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Publications (21)
Due to the importance of using renewable sources instead of fossil fuels to preserve the environment, the underground storage of hydrogen gas (H2) derived from these sources has become essential as a backup for energy supply during periods of demand. The recovery factor (RF) and the purity of the hydrogen stored underground are key determinants in...
Underground hydrogen storage (UHS) addresses the volume issue in hydrogen storage but the storage sites are prone to leakage. Currently, modeling-based approaches that utilize the reservoir’s history for leakage detection are critically lacking for UHS. These methods offer a cheap and reliable approach to complement monitoring efforts of a UHS proc...
In the face of the escalating global energy demand, the challenge lies in enhancing the extraction of oil from low-pressure underground reservoirs. The conventional artificial gas lift method is constrained by the limited availability of high-pressure gas for injection, which is essential for reducing hydrostatic bottom hole pressure and facilitati...
Research topic:
Gas lift is an efficient artificial lift strategy, routinely used to overcome the low productivity of the wells. In this research, the possibility of using two gases, carbon dioxide and nitrogen instead of natural gas, in the gas lifting process is investigated and compared. To maximize oil production, the optimization of the alloca...
Gas injection is a well-known method for enhancing oil recovery (EOR). The utilization of greenhouse gases, such as carbon dioxide (CO2) or flue gas, offers the dual advantage of reducing greenhouse gas emissions while potentially enhancing the sweep efficiency in oil recovery. Nevertheless, one of the notable challenges encountered when using thes...
Research topic: One of the new methods in the processes of increasing oil recovery from hydrocarbon reservoirs is the method of using ultrasonic waves. In this research, using ultrasonic waves and their application in a large-scale sample tank, its effect on increasing oil extraction by the numerical method is investigated.
Research Method: In this...
Thermal enhanced oil recovery (EOR) methods are the main techniques used to produce oil from heavy oil reservoirs. But this methods are associated with environmental challenges and do not reduce viscosity permanently. One of the new methods with less environmental challenges that can permanently improve oil quality and enhanced oil recovery is the...
Due to the significance of gas storage in recent years, the importance of its most crucial operational and economic aspect, the cushion gas, has come under great scrutiny. The cushion gas is injected into the reservoir to raise the pressure to a specific range, ensuring optimum rate and sufficient deliverability during the production phase. 20 to 7...
Underground storage of natural gas is mainly accomplished by three methods: storage in depleted oil and gas reservoirs, storage in aquifers, and storage in salt domes. Among these methods, underground storage (UGS) in aquifers is of much paramount due to more accessibility to metropolises and consumption markets, proper conditions, and ability to k...
Due to the increasing energy consumption and the need for new resources and moreover, the reduction of light oil resources, nowadays production of heavy oil reservoirs, have been considered. Production from these reservoirs is associated with many issues due to high viscosity and requires the use of thermal methods to enhanced oil recovery (EOR). B...
Base gas replacement by a cheap gas is one of the approved methods to reduce the cost of investment in underground gas storage process. Maximizing the amount of replaceable base gas is an attractive issue. However, the amount of base gas replacement can be reduced due to some limiting factors. By changing the composition of the candidate base gas,...
The increased speed and accuracy in solving optimization problems of gas allocation in the gas lift process are of high importance. Solving gas allocation optimization problems generally involves two steps: (1) The gas lift performance curve (GLPC) fitting (gas lift modeling) and (2) optimizing the allocation of gas between wells. Therefore, in ord...
Base gas is considered as an important factor in the storage operation as it remains permanently in the reservoir and maintains the reservoir pressure along the production cycle. Depending on the reservoir under consideration, base gas may occupy as little as 15% or as much as 75% of the total underground gas storage (UGS) reservoirs. Providing and...
One way to reduce the costs of investment in underground natural gas storage processes is to replace a portion of the base gas with a cheap gas. Optimizing the replacement amount of the base gas is one of the most attractive issues as mixing between the replaced base gas and the working gas and exceeding the injection pressure above the formation f...
Ideally, if there is no limitation in the available resources of gas in the gas lift operation, the adequate amount of gas can be injected into the reservoir to have the highest production rate. However, the amount of available gas and the capacity of the compressors are limited and it is required to optimize the gas injection into each well to hav...
In the operational plan of underground gas storage (UGS) the main issue is the basic gas as it makes up the largest part of the investment cost. The main reason of using base gas is it’s compressibility. Since all gases have compressibility capability so to reduce the investment cost some part of base gas can be replaced by a cheaper gas such as in...
