Thermal Conductivity (W/m/K) Hole 990A 6R-2 9R-3 14R-3 19R-3 256.9 (mbsf) 244.83 (mbsf) 266.28 (mbsf) 302.76 (mbsf) Needle 326 2.143 1.801 1.934 1.737 1.836 1.919 2.427 2.197 1.770 2.049 1.864 1.796 2.004 2.246 1.885 2.002 1.717 average 1.916 1.943 2.095 1.866 stand. dev. 0.199 0.109 0.235 0.196