DUNCAN

Oil · District 10 · Lease #5171

Operator: MINCO OIL AND GAS MANAGEMENT,LLC

Fields: PANHANDLE GRAY COUNTY FIELD

Cum Oil

5k BBL

Cum Gas

210k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2001-08

Production History

Cum Oil: 5,286 BBL Cum Gas: 210,359 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24 BBL/mo

Di (annual)

6.4%

b-factor

0.0

EUR

4,339 BBL

R-squared

0.534

type

exponential

Operator History (from monthly production reports)

2024-09 — 2026-07 6A PRODUCTION 23 mo

2011-11 — 2024-08 MINCO OIL AND GAS CO. 154 mo

2006-07 — 2011-10 MINCO OIL AND GAS MANAGEMENT,LLC 64 mo

1993-01 — 2006-06 MINCO OIL AND GAS CO. 162 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-179-31434	6A PRODUCTION	1	3,500	1983-07-21
2	42-179-31300	6A PRODUCTION	1	3,500	1982-11-10
1	42-179-31194	6A PRODUCTION	1	3,500	1982-05-24