Fishing Tools and Crafts

Fishing tools and crafts

During drilling and completion and workover operations, drill rods, drill collars, casings, tubing strings are stuck or broken, drill bit cones are dropped, logging tools or cables are stuck, cable wire ropes are broken, packers are broken Interruption of normal drilling, workover, and completion operations due to stuck, sand, serious leaks, well collapse, blowout, etc., need to use fishing tools or take special measures to remove leaks, collapse, stuck, spray to resume normal operations. The operation and process of removing leaks, collapses, jams, and sprays is called \"fishing.\"

Practical experience tells us that salvage operations are inevitable.

According to past statistics in China, there may be one for every five wells, and for every five wells repaired, four wells may need to be salvaged. Therefore, it is necessary to prepare common fishing tools and understand the common fishing techniques.

Classification of fishing tools:

Fishing: Retractable fishing barrel, pin tap, three-ball fishing device, etc.

Inward fishing: box tap, retractable fishing spear, casing fishing spear, inverted fishing spear

Removal of small objects: Recycling basket, salvage cup, multi-round salvage device

Grinding tools: grinding shoes, milling shoes

Cutting tools: mechanical hydraulic inner cutters, forging and milling tools

Dressing tool: casing subsidy