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Line 14: − + − [[file:fishing_fig1.png|left|thumb|{{figure number|1}}Differential sticking. © Exploration Logging, 1979.]]+ − + − [[file:fishing_fig2.png|thumb|{{figure number|2}}Key seating. © Short, 1981; courtesy of PennWell Books.]]+
→Reasons for fishing
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==Reasons for fishing==
==Reasons for fishing==
<gallery mode=packed heights=200px widths=200px>
fishing_fig1.png|{{figure number|1}}Differential sticking. © Exploration Logging, 1979.
file:fishing_fig2.png|{{figure number|2}}Key seating. © Short, 1981; courtesy of PennWell Books.
</gallery>
''Fishing'' (in the oilfield sense) refers to the recovery of unwanted material left in the wellbore. Numerous situations can occur that require fishing:
''Fishing'' (in the oilfield sense) refers to the recovery of unwanted material left in the wellbore. Numerous situations can occur that require fishing: