financially supported by the National Natural Science Foundation of China(Grant No.52071337);the Research Initiation Funds of Zhejiang University of Science and Technology(Grant No.F701102N06);the High-tech Ship Research Projects Sponsored by MIIT(Grant No.CBG2N21-4-2-5);the National Key Research and Development Program of China(Grant No.2022YFC2806300);the Marine Economy Development(Six Marine Industries)Special Foundation of the Department of Natural Resources of Guangdong Province(Grant No.GDNRC[2023]50).
The deepwater subsea wellhead(SW)system is the foundation for the construction of oil and gas wells and the crucial channel for operation.During riser connection operation,the SW system is subjected to cyclic dynamic ...
the financial support from Science and Technology Projects in Guangzhou(Grant number:No.2023A04J0306);supported by China Geological Survey(Grant number:No.DD20230066);High-Tech Ship Research Project of Ministry of Industry and Information(Grant number:CJ05N20).
Offshore deepwater cementing generally faces more challenges than onshore cementing.Shallow formations in deepwater wells often exhibit low structural strength,high porosity,and are prone to shallow gas influx and hyd...
the support of the Foundation of Natural Science Foundation of Shaanxi Province, Grant/ Award nos. 2023-JC-YB-361;National Natural Science Foundation (Number 52104033)。
In order to ensure the penetrability of double-cased perforation in offshore oil and gas fields and to maximize the capacity of perforation completion, This study establishes a dynamic model of double-cased perforatio...
The Santos Basin in Brazil has witnessed significant oil and gas discoveries in deepwater pre-salt since the 21^(st)century.Currently,the waters in eastern Brazil stand out as a hot area of deepwater exploration and p...
CNPC Major Science and Technology Projects(2023ZZ07-01,2023ZZ07-02,2023ZZ07-05).
The global trends in deepwater oil and gas exploration,characteristics of deepwater oil and gas discovery,and layout of deepwater oil and gas exploration business by seven major international oil companies are systema...
This research is financially supported by the National Natural Science Foundation of China(Grant No.52174015);supported by the Program for Changjiang Scholars and Innovative Research Team in University(IRT_14R58).
Sand production is a critical issue during the development of offshore oil and gas fields.Certain gas fields(e.g.the AB gas field)have high porosity and high permeability,and with water at the bottom of the reservoir,...
This work was supported by the National Natural Science Foundation of China(Nos.U2006226,51979257);the Shandong Provincial Natural Science Foundation,China(Nos.ZR2020ME261,ZR2019MEE032).
The dynamic response of the steel lazy wave riser(SLWR)subjected to the internal solitary wave is a key to assessing its application feasibility.The innovation of this paper is to study the dynamic response properties...
financially supported by the National Natural Science Foundation of China (Grant No.52271299);the Science Foundation of China University of Petroleum,Beijing (Grant No.2462020YXZZ046)。
Evaluation of abandonment and recovery operation of steel lazy-wave riser in deepwater is presented in this paper.The calculation procedure includes two single continuous SLWR and cable segments, which are coupled tog...
supported by the Youth Program of National Natural Science Foundation of China(Grant No.52104012);the Key Program of the National Natural Science Foundation of China(Grant No.51734010);the China Postdoctoral Science Foundation(Grant No.2021M693494);Science Foundation of China University of Petroleum,Beijing(Grant No.2462020XKBH011);the Key Natural Science Projects of Scientific Research Plan in Colleges and Universities of Xinjiang Uygur Autonomous Region(Grant No.XJEDU2021I028)。
During deepwater managed pressure drilling(MPD),the gas kick may occur in abnormally high-pressure formations.If the traditional well control method is adopted,the treatment time is long and the advantage of early gas...
financially supported by the National Natural Science Foundation of China(Grant Nos.52111530137 and 52025112);the Natural Science Found of Jiangsu Province(Grant No.BK20160556);the Jiangsu Provincial Higher Education Natural Science Research Major Project(Grant No.18KJA580003)。
The cross-flow(CF)vortex-induced vibration(VIV)of a deepwater steep wave riser(SWR)subjected to uniform or shear flow loads is investigated numerically.The model is based on a three-dimensional(3D)nonlinear elastic ro...