南海琼东南盆地渗漏系统甲烷水合物生长速度

被引：7

作者：

关进安 ^{[1
,2
]}

樊栓狮 ^{[3
]}

梁德青 ^{[1
]}

宁伏龙 ^{[4
]}

机构：

[1] 中国科学院广州能源研究所,中国科学院可再生能源与天然气水合物重点实验室

[2] 中国科学院研究生院

[3] 华南理工大学传热强化与过程节能教育部重点实验室

[4] 中国地质大学工程学院

来源：

地球物理学报 | 2009年 / 52卷 / 03期

关键词：

渗漏系统; 扩散系统; 甲烷水合物; 生长速度; 固结速度;

D O I：

暂无

中图分类号：

P744.4 [石油和天然气];

学科分类号：

0824 ;

摘要：

南海琼东南盆地发现的高压泥底辟构造、海底"气烟囱"和天然气冷泉表明该地区可能存在着渗漏系统天然气水合物藏.假定在该区直径为1500 m 的甲烷渗漏区内,甲烷渗漏通量为1000 kmol/a,甲烷水合物沉积层的温度范围为3～20℃,根据水合物条形移动界面理论建立传热模型,选取0 mbsf、100 mbsf、200 mbsf 和 425 mbsf 分别计算在渗漏和扩散情况下的温度和生长速度变化曲线.结果表明甲烷水合物在沉积层骨架里的固结速度约为0.2 nm/s,经过约35000年后渗漏系统将演变成扩散系统.同时,甲烷水合物在渗漏系统里比在扩散系统里的生长速度快约20～40倍.

引用

页码：765 / 775

页数：11

共 28 条

[1] Clathrate-hydrate film growth along water/hydrate-former phase boundaries - numerical heat-transfer study [J].

Mochizuki, T ;

Mori, YH .

JOURNAL OF CRYSTAL GROWTH, 2006, 290 (02) :642-652

[2]

Methane discharge from a deep-sea submarine mud volcano into the upper water column by gas hydrate-coated methane bubbles.[J].Eberhard J. Sauter;Sergey I. Muyakshin;Jean-Luc Charlou;Michael Schlüter;Antje Boetius;Kerstin Jerosch;Ellen Damm;Jean-Paul Foucher;Michael Klages.Earth and Planetary Science Letters.2006, 3

[3]

1300-m-high rising bubbles from mud volcanoes at 2080<ce:hsp sp="0.10"/>m in the Black Sea: Hydroacoustic characteristics and temporal variability.[J].Jens Greinert;Yuriy Artemov;Viktor Egorov;Marc De Batist;Daniel McGinnis.Earth and Planetary Science Letters.2006, 1

[4] The origin of thermogenic gas hydrates on the northern Cascadia Margin as inferred from isotopic (13C/12C and D/H) and molecular composition of hydrate and vent gas [J].

Pohlman, JW ;

Canuel, EA ;

Chapman, NR ;

Spence, GD ;

Whiticar, MJ ;

Coffin, RB .

ORGANIC GEOCHEMISTRY, 2005, 36 (05) :703-716

[5]

Co-existence of gas hydrate; free gas; and brine within the regional gas hydrate stability zone at Hydrate Ridge (Oregon margin): evidence from prolonged degassing of a pressurized core.[J].Alexei V. Milkov;Gerald R. Dickens;George E. Claypool;Young-Joo Lee;Walter S. Borowski;Marta E. Torres;Wenyue Xu;Hitoshi Tomaru;Anne M. Tréhu;Peter Schultheiss.Earth and Planetary Science Letters.2004, 3

[6] Methane escape from gas hydrate systems in marine environment, and methane-driven oceanic eruptions [J].

Zhang, YX .

GEOPHYSICAL RESEARCH LETTERS, 2003, 30 (07) :51-1

[7]

Nucleation of gas hydrates.[J].Dimo Kashchiev;Abbas Firoozabadi.Journal of Crystal Growth.2002, 3

[8]

Driving force for crystallization of gas hydrates.[J].Dimo Kashchiev;Abbas Firoozabadi.Journal of Crystal Growth.2002, 1

[9]

Methane hydrate film growth kinetics.[J].Erik M. Freer;M. Sami Selim;E. Dendy Sloan.Fluid Phase Equilibria.2001, 1

[10] Microscopic observations of formation processes of clathrate-hydrate films at an interface between water and carbon dioxide [J].

Uchida, T ;

Ebinuma, T ;

Kawabata, J ;

Narita, H .

JOURNAL OF CRYSTAL GROWTH, 1999, 204 (03) :348-356

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