cm) |
7,500 psi (527.43 kg/cm) |
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Minimum internal flow area |
0.196 in.2 (5 mm2) |
0.196 in.2 (5 mm2) |
0.785 in2 (22.23 mm2) |
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Start to open pressure |
2,600 psi (183 kg/cm) +/- 10% |
2,600 psi (183 kg/cm) +/- 10% |
4,800 psi (337.55 kg/cm) +/- 10% |
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Fully opened pressure |
3,000 psi (211 kg/cm) +/- 10% |
3,000 psi (211 kg/cm) +/- 10% |
5,500 psi (386.78 kg/cm) +/- 10% |
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Fully closed pressure |
1,000 psi (70.32 kg/cm) +/- 10% |
1,000 psi (70.32 kg/cm) +/- 10% |
2,900 psi (203.94 kg/cm) +/- 10% |
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Maximum OD |
1.6 in. (41 mm) |
1.6 in. (41 mm) |
1.90 in. (48.26 mm) |
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Approximate overall length |
24 in. (610 mm) |
24 in. (610 mm) |
28.78 in. (731 mm) |
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Temperature rating |
122–257°F (50–125°C) |
122–257°F (50–125°C) |
122-302°F (50-150°C) |
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