MANFORD

Oil // district 1 // lease#5821

op: SERRA ENERGY, INC.

cum_oil

4k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2022-07

peak_month

1994-11

-- production_history

cum_oil: 4,095 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

97 BBL/mo

Di (annual)

32.8%

b-factor

0.0

EUR

3,516 BBL

R-squared

0.359

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SWLOCKHART OIL & GAS13,3001988-02-17
8VOIGT, HENRY M.12,7501985-04-09
6VOIGT, HENRY M.12,8001981-08-28
3VOIGT, HENRY M.12,7701978-04-17
EOF // multi-state drilling data platform // 2026