The 6 7/8” to 4 1/2” Tubing Hanger Coupling is a specialized connection used in oil and gas wellhead systems to join a large-diameter casing outlet—6 7/8 inches—with 4 1/2-inch upset production tubing. This configuration is typically applied in high-flow and high-pressure wells where maintaining structural integrity and maximizing production efficiency are critical.

The coupling serves as a transition component within a tubing hanger assembly, allowing the tubing to be securely suspended in the wellhead without the need to rotate the Christmas tree during installation. This is made possible by its union nut design, which permits tightening from the side, simplifying assembly in tight or restricted spaces.

The 4 1/2” end is designed for upset tubing, which features thickened ends to provide stronger threaded connections capable of withstanding axial loads and internal pressure. This enhances the mechanical performance of the joint, reduces the risk of fatigue failure, and helps maintain seal integrity over long service periods. The coupling is also threaded to accept a back pressure valve, an essential feature that provides well control during servicing, installation, or emergency conditions.

To meet a variety of operational needs, the top and bottom threads can be customized according to site or equipment specifications. The coupling is typically manufactured from high-strength, corrosion-resistant materials and in compliance with industry standards such as API 5CT, ensuring it performs reliably under harsh downhole conditions.

Overall, the 6 7/8 x 4 1/2” Tubing Hanger Coupling is chosen for its ability to support larger bore wellhead designs while maintaining compatibility with standard tubing strings. It offers a dependable solution in completions where mechanical strength, pressure containment, and ease of assembly are priorities.

Available sizes: 2 3/8”, 2 7/8”, 3 1/2”, 4”, 4 1/2”, 5”, 5 1/2'” and 7”.

The 2 3/8" Surface-Controlled Subsurface Safety Valve (SCSSSV) is designed to shut in a well in the event of uncontrolled flow caused by equipment failure or damage. Installed in the upper wellbore, it provides emergency closure of the producing conduits to isolate the wellbore if there is a failure or damage to surface production control systems.

This valve uses a self-equalizing, surface-controlled, flapper-type mechanism that closes reliably when hydraulic control pressure is lost. The flapper is made from solid bar stock and has sealing surfaces located outside the flow path when open, which helps reduce erosion and extends the valve’s service life. It is rated for working pressures up to 10,000 psi.

The valve fits 2 3/8" (60.33 mm) tubing and is installed in landing nipples with seal bore options of 1.710" or 1.875". Valve internal diameter options are 0.62" or 0.75", allowing selection based on flow requirements. The wireline retrievable design permits servicing or replacement of major valve components without pulling the entire tubing string, reducing intervention time and operational disruption.

This valve is typically used in wells with smaller tubing sizes that require dependable emergency shut-in capability. Its design balances reliability, durability, and ease of maintenance to provide effective well control in a variety of well conditions.

The 4 1/16” 10M Coiled Tubing Hanger is engineered to provide reliable mechanical support and pressure containment for coiled tubing strings used in demanding oil and gas well intervention operations. Specifically designed to accommodate coiled tubing sizes up to 3 1/2” outer diameter, this hanger is rated for high-pressure applications up to 10,000 psi (10M), making it suitable for wells with challenging downhole conditions and high-pressure requirements.

Constructed with robust materials and precision-engineered to meet API 6B and 6BX standards, the hanger ensures secure connection to wellhead equipment through flanged interfaces, enabling seamless integration into existing well infrastructure. The design incorporates a wireline entry sub that guides wireline tools into the tubing bore and provides a secondary annulus seal. This feature not only facilitates the safe deployment of wireline tools but also restricts any upward movement of the coiled tubing, maintaining tubing position and well control during operations.

This coiled tubing hanger supports a range of intervention tasks, including well cleanouts, stimulations, logging, and workover activities, by securely suspending the tubing and maintaining pressure integrity at the wellhead. The ability to reliably seal the annulus while supporting heavy-duty tool strings helps reduce operational risks, prevents fluid leaks, and minimizes well downtime. Its capacity to handle larger tubing sizes and high pressures makes the 4 1/16” 10M hanger especially valuable in complex wells where robust mechanical support and dependable sealing are critical for safe and efficient well intervention.

In oil and gas well operations, the 2 ½” Tubing End Locator plays a critical role in confirming the exact depth at which production tubing terminates within the wellbore. Accurately identifying the tubing endpoint is essential during various well intervention activities, including maintenance, workovers, and the installation or retrieval of downhole tools and equipment.

During operations such as setting packers, deploying plugs, running logging tools, or performing fishing jobs to recover stuck equipment, precise knowledge of tubing length ensures that tools are positioned correctly. This prevents accidental over-pumping or tool deployment beyond the tubing into the open hole section of the well, where damage to equipment or tool loss can occur.

The 2 ½” Tubing End Locator is designed specifically to fit tubing with an outer diameter of approximately 2 ½ inches. It features a compact maximum outside diameter of around 1.750 inches, allowing it to pass easily within the tubing without causing obstruction. The tool employs a spring-loaded finger mechanism that activates mechanically upon reaching the tubing bottom. This signal does not rely on electronic sensors or depth measurement devices, making the tool highly reliable even in harsh downhole environments where electronics may be compromised by pressure, temperature, or fluid conditions.

Standardized threaded connections on the tool—typically a 15/16 - 10 UN pin on the top and a 1 - 11 1/2 NPT box on the bottom—enable it to be seamlessly integrated into a wide range of intervention toolstrings. These common connection types ensure compatibility with existing downhole equipment and facilitate quick assembly and deployment.

Manufactured from high-strength alloy steel or similar materials, the tubing end locator is built to withstand typical downhole conditions, including high pressure, elevated temperatures, and corrosive fluids commonly found in oil and gas wells. Its purely mechanical design minimizes maintenance requirements and reduces the risk of failure compared to electronic alternatives.

This tool is particularly valuable in wells where tubing length may have changed due to wear, repairs, or previous interventions, offering an essential measure of control and confidence in complex well environments.

Available sizes: 2 3/8”, 2 7/8”, 3 1/2”, 4”, 4 1/2”, 5”, 5 1/2'” and 7”.

The 7-inch Subsurface Controlled Surface Safety Valve (SCSSSV) is a critical safety device designed to automatically shut in a well if uncontrolled flow occurs due to equipment failure or damage. It is installed in the upper part of the well to quickly isolate the producing zone and prevent uncontrolled release of fluids, ensuring well control in emergency situations.

This valve uses a flapper mechanism and is surface-controlled, meaning it can be operated from the surface. It features a self-equalizing design that reduces pressure differences across the valve during opening and closing, which improves reliability and extends valve life. The sealing surfaces are located outside the flow path when the valve is open, reducing wear and protecting key components from erosion.

Because the valve is wireline retrievable, it can be serviced or repaired without pulling the entire tubing string, minimizing downtime and intervention costs. It fits 7-inch tubing and is available with landing nipple seal bores of 5.750", 5.875", or 5.963". It can handle working pressures up to 10,000 psi and offers valve internal diameters of 3.38" and 3.50", allowing operators to balance safety and flow requirements effectively.

Available sizes: 2 3/8”, 2 7/8”, 3 1/2”, 4”, 4 1/2”, 5”, 5 1/2'” and 7”.

The 2 7/8" Surface-Controlled Subsurface Safety Valve (SCSSSV) is designed to shut in a well to prevent uncontrolled flow caused by equipment failure or damage. It is installed in the upper wellbore to provide emergency closure of the production tubing, isolating the wellbore if there is a failure in the surface production control system or downhole equipment.

The valve operates on a fail-safe principle, closing automatically when control pressure is lost. It features a flapper-type mechanism and is surface-controlled through hydraulic pressure. The design is self-equalizing, which helps maintain pressure balance across the valve during shut-in and restart, ensuring consistent performance.

This valve is wireline retrievable, meaning it can be removed or serviced without pulling the entire tubing string, reducing well intervention time. It is compatible with landing nipples having seal bore diameters of 2.125", 2.188", or 2.313", allowing flexibility in well design.

The valve is rated for working pressures up to 5,000 psi and offers internal flow passage options of 0.81" or 1.12". The sealing surfaces are located outside the flow path when the valve is open, minimizing erosion and wear. The flapper is made from solid bar stock to provide mechanical strength and durability.

This configuration is commonly applied in wells where emergency shut-in is necessary and regular maintenance without tubing retrieval is preferred.