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A slickline tool used to place or remove sand or similar small grains from a wellbore.
An usually large movement or intrusion of salt that gradually flows through the rock. Can create reservoir traps and can create casing collapse problems.
Rock salt or granulated salt sized to construct a filter cake to control fluid loss.
The planned inclination of the tangent section of a directional well. In a horizontal well if would be 90 deg ( /- 10 deg), in a build and hold or S well it would be the tangent section, in a slant well it would be the inclination throughout.
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The line from the derrickman's platform to the ground, used in an emergency. Also called a Geronimo line.
A section in a downhole tool string than can be actuated by ball or pressure to allow recovery of the pipe string if the tool is stuck.
A joint above a piece of equipment that is designed to fail and allow recovery of the upper string.
Also any clamp for securing pipe above the rotary table, even when the slips are set.