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Oil drilling equipment and accessories

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Internal Anti-Spray Tool

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Square drill pipe plug valve, also known as square drill pipe cock or drill pipe safety valve, allows drilling fluid to flow freely through the valve without pressure drop. This type of valve is used as a drill pipe safety valve, or installed above the square drill pipe to control blowout prevention, or below the square drill pipe to prevent drilling fluid loss when the square drill pipe is removed.
The oil well plug valve is a key device used to control oil well pressure and prevent wellhead blowouts.
The arrow-type check valve uses an arrow-shaped sealing valve core with a streamlined shape and a small obstruction area. It is usually installed between the drill pipe and the drill bit, preventing drilling fluid from flowing back from the bottom of the well. It also prevents high-pressure oil and gas from spraying out of the drill string, serving as an important blowout preventer inside the drill string.
Submersible check valve can quickly control the wellhead during overflow or blowout, regulate the discharge of wellbore fluids, and promptly pump in kill fluid to restore pressure balance under stable bottom hole pressure conditions. Even in the event of blowout loss of control or fire accidents, it provides effective handling conditions.
The spherical check valve is a key fluid control tool in petroleum drilling and completion operations, mainly used to prevent backflow of drilling fluid or completion fluid, ensure well control safety, and avoid complex downhole situations.
The drill string float valve (flap type) is a key internal blowout prevention device used in drilling operations to prevent well kick and blowout. It is usually installed at the bottom end of the drill string (near the drill bit). Its core function is to maintain fluid pressure balance inside the drill string during drilling. When the drilling fluid circulates normally, the float valve is open to allow fluid flow; when abnormal downhole pressure occurs (such as a well kick), the float valve flap quickly closes to prevent high-pressure fluid from flowing upward.
The drill string float valve (arrow type) is a key internal blowout prevention device used in drilling engineering to prevent well kick and blowout. It is usually installed at the bottom end of the drill string (near the drill bit). Its core function is to maintain fluid pressure balance inside the drill string during drilling. When the drilling fluid circulates normally, the float valve is open to allow fluid flow; when abnormal downhole pressure occurs (such as a well kick), the float valve arrow core quickly closes to prevent high-pressure fluid from flowing upward.
The bypass valve is used in complex formations for jet drilling and opening oil and gas layers. It is connected to the drill string near the drill bit. During the drilling process, when it is necessary to replace the well with viscous mud or heavy mud, as well as for special operations, and when the drill bit water jet is blocked and cannot be cleared, this valve can provide effective assistance in clearing the blockage. It is a new type of downhole tool used during drilling.
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