Inner Sleeves, Sponge Core, Full Closure, Pressure Retained, Oriented Core
Trip out of the hole requires planning
“ The Bends”
High Quality Cores Require PLANNING CT image cross-section of 4” OD core in liner Damage due to rapid gas expansion; fast trip Gas bubbles forming “ Critical Gas” bubbles coalescing Tremendous gas expansion
Pumps & Pipes 1 Downhole Coring and Sampling The “Future” of Downhole Coring and Sampling VERY Remote Locations! Lunar Polar Coring Lander Department of Aerospace Engineering and Engineering Mechanics The University of Texas at Austin Thank you!