Heat Transfer Study on Oil-water Isolation Layer of Underwater Oil Storage Tank

2014 ◽  
Vol 11 (5) ◽  
pp. 1699-1706 ◽  
Author(s):  
Di Zhang
Keyword(s):  
Heat Transfer ◽  
Storage Tank ◽  
Isolation Layer ◽  
Oil Storage ◽  
Oil Storage Tank ◽  
Oil Water ◽  
Transfer Study

CFD Modeling of Heat Transfer in Oil Filling and Offloading of SDPSO Storage Tank

2016 ◽  
Author(s):  
Dongxi Liu ◽  
Hong Gu ◽  
Jin Wang ◽  
Wenyong Tang ◽  
Weiwei Liu
Keyword(s):  
Heat Transfer ◽  
Storage Tank ◽  
Cold Water ◽  
Transfer Problem ◽  
Storage System ◽  
Cfd Modeling ◽  
Water Separation ◽  
Oil Storage ◽  
Oil Storage Tank ◽  
Oil Water

A deepwater Spar Drilling Production Storage Offloading (SDPSO) floating system that consists of a classic Spar hull with dry–tree production, oil storage and offloading has been proposed for offshore oil exploitation. One of the key features of the SDPSO is the oil storage system, which includes the mid–section of the classic spar hull for oil storage providing a large storage capacity of more than 500,000 barrels of oil. In the working condition, oil storage tank is fully filled with oil and seawater, the storage and offloading of oil are achieved by seawater displacement and oil–water separation. However, a seawater displacement oil storage system does raise the problems of stability of the oil–water interface, possible sludge contamination of the water and corrosion of the internal surface of the storage tank during oil filling and offloading operations. It is clear that sludge deposit and corrosion effect are closely related to the temperature distribution of crude oil and seawater inside the tank. Therefore, it is necessary to investigate hot–oil/cold–water heat transfer in the SDPSO oil storage tank during both operations and storm conditions. For this purpose, CFD modeling and numerical studies were performed for a simplified oil storage system of the SDPSO platform in an effort to gain better understanding of the heat transfer problem.

scholarly journals Tank Wall Thermal Stress Analysis and Risk Prevention and Control of Crude Oil Storage Tank

2021 ◽  
Vol 39 (2) ◽  
pp. 541-549
Author(s):  
Xuejian Zhao
Keyword(s):  
Heat Transfer ◽  
Thermal Stress ◽  
Crude Oil ◽  
Storage Tank ◽  
Prevention And Control ◽  
Risk Prevention ◽  
Tank Wall ◽  
Oil Storage ◽  
Oil Storage Tank ◽  
And Control

If the crude oil in storage tank is directly heated without considering its temperature distribution, several problems will occur, namely, the thermal expansion of crude oil, and the uneven thickness of the condensate layer, bringing difficulty to the safe management of crude oil storage and transport. However, few scholars have analyzed the temperature field distribution of crude oil storage tank (COST) under heating, or the internal force of COST under static force. Thus, this paper probes into the thermal stress of tank wall, and the risk prevention and control of COST. Firstly, the heat transfer properties of COST were analyzed, an energy balance model was constructed for COST, and several variables were selected to evaluate the heat transfer effect of the tank under different heating modes, including thermal design power, temperature rise rate, and heat energy utilization rate. Next, the cross-section of COST wall was selected for thermal stress analysis. Based on the extremes of circumferential and vertical thermal stresses, the weak parts of COST susceptible to risks like leakage were determined, and several measures and suggestions were presented for reducing the risks of crude oil storage and transport.

Treating crude oil storage tank sludge by catalytic process and recovering valuable hydrocarbons

2021 ◽  
Author(s):  
Kamalesh Gupta ◽  
Arun Kumar Jana ◽  
Mousumi Chakraborty ◽  
Parimal A. Parikh
Keyword(s):  
Crude Oil ◽  
Storage Tank ◽  
Catalytic Process ◽  
Oil Storage ◽  
Oil Storage Tank

Impacts of Different Pile Parameters on Stress and Settlement of Composite Foundation

2011 ◽  
Vol 90-93 ◽  
pp. 387-392
Author(s):  
Ying Cui ◽  
Jun Hai Zhao ◽  
Shan Shan Sun
Keyword(s):  
Storage Tank ◽  
Yield Criterion ◽  
Composite Foundation ◽  
Engineering Practice ◽  
Foundation Design ◽  
Fem Model ◽  
Oil Storage ◽  
Oil Storage Tank ◽  
The Status ◽  
Important Significance

The composite foundation fully takes the carrying capacity of pile and soil into account, which decreases the settlement of oil storage tank foundation and differential settlement of oil storage tank bottom apparently. Analyzing the changes of stress and settlement under different conditions and optimizing the parameters of pile have important significance in engineering practice. In this paper, with an actual project of oil storage tank for background, basing on the Drucker-Prager yield criterion, the FEM model of composite foundation has been carried out by using ANSYS procedure. And with simulating the status of composite foundation under the working load, the project properties of composite foundation are investigated. Further more, analysis on the impacts of different pile parameters on stress and settlement of composite foundation have been carried out. In the end, the optimization scheme of composite foundation design has been proposed.

The Heavy Oil Storage Tank Project

1997 ◽  
Author(s):  
Donald Lucas ◽  
David Littlejohn ◽  
Ernest Orlando ◽  
Rhonda P. Lindsey
Keyword(s):  
Heavy Oil ◽  
Storage Tank ◽  
Oil Storage ◽  
Oil Storage Tank
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