The sliding-block fishing spear is an internal fishing tool that can retrieve dropped objects with inner holes, such as drill pipes, tubing, milling tubes, liners, packers, and water distributors. It can also be used for reverse-pull operations on stuck objects or in conjunction with other tools (such as impactors and reverse-pullers). This tool is simple in structure, easy to operate, and easy to maintain.
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The AZ casing fishing spear is mainly used for fishing casing. It is a fishing tool that pulls or shakes the dropped fish out of the well by gripping the inner diameter of the dropped fish. It features simple operation, high strength, large jaw area, and wide fishing range, and can be used alone.
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Anti-circulation salvage basket
The reverse circulation fishing basket is a fishing tool that uses the drilling fluid flow to locally reverse circulate near the bottom of the well to collect debris into the basket. It is mainly used to retrieve smaller dropped objects, such as drill bit teeth, cutters, broken iron, and hand tools.
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The double basket fishing basket is mainly used to retrieve smaller dropped objects in the well, such as steel balls, tongs, bit teeth, blades, hand tools, and scrap iron. The principle is to use high-volume, high-pressure reverse-washing drilling mud to impact the bottom of the well, causing the dropped objects at the bottom of the well to float and move, pushing the basket claws into the cylinder. When the pump stops, the basket claws return to their original position, preventing the objects inside the cylinder from falling out, thus achieving the purpose of retrieval.
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The downhole fishing cup is an effective downhole tool used to retrieve heavier iron filings or metal debris that cannot be brought out of the wellbore by normal mud circulation during drilling. Due to the larger outer diameter of the cup body, the annular clearance with the wellbore is small, while the diameter of the core shaft at the cup mouth is smaller, and the annular clearance with the wellbore is large.
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The strong magnetic fishing tool is used to salvage small dropped objects in oil and geological drilling operations. It has the advantages of simple structure, convenient operation, reliable performance, small size and light weight. It uses its own permanent magnet to magnetize and lift small dropped objects such as drill bits, cutters, bearings, slips, slip jaws, tongs and other tools that have fallen into the well, effectively salvaging small dropped objects and cleaning the bottom of the well. The strong magnetic fishing tool relies on permanent magnets to adsorb magnetized dropped objects. It is equipped with a protective cover at the bottom to prevent damage to the magnets when not in use. According to different usage habits and needs, it is divided into two structures, A and B.
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