Oasis Oil Tools Co., Ltd,
Oasis Oil Tools Co., Ltd
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Premium Stainless Steel Well Casings: Engineered for Reliability & Longevity
Stainless steel well casings serve as the backbone of secure and efficient well systems, providing critical structural reinforcement to prevent collapse, deformation, or fluid contamination. Designed to thrive in corrosive and high-pressure environments, these casings ensure long-term well integrity while optimizing performance across demanding applications such as oil, gas, and geothermal drilling.
Material Excellence
Our casings are crafted from premium-grade stainless steel alloys, including 304, 304L, 316L, and duplex stainless steel, selected for their unmatched corrosion resistance and durability. Whether seamless or ERW (Electric Resistance Welded) types, each casing is precision-engineered to withstand harsh chemical exposure, extreme temperatures, and mechanical stress.
| Size | Diameter | Wall Thickness | Weight(lb/ft) | |||
| in | mm | in | mm | NUE | EUE | |
| 2 3/8" | 2.375 | 60.32 | 0.167 | 4.24 | 4.00 | - |
| 2.375 | 60.32 | 0.190 | 4.83 | 4.60 | 4.70 | |
| 2.375 | 60.32 | 0.254 | 6.45 | 5.80 | 5.95 | |
| 2 7/8“ | 2.875 | 73.02 | 0.217 | 5.51 | 6.40 | 6.50 |
| 2.875 | 73.02 | 0.276 | 7.01 | 7..80 | 7.90 | |
| 3 1/2” | 3.5000 | 88.90 | 0.216 | 4.49 | 7.70 | - |
| 3.5000 | 88.90 | 0.254 | 6.45 | 9.20 | 9.30 | |
| 3.5000 | 88.90 | 0.289 | 7.37 | 10.20 | - | |
| 4“ | 4.000 | 101.60 | 0.226 | 5.74 | 9.50 | - |
| 4.000 | 101.60 | 0.262 | 6.65 | 10.70 | 11.00 | |
| 4.000 | 101.60 | 0.330 | 8.38 | 13.20 | - | |
| 4 1/2” | 4.500 | 114.30 | 0.271 | 6.88 | 12.60 | 12.75 |
| 4.500 | 114.30 | 0.337 | 8.56 | 15.20 | - | |
1. Superior Corrosion Resistance
Stainless steel’s inherent anti-corrosive properties combat rust, pitting, and chemical degradation—safeguarding well efficiency, preventing contamination, and extending service life even in saline, acidic, or high-moisture environments.
2. Uncompromising Strength & Durability
With a high strength-to-weight ratio, our casings endure extreme pressures and mechanical stress without cracking or deformation. This resilience minimizes downtime and ensures reliable performance in deep-drilling or unstable geological conditions.
3. Thermal Stability
Engineered to resist thermal expansion/contraction, these casings maintain structural integrity across fluctuating temperatures, making them ideal for deep wells or geothermal projects where thermal shifts are significant.
4. Streamlined Installation
Lightweight yet robust, our casings simplify installation with reduced labor and equipment requirements. Their dimensional stability allows precise placement, accelerating project timelines while lowering operational costs.
5. Customizable Versatility
Available in a wide range of sizes, thicknesses, and alloy specifications, our casings adapt seamlessly to diverse drilling needs. Custom designs ensure optimal compatibility with your project’s unique depth, pressure, and environmental challenges.
By integrating advanced materials with precision engineering, our stainless steel casings deliver unmatched reliability for critical well infrastructure. Trust us to protect your investment—ensuring smooth operations, regulatory compliance, and decades of trouble-free service.
Explore our catalog to find the perfect casing solution for your next project.
Our company
Oasis Oil Tools Co., Ltd, is a famous manufacturer which integrates the research and development, design, manufacture and sell water well screens/Johnson screens/wedge wire screen/rod base screen/continuous slot screen/non-enforced Johnson screen, oil well screens and sand control well screens, bridge slotted well screens, pipe based well screens/perforated base pipe with screen jacket/pipe base screen/reinforced Johnson type screen, perforated pipe (base pipe), gravel pre-packed well screens, passive water intake screens etc. water, oil and gas well filtering products as well as API/Stainless Steel Casing& Tubing and pipes and industrial parts.
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Mail: oapipe@163.com
Whatsapp:+8613949678537