Reverse circulation strong magnetic salvage
The reverse circulation strong magnetic fishing tool is a fishing tool that uses the local reverse circulation of drilling fluid near the bottom of the well to adsorb debris in the well. It mainly relies on high-flow, high-pressure reverse washing drilling mud to impact the bottom of the well, making the fallen objects at the bottom of the well suspended and moving, and being adsorbed by the surface of the magnet to achieve fishing.
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A fishing cone is a tool specifically designed for fishing out objects that have fallen into the boreholes of drill pipes, tubing, etc. It boasts a high success rate for retrieving pipe-like objects with couplings. Used in conjunction with regular and reverse-threaded drill pipes and other tools, the fishing cone can be applied to various fishing operations.
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A mother cone is a tool specifically used for fishing operations on the outer wall of tubular objects such as tubing and drill pipes. It can be used to retrieve cylindrical objects without an inner bore or with a blocked inner bore. The mother cone is used in conjunction with positive and reverse-threaded drill pipes and other tools to achieve different fishing operations.
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External hooks are tools used to retrieve various dropped objects such as ropes, lifting rings, hollow short cylinders, and short rope loops from inside the casing or tubing. The external hook is inserted into the rope or other dropped objects, and when the drill string is lifted, the hook teeth catch the dropped object and bring it to the surface.
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Inner hooks are used to fish various types of ropes and other dropped objects from casings or drill pipes, such as steel wire ropes, logging wires, and scraping blades. The inner hook is inserted into the rope or other dropped object, and when the drilling tool is lifted, the hook teeth catch the dropped object and bring it to the surface.
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Annular strong magnetic salvage
The annular strong magnetic fishing tool is a new type of multi-functional strong magnetic tool that can be used as a strong magnetic fishing tool and as a fishing cup. It effectively integrates strong magnets and a fishing cup, with the annular magnet adsorbing ferromagnetic debris in the mud, while other non-magnetic debris such as rock is recovered by the cup body. It is mainly used in low-velocity, low-circulation well-washing operations, with obvious adsorption effects. The tool is available in a standard type (usable at ≤120 ℃) and a high-temperature type (usable at ≤200 ℃).
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