KNICKERBOCKER, J. -A-

Oil · District 1 · Lease #3860

Operator: 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--------
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