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Suitable for petroleum drilling tripping operations, it prevents mud splashing caused by blockage during the disassembly of drilling tools, contaminating the platform, allowing the drilling mud to be recovered and reused. It features convenience, safety, platform cleanliness, and mud conservation. During tripping in and out of the hole, the drill pipe blowout preventer helps prevent unnecessary loss of costly drilling fluid and maintains a safer, cleaner working environment.

The drill collar lifting sub is an integral component made of alloy structural steel that has been heat-treated and precision machined. The heavy-duty drill collar lifting sub is used together with the drill pipe elevator latch to lift the drill string. The lifting sub is used together with the drill pipe elevator latch to hoist the drill string.

The drill bit box, also known as the drill bit loader, is mainly used for loading and unloading tricone drill bits.

The casing head is one of the core components of the wellhead equipment in drilling, mainly used to secure the wellhead structure and perform multiple functions. As a key hub connecting the downhole casing string with surface equipment, it not only supports the weight of all casing strings except the surface casing but also seals the annular space of the casing to prevent pressure cross-flow, ensuring well control safety. During the drilling phase, the casing head provides the installation base for the blowout preventer, and during the oil production period, it transitions to connect the tubing head and Christmas tree. Additionally, its side outlet function supports cement squeeze, pressure balancing, and emergency fluid injection, significantly enhancing cementing quality and operational flexibility.

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