The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The depleted shale reservoirs have shown promising potentials for permanent geological CO2 storage (GCS) either as a caprock or as reservoir storage units. In this study, we experimentally investigated the impact of localized biogeomechanical process…
Secure CO2 geological storage necessitates robust monitoring methods to provide assurance of CO2 storage. Pressure monitoring above the injection zone is a method to detect potential CO2 leaks into overlying formations. We built a CO2 storage model…
Leakage pathways through caprock lithologies for underground storage of CO2 and/or enhanced oil recovery (EOR) include intrusion into nano-pore mudstones, flow within fractures and faults, and larger-scale sedimentary heterogeneity (e.g., stacked…
During recent years reduction of carbon dioxide emission driving development of different technologies for CO2 capturing and utilization. Carbon dioxide injection in underground reservoirs is on of effective methods for storage or utilization as…
Sandia National Laboratories has long used the Munson-Dawson (M-D) model to predict the geomechanical behavior of salt caverns used to store oil at the Strategic Petroleum Reserve (SPR). Salt creep causes storage caverns to deform inward, thus losing…
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…
Reservoir thermal energy storage ("RTES") in high porosity and high permeability sedimentary settings offers the potential for large-scale and long-term heat energy storage for future any-time electricity production. Solar-generated thermal energy or…
Bati Raman field, with an original oil in place of 1.85 billion barrels, is a naturally fractured carbonate reservoir containing 9-13 API extra heavy oil with viscosities varying from 300 to 600 cp. Not only a wide range of pilot EOR schemes…
This paper presents a detailed study of the SAGD dilation start-up technology, including the fundamental mechanism, numerical model, field operations, and well performance in PetroChina's Karamay "super" heavy-oil reservoir. Rock dilation refers to a…
The domestic and abroad experience of production test of natural gas hydrate shows that the problem of sand production is a key factor restricting the effective development of hydrate resources. From the perspective of the flow in porous media of…
The complex formations such as soft-hard interbedded and strong abrasive strata in ultra-deep wells make the PDC bit inefficient in rock-breaking, which greatly increases the development cost of oil and gas reservoirs. There are two basic ways to…
The mechanical behavior of rocks in basin and petroleum system modeling is usually simplified through an empirical law that relates burial depth and rock porosity, which may compromise the accuracy of simulations in less conventional scenarios.…
To investigate the fracture propagation near the wellbore in natural fractured gas shale, a traction-separation relation is proposed and incorporated with the finite-discrete element method (FDEM) model. In the FDEM, shale matrix is discretized by…
Sandia National Laboratories has long used the Munson-Dawson (M-D) model to predict the geomechanical behavior of salt caverns used to store oil at the Strategic Petroleum Reserve (SPR). Salt creep causes storage caverns to deform inward, thus losing…
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…
This paper presents a case study of the effect of an abandoned cavern of large diameter on the long-term stability of an oil storage facility in domal salt. The U.S. Strategic Petroleum Reserve stores crude oil in solution-mined caverns in the Bryan…
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
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
This paper presents a case study of the effect of an abandoned cavern of large diameter on the long-term stability of an oil storage facility in domal salt. The U.S. Strategic Petroleum Reserve stores crude oil in solution-mined caverns in the Bryan…
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
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
The oil and gas exploration of shale formation is an unloading process on the rock. After comprehensive study of the mechanical properties of rock under different loading paths is taken, the stability of the excavation of rock can be better…
A water curtain system consists of a lot of boreholes arranged in a systematic manner. To maintain a tightly-sealed storage of substances (e.g. crude oil), water curtain systems are usually employed for underground storage in hard rocks. In this…
Field monitoring is one of the important methods to ensure construction and operation safety of large underground facilities. The construction of underground crude oil storage caverns just commences in China. There are no standards of field…
Large underground unlined rock caverns for storage of crude oil or liquid hydrocarbons are very often designed to operate with a gaseous phase maintained to a pressure range above atmospheric pressure (>1 bar abs.). To maintain the pressure of the…
The southern section of the Zagros zone in southwestern Iran, a well-known sedimentary basin, was investigated to address two key questions: (1) whether it would be feasible to construct large unlined rock caverns (URCs) in moderate-quality…
For the construction of underground crude oil storage caverns, natural groundwater table or artificial curtain system is employed in the cases of different geological conditions. In this study, the containment and stability properties of an…
The hydro-mechanical behavior of a pilot underground crude oil storage facility in a granite host rock in China was analyzed using the finite element method (FEM). Characterization of hydro-mechanical behavior of the rock mass was performed using…
One of the important scientific issues for the construction of underground storage caverns is the assessment of containment properties of the caverns. It is aimed to develop a system of methods for the assessment of containment properties of the…
Underground storage schemes are gaining importance in India, as all over the world. Such storage schemes involve the excavation of large underground caverns, connecting tunnels and various types of shafts. This example provides storage for more than…
The magnitude and spatial distribution of groundwater flow rate around cavern periphery are of critical importance to the construction of underground crude oil storage caverns with water curtain system. The groundwater flow rate of a pilot…
The construction technology of underground storage caverns was introduced into China a few years ago. At present, there is no extensive experience on the design and construction of groundwater curtaining system. Design principles and…
This paper presents a case study of the effect of an abandoned cavern of large diameter on the long-term stability of an oil storage facility in domal salt. The U.S. Strategic Petroleum Reserve stores crude oil in solution-mined caverns in the Bryan…
In 2008, Indian Strategic Petroleum Reserve Limited started construction of an underground unlined rock cavern complex for storage of imported crude oil at Visakhapatnam for 1.3 MMT (million metric tons) of crude oil. The excavation of the works was…
Indian Strategic Petroleum Reserves Limited has awarded the packages of constructing underground unlined rock caverns for storage of 1.33 and 1.25 MMT of high sulphur crude oil at Visakhapatnam (Andhra Pradesh) and Padur (Karnataka) respectively to…
Underground crude oil storage caverns with the containment of groundwater is one of the methods for storage of crude oil. In the method, the containment property of saturated rock mass is taken advantage. Therefore, the integrity of rock mass is of…
Triaxial compression tests have been performed to determine the properties of the rock mass around an unlining underground crude oil storage caverns which is the first one in China. The execution situation of the tunnel project and the seepage law of…
Based on fluid-solid coupling theory for discrete medium, containment and stability properties of underground crude oil storage caverns were assessed for the first pilot crude oil storage caverns in China. Elastic modulus and Poisson(s ratio were…
Large-scale underground water-sealed oil storage caverns have become an important method for storing strategic crude oil reserves worldwide. Previous studies have focused on the stability of the surrounding rock masses during excavation processes. In…
In order to reduce the anthropogenic greenhouse-gas emissions, CO2 geological storage has been proposed. Many applications for CO2 geological storage exist, such as injecting CO2 into depleted hydrocarbon reservoirs, enhanced coalbed methane…
A water curtain system consists of a lot of boreholes arranged in a systematic manner. To maintain a tightly-sealed storage of substances (e.g. crude oil), water curtain systems are usually employed for underground storage in hard rocks. In this…
Underground oil storage caverns are the main mode to strategic crude oil storage in the world, which is the underground rock caverns below ground water level and prevented leakage by water sealed. And the permeability of surrounding rock mass would…
Geotechnical monitoring is one of the important means for the control of safety of underground structure in both construction and operation phase. In this study, geotechnical monitoring on the stability was performed on a pilot underground crude-oil…
Highlights: [•] Hydro-mechanical behavior of rock mass was analyzed using discrete element method. [•] Characterization of hydro-mechanical behavior was performed using various methods. [•] The importance of water curtain system for underground…
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