A 'yarn over' is also known as a 'yarn over hook'. The abbreviations are: yarn over = yo. yarn over hook = yoh. They both mean exactly the same thing and in this Video Tutorial I show you how to do a yarn over or yarn over hook using two ways; either with your left hand or your right hand.
What is ESP on a car? Quick Answer. The electronic stability program, or ESP, is an alternate name for electronic stability control, which protects the car with an antilock braking system and traction control system. ESP is a safety system in a vehicle that helps to prevent accidents by keeping the car stable when a loss of traction is detected.
ESP is a very versatile artificial lift method and can be found in operating environments all over the world. They can handle a very wide range of flow rates (from 200 to 90,000 barrels (14,000 m3) per day) and lift requirements (from virtually zero to 10,000 ft (3,000 m) of lift).