Beam Pumping Unit

{
  "id": "MLC-T-ENV-002920",
  "term": "Beam Pumping Unit",
  "field": "Environment",
  "definition": "There are four basic types of beam pumping units. Three involve a walking beam, which seesaws to provide the up and down reciprocating motion to power the pump. The fourth reciprocates by winding a cable on and off a rotating drum. The job of all four types is to change the circular motion of an engine to the reciprocating motion of the pump.",
  "references": [
    "DOL Occupational Health and Safety Administration Oil and Gas Well Drilling and Servicing eTool at http://www.osha.gov/SLTC/etools/oilandgas"
  ],
  "url": "https://mlchart.com/terminology/environment/beam-pumping-unit/"
}