The 4” Tubing End Locator is designed specifically for use with larger production tubing strings common in wells that require greater flow capacity or enhanced mechanical strength. This size is typically found in wells with higher production rates or more demanding operational requirements, where accurate depth confirmation becomes even more critical.

This model is specifically sized for 4-inch outer diameter tubing, featuring a maximum outside diameter that fits comfortably within the tubing’s internal dimensions. This sizing ensures that the locator can move smoothly without obstruction while maintaining effective contact to detect the tubing end. The core mechanism involves a spring-loaded finger that extends outward upon contacting the tubing bottom. This movement translates into a tactile signal felt at the surface, eliminating the need for complex electronic systems and reducing the risk of failure in harsh downhole environments.

Equipped with standardized threaded connections—commonly a 1-9/16 - 10 UN pin on the top and a 1 - 11 ½ NPT box on the bottom—the tool integrates easily into typical slickline, wireline, or coiled tubing toolstrings. The fully mechanical design enhances reliability, making it well-suited for use in conditions of high pressure, elevated temperatures, and corrosive fluids often found in oil and gas wells.

The 4” Tubing End Locator is especially valuable in wells with larger tubing sizes where accurate depth confirmation is critical to avoid operational errors. By providing a straightforward and dependable method to locate the tubing end, it supports safe and efficient well intervention, helping to reduce downtime and operational risks.

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

The 4-inch Surface-Controlled Subsurface Safety Valve (SCSSV) is designed for installation in wells with 4-inch production tubing and serves as a critical safety device to shut in the well during uncontrolled flow events caused by equipment failure or loss of surface hydraulic control pressure. The valve operates via a hydraulically actuated flapper mechanism that remains open under normal operating pressure but closes automatically if the hydraulic signal is lost. This fail-safe design isolates the wellbore, preventing unintended release of hydrocarbons and protecting both personnel and the environment.

The flapper mechanism is simple and robust, minimizing moving parts in the flow path and reducing potential points of failure. When open, the sealing surfaces are positioned out of the fluid flow path, which helps maintain smooth production flow and reduces wear on sealing components. The valve’s hydraulic actuation allows reliable operation under varying pressure and flow conditions commonly encountered in oil and gas wells.

The valve is wireline retrievable, which means it can be removed, serviced, or replaced using wireline tools without the need to pull the entire tubing string from the well. This capability significantly reduces well intervention time and associated costs while allowing maintenance or upgrades to be performed efficiently.

This SCSSV fits standard landing nipples with a seal bore of 3.313 inches and is rated for working pressures up to 5,000 psi. Its internal valve diameter is 1.75 inches, providing an appropriate balance between flow capacity and structural integrity for wells with moderate to high flow rates. The 4-inch tubing size is common in many oil and gas production wells, making this valve size versatile across different field conditions.

This size is commonly applied in production wells where 4-inch tubing is standard, supporting reliable well control and efficient maintenance. Its hydraulic surface control and simple flapper design contribute to dependable operation under varying well conditions.

The Alligator Grab is a wireline fishing tool used to catch and retrieve loose or broken objects from inside an oil or gas wellbore. It has spring-loaded, serrated jaws that can be adjusted before use to set the right amount of grip for the object being retrieved. When downward force is applied, a pin shears, allowing the jaws to close and hold the object securely.

This tool is needed when small or hard-to-reach objects, often called “fish,” are stuck or floating in the wellbore. Unlike other retrieval tools, the Alligator Grab provides a controlled grip that can be adjusted to the size and type of object, reducing the risk of pushing it further down or damaging the well. It is not meant for heavy jarring once it has gripped an object, so it is used for careful and precise recovery.

The Alligator Grab comes in various sizes, with a maximum outside diameter of 1.25 to 3.50 inches, a fishing neck O.D. of 1.187 to 2.313 inches, and top connections ranging from 15/16-10 UN to 1-9/16-10 UN. It includes fishing necks and pin threads compatible with standard wireline equipment.

What makes this type of Alligator Grab unique is its ability to retrieve objects in tight or restricted wellbore spaces. Its adjustable jaws and compact size allow it to securely grip objects that other tools might not reach, making it especially valuable for precise and reliable recovery operations.

The 4 ½” x 2 3/8” tubing hanger coupling is a specialized downhole component designed to connect two different sizes of upset tubing within a wellhead assembly. Upset tubing refers to tubing that has thicker, reinforced sections at the ends—called “upsets”—which strengthen the threaded connections and help withstand the mechanical stresses and high pressures encountered during well operations. This coupling provides a secure and pressure-tight transition between a larger 4 ½-inch tubing hanger and a smaller 2 3/8-inch production tubing string, enabling effective management of wellbore fluids and maintaining pressure containment.

Engineered to integrate seamlessly with tubing hanger spools, wrap-around tubing hangers (PTHSW), and ‘PTHS’-type tubing spools, this coupling forms part of a modular wellhead completion system. Its union nut design allows installation by screwing the coupling in place without rotating the Christmas tree, simplifying assembly and reducing the risk of damage during installation.

Both the top and bottom ends of the coupling are threaded to customer specifications, offering flexibility for various well configurations and allowing the installation of back pressure valves to maintain well control during operations. Manufactured to API standards and constructed from high-grade materials, the coupling delivers durability and reliable performance in demanding downhole environments characterized by high pressure, temperature, and corrosive fluids.

By facilitating a smooth and strong size transition between different tubing strings, the 4 ½” x 2 3/8” tubing hanger coupling supports well integrity, operational efficiency, and safety throughout oil and gas production.

The 2 9/16” 5M Coiled Tubing Hanger is a tool designed to securely hold coiled tubing in place during well operations where pressure can be high—up to 5,000 psi. It is built to support heavy coiled tubing and the equipment attached to it when performing tasks deep inside the well.

This hanger works with coiled tubing sizes of 1 inch, 1¼ inches, 1½ inches, and 1¾ inches in outside diameter, making it suitable for a range of tubing types used in different well operations. It connects to the wellhead using standard flanged connections.

A special feature of this hanger is its wireline entry sub. This part acts as an extra seal around the tubing to maintain pressure control in the well while allowing wireline tools to pass safely through the tubing. The wireline entry also prevents the tubing from moving upwards during operations, which helps protect the equipment and maintain well safety.

The hanger is powered by electricity, which supports reliable operation in the field. Overall, the 2 9/16” 5M Coiled Tubing Hanger helps keep the tubing stable, maintain well pressure, and allow tool access during important tasks like cleaning the well, stimulating production, or running diagnostic tools.

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.