UNIVERSITY -15-

Oil · District 7C · Lease #12840

Operator: R K PETROLEUM CORP.

Cum Oil

8k BBL

Cum Gas

45k MCF

casinghead

Wells

1

Production

1993-01 — 1997-11

Peak Month

1993-06

Production History

Cum Oil: 7,853 BBL Cum Gas: 45,032 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

360 BBL/mo

Di (annual)

114.9%

b-factor

0.9

EUR

13,411 BBL

R-squared

0.693

type

hyperbolic

Operator History (from monthly production reports)

1996-02 — 1998-04 ARATEX PRODUCTION COMPANY 27 mo
1993-01 — 1996-01 R K PETROLEUM CORP. 37 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PETX OPERATING LLC18,4001990-04-13