HOLBEIN

Oil // district 4 // lease#9688

op: DEWBRE PETROLEUM CORPORATION

cum_oil

25k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2008-07

peak_month

1993-08

-- production_history

cum_oil: 25,268 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

807 BBL/mo

Di (annual)

51.6%

b-factor

0.0

EUR

18,747 BBL

R-squared

0.863

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
23CORPUS CHRISTI LEASEHOLDS, INC.15,0001991-08-14
19CORPUS CHRISTI OIL & GAS CO.15,0001989-08-11
10CORPUS CHRISTI OIL & GAS CO.15,0001984-06-05
3CORPUS CHRISTI OIL & GAS CO.17,3001980-11-12
EOF // multi-state drilling data platform // 2026