GRAY, COLUMBUS, ETAL

Oil // district 10 // lease#1637

op: VAQUERO PERMIAN, LLC

cum_oil

142k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2013-01

-- production_history

cum_oil: 142,059 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

624 BBL/mo

Di (annual)

8.0%

b-factor

1.0

EUR

150,733 BBL

R-squared

0.536

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1930ENCORE OPERATING, L.P.310,4002004-05-12
1907ENCORE OPERATING, L.P.29,5002003-06-19
1911CHEVRON U. S. A. INC.15,9001980-10-01
17 LCHEVRON U. S. A. INC.26,0001978-09-11
EOF // multi-state drilling data platform // 2026