MCDONALD

Oil · District 7B · Lease #18587

Operator: DUNAGIN TRANSPORT COMPANY

Cum Oil

44k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 2014-05

Peak Month

1993-05

Production History

Cum Oil: 43,500 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

435 BBL/mo

Di (annual)

15.1%

b-factor

0.3

EUR

46,203 BBL

R-squared

0.818

type

hyperbolic

Operator History (from monthly production reports)

2015-03 — 2016-04 CHOLLA PETROLEUM, INC. 14 mo
2011-06 — 2015-02 BO DUNAGIN OPERATING, LLC 45 mo
2009-11 — 2011-05 DUNAGIN TRANSPORT COMPANY 19 mo
1993-01 — 2009-10 CLEAR FORK, INCORPORATED 202 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CLEAR FORK INCORPORATED15,3001981-12-29