Increasing Pipeline Capacity by Using Multiphase Pumps - First Multiphase Pumps in India

December 17th, 2007 was the successful start of the 10 size Multiphase pumps at Cairn Energy´s Ravva Oil Terminal in India. Bornemann supplied two Multiphase Pumps of the type MW10C.

In order to overcome high backpressure of the pipeline which constraints productivity of the well at offshore, the Multiphase pumps were installed at Ravva Oil terminal. The pipeline was connected to the Multiphase pump suction and discharge fed to production separators at a required pressure of 230 psig. Two Multiphase pumps, each handles 50% of the flow, are installed to handle all the complete offshore well fluid. The pump skids consist of all necessary control and safety equipment in order to handle the well fluid with the necessary operational flexibility and supervisory.

The installed Multiphase pumps handle varying fluid regimes, as the pipeline is handling multiphase (oil, gas and water) flow and slug flow (gas).

These pumps are operating in parallel, boosting the Multiphase flow from the Ravva Field with the following operating conditions:

GVF: 95 – 99%
∆ p: 15 bar (218 psi)
Volumes: up to 30.000 BPD Oil
up to 10.000 BPD Water
up to 450.000 sm³/d Gas

Product temperatures between 70 – 90 °C
Speed Range 600 – 1500 rpm
Installed Power 1300 kW (1750 HP) per pump

Increasing pipeline capacity by using multiphase pumps is one of the programm topics of the EMBT-Conference.