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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><h2><span style='font-family:"Tahoma","sans-serif"'>MS Thesis Defense<o:p></o:p></span></h2><p class=MsoNormal><b><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:14.0pt;font-family:"Tahoma","sans-serif"'>Study of Dielectric Constant Logging Tools<o:p></o:p></span></b></p><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:14.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:14.0pt;font-family:"Tahoma","sans-serif"'>Chang-Ming Lin<o:p></o:p></span></b></p><p class=MsoNormal align=center style='text-align:center'><b><span style='color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='text-align:center'><b>Location: Well Logging Lab<o:p></o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b>Date: July 10, 2012<o:p></o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b>Time: 11:00 am – 12:00 pm<o:p></o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b><o:p> </o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b>Committee Chair: Dr. Richard Liu<o:p></o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b>Committee Members:<o:p></o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b>Dr. Donald R. Wilton<o:p></o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b>Dr. Heidar Malki<o:p></o:p></b></p><p class=MsoNormal align=center style='text-align:center'><b><span style='color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:6.0pt;margin-right:0in;margin-bottom:6.0pt;margin-left:0in;mso-margin-top-alt:.5gd;mso-para-margin-right:0in;mso-para-margin-bottom:.5gd;mso-para-margin-left:0in;text-align:justify;text-indent:21.0pt;line-height:150%'><span style='font-family:"Arial","sans-serif"'>One of the important issues of well logging is to determine the water saturation from the oil bearing formation. The induction resistivity tool may finish the job if the water is fairly saline. In fresh water, the induction tool is difficult to figure out the exact water saturation and oil/gas contents. Therefore, it is crucial that there be a method to determine water saturation that is less dependent upon the knowledge of water salinity thus making it of great use in fresh water zones. Dielectric constant logging tools offer an attractive new method of formation evaluation, which is relatively independent of water salinity. </span><span style='font-size:10.0pt;line-height:150%;font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:6.0pt;margin-right:0in;margin-bottom:6.0pt;margin-left:0in;mso-margin-top-alt:.5gd;mso-para-margin-right:0in;mso-para-margin-bottom:.5gd;mso-para-margin-left:0in;text-align:justify;text-indent:21.0pt;line-height:150%'><span style='font-family:"Arial","sans-serif"'>In this thesis, a dipole model is developed in that it consists of three infinitesimal dipoles: one for the transmitter and the other two for the receivers. The model, then, is used to simulate the dielectric constant tool responses by measuring the amplitude ratios and phase shifts in both homogeneous and inhomogeneous layered formation. The results show a good agreement with the experimental data and theoretical results published in previous studies. Moreover, the numerical results portray that the dipole model accurately provides a decent estimation of the formation dielectric properties compared to other models. <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>