Study on Commissioning Techniques for Oil
Transportation Pipeline with Large Elevation
Difference and Continuous U Shape
Wang Li 1(B) , Liang Feng 1 , Qiqi Chen 1 , Xiaohua Chen 1 , and Wenlong Jia 2
1 PipeChina Southwest Pipeline Company, Chengdu, China
286964103@qq.com
2 Southwest Petroleum University, Chengdu, China
1 Preface
China-Myanmar Crude Oil Pipeline and Yunnan Product Oil Pipeline encounter large
elevation difference along the route. Within 50 km range, there are four locations that
elevation difference is larger than 1000 m, making a few U shapes. Being categorized as
continuous U shape large elevation difference pipeline, partial water filling and onwards
oil displacement scheme was selected for commissioning. The complexity of the commissioning process is heavily increased by implicit hydraulic characteristics, partially
filled flow and air block caused by large elevation difference. Therefore, this study has
analyzed the venting location selection, partial water filling quantity, hydraulic characteristics during displacement and disposition of emulsified diesel. Solutions are presented
for the challenges that might be experienced during the commissioning of continuous
U shape large elevation difference pipeline, which might be a good reference for future
design, commissioning and operation of similar pipelines (Fig. 1).
Fig. 1. Elevation chart of China-Myanmar crude oil pipeline
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2021
S. N. Atluri and I. Vušanovi´ c (Eds.): ICCES 2020, MMS 97, pp. 182–190, 2021.
https://doi.org/10.1007/978-3-030-64690-5_17