Hydraulic jar:

Terms Related to Hydraulic jar

• Mechanical jar

  A percussion tool operated mechanically to give an upward thrust to a fish by the sudden release of a tripping device inside the tool. If ...

• Torque converter

  A hydraulic device connected between an engine and a mechanical load such as a compound. Torque converters are characterized by an ability to increase output ...

• Hydraulic workover

  A series of hydraulic rams to restrain and pull tubing under well pressure, temporarily attached to the wellhead for workover.

• Closing-up pump

  An electric or hydraulic pump on an accumulator that pumps hydraulic fluid under high pressure to the blowout preventers so that they may be closed ...

• Setting tool

  A tool used to set drillable or permanent tools, such as packers, retainers, plugs; can be mechanical, electric, or hydraulic.

• Hydraulic centralizer

  A downhole tool centralizer that is engaged by raising hydraulic pressure.

• Hydraulic fracture

  A fracture creased by hydraulic pressure, usually intentional.