Our Products
From custom wellhead systems to frac equipment and refurbished assets, WSI supplies the products oil and gas operators depend on.
Custom Wellhead Systems
MAS Wellhead Series
11"- 5K/10K and 13"- 5K/10K
WSI’s Multi-Application System (MAS) is a unitized wellhead series built to reduce complexity, optimize drill time, and perform across a range of surface configurations. Available in 11″ and 13″ housings at 5K and 10K pressure ratings, and configurable to your specific well requirements.
BOP QC with Standard API Hub
Compatible with standard BOP stacks via API hub — no custom adapter required.
Inward Biased Locking Mechanism
Reduces system complexity and provides reliable, repeatable casing lockdown.
Common Parts Across Systems
Shared components across all MAS configurations simplify field inventory and maintenance.
Offline Cement Capability
Surface through production offline cementing available across all three MAS configurations.
Rotating Hanger Capability
Available on MAS-1, MAS-2, and MAS-3 production casing configurations.
Drilling Tools Available
Drilling tools available for rental or purchase across all MAS systems.
Available Configurations
WSI's MAS Wellhead Series is configured to your well — not the other way around. Whether you're drilling a standard single-string well or a complex multi-string application, our team will spec the right system for your surface conditions, pressure requirements, and casing program.
Request a Quote
or talk through your well requirements with our team.
| Model | Size / Rating | Surface Casing Options | Production Casing Options | Accessories |
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| MAS-1 | 11" – 5K |
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| MAS-2 | 11" – 10K |
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| MAS-3 | 13" – 5K & 13" – 10K |
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Wellhead Components
Parts That Perform
ALL New Equipment and parts meet API standards
WSI supplies new and refurbished wellhead components and assemblies for maintenance, repair, and new installations across all major basins. Need something specific? Reach out to our team and we'll source it.
Wellhead Systems
- Custom Unitized Wellhead Systems
- Conventional Wellheads (Flanged)
- Independent Wellheads (Threaded)
- ESP Wellheads
- Standard Tubing Head Assembly
- Production Trees and Production Tree Assemblies
- Casing Heads and Tubing Heads — 2,000 to 10,000 psi
Hangers and Seals
- Tubing Hangers — Most Profiles
- SB-3 Casing Hanger
- SB-5 Casing Hanger
- SB-6 Casing Hanger
- IC-1 Casing Hanger
- IC-1-P Casing Hanger
- IC-2 Casing Hanger
- Manual and Automatic Annulus Seal Options
Misc. Components
- Spools — Various Sizes
- Drilling Spool Adapters
- B-1 Tubing Head Adapters
- B2P Tubing Head Adapters
- Ring Gaskets — All Sizes
- Seal Subs
Precision Valves
Reliable Flow Control
for applications rated from 2,000 to 10,000 psi
WSI supplies new and remanufactured gate, ball, check, and hydraulic control valves for wellhead and surface applications, along with maintenance and greasing programs to extend valve life and keep your equipment operating when it matters.
Gate Valves
New and remanufactured
Primary wellhead and flowline shut-off valve. Available in manual and hydraulic actuated configurations.
2,000 – 10,000 psi
Working pressure
Ball Valves
New and remanufactured
Quarter-turn operation for reliable flow control on wellhead and surface line applications.
2,000 – 10,000 psi
Working pressure
Check Valves
New and remanufactured
Prevents backflow in wellhead and surface line applications.
2,000 – 10,000 psi
Working pressure
Hydraulic Control Valves
New and remanufactured
Remotely actuated valves for surface control applications.
2,000 – 10,000 psi
Working pressure
Frac Equipment
Built For The Pressure
Frac Assemblies. BO-2 Couplers. Blow-back and Dry Watch.
WSI supplies frac equipment for completions and stimulation operations. Available for rent or purchase, all new equipment meets API standards with quality plans in place for inspecting, testing, and repairing equipment.
API Compliant
All new equipment meets API standards with quality plans in place for inspecting, testing, and repairing.
Rent or Purchase
Competitively priced rental inventory ready to mobilize for completions and stimulation operations.
Frac Assemblies
Available for Rent or PurchaseBO-2 Couplers
Available for Rent or PurchaseFrac Blow-back and Dry Watch
Available for Rent or PurchaseRefurbished Equipment
Field-Ready Inventory
All refurbished equipment is repaired to OEM standards.
WSI's in-house facility handles full teardown, machining, welding, and testing for valves, BOPs, and wellhead components — keeping your critical equipment out of the scrap pile and back in service. Testing services provided for assured quality.
Inspect
Full teardown and assessment
Repair
Machining, welding, assembly
Test
OEM standards verified
Deliver
Field-ready and documented
Valve Repair Shop
- Gate, ball, check, and hydraulic control valves
- Valve teardown and assembly
- Greasing
- Testing
- Machining
- Paint and prep
BOP Repair Shop
- Inspection
- Teardown and assembly
- Welding and machining
- Stress relief
- Testing and drifting
Machine Shop
- Seal sub preps
- Capillary strings
- Blow-out Preventers (BOPs)
- Tubing and casing heads
- Other miscellaneous machining services
Welding Shop
- Blow-out Preventers (BOPs)
- Tubing and casing heads
- Fabrication