Product & Services
Wellheads and Christmas Trees
Precision-engineered assemblies for oil, gas, and marine operations, to support casing strings, seal tubulars, ensuring controlled flow, pressure regulation, and safe well management in critical production environments.
WELLHEADS
Precision-engineered assemblies that anchor casing, seal tubulars, and control pressure at the wellbore.
Low Pressure Wellheads
Robust wellheads designed for shallow, low-pressure reservoirs and marginal field operations.
- Types: Single casing head systems • Dual casing head systems
- Forms: Threaded wellhead bodies • Welded wellhead bodies
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Properties:
- Pressure Rating: Up to 3,000 psi (API 6A standard)
- Material: Carbon steel with corrosion-resistant alloys (CRA) options
- Components: Casing heads • Spools • Valves • Flanges • Adapters
- Temperature Class: –20°C to +121°C (L, P, S classes)
- Connection Size: 2–7 inches
- Features: Compact body • Easy installation • Cost-effective design • Minimal maintenance requirements
- Applications: Onshore shallow wells • Early production facilities • Gas storage wells • Marine marginal fields • Water injection wells
Conventional Wellheads
Standardized wellhead systems to support casing, tubing, and pressure control in exploration and production wells.
- Types: Casing head systems • Tubing head systems • Spool-type wellheads
- Forms: Slip-type hangers • Mandrel-type hangers
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Properties:
- Pressure Rating: 3,000–10,000 psi (API 6A compliant)
- Material: High-strength alloy steel with cladding for sour service (NACE MR0175)
- Temperature Class: –20°C to +121°C (L, P, S classes)
- Components: Casing heads • Tubing heads • Spools • Valves • Flanges • Lockdown devices • Safety valves
- Suspension: Slip-type or mandrel-type casing hangers
- Connection Size: 2–13 inches
- Features: Multiple casing outlets • Secondary sealing mechanisms • Compatibility with standard Christmas Trees • Enhanced safety valves and lockdown systems
- Applications: Onshore and offshore drilling • Oil and gas production wells • Workover and re-entry operations • Marine fixed platforms • Enhanced oil recovery (EOR) projects
Dual Completion Wellhead
Specialized wellhead systems engineered to produce from two reservoirs simultaneously within a single wellbore.
- Types: Parallel dual completion systems • Selective dual completion systems
- Forms: Concentric tubing hanger assemblies • Side-by-side tubing hanger assemblies
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Properties:
- Pressure Rating: 5,000–10,000 psi (API 6A compliant)
- Material: High-strength alloy steel with CRA cladding for sour/HPHT service
- Temperature Class: –46°C to +177°C (U, V, T classes)
- Suspension: Dual tubing hanger arrangements with independent sealing
- Components: Casing heads • Dual tubing heads • Spools • Valves • Flanges • Lockdown devices • Production and injection control modules
- Features: Independent bore access • Separate production and injection control • Compact design for space-constrained platforms • Enhanced operational flexibility
- Applications: Offshore fixed and floating platforms • Deepwater subsea developments • Onshore multi-zone reservoirs • Marine marginal fields • Enhanced oil recovery projects with dual-zone production
CHRISTMAS TREE SYSTEMS
Flow-control assemblies engineered to regulate, monitor, and safely manage production from oil, gas, and marine wells.
Subsea Christmas Trees
Deployed on subsea wells to control production at the seabed, reducing topside equipment and enabling deep water operations.
- Types: Vertical subsea tree • Horizontal subsea tree
- Forms: Duplex stainless steel • Inconel-clad forgings • Modular subsea units with ROV interfaces
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Properties:
- Water Depth Capability: Up to 3,000 m (10,000 ft)
- Pressure Rating: 5,000–15,000 psi
- Service Life: 20–25 years subsea
- Standards: API 17D • ISO 13628 • DNV subsea compliance
- Features: Remote operation via hydraulic/electric control pods • ROV (Remotely Operated Vehicle) interfaces • Integrated flow control valves and sensors • Subsea safety valves (SCSSV integration)
- Applications: Deepwater oilfields • Subsea tiebacks • Floating production systems (FPSO, TLP, semi-subs) • High-flow subsea production wells
Surface Christmas Trees
Installed on onshore and offshore wellheads for controlling flow and maintaining safe operations in conventional production.
- Types: Conventional vertical tree • Horizontal tree
- Forms: Steel alloy (AISI 4130, Inconel cladding) • API/ANSI flanged assemblies • Modular skid-mounted units
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Properties:
- Pressure Rating: 2,000–15,000 psi (API 6A standard)
- Temperature Range: –29 °C to 121 °C (standard service)
- Bore Size: 2 1/16" – 7 1/16"
- Standards: API 6A • ISO 10423 • NACE MR0175 compliance
- Features: Manual and hydraulic actuators • Gate valves for flow isolation • Integrated chokes • Safety and ESD (Emergency Shut Down) systems
- Applications: Onshore oilfields • Offshore platforms • Conventional production wells • Workover and intervention operations
High-Pressure, High-Temperature (HPHT) Christmas Trees
Specialized Christmas trees designed for extreme reservoir conditions with ultra-high pressure and temperature.
- Types: HPHT vertical tree • HPHT horizontal tree
- Forms: Nickel alloy steels • Inconel 725/625 cladding • API 6A PR2-qualified components
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Properties:
- Pressure Rating: 15,000–20,000 psi
- Temperature Rating: Up to 177 °C (350 °F) and above
- Bore Size: 2 1/16" – 7 1/16"
- Standards: API 6A (Annex F for HPHT) • ISO 10423 HPHT compliance
- Features: Enhanced sealing systems • Metal-to-metal seals • High-strength corrosion-resistant alloys • Advanced choke and flow control systems
- Applications: Deep HPHT reservoirs • Ultra-deepwater fields • Harsh environment oil & gas projects • Extended production wells