Overshoots or Overshots are fishing devices that fit over the exterior of the well pipe and then grab onto the well pipe exterior to enable lifting the pipe.In the oil and gas industry junk magnets are run into a well ahead of a diamond drilling tool in order to remove metal junk that can damage the drilling bit. Magnets or junk magnets, are sometimes used to retrieve smaller metal objects that have fallen into a well it's doubtful that a magnet could pull a steel well pipe however.Grappling hooks are sometimes used to try to hook onto tools, or other non-pipe-shaped items that have fallen into a well.Augers are drill-type devices designed to retrieve drill components from a borehole by drilling into a verical (dropped) pipe or by wrapping around it.At WELL PIPE RETRIEVAL TOOLS, our home page for this article series, we explain that there are just a few basic types of pipe or junk grabbers used to pull stuff out of oil or gas or water wells: Well Retrieval Tool Designs & Patentsīelow in this article we describe and illustrate some of the classic patented tools and designs that over the last 100 years have typified inventions used to retrieve pipes or other stuff dropped into a well. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. The poly rope shown in our page top photo can be used to pull the well piping from this drilled well - if the rope remains intact.
#FISH GRABBER SERIES#
This article series describes methods & tools bought or home-made that can be used to fish materials out of a water well if you've dropped the pipe, well pump, or tools down into the well casing. Our focus is on water wells, drilled bore holes, steel or plastic well casing designs but these tools also pertain to the oil and gas drilling industry. This article describes and illustrated tools people have invented for retrieving pipes, pumps, tools, or other stuff dropped into a well. History, patents, sketches of devices for retrieving stuff dropped into a well. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.