Description
Product Description
A casing coupling is a short cylindrical pipe with internal threads used to connect two sections of casing pipe in oil and gas wells.
It plays a critical role in maintaining the structural integrity of the casing string, ensuring proper wellbore support and pressure containment.
Our casing couplings are manufactured in strict accordance with API 5CT standards, featuring precise thread machining, high strength materials, and reliable sealing performance.
They are widely used in drilling, well construction, and completion operations in both onshore and offshore environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Casing Coupling |
| Standard | API 5CT |
| Material Grade | J55 / K55 / N80 / L80 / P110 |
| Size Range | 4-1/2″ – 20″ (customizable) |
| Type | STC / LTC / BTC |
| Thread Type | API Thread |
| Length | Standard or Custom |
| Surface Treatment | Phosphated / Black Painted / Anti-corrosion |
| Application | Casing pipe connection |
| Certification | API / ISO 9001 |
| Customization | Available |
Please send us your required specifications, parameters, or technical drawings. Our expert team will help confirm the suitable model and provide a factory quotation within 24 hours.
Email: info@shangshanpetro.com
Contact: Contact Us for a Quote
Product Features
High Strength Connection
Designed to withstand high loads and maintain structural stability of the casing string.
Reliable Sealing Performance
Provides secure sealing under high pressure and harsh downhole conditions.
Precision Thread Machining
High accuracy threads ensure smooth make-up and long service life.
API Standard Compliance
Manufactured according to API 5CT, ensuring compatibility with global oilfield systems.
Corrosion Resistance
Surface treatment improves resistance to corrosion and extends product lifespan.
Applications
- Oil and gas well drilling
- Well casing installation
- Well completion operations
- Onshore and offshore oilfields
Quality Control
- Raw material inspection
- Thread inspection
- Dimensional inspection
- Mechanical testing
- Surface treatment inspection
- Third-party inspection available
Packaging & Delivery
- Anti-rust coating
- Thread protectors
- Wooden cases or steel pallets
- Export standard packaging
- Fast global delivery
FAQ
What is a casing coupling used for?
It is used to connect casing pipes and ensure structural support of the wellbore.
What types of casing couplings are available?
Common types include STC (Short Thread), LTC (Long Thread), and BTC (Buttress Thread).
What standards do your products comply with?
Our casing couplings are manufactured according to API 5CT standards.
Can casing couplings be customized?
Yes, we support customization of size, material grade, and thread type.
What material grades are available?
J55, K55, N80, L80, and P110 are commonly available.
Call to Action
If you are looking for a reliable casing coupling manufacturer, please contact us for product specifications, pricing, and technical support.







