DIC is a Supplier of Crossover & Sub Worldwide. DIC Oil Tools is a Brand by a Dedicated Impex Company. We supply a complete range of pipe protection equipment and other oil and gas equipment with the highest quality standards in the industry. We also provide custom-designed equipment as per customer requirements.
Many types of subs can be used for drilling, but one of the most important is the crossover sub. Now let’s take a look at the importance of this type of sub and discuss some key features.
What is a Crossover Sub?
The Crossover Sub is a short section of tubular steel pipe that connects the wellhead and BOP Stack. There one end fits the diameter of the wellhead while the other end fits the larger diameter of the BOP Stack above it. This stepped design allows the sub to connect the two components despite their different sizes.
Crossover & Sub is used to describe a mechanical component with threaded connections. It’s used to connect components with different sizes or thread types.
The term “crossover” comes from how the sub allows tools to transition – or cross over – between the larger bore of the BOP and the narrower bore of wellhead/casing strings. For example, A drill bit too wide to clear the wellhead can “crossover” through the larger-diameter crossover & sub without getting stuck.
The Crossover Sub has high-pressure flanges on the top and bottom to seal the wellbore. They also contain an internal bore large enough to accommodate casing, drill pipe, and downhole tools that must pass through during drilling. Their thick walls give the sub the strength to handle intense pressures during drilling in offshore deep-water environments.
What is the importance of a Crossover Sub?
Crossover Subs are an essential component of every drilling operation as they provide the flexibility to adapt the drill string to the specific requirements of the well-being drilled. They are also used to repair damaged sections of the drill string and to connect dissimilar parts of the drill string. Crossover Subs play an important role in ensuring the safe and successful completion of drilling operations.
To learn more, or get high-quality Crossover & Subs from DIC Oil Tools, Contact us at: info@dic-oiltools.com.
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