Prepared by

• Main Authors: Contract No. De-fc-nt, Steven L. Bryant, Ruben Juanes
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Arctic; permafrost
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.228.7998; http://www.netl.doe.gov/technologies/oil-gas/publications/Hydrates/2011Reports/nt43067-qpr-apr-jun-2011.pdf

United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof." 1 Summary A mechanistic model is developed to explain/predict gas hydrate saturation profile in sub-permafrost formations in the Arctic. The model assumes that the gas hydrate profiles are converted free gas accumulations when base of gas hydrate stability zone (BGHSZ) moves down the gas column. Three key elements are considered in the model: (1) volume change during hydrate