API 6A Standard Wellhead Casing Tubing Head in Christmas Tree

Product Introduction

The casing head is a kind of part connecting casings and wellheads. It is used as supporting the weight of technical casing and production casing, sealing the annular space between the casings, and installing BOP stacks. It provides a transition joint for the tubing head, Christmas tree and other wellheads. It can also supply cement, monitor & control well s sinking, and inject balance liquids etc by the two side outlets on the casing head housing.

The casing head is classified into two types, including the bottom drive head and the middle drive head spool. It is a key component connecting the casing pipe and various wellhead devices.

Product Specification

PSL 1 to 3G certified
PR-1 certified
Available in DD-NL, EE-NL, FF-NL and HH-NL trims
Available in nominal flange sizes 11″ to 13-5/8″
Available with or without lockscrews
Optional landing base plate assemble for 20″ to 30″ conductor pipe

Key Advantages of Our Wellhead Casing Head

1. Straight-bore Design
45°shoulder design with high load capacity.
2. Side Outlet Connection Form
Pipeline thread side outlet
Threaded flange side outlet, design with VR plug.
3. Secondary Seal
Design with multi-structure secondary seals at bottom.
Installation can be performed on spot per different structure types, injection or non-injection can achieve seal.
4. Interchangeability of Casing Hanger
Casing hanger design with standard profile
Interchangeability between slip casing hanger and mandrel type casing hanger

5. Connection Forms between Casing Head and Surface Casing
Threaded bottom type
Welded bottom type
Slip bottom type

Technical Information of TR Wellhead Casing Head

Company advantages

1. We can supply various kinds of wellhead equipment, such as tubing head, tubing spool etc.
2. We have rich experience in API 6A,AISI 4130, AISI4140, AISI 4330, AISI4340, AISI 8620, etc.
3. According to customers' requirements, we can choose ESR ingot material so that many mechanical properties can be improved. We can ensure that P/S content is lower than 0.010%, H content lower than 1.8 PPM.
4. We have a series of inspection equipment and test appliances, including chemical analysis, metallographic analysis,
mechanical property test, charge impact test, ultrasonic test, magnetic particle test, etc.
5. We own a series of machining facilities and can finish final machining according to customers' requirements.

Competitive Advantages

1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.