E3S Web Conf.
Volume 198, 20202020 10th Chinese Geosynthetics Conference & International Symposium on Civil Engineering and Geosynthetics (ISCEG 2020)
|Number of page(s)||4|
|Section||Exploration and Innovation of Construction Engineering Technology|
|Published online||26 October 2020|
Underbalanced Drilling Optimum Methodology
1 Engineering Technology Institute of PetroChina Xin Jiang Oil Field Company, 834000, Karamay, Xinjiang, China
2 Petroleum Engineering College, Yangtze University, 430100, Wuhan, Hubei, China
* Corresponding author: firstname.lastname@example.org
A methodology to properly screen all UBD techniques to reduce failure/misapplication and align objectives with expectations had been absent. The paper addresses the latest enhancements to better understand and screen options for UBD operations according to two aspects: formation applicability and engineering applicability. The screening tool considers a range of economic and technical parameter to provide a relative ranking for each candidate of the Underbalanced drilling (UBD) technique. As a case, the methodology was available to optimize the UBD techniques in a risky exploration well in Xinjiang oilfield, which provided guidance and technical support to screen the UBD candidate, design the drilling modeconversion, and establish the emergency schedule.
© The Authors, published by EDP Sciences 2020
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