Search
Search Results
-
Pore structure evolution of mudstone caprock under cyclic load-unload and its influence on breakthrough pressure
The pore structure of caprock plays an important role in underground gas storage security, as it significantly influences the sealing capacity of...
-
Two-Phase Flow Mechanisms Controlling CO2 Intrusion into Shaly Caprock
Geologic carbon storage in deep saline aquifers has emerged as a promising technique to mitigate climate change. CO 2 is buoyant at the storage...
-
Fast Evaluation of Caprock Strength Sensitivity to Different CO2 Solutions Using Small Sample Techniques
The Draupne shale is a rock formation functioning as overburden for gas reservoirs in the Norwegian Sea and potentially as caprock for future CO 2 ...
-
Caprock Topography and Injection Position Influence on the Solubility Trap** Phenomena during CO2 Geological Sequestration
In CO2 geological sequestration, multiphase flow of CO2-water and solubility trap** i.e., dissolution of CO2 in water, triggers series of reactions...
-
Estimating Caprock Impact on CO2 Migration in the Gassum Formation Using 2D Seismic Line Data
Realizable CO 2 storage potential for saline formations without closed lateral boundaries depends on the combined effects of physical and chemical...
-
Geo-mechanical evaluation of a proposed gas storage in aquifer anticline trap with deep fault
This paper investigates the feasibility of a proposed underground gas storage facility. Based on S gas storage, a large-scale 2D hydromechanical...
-
Coupled hydro-mechanical simulation in the carbonate reservoir of a giant oil field in southwest Iran
The Asmari reservoir in southwest Iran has been producing oil continuously for over 50 years. However, due to an essential pressure decline, the...
-
Rainfall and Its Infiltration Conditions for Landslide Occurred at Edge of Pyroclastic Flow Plateau in the Kyushu Island, Southwestern Japan
The torrential rains of July 2012 caused many landslides at the edge of the Aso pyroclastic flow plateau, consisting of the Aso-3 and the Aso-4...
-
Effect of stress and material barriers on hydraulic fracture height containment in layered formations
Hydraulic fracturing is widely accepted as a geotechnical application that can be used to enhance productivity in unconventional reservoirs. However,...
-
Quantitative Relationship Between Argillaceous Caprock Thickness and Maximum Sealed Hydrocarbon Column Height
The quality of a caprock is closely related to its thickness. Statistical data show that there is an obvious positive correlation between caprock...
-
Determination of Key Beds from the Cap Rocks of Oil Reservoirs Using a Novel Method, Case Study: The Gachsaran Formation, Southwest Iran
AbstractThe use of key beds in the cap rocks of the oil reservoirs is crucial. Lack of awareness of these key beds will have serious risks and...
-
Using LiDAR Technology for Geoheritage Inventory and Modelling: Case Study of Đavolja Varoš Geosite (Serbia)
Terrestrial laser scanning (TLS) brought a big step forward in the research of landform processes. TLS enables detailed, precise and accurate...
-
Late Quaternary palaeoenvironmental controls on concentric talus evolution in the Central Ebro Basin (NE Spain)
The polyphasic evolution of the testimonial buttes in the central area of the Ebro basin (Los Monegros) is analysed. This is a semiarid area that...
-
Deformation Mechanism and Vertical Sealing Capacity of Fault in the Mudstone Caprock
The petrophysical property of mudstone often transforms from ductile to brittle in the process of burial-uplift. The deformation mechanism of fault...
-
Distribution characteristics and sedimentary model of gypsum-bearing evaporite of the Middle Cambrian Gaotai Formation in the eastern Sichuan Basin
Gypsum-bearing evaporite is a globally important oil and gas caprock. Sealing of oil and gas reservoirs by gypsum-bearing evaporite is of great...
-
Effect of CO2-H2O-Smectite Interactions on Permeability of Clay-Rich Rocks Under CO2 Storage Conditions
CO 2 uptake by smectites can cause swelling and self-stressing in shallow clay-rich caprocks under CO 2 storage P–T and constrained conditions....
-
Models of overpressure build-up in shallow sediments by glacial deposition and glacial loading with respect to chimney formation
Chimneys and pipe structures have been observed in the caprock above the Utsira Aquifer in the North Sea. The caprock is of Pleistocene age and the...
-
-
In Situ Stress Evolution and Fault-Slip Tendency Assessment of an Underground Gas Storage Reservoir in the Turpan Basin (China): In Situ Stress Measurements and Coupled Simulations
Fault slip induced by gas injection and extraction cycles in underground gas storage (UGS) sites have been reported in many countries. Knowledges of...
-
Thermo-Poromechanical Properties of Pierre II Shale
During the injection of carbon dioxide (CO 2 ) for CO 2 capture and storage (CCS) operations, the near-well (including casing, cement, and rock around...
