MLchartDataset catalogue

Mechanical jar

Term · Oil and gas · MLC-T-OAG-002316

A downhole tool designed to deliver an impact force to free stuck objects or to activate other tools in the wellbore. It operates by storing and then suddenly releasing energy, either upward or downward, through a spring-loaded mechanism. Mechanical jars are frequently used in fishing operations or to set packers.

Table 1. Record
IdentifierMLC-T-OAG-002316
FieldOil and gas
SubjectWell Workover and Intervention
Record as JSON 
{
  "id": "MLC-T-OAG-002316",
  "term": "Mechanical jar",
  "field": "Oil and gas",
  "definition": "A downhole tool designed to deliver an impact force to free stuck objects or to activate other tools in the wellbore. It operates by storing and then suddenly releasing energy, either upward or downward, through a spring-loaded mechanism. Mechanical jars are frequently used in fishing operations or to set packers.",
  "subject": "Well Workover and Intervention",
  "url": "https://mlchart.com/terminology/oil-and-gas/mechanical-jar/"
}

Record 2,470 of 4,468 in Oil and gas terminology (MLC-0103). Request the full dataset.