DOE Award No.: FWP 72688 Quarterly Research Performance Progress Report (Period Ending 12/31/2018) Coupled Hydrologic, Thermodynamic, and Geomechanical Processes of Natural Gas Hydrate Production Project Period (10/01/2018 to open) Submitted by: Mark White _____________________________________ Signature Pacific Northwest National Laboratory DUNS #: 32987476 P.O. Box 999 Richland, WA 99352 Email: mark.white@pnnl.gov Phone number: (509) 372-6070 Prepared for: United States Department of Energy National Energy Technology Laboratory OIL & GAS January 24, 2019 Office of Fossil Energy RESEARCH PERFORMANCE PROGRESS REPORT DISCLAIMER “This report was prepared as an account of work sponsored by an agency of the 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