Wireline Tools

Definition - What does Wireline Tools mean?

Wireline Tools are special designed tools which are lowered into a borehole to perform any well workover functions. A wireline is the cabling system used by operators to lower down equipment, wireline tools, or measuring devices into a wellbore. The tools are used to perform various wellbore services such as:

  • Evaluating the properties of the rock formation
  • Locating casing collars
  • Examining the formation pressure and pore size of the rocks.
  • Identifying the type of fluid in the reservoir
  • Recovering sample fluid from the reservoir to the surface.

Petropedia explains Wireline Tools

A wireline is helpful in taking down and bringing up any type of instrument in and out of a wellbore. Since oil and gas wells are drilled in locations with very hard conditions, modern wireline tools are manufactured to withstand these extreme conditions. In gas wells, pressure can exceed 30,000 psi and in a geothermal well the temperature can be as high as 500 degrees Fahrenheit. So the material properties of the wireline and wireline tools should be strong enough such that they can withstand these rigorous temperatures and pressure. The following is a list of some of the wireline tools that are used during petroleum extraction or while performing workover functions:

  • Wireline tool string
  • Sand bailer
  • Hydrostatic bailer
  • Blind box
  • Centralizer
  • Gauge ring
  • Go-Devil
  • Impression Block
  • Spang, tubular & knuckle joint type stroke jars
  • Pulling tools
  • Rope socket
  • Running Tools
  • Stem
  • Wireline Grab

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