® CASE STUDY Application: Characterize Lateral Formation Variability Location: Eagle Ford Shale www.biota.com © 2019 Biota ® Technology. All rights reserved. C H A L L E N G E Operator engaged Biota to determine formation variability along the wellbore lateral. E V A L U A T I O N • Well cuttings were collected every 50’ along the lateral wellbore during drilling. • Subsurface DNA was successfully extracted from well cuttings and used to determine the DNA profile along the lateral. • In order to visualize lateral variation, DNA markers were grouped into DNA families. The top 20 groupings are shown in the graph. R E S U L T S A N D V A L U E • Biota's analysis showed that the first two-thirds of the lateral have a different DNA composition compared to the final one-third of t

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