Wireline (cabling)

In the oil and gas industry, the term wireline usually refers to the use of cable to collect subsurface geophysical and petrochemical data. The subsurface information describes and allows for analysis of subsurface geology, reservoir properties and production characteristics. There are four basic types of wireline: multi-conductor, single conductor, slickline and braided line.

Wireline logs were first developed in 1927 and are used to measure formation properties in a well through electrical lines of wire. Various wireline tools are specially designed instruments lowered into a well bore on the end of the wireline cable. Operation may require additional equipment and methods of controlling pressure.

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