Publications

Foxtrot complex area is located in the eastern offshore working area PHE ONWJ which contributes 3000 BOPD of oil and 3 MMSCFD of gas. Based on Foxtrot current production forecast, oil productions have gradually decreased. Reducing oil flowrate in the existing size of the pipelines have led to operate the pipelines at gravity-dominated area instead of friction-dominated area. This phenomenon has caused significant change in pipeline regime in term of flow assurance. The pipelines have experienced slugging issues which limit the oil production so that it has not achieved the optimum value. The objective of this research is to give recommendations to solve the problem caused by slugging issues in the pipeline so that the production can increase at Foxtrot area. The methodology is using OLGA Flow Simulation Software which utilizes the actual field data recording and latest laboratory test from Foxtrot fluid sampling. Simulation result and analysis have concluded that the slugging issues occur in Foxtrot area which onsists of multiple pipelines network are possible to be eliminated by injecting gas hence the pipelines will be operated at optimum value above the gravity-dominated area. This modification will be able to decrease the backpressure to all wellhead platforms within the Foxtrot network area and to increase oil production as intended. Total production gain in this area is expected up to 634 BOPD.