ADVANCED H2S SCAVENGER

PRODUCT PORTFOLIO

High-Performance, Cost-Optimized H₂S & Oxygen Scavenger Formulations

BRITOLY® HS SCV SERIES

HIGH-PERFORMANCE HYDROGEN SULPHIDE SCAVENGERS

PRODUCT INTRODUCTION:

The BRITOLY® HS SCV Series represents a breakthrough in hydrogen sulphide scavenging technology, combining proven traditional chemistries with advanced synergistic additives to deliver superior performance at optimized costs. Our formulations are engineered for maximum efficiency across the complete range of oilfield applications, from sweetening sour gas streams to protecting production equipment from H₂S-induced corrosion and safety hazards.

BRITOLY® HS SCV-101

Cost-Effective Triazine-Based Universal Scavenger

• Applications:

  • Gas Stream Sweetening: Treatment of sour gas in flowlines and gathering systems

  • Produced Water Treatment: H₂S removal in water handling facilities

  • Tank Vapour Control: Blanket gas treatment for storage tanks

  • Wellhead Injection: Continuous or batch treatment in sour wells

  • Pipeline Protection: Prevention of H₂S-induced corrosion

• Advantages:

  • Optimal Cost-Performance Ratio: Most economical $/lb H₂S removed

  • Fast Reaction Kinetics: 90% H₂S removal in <30 seconds at 25°C

  • Broad Temperature Range: Effective from 5°C to 120°C

  • Easy Handling: Low viscosity, water-miscible formulation

  • Proven Technology: Based on 30+ years of field validation

  • Compatibility: Works with most production chemicals

BRITOLY® HS SCV-201

Advanced Non-Triazine Organic Scavenger

• Applications:

  • Formaldehyde-Sensitive Operations: Offshore, environmentally regulated areas

  • High-Temperature Wells: Stable up to 150°C

  • Water Injection Systems: Prevents reservoir souring

  • Refinery Applications: Sour water stripper feed treatment

  • Gas Processing Plants: Contact tower applications

• Advantages:

  • Formaldehyde-Free: Meets OSPAR and North Sea regulations

  • Higher Capacity: 2:1 stoichiometry vs 3:1 for triazines

  • Thermal Stability: Maintains efficacy at 150°C+

  • Multi-functional: Provides secondary corrosion protection

  • Environmentally Preferable: Biodegradable components

  • No Scaling Tendency: Reduced risk of calcium carbonate formation

BRITOLY® HS SCV-301

Premium Multi-Functional Scavenger with Scale Inhibition

• Applications:

  • Integrated Treatment Programs: Replace separate scale, corrosion, scavenger injections

  • Subsea Systems: Single umbilical injection for multiple protections

  • High Water-Cut Wells: Comprehensive produced water treatment

  • EOR Injection Water: Protect injectivity while controlling H₂S

  • Mature Fields: Address multiple flow assurance challenges simultaneously

• Advantages:

  • 3-in-1 Treatment: Eliminates need for multiple chemical programs

  • Cost Savings: 30-40% reduction in total chemical costs

  • Simplified Operations: Single injection point, reduced equipment

  • Synergistic Effects: Components enhance each other's performance

  • Extended Squeeze Life: Downhole treatments last longer

  • Reduced OPEX: Lower storage, handling, and injection costs

BRITOLY® HS SCV-401

High-Capacity Solid Scavenger for Gas Streams

Composition (Solid Pellets):

• Physical Properties:

  • Pellet size: 3-5 mm diameter

  • Bulk density: 0.8-1.0 g/cm³

  • Crush strength: >5 kg/pellet

  • Surface area: 50-100 m²/g

• Applications:

  • Bed Reactors: Tower packing for gas sweetening

  • Batch Treatment: Solid beds in filter vessels

  • High-Pressure Systems: Where liquid injection is problematic

  • Remote Locations: Reduced logistics (no liquid handling)

  • Gas Sweetening Units: Backup or polishing beds

• Advantages:

  • No Liquid Handling: Eliminates pumps, tanks, injection systems

  • High Capacity: Up to 0.5 kg H₂S per kg scavenger

  • Predictable Life: Pressure drop indicates exhaustion

  • Low OPEX: Once installed, only replacement cost

  • Safety: No chemical handling hazards

  • Temperature Tolerance: Up to 200°C operation

TECHNICAL SUPPORT & APPLICATIONS GUIDE

SELECTION MATRIX

| Application | Primary Challenge | Recommended Product | Dosage Range | Cost Index |

|-------------|-------------------|---------------------|--------------|------------|

| Sour Gas Sweetening | H₂S in gas phase | HS SCV-101 | 1-5 gal/MMSCF | $ |

| Produced Water H₂S | Dissolved H₂S | HS SCV-201 | 50-200 ppm | $$ |

| Integrated Treatment | Multiple issues | HS SCV-301 | Custom | $$$ |

| Fixed Bed Gas | Continuous sweetening | HS SCV-401 | N/A | $$ |

| Injection Water | Oxygen corrosion | OX SCV-101 | 2-10:1 ratio | $ |

| High Temp Steam | Thermal stability | OX SCV-201 | 0.5-2:1 ratio | $$$ |

| Complete Water Treat | O₂+Scale+Corrosion | OX SCV-301 | 5-20 ppm | $$ |

| Package Plants | Small systems | OX SCV-401 | Cartridge system | $$ |

Cost Index: $ = <$5/lb active, $$ = $5-10/lb, $$$ = >$10/lb

BRITOLY® is a registered trademark of NSM Chemical Solutions.

Formulations are proprietary and protected.

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