... reservoir temperature and pressure conditions. Then, the model was used to investigate the effects of different injection rates and different reservoir porosity changes on CO 2 transport and reservoir pore pressure, and to further analyze the integrity of the cap layer under hazardous working conditions...

... in shallow gas with ultra-low temperature environment. The effects of temperature, pressure of shallow gas reservoirs and density of drilling liquid on shallow gas blowout were studied to provide a basis for the development of prevention and control plans for polar drilling with ultra-low temperature...

... ABSTRACT Natural gas hydrates are one important kind of clean energies, and the technology of hydraulic fracturing has been adopted to increase gas production. Therefore, according to the geological background of the reservoir in the Shenhu area, South China Sea, this paper used numerical...

... using Comsol software for the simulation of hydrate extraction, analyzing the changes in reservoir parameters during the extraction process and the impact of sand production on formation settlement. This paper also examines the mechanism of sand production and its effect on well productivity, to explore...

... 2 solubility geology drilling fluid management & disposal foam equation of state enhanced recovery salinity geologist drilling fluids and materials formula calculation compressibility zh-h chemical geology fugacity coefficient density nacl china study reservoir deviation...

... landslide numerical model investigation numerical investigation wave sensor asia government yangqu reservoir physical model landslide-generated impulse wave propagation china government impulse wave discharge tsunami wave landslide wave upstream oil & gas reservoir elevation...

... upstream oil & gas significant effect coefficient reservoir thickness soil layer reservoir characterization seismic response natural gas hydrate gas hydrate reservoir bulk compression modulus water depth resonance frequency decomposition frequency vertical seismic response...

... ABSTRACT Unconventional hydrocarbon reservoirs are deposits that do not produce economically without the assistance of massive stimulation or the application of special recovery technologies. Hydraulic fracturing is a stimulation technique that aims to increase the well productivity...

... applied on the power storage, desalination, CO 2 capture and etc. (Xu et al, 2011; Liu et al,2013; Chen et al, 2015). However, natural gas hydrate is a double-edged sword in the engineering. It has been found that the phase transition of hydrate can block the pipes and damage the reservoir structure...

... saturation hydrate dissociation gas hydrate dissociation process reservoir propane gas experiment enhanced recovery concentration equilibrium temperature hydrate reservoir sakamoto acid injection hydrate dissociation process dissociation temperature methane hydrate gas production...

.... hydrate molecule wellhead extraction gas hydrate hanger subsea system jogmec methane hydrate reservoir production tree commercial exploitation upstream oil & gas hydrate production platform tree cap tree configuration gas hydrate production south china sea flow assurance...

... ABSTRACT In this study solute transport experiments using a dye in a twodimensional water tank with the dimensions of 100 cm height, 100 cm length and 3 cm thickness were conducted to investigate solute transport behaviors in a subsurface reservoir with underground dam. A synthetic flow field...

...(GA). Application instances show that the model can effectively maximize the NPV, so it has a strong engineering practical significance. INTRODUCTION The reasonable development of well-net pattern is one of the main research topics in reservoir development. Different from the regular well patterns...

... and it has been obtained integrating the simplified Euler s equation along the y-axis, shown in Fig. 2. (See Appendix A for a detailed development of Lloyd equation). The equation can be expressed in function of the angle between the two reservoirs . In Eq. 4, the coupled dynamic equation between the hull...

... a three-dimensional monitoring system which consist of gas hydrate reservoirs, seafloor, water column, surface, space monitoring and geochemical monitoring technology would be an effective way to provide reliable scientific data for seabed stability study and geological risk assessment of gas hydrate...

... Abstract The internal corrosion and pitting of water injection pipelines (WIP) is of much interest in the oil and gas industry. Water injection is used to aid the recovery of oil or gas from reservoirs that are nearing depletion. Most pipelines are low alloy high strength steels, many...

... Abstract Characterization of 3D channelized gas reservoirs with an aquifer is challenging due lots of variables, considering of vertical flow, properties of channel such as connectivity and pattern, and high uncertainty by an aquifer. In case of conventional EnKF (ensemble Kalman filter...

... of a rubble mound breakwater with a reservoir designed to capture the wave overtopping from a frontal ramp in order to convert it into potential energy. Water gathered in the reservoir produces energy by flowing through low head hydraulic turbines, using the difference in water level between the reservoir...

... pairs, i.e. six horizontal wells, were installed to take steam interference between the chambers into consideration. The optimum operations showed the small difference of bottom hole pressure between an injector and a producer that released a small amount of steam into the reservoir. The lower injection...

... a method of storing the resulting suspension in reservoirs and a method of further transportation by tankers in arctic conditions. Installation diagram of the transformation of oil and associated gas in the HHCDS is presented. Calculations describing technological and thermodynamic processes...