DEVON

Oil · District 7B · Lease #30927

Operator: EXTEX OPERATING COMPANY

Cum Oil

189k BBL

Cum Gas

539k MCF

casinghead

Wells

3

Production

2010-12 — 2026-03

Peak Month

2014-07

Production History

Cum Oil: 189,351 BBL Cum Gas: 539,315 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,241 BBL/mo

Di (annual)

57.3%

b-factor

0.4

EUR

144,585 BBL

R-squared

0.955

type

hyperbolic

Operator History (from monthly production reports)

2026-03 — 2026-07 EXTEX OPERATING COMPANY 5 mo
2010-12 — 2026-02 CHOLLA PETROLEUM, INC. 183 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3EXTEX OPERATING COMPANY17,4992013-01-23
2EXTEX OPERATING COMPANY17,4992012-09-26
1EXTEX OPERATING COMPANY27,4992010-09-10