OBREGON B

Oil // district 1 // lease#3825

op: STAFFA, DOTTIE R.

fields: DUNLAP

cum_oil

16k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2026-03

peak_month

2001-10

-- production_history

cum_oil: 15,969 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

137 BBL/mo

Di (annual)

12.8%

b-factor

0.3

EUR

16,891 BBL

R-squared

0.514

type

hyperbolic

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11ENTEX EQUITY GROUP, INC.12,5001990-11-05
5ENTEX EQUITY GROUP, INC.12,5001990-11-05
10ENTEX EQUITY GROUP, INC.12,5001990-10-03
4ENTEX EQUITY GROUP, INC.12,5001990-10-03
7KLUTTS & WISE12,8001980-03-04
A 2KLUTTS & WISE12,8001980-03-04
6KLUTTS & WISE12,8001980-02-29
A 1KLUTTS & WISE12,8001980-02-29
142-187-03186--------
242-187-03270--------
342-187-03456--------
EOF // multi-state drilling data platform // 2026