SOUTH TEXAS SYNDICATE -A-

Oil // district 1 // lease#6497

op: WHITING PETROLEUM CORPORATION

cum_oil

201k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 200,649 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

722 BBL/mo

Di (annual)

3.0%

b-factor

0.0

EUR

223,021 BBL

R-squared

0.363

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
22WHITING OIL AND GAS CORPORATION24,8002012-11-28
19AMERICAN COMETRA, INC.22,4001991-12-02
20AMERICAN COMETRA, INC.12,3501991-12-02
14NEWMAN BROTHERS DRILLING COMPANY14,0001984-04-12
13SKINNER CORP-NEWMAN BROS.DRLG.CO12,4001980-04-25
EOF // multi-state drilling data platform // 2026