Method for controlling the velocity of a pipeline pig
A method for controlling the velocity of a pipeline pig, the method including, introducing a pressurized gas into a section of pipeline to be treated and maintaining the velocity of a smart pipeline pig at a predetermined velocity by regulating the pressurized gas to a predetermined volume. A method for controlling the velocity of a pipeline pig, the method including fluidically connecting a first skid to a first end of a section of pipeline to be treated, fluidically connecting a second skid to a second end of the section of pipeline to be treated, introducing a pressurized gas into the section of pipeline to be treated via the first skid, launching a smart pipeline pig into the section of pipeline to be treated, and maintaining the velocity of the smart pipeline pig at a predetermined velocity by regulating the pressurized gas to a predetermined volume.
1. A method for controlling the velocity of a pipeline pig,
the method comprising, maintaining the velocity of a smart pipeline pig at a predetermined velocity by regulating a pressurized gas to a predetermined volume, further comprising:
fluidically connecting a first skid to a first end of a section of pipeline to be treated, and
fluidically connecting a second skid to a second end of the section of pipe to be treated,
the first skid comprising a first temperature sensor, a first pressure sensor, a first differential pressure sensor, a first flow control valve, and a first flow computer, and the second skid comprising a second temperature sensor, a second pressure sensor, a second differential pressure sensor, a second flow control valve, and a second flow computer.
2. The method of claim 1 , wherein predetermined volume flowrate is calculated by the first flow computer by utilizing data provided by the first temperature sensor, the first pressure sensor, and the first differential pressure sensor.
3. The method of claim 1 , wherein the velocity of the smart pipeline pig is monitored by the first flow computer and adjusted by the first control valve.
4. The method of claim 1 , wherein if an excursion pressure at the first pressure sensor exceeds a predetermined excursion pressure, the first flow computer will override the first flow control valve and maintain the excursion pressure.
5. The method of claim 4 , wherein if a pressure at the second pressure sensor remains constant while the excursion pressure is maintained, a signal is generated to indicate that the smart pipeline pig is stuck and not moving.
6. The method of claim 1 , wherein the pressurized gas is compressed nitrogen.
7. The method of claim 1 , wherein the pressurized gas is compressed air.
8. A method for controlling the velocity of a pipeline pig, the method comprising, introducing a pressurized gas into a section of pipeline to be treated and maintaining the velocity of a smart pipeline pig at a predetermined velocity by regulating the pressurized gas to a predetermined volume,
wherein the first skid comprises a first temperature sensor, a first pressure sensor, a first differential pressure sensor, a first flow control valve, and a first flow computer, and the second skid comprises a second temperature sensor, a second pressure sensor, a second differential pressure sensor, a second flow control valve, and a second flow computer.
9. The method of claim 8 , wherein predetermined volume flowrate is calculated by the first flow computer by utilizing data provided by the first temperature sensor, the first pressure sensor, and the first differential pressure sensor.
10. The method of claim 8 , wherein the velocity of the smart pipeline pig is monitored by the first flow computer and adjusted by the first control valve.
11. The method of claim 8 , wherein if an excursion pressure at the first pressure sensor exceeds a predetermined excursion pressure, the first flow computer will override the first flow control valve and maintain the excursion pressure.
12. The method of claim 11 , wherein if a pressure at the second pressure sensor remains constant while the excursion pressure is maintained, a signal is generated to indicate that the smart pipeline pig is stuck and not moving.
13. The method of claim 8 , wherein the pressurized gas is compressed nitrogen.
14. The method of claim 8 , wherein the pressurized gas is compressed air.
15. A method for controlling the velocity of a pipeline pig, the method comprising:
fluidically connecting a first skid to a first end of a section of pipeline to be treated,
fluidically connecting a second skid to a second end of the section of pipeline to be treated,
introducing a pressurized gas into the section of pipeline to be treated via the first skid,
launching a smart pipeline pig into the section of pipeline to be treated, and
maintaining the velocity of the smart pipeline pig at a predetermined velocity by regulating the pressurized gas to a predetermined volume,
wherein the first skid comprises a first temperature sensor, a first pressure sensor, a first differential pressure sensor, a first flow control valve, and a first flow computer, and the second skid comprises a second temperature sensor, a second pressure sensor, a second differential pressure sensor, a second flow control valve, and a second flow computer.
16. The method of claim 15 , wherein the pressurized gas is compressed nitrogen.
17. The method of claim 15 , wherein the pressurized gas is compressed air.