ROSS

Oil // district 6 // lease#15198

op: CREST RESOURCES, INC.

cum_oil

15k BBL

cum_gas

0 MCF

wells

1

production

2011-06 — 2017-08

peak_month

2012-08

-- production_history

cum_oil: 15,395 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,018 BBL/mo

Di (annual)

74.2%

b-factor

0.1

EUR

18,261 BBL

R-squared

0.708

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HCREST RESOURCES, INC.15,3502010-11-17
EOF // data source: Texas Railroad Commission // 2026