scholarly journals An assessment of methane gas production from natural gas hydrates: Challenges, technology and market outlook

2021 ◽  
Vol 5 (3) ◽  
pp. 318-332
Author(s):  
Rashid Shaibu ◽  
Chico Sambo ◽  
Boyun Guo ◽  
Anireju Dudun
Keyword(s):  
Natural Gas ◽  
Gas Hydrates ◽  
Gas Production ◽  
Methane Gas ◽  
Natural Gas Hydrates ◽  
Market Outlook

Sand production evaluation during gas production from natural gas hydrates

2018 ◽  
Vol 57 ◽  
pp. 77-88 ◽  
Author(s):  
Chuanliang Yan ◽  
Yang Li ◽  
Yuanfang Cheng ◽  
Wei Wang ◽  
Benjian Song ◽  
...  
Keyword(s):  
Natural Gas ◽  
Gas Hydrates ◽  
Gas Production ◽  
Sand Production ◽  
Natural Gas Hydrates

Evaluation of Hot-Brine Stimulation Technique for Gas Production From Natural Gas Hydrates

1987 ◽  
Vol 39 (11) ◽  
pp. 1379-1388 ◽  
Author(s):  
Vidyadhar A. Kamath ◽  
Sanjay P. Godbole
Keyword(s):  
Natural Gas ◽  
Gas Hydrates ◽  
Gas Production ◽  
Natural Gas Hydrates ◽  
Stimulation Technique

Importance of Gas Hydrates for India and Characterization of Methane Gas Dissociation in the Krishna-Godavari Basin Reservoir

2016 ◽  
Vol 50 (6) ◽  
pp. 58-68 ◽  
Author(s):  
Narayanaswamy Vedachalam ◽  
Sethuraman Ramesh ◽  
Arunachalam Umapathy ◽  
Gidugu Ananda Ramadass
Keyword(s):  
Natural Gas ◽  
Gas Hydrates ◽  
Gas Hydrate ◽  
Gas Production ◽  
Hot Water ◽  
Economic Resource ◽  
Methane Gas ◽  
Hydrate Reservoir ◽  
Gas Hydrate Reservoir ◽  
Godavari Basin

AbstractNatural gas hydrates are considered to be a strategic unconventional hydrocarbon resource in the Indian energy sector, and thermal stimulation is considered as one of the methods for producing methane from gas hydrate-bearing sediments. This paper discusses the importance of this abundantly available blue economic resource and analyzes the efficiency of methane gas production by circulating hot water in a horizontal well in the fine-grained, clay-rich natural gas hydrate reservoir in the Krishna-Godavari basin of India. Analysis is done using the electrothermal finite element analysis software MagNet-ThermNet and gas hydrate reservoir modeling software TOUGH+HYDRATE with reservoir petrophysical properties as inputs. Energy balance studies indicate that, in the 90% hydrate-saturated reservoir, the theoretical energy conversion ratio is 1:4.9, and for saturations below 20%, the ratio is <1. It is identified that a water flow of 0.2 m3/h at 270°C is required for every 1 m2 of wellhead surface area to dissociate gas hydrates up to a distance of 2.6 m from the well bore within 36 h.

Preliminary report on the commercial viability of gas production from natural gas hydrates

2009 ◽  
Vol 31 (5) ◽  
pp. 815-823 ◽  
Author(s):  
Matthew R. Walsh ◽  
Steve H. Hancock ◽  
Scott J. Wilson ◽  
Shirish L. Patil ◽  
George J. Moridis ◽  
...  
Keyword(s):  
Natural Gas ◽  
Gas Hydrates ◽  
Preliminary Report ◽  
Gas Production ◽  
Commercial Viability ◽  
Natural Gas Hydrates

An Investigation Into the Occurrence of Hydrate-Bearing Sediments Offshore the East Coast of Trinidad and Tobago

SPE Journal ◽  
2016 ◽  
Vol 21 (05) ◽  
pp. 1782-1792
Author(s):  
Maxian B. Seales ◽  
Jill Marcelle-De Silva ◽  
Turgay Ertekin ◽  
John Yilin Wang
Keyword(s):  
Natural Gas ◽  
Crude Oil ◽  
Trinidad And Tobago ◽  
Gas Hydrates ◽  
Energy Demand ◽  
East Coast ◽  
Gas Production ◽  
Energy Potential ◽  
Production Ratio ◽  
Natural Gas Hydrates

Summary It is anticipated that increasing pressure for cleaner burning fuels and lower carbon dioxide (CO2) emissions will cause a shift in global energy demand from oil to natural gas. In the near future, natural gas is expected to replace crude oil as the fuel of choice for energy production and transportation. In Trinidad and Tobago, natural-gas production has already surpassed crude-oil production. Natural gas accounts for 80% of the country's energy export, but the reserves-to-production ratio is only 7 years (year 2022). Consequently, the Ministry of Energy has taken steps to supplement the natural-gas resource base by supporting initiatives that can potentially bolster the nation's proven gas reserves. Such initiatives include invitations to tender on deepwater blocks offshore Trinidad and Tobago's gas-rich east coast. Even though initiatives are under way to boost conventional natural-gas reserves, effort was not placed on identifying and/or characterizing unconventional gas resources such as natural-gas hydrates. Furthermore, the potential hazards of submarine gas hydrates on deepwater exploration and production (E&P) activities on Trinidad and Tobago's east coast were not assessed. The results presented in this manuscript provide oil-and-gas operators with a means of proactively managing the risk associated with natural-gas hydrates. More importantly, this study acts as a necessary precursor to future studies in characterizing and, later, harnessing the energy potential of Trinidad-and-Tobago's natural-gas-hydrate deposits.

scholarly journals A Thermal Chemical Reaction System for Natural Gas Hydrates Exploitation

2022 ◽  
Vol 9 ◽  
Author(s):  
Yanan Wang ◽  
Zhenxin Sun ◽  
Qingping Li ◽  
Xin Lv ◽  
Yang Ge
Keyword(s):  
Natural Gas ◽  
Heat Generation ◽  
Gas Hydrates ◽  
Catalyst Concentration ◽  
Reaction System ◽  
Gas Production ◽  
Reactant Concentration ◽  
Natural Gas Hydrates ◽  
Hcl Concentration ◽  
Thermochemical Reaction

The methodology of using CO2 to replace CH4 to recover the natural gas hydrates (NGHs) is supposed to avoid geological disasters. However, the reaction path of the CH4–CO2 replacement method is too complex to give satisfactory replacement efficiency. Therefore, this study proposed a thermochemical reaction system that used the heat and the nitrogen released by the thermochemical reactions to recover NGHs. The performance of the thermochemical reaction system (NaNO2 and NH4Cl) regarding heat generation and gas production under low temperature (4°C) conditions was evaluated, and the feasibility of exploiting NGHs with an optimized formula of the thermochemical reaction system was also evaluated in this study. First, the effects of three catalysts (HCl, H₃PO₄, and NH2SO3H) were investigated at the same reactant concentration and catalyst concentration. It was confirmed that HCl as a catalyst can obtain better heat generation and gas production. Second, the effect of HCl concentration on the reaction was investigated under the same reactant concentration. The results showed that the higher the HCl concentration, the faster is the reaction rate. When the concentration of HCl was greater than 14 wt%, side reactions would occur to produce toxic gas; hence, 14 wt% was the optimal catalyst concentration for the reaction of NaNO2 and NH4Cl at low temperatures. Third, the heat generation and gas production of the thermochemical reaction systems were evaluated at different reactant concentrations (1, 2, 3, 4, 5, and 6 mol/L) at 14 wt% HCl concentration. It was found that the best reactant concentration was 5 mol/L. Finally, the feasibility of exploiting NGHs with the optimal system was analyzed from the perspectives of thermal decomposition and nitrogen replacement. The thermochemical reaction system provided by this study is possible to be applied to explore NGHs’ offshore.

Natural Gas Hydrates: Development and Test of Innovative Methods for Gas Production From Hydrate Bearing Sediments

2010 ◽  
Author(s):  
Judith Maria Schicks ◽  
Erik Spangenberg ◽  
Bernd Steinhauer ◽  
Jens Klump ◽  
Ronny Giese ◽  
...  
Keyword(s):  
Natural Gas ◽  
Gas Hydrates ◽  
Gas Production ◽  
Innovative Methods ◽  
Natural Gas Hydrates ◽  
Hydrate Bearing Sediments

scholarly journals Gas-water Separation Via PDMS Silicone Tubes - Concepts For Methane Gas Monitoring and Recovery from Natural Gas Hydrates

2012 ◽  
Vol 44 ◽  
pp. 1188-1190 ◽  
Author(s):  
B. Beeskow-Strauch ◽  
M. Zimmer ◽  
J.M. Schicks ◽  
J. Erzinger
Keyword(s):  
Natural Gas ◽  
Gas Hydrates ◽  
Gas Monitoring ◽  
Water Separation ◽  
Methane Gas ◽  
Natural Gas Hydrates
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