With an aluminate-based formulation, resist sulfate corrosion in harsh underground environments* compared to non-sulfate-resistant cements.
With rapid hardening capability, achieve full compressive strength in as little as 3 hours*—~50% faster than standard oil well cements.
Designed for oil well applications, ensure structural integrity under high-pressure drilling conditions* where conventional cements may fail.
Durable polypropylene/nylon bags withstand rigorous long-distance shipping and storage*, reducing material loss compared to paper-based alternatives.
Complies with API RP 10B-5 specifications, ensuring reliability for critical well cementing operations*.
OIL WELL CEMENT CLASS G, MSR and HSR TYPE is a specialized cement designed for industrial applications requiring sulfate resistance, rapid hardening, and durability. Packaged in durable polypropylene bags, this cement is ideal for oil well construction, ensuring structural integrity in harsh environments.
Feature | Specification | Benefit |
---|---|---|
Material | Aluminate-based formulation | Enhanced chemical resistance and strength |
Hardening Feature | Rapid hardening (MSR/HSR types) | Accelerated curing for time-sensitive projects |
Sulfate Resistance | MSR (Moderate) / HSR (High) | Protects against sulfate-induced corrosion |
Expansion | Controlled expansive properties | Compensates for shrinkage in concrete structures |
Packing Type | 50kg polypropylene bags (stackable) | Optimized for bulk storage and transport |
Application | Oil well construction, industrial infrastructure | Meets demanding environmental conditions |
Adjustable material composition and thickness to meet specific chemical resistance or expansion requirements. Customizable bag printing, labeling, and tamper-evident seals for branding and safety compliance.
With sulfate-resistant aluminate material, you can ensure durability in harsh environments. The rapid hardening feature enables faster project completion, while controlled expansion prevents structural cracks.
Parameter | Base Model (MSR) | Advanced Model (HSR) | Pro Model (Ultra HSR) |
---|---|---|---|
Sulfate Resistance | Moderate | High (+40% vs. Base) | Ultra High (+80%)* |
Hardening Speed | 8 hours | 6 hours (+33%) | 4 hours (+50%) |
Expansion Capacity | 0.1% | 0.15% (+50%) | 0.2% (+100%) |
Technical Breakthroughs:
Version Selection Guide:
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Industry Standard Oil Well Cement (Class G) | General oil drilling operations | Compressive strength: 5000 psi (ASTM C109) | Cost-effective baseline for standard well cementing | Limited in high-sulfate or rapid-setting scenarios |
Our Base Oil Well Cement Class G | Routine drilling, standard well cementing | Compressive strength: 5000 psi (ASTM C109) Setting time: 8 hours (ASTM C191) | Matches industry standards at competitive pricing | No sulfate resistance or rapid hardening capabilities |
Our Advanced Oil Well Cement Class G | Enhanced performance in standard wells | Compressive strength: 6000 psi (▲1000 psi) Setting time: 6 hours (▲2h faster) | 20% stronger than Base; faster curing for time-sensitive projects | Higher cost than Base tier |
Industry Standard Sulfate-Resistant Cement | Moderate sulfate exposure environments | Sulfate resistance: Withstands 5% Na₂SO₄ (ASTM C1012) | Basic protection against sulfate corrosion | Ineffective in extreme sulfate conditions |
Our Base Sulfate Resistant Cement (MSR) | Wells with moderate sulfate exposure | Sulfate resistance: Withstands 10% Na₂SO₄ (▲5% higher) Expansion control: <0.15% (ASTM C457) | Superior to industry standard in sulfate resistance | Less durable than Advanced tier in harsh conditions |
Our Advanced Sulfate Resistant Cement (MSR) | Harsh sulfate-rich environments | Sulfate resistance: Withstands 15% Na₂SO₄ (▲5% higher than Base) Expansion control: <0.10% (▲0.05% better) | Industry-leading protection against sulfate attack | Highest cost due to premium formulation |
Industry Standard Rapid-Setting Cement | Expedited drilling operations | Sets in 4 hours (ASTM C191) | Faster than traditional cements | Lower final strength (3500 psi) |
Our Base High-Strength Rapid-Setting (HSR) | Time-critical well integrity needs | Sets in 2 hours (▲2h faster) Compressive strength: 7000 psi (ASTM C109) | Twice as fast as industry standard with robust strength | Requires precise mixing to avoid premature setting |
Our Advanced High-Strength Rapid-Setting (HSR) | Critical high-pressure wells | Sets in 1 hour (▲1h faster) Compressive strength: 8000 psi (▲1000 psi) | Industry-fastest setting time with 60% higher strength than Base | Requires specialized application expertise |
⭐⭐⭐⭐⭐ James Wilkins - Offshore Drilling Supervisor
"We’ve been using the Advanced Model (HSR) on our North Sea platform since early 2025, and the performance has been outstanding. The 6-hour hardening time is a game-changer—cut our casing downtime significantly. Even more impressive is how well it’s holding up in high-sulfate brine zones where our previous cement failed within weeks."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Elena Rodriguez - Cementing Operations Lead
"Switched to the Pro Model (Ultra HSR) for a deep-well project in a high-pressure, high-temperature zone. The 0.2% expansion sealed micro-annuli perfectly, and the 80% higher sulfate resistance compared to standard Class G gave us peace of mind. No signs of degradation after 7 months—this cement is built for extreme conditions."Purchase Date: June 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ David Chen - Infrastructure Project Manager
"Used the Base Model (MSR) for a pipeline anchoring project near a coastal refinery. Needed something with decent sulfate resistance but didn’t require ultra-fast setting. It performed well—good gap-filling due to expansion, and the polypropylene bags held up during monsoon-season storage. Only reason it’s not 5 stars is that mixing requires tighter water control than conventional cement."Purchase Date: October 2024 | Usage Period: 3 months
⭐⭐⭐⭐⭐ Amir Hassan - Well Integrity Consultant
"After reviewing dozens of cementing jobs, I can confidently say this aluminate-based Class G outperforms traditional Portland blends in HPHT environments. We used the Advanced HSR model in a sour gas well with aggressive sulfate content—zero micro-annular leaks detected post-cure. The API RP 10B-5 compliance was a key factor in our selection, and it delivered."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐☆ Linda Park - Industrial Plant Maintenance
"Purchased the MSR variant for grouting around foundation casings exposed to sulfate-rich groundwater. After 4 months, no cracking or spalling—unlike the standard cement we used last year. The custom-branded bags also helped with internal safety tracking. Slight learning curve on application, but technical support was responsive."Purchase Date: November 2024 | Usage Period: 4 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Dr. Rajiv Mehta - Oil Well Cementing Expert (PhD, 15+ years field experience)
"This aluminate-based Class G cement series represents a significant advancement in well integrity solutions. The controlled expansion and rapid hardening, especially in the HSR and Ultra HSR models, address two of the most common failure modes in offshore and HPHT wells. I recommend the Advanced HSR model for any operation where time and chemical resistance are critical."
Dr. Fiona Zhang - Construction Materials Consultant
"From a materials science perspective, the aluminate formulation offers superior durability in sulfate-laden environments compared to standard Portland cements. The 0.2% expansion capacity in the Pro model effectively counteracts shrinkage stress—making it ideal for long-term sealing applications. The polypropylene/nylon packaging also ensures material integrity from factory to field, which is often overlooked but crucial."
Posted: 2 days ago
"Used Ultra HSR in a deepwater well with 12% sulfate concentration. Set perfectly in 4 hours. No rework needed—huge time and cost savings. Will standardize across our fleet."
Posted: 1 week ago
"Lab tests confirmed compressive strength of 8,100 psi and full compliance with API RP 10B-5. The tamper-evident seals on the bags ensured batch traceability. Top-tier product for critical operations."
Posted: 3 weeks ago
"MSR model worked well for a tight schedule onshore job. Appreciate the clear labeling and color-coding options—helps avoid mix-ups on site. Just need better humidity control during mixing."
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