PTACEK, OTTO

Oil // district 13 // lease#22205

op: UNITED OPERATING CO.

cum_oil

17k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1995-08

-- production_history

cum_oil: 16,972 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

118 BBL/mo

Di (annual)

10.4%

b-factor

0.0

EUR

13,431 BBL

R-squared

0.363

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BELCO OIL COMPANY, INC.11,6501982-05-25
2BELCO OIL COMPANY, INC.11,6501982-04-05
3BELCO OIL COMPANY, INC.11,6501982-02-11
1BELCO OIL COMPANY, INC.11,6501982-02-10
EOF // multi-state drilling data platform // 2026