<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><I>LFEE Seminar on Energy and Environment </I></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000005"><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">“Imaging Fractures: Exploring and Developing Tight Gas Reservoirs with Seismic Methods”</SPAN></FONT></B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000005"><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;"> </SPAN></FONT></B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">Dan Burns</SPAN></FONT></B></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">MIT Earth Resources Lab</SPAN></FONT></B></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000005"><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;"> </SPAN></FONT></B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000005"><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">Wednesday</SPAN></FONT></B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000005"><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">December 13, 2006</SPAN></FONT></B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000005"><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">12:00 - 1:30 pm</SPAN></FONT></B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000005"><B><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">E40-496</SPAN></FONT></B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="text-align: left;text-indent: 48px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><BR class="khtml-block-placeholder"></DIV><DIV style="text-align: left;text-indent: 48px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN style=""><FONT class="Apple-style-span" color="#000000">Natural gas is a growing part of the US energy mix and, because natural gas is also more environmentally friendly, the demand will continue to grow. The US currently has approximately 200 TCF of known conventional reserves (EIA, 2006a), with annual domestic production (2004) of approximately 19 TCF (EIA, 2006b).</FONT><SPAN style="mso-spacerun: yes"><FONT class="Apple-style-span" color="#000000"> </FONT></SPAN><FONT class="Apple-style-span" color="#000000">The US also has an enormous potential source of new natural gas reserves in unconventional reservoirs including tight gas sands, gas shales, ultradeep water reservoirs, and methane hydrates.</FONT><SPAN style="mso-spacerun: yes"><FONT class="Apple-style-span" color="#000000"> </FONT></SPAN><FONT class="Apple-style-span" color="#000000">In total such reserves could provide energy independence for the US if they could be economically produced.</FONT><SPAN style="mso-spacerun: yes"><FONT class="Apple-style-span" color="#000000"> </FONT></SPAN><FONT class="Apple-style-span" color="#000000">Tight gas sand reservoirs are estimated to contain 200-1000 TCF of reserves, depending on the technology available to find and produce them (RPSEA. 2005). </FONT><SPAN style=""><FONT class="Apple-style-span" color="#000000">These reserves, however, are produced through fractures (both natural and induced) and can only be brought on stream through improved technology for the remote sensing and characterization of these fractures. </FONT></SPAN><FONT class="Apple-style-span" color="#000000">A brief overview of passive and active seismic methods used to image and characterize such fractures will be shown, along with some promising new methods based on scattered wave analysis. </FONT></SPAN></DIV><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT class="Apple-style-span" color="#000000"> </FONT></P><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="text-align: justify;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000000">Bring your lunch - light refreshment will be provided.</FONT></DIV><DIV style="text-align: justify;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="text-align: justify;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="text-align: auto;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">___________________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">If you would like to be added or removed from this mailing list, please contact Karen Gibson, <A href="mailto:kgibson@mit.edu"><FONT class="Apple-style-span" color="#0F70FA">kgibson@mit.edu</FONT></A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><BR class="khtml-block-placeholder"></DIV><BR><BR><DIV> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Karen<SPAN class="Apple-converted-space"> </SPAN>L. Gibson</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Program Assistant</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">MIT Laboratory For Energy and the Environment</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">77 Massachusetts Avenue, E40-469</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">(1 Amherst St., E40-469 - for DHL and FedEx)</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Cambridge, MA 02139<SPAN class="Apple-converted-space"> </SPAN>USA</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Tel:<SPAN class="Apple-converted-space"> </SPAN>1 (617) 258-6368; Fax:<SPAN class="Apple-converted-space"> </SPAN>1 (617) 258-6590</FONT></P> </DIV><BR></BODY></HTML>