NDLI: Numerical simulation for hydrate exploitation by depressurization in conjunction with hot brine injection with Five-Point Pattern

Content Provider	IEEE Xplore Digital Library
Author	Xiaosen Li Qi Chen Gang Li
Copyright Year	2010
Description	Author affiliation: Key Laboratory of Renewable Energy and Natural Gas Hydrate, Guangzhou Center for Gas Hydrate Research, China (Xiaosen Li; Qi Chen; Gang Li)
Abstract	It is more profitable for the natural gas hydrate exploitation by use of the depressurization in conjunction with hot brine stimulation. In the work, at the initial stage of the exploitation, the depressurization is used to induce the hydrate dissociation. When the temperature drops and causes the decrease of the hydrate dissociation rate, hot brine is injected to prompt the hydrate dissociation, and furthermore accelerates the production rate of methane gas in the production well. We employ the Five-Point Pattern, a traditional method for the crude oil and gas production, to simulate the process of hydrate exploitation. The simulation results indicate that the most efficient stage of gas production is the depressurization process. The location of intense dissociation activity is in the area around the production well. During the hot brine injection into the well, the gas released from hydrate dissociation in the vicinity of the well moves towards the well, and the gas production rate from the well accelerates with increase of the gas saturation in the entire reservoir. The sensitivity analysis demonstrates the dependence of production on the intrinsic permeability of the reservoir.
Starting Page	5210
Ending Page	5215
File Size	463624
Page Count	6
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5535442
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mass production Hydrate The dissociation rate of hydrate Laboratories Renewable energy resources Permeability Injection hot water Research and development Content addressable storage Injection inhibitor Numerical simulation Reservoirs Acceleration Component Depressurization Natural gas
Content Type	Text
Resource Type	Article

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