Travel Joint

China Vigor Drilling Oil Tools And Equipment Co., Ltd. is one of the most professional manufacturers and suppliers of travel joint in China, featured by competitive price and fast delivery. Welcome to buy high quality travel joint in stock here from our factory.

 

Travel Joint, also known as expansion joint or slip joint, is designed for use in both single and multiple string completions and provides alternate methods of compensating for tubing contraction and elongation in producing injection and disposal wells. It is run as an integral part of the tubing string and has a full tubing drift ID that is compatible with other downhole control equipment. After packer's associated equipment is in place, the expansion joint may be activated. Depending on the application, expansion joint may be activated by shear pins or standard wireline tools.

The Travel Joint may be sheared by tension or compression. They also may be sheared during initial completion operations or left in the pinned condition to be sheared at a predetermined value later. The slip joint can be pinned at any point in the stroke. The release varied by the number of shear screws.

 

 

 

Size	O.D	I.D	Max.Shear Value	Stroke
In.	mm	In.	mm	In.	mm	lbs	ft	m
2 7/8	73.0	4.30	109.22	2.37	60.20	40000	5.00	1.52
3 1/2	88.9	1.80	121.92	2.93	74.42

 

① Axial Movement:

Expansion and Contraction: slip joints allow for controlled axial movement, enabling the string to expand or contract in response to temperature changes or pressure fluctuations.

Travel Range: They are designed with a specific travel range, which is the maximum distance they can expand or contract. The variation in this range is contingent upon the specific well conditions and the specific application, Vigor's travel Joints provide 5 ft of movement.

② Sealing Mechanism:

Dynamic Seals: High-quality seals are used to maintain pressure integrity while allowing movement. These seals prevent fluid leakage and ensure reliable performance under varying conditions.

Seal Durability: Seals are typically made from materials resistant to wear, temperature variations, and chemical exposure.

③ Material and Construction:

High-Strength Materials: slip joint is constructed from high-strength materials such as stainless steel or other corrosion-resistant alloys to withstand harsh downhole environments.

Robust Design: The design includes features to handle axial loads, torsional forces, and pressure differentials, ensuring the joint remains functional and reliable.

 

 

① Accommodates Thermal Expansion: By allowing for controlled expansion and contraction, Travel Joints prevent buckling and damage to the tubing or casing string caused by thermal expansion.

② Mitigates Pressure Changes: They help manage changes in length due to pressure variations, reducing the risk of mechanical failure and maintaining well integrity.

③ Enhances Wellbore Flexibility: It provides the flexibility needed to adjust the tubing or casing string length during different phases of well operation, such as drilling, completion, and production.

④ Improves Reliability and Safety: By accommodating movement and reducing stress on the string, It enhances the overall reliability and safety of well operations.

 

 

① Thermal Wells: In geothermal or heavy oil wells where significant temperature changes occur, It is essential for managing thermal expansion.

② High-Pressure Wells: They are used in high-pressure wells to accommodate length changes due to pressure variations, maintaining well integrity.

③ Deepwater Operations: Slip Joint is crucial in deepwater wells where the tubing string can experience significant movement due to the dynamic environment.

④ Completion Systems: In well completion systems, Travel Joints provide the necessary flexibility for setting packers and other downhole equipment accurately.

 

 

Vigor Drilling stands out due to its state-of-the-art manufacturing facilities, robust R&D capabilities, and a track record of over 2,000 successful projects across 50+ countries. The company offers a range of patented high-tech products and maintains strict quality control standards, compliant with ISO 9001 and API specifications. Vigor's commitment to innovation and customer satisfaction has earned recognition from leading global oil and gas companies.

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