A Review of Stimulation Technologies for Weakly-Consolidated Natural Gas Hydrate Reservoirs

Bo Ning, Yanjiang Yu (), Jing Zeng and Qiuping Lu
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Bo Ning: National Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou 511458, China
Yanjiang Yu: National Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou 511458, China
Jing Zeng: National Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou 511458, China
Qiuping Lu: National Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou 511458, China

Energies, 2022, vol. 15, issue 19, 1-17

Abstract: As an unconventional clean resource with huge reserves and a wide distribution, natural gas hydrates (NGHs) have good application prospects. However, due to limited understanding and available production technology for NGHs, there is still a large gap between current production tests and commercial exploitation. A breakthrough in reservoir stimulation technologies is key to realizing the industrialization of NGHs in the future. Through a comprehensive summary of hydrate production test cases in Japan and China, this paper highlights the difficulties in the transformation of weakly-consolidated reservoirs. By systematically reviewing the theory and technology of hydrate reservoir transformation and engineering applications, this paper elucidates in detail the technical principles and mechanisms of several available stimulation technologies for weakly-consolidated reservoirs, and assesses the feasibility of their application to increase the production of NGHs. Existing problems and challenges are summarized and future prospects are discussed. Finally, suggestions are put forward for research and development of transformation technology for weakly-consolidated NGHs reservoirs in the future.

Keywords: NGHs; weakly-consolidated; reservoir stimulation; hydraulic fracturing; hydrojet; hydraulic dilatancy; hydroelectric effect; electromagnetic wave; dipole moment (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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