Based upon an analysis of global energy developing trend, a discussion was made on the natural gas developing trend in China with the following pre-estimating results from multiple perspectives. (1) Natural gas will be strongly demanded and in 2050…
In this research, we utilize Southern California (SoCal) natural gas transmission pipelines and underground storage resources for transporting and storing hydrogen gas for a 100% renewable energy penetration. The goal is to determine to what extent…
Some emerging countries, such as Brazil, have large remaining natural gas resources but relatively poor infrastructure to monetize it. When most of the natural gas extraction derives from associated gas, this results in high reinjection rates in…
The effects of operating pressure and ground stress on the seepage parameters (permeability and porosity) of surrounding rock and stability and tightness of salt cavern have been investigated, and a method is proposed for safe operating pressure…
The article presents an assessment of the effective use of directional wells as a way to increase the productivity of underground gas storage. It analyzes the solutions to the problem of gas inflow to a horizontal well based on the use of a flat…
In the Beijing-Tianjin-Hebei region, there is a huge gap in the capacity of natural gas peak regulation. Due to the influence of fault development and complex structure in Jizhong Depression, the evaluation of fault sealing ability is the top…
Some emerging countries, such as Brazil, have large remaining natural gas resources but relatively poor infrastructure to monetize it. When most of the natural gas extraction derives from associated gas, this results in high reinjection rates in…
The phase behavior of reservoir uids is crucial for the smooth operation of an underground gas storage (UGS). In this work, three experiments were conducted to investigate the phase behavior of condensate and crude oil systems within dierent…
Based on the differences in production mode and operation process between gas storage and gas reservoir, we established a phase balance test procedure and a theoretical simulation model of phase balance during multi-cycles of injection and production…
Nigeria is the 2nd biggest natural gas producer in Africa, with much of it exported as LNG, some re-injected while a small fraction serves the domestic market. The volume supplied to the domestic market plays an outsized role in the energy mix and…
To address flow-induced vibration failure problems of leaching tubing in salt cavern underground gas storage, a nonlinear flow-induced vibration model of the leaching tubing in salt cavern gas storage was established using the energy method, element…
The article discusses the results of biomonitoring research at the Underground Gas Storage (UGS). Hydrogen sulphide, as one of the products of microbiological reaction and transformation, as well as a product of chemical reactions in rocks, is a…
By conducting relative permeability experiments of multi-cycle gas-water displacement and imbibition on natural cores, we discuss relative permeability hysteresis effect in underground gas storage during multi-cycle injection and production. A…
To determine the reasonable gas injection and production quantity and to minimize the influence of water invasion on the operation of underground gas storage is one of the key factors to decide whether the water drive gas storage can fully exert its…
Underground gas storage (UGS) is an important facility to overcome the imbalance between natural gas supply and demand. In this paper, an optimization model of injection-withdrawal scheduling for UGS in a depleted gas reservoir is established to find…
Underground gas storage (UGS) is a beneficial economic method of compensating for the imbalance between natural gas supply and demand, which is currently considered an important part of the gas chain. To reduce the capital investment of gas storage,…
It is crucial to ensure the safety and integrity of underground gas storage (UGS) infrastructure for energy reliability in California, and many other places around the world. To address the risk management need in UGS industry, we take advantage of…
Hypothesis: CO2 geo-storage is a technique, where millions of tonnes of CO2 are stored in underground formations every year for permanent immobilization to reduce greenhouse gas emissions. Among promising geo-storage formations, basalt is attracting…
Objective: Digitalization is offering several chances to improve performance and reliability of Underground Gas Storage (UGS) infrastructures, especially in those sites where ageing would require investment improvement for maintenance and monitoring.…
The storage of natural gas in geological structures such as depleted fields, aquifers and salt caverns plays an important role in a gas supply system as it balances the fluctuation of gas demand and price. Hydraulic loss due to fluid flow through gas…
Hydrogen gas as a clean and renewable kind of energy can be considered to supply electricity demand during peak usage times. Actually, excess electricity cannot be stored in great quantities, but it can be converted to hydrogen, which can be stored…
to balance the intermittent of renewable power, large-scale energy storage in underground salt caverns can be utilized. And the construction and safety evaluations for these caverns become necessary. Aimed at the bedded salt rocks for energy storage,…
With the rapid development of the global economy and the adjustment of energy structure, the demand for underground salt cavern gas storage is particularly urgent. The technology of double-well cavity creation with small well spacing is a relatively…
Most underground gas storages (UGSs) are constructed in gas fields, but there are few UGS examples constructed in a gas field with an oil ring and edge/bottom water (OR-EBW-gas field). In areas where suitable gas fields are not available for USG…
To mitigate global warming to temperatures no higher than 2 C or even less than 1.5 C, carbon capture and storage (CCS) is indispensable. This is especially true for China, which relies heavily on coal-fired power plants. In China, CCS could play an…
This study comprehensively evaluated the feasibility of the DU6 gas reservoir for gas storage in terms of storage performance, safety, and effectiveness. First, based on the fine division of small layers in the target area, the existing sedimentary…
Based on the mechanisms of gravity displacement, miscibility, viscosity reduction, and imbibition in natural gas flooding, an integrated reservoir construction technology of oil displacement and underground gas storage (UGS) is proposed. This paper…
The Battelle Memorial Institute, Sandia National Laboratory, and Nova Northstar LLC, jointly carried out two projects, sponsored by the Pipeline and Hazardous Materials Safety Administration, assessing the roles of subsurface safety valves and tubing…
Underground natural gas storage is a cyclical technique that consists in the use of geological structures, such as depleted oil and gas reservoirs, aquifers, and salt domes, to store gas for future consumption as per demand. Although, underground gas…
As the use of hydrogen gas (H2) as a renewable energy carrier experiences a major boost, one of the key challenges for a constant supply is safe and cost-efficient storage of surplus H2 to bridge periods with low energy demand. For this purpose,…
One of the approaches to sustainable energy supply is underground natural gas storage (UGS). In UGS, the gas in the underground storage is made up of two fractions, namely base gas (cushion gas) and working gas. The base gas is injected into the…
Using nitrogen as the blanket for the construction of a gas storage salt cavern by the solution mining under gas (SMUG) method has many advantages, such as improved safety, enhanced environmental protection and better economy. A critical issue for…
Underground natural gas storage reservoir is generally used to stabilize the natural gas supply to meet the high and low peak of gas consumption. In addition, in the case of depleted gas reservoirs, the leftover native gas or cheap inert gas being as…
Nigeria is the 2nd biggest natural gas producer in Africa, with much of it exported as LNG, some re-injected while a small fraction serves the domestic market. The volume supplied to the domestic market plays an outsized role in the energy mix and…
Inventory verification is one of vital tasks in underground gas storage (UGS) management process. For one reason, it is possible to know exactly how much natural gas is actually in the gas storage and ensure that it can be produced and supplied to…
One of the approaches to sustainable energy supply is underground natural gas storage (UGS). In UGS, the gas in the underground storage is made up of two fractions, namely base gas (cushion gas) and working gas. The base gas is injected into the…
The Cornegliano Laudense Natural Gas Storage Project consists in the conversion of a depleted gas field into two underground gas clusters interconnected by a DN600 (24") clad gas pipeline at 170 barg. A major design challenge of the interconnection…
Underground natural gas storage is a cyclical technique that consists in the use of geological structures, such as depleted oil and gas reservoirs, aquifers, and salt domes, to store gas for future consumption as per demand. Although, underground gas…
Underground salt caverns provide appropriate space for storing natural gas. However, salt caverns have to be constructed in bedded salt formations in China. The traditional construction method of salt cavern encounters serious problems in such…
In the Beijing-Tianjin-Hebei region, there is a huge gap in the capacity of natural gas peak regulation. Due to the influence of fault development and complex structure in Jizhong Depression, the evaluation of fault sealing ability is the top…
In the Beijing-Tianjin-Hebei region, there is a huge gap in the capacity of natural gas peak regulation. Due to the influence of fault development and complex structure in Jizhong Depression, the evaluation of fault sealing ability is the top…
To fully utilize the abandoned salt cavern resources and to increase the total amount of the fossil energy reserve of China, reconstructing some of these salt caverns for underground gas storage (UGS) or strategic petroleum reserve (SPR) would be an…
Nigeria is the 2nd biggest natural gas producer in Africa, with much of it exported as LNG, some re-injected while a small fraction serves the domestic market. The volume supplied to the domestic market plays an outsized role in the energy mix and…
With the rapid development of the global economy and the adjustment of energy structure, the demand for underground salt cavern gas storage is particularly urgent. The technology of double-well cavity creation with small well spacing is a relatively…
Underground natural gas storage is a cyclical technique that consists in the use of geological structures, such as depleted oil and gas reservoirs, aquifers, and salt domes, to store gas for future consumption as per demand. Although, underground gas…
The current status and development trend of natural gas pipelines and storage in China is summarized briefly. With the development of economy, the natural gas demand in China increases rapidly
Reservoir simulations of the co-injection of natural gas, carbon dioxide, and other non-condensable gases into saline aquifers are in demand in many areas of subsurface utilization, ranging from excess energy and greenhouse gas storage to the…