Related Oil & Gas Terms

• Flow line

  The surface pipe through which oil travels from a well to processing equipment or to storage....

• Pig

  1. a flow line clearing device, pumped through the line with normal flow. 2. a scraping tool that is forced through a pipeline or flow line to clean out accumulations of wax, scale, and debris from the walls of the pipe. it travels with the flow of product in the line, cleaning the pipe walls...

• 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 the fish can e freed by an upward blow, the mechanical jar can be very effective. also called a hydraulic jar....

• Reverse circulation

  The course of drilling fluid downward through the annulus and upward through the drill stem, in contrast to normal circulation in which the course is downward through the drill stem and upward through the annulus. seldom used in open hole, but frequently used in workover operations. also referred to as “circulating the short way,” since...

• Flow lines

  The surface pipes through which oil travels from the well to storage....