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2. Pipe tool - Wikipedia

   en.wikipedia.org/wiki/Pipe_tool

   A pipe tool is a small gadget designed to aid in packing, smoking, and emptying a tobacco pipe. There are three principal pipe tools: the tamper, the reamer, and the pick: [1] The tamper is a blunt instrument, either a simple dowel or shaped like the head of a nail. The flat end is used to tamp down the tobacco while packing the pipe, and to ...

3. Reamer - Wikipedia

   en.wikipedia.org/wiki/Reamer

   A reamer is a type of rotary cutting tool used in metalworking. Precision reamers are designed to enlarge the size of a previously formed hole by a small amount but with a high degree of accuracy to leave smooth sides. There are also non-precision reamers which are used for more basic enlargement of holes or for removing burrs.

4. Underreamer - Wikipedia

   en.wikipedia.org/wiki/Underreamer

   Reaming itself can be conducted either in an existing borehole ("pilot reaming") or during the drilling operation ("reaming while drilling"). Underreaming is primarily used to allow a wider clearance for running and cementing the casing correctly, either due to restrictions (swelling shales, tortuosity) or to be able to run a larger casing size.

5. Bottom hole assembly - Wikipedia

   en.wikipedia.org/wiki/Bottom_hole_assembly

   Rotary assemblies [2] are commonly used where formations are predictable and the rig economics are an issue. In such an assembly the weight of the drill collars gives the BHA the tendency to sag or flex to the low side of the hole, collar stiffness length and stabiliser diameter and placement are engineered as a means of controlling the flex of the BHA.

6. Pipecutter - Wikipedia

   en.wikipedia.org/wiki/Pipecutter

   Pipecutter Cutting copper pipe with a close quarters tubing cutter. A pipecutter is a type of tool used to cut pipe. Depending on the metal of the pipe, a pipecutter can often provide a faster, cleaner and more convenient way of cutting pipe than using a hacksaw. There are two types of pipe cutters.

7. Ream - Wikipedia

   en.wikipedia.org/wiki/Ream

   Ream may refer to: Paper ream, a unit of quantity for paper; Ream (surname) Reamer, tool used to widen a hole; Ream, West Virginia; Ream, the name of Rama in the Khmer version of the Ramayana, the Reamker; Ream National Park, a national park in Cambodia; Ream Naval Base, Sihanoukville, Cambodia