KNICKERBOCKER, J. -A-

Oil // district 1 // lease#3860

op: ROLLERT CO., INC., THE

fields: DUNLAP

cum_oil

100k BBL

cum_gas

0 MCF

wells

21

production

1993-01 — 2026-03

peak_month

1997-01

-- production_history

cum_oil: 100,289 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,017 BBL/mo

Di (annual)

20.4%

b-factor

0.4

EUR

91,163 BBL

R-squared

0.907

type

hyperbolic

-- wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21ROLLERT CO., INC., THE12,4001981-12-21
22ROLLERT CO., INC., THE12,4001981-12-21
23ROLLERT CO., INC., THE12,4001981-12-21
24ROLLERT CO., INC., THE12,4001981-12-21
18ROLLERT CO., INC., THE12,3751981-10-15
20ROLLERT CO., INC., THE12,3751981-10-15
17ROLLERT CO., INC., THE12,3751980-06-27
1042-187-03345--------
1142-187-03346--------
1242-187-03364--------
1342-187-30005--------
1442-187-30019--------
1542-187-30019--------
1642-187-30020--------
1WD42-187-80704--------
242-187-03253--------
342-187-03255--------
642-187-03213--------
742-187-03214--------
842-187-03347--------
942-187-03348--------
EOF // multi-state drilling data platform // 2026