UNIV. -11- SEC. -13-

Oil · District 08 · Lease #27717

Operator: ARCO PERMIAN

Cum Oil

65k BBL

Cum Gas

645k MCF

casinghead

Wells

3

Production

1993-01 — 2000-01

Peak Month

1994-12

Production History

Cum Oil: 64,731 BBL Cum Gas: 644,568 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,628 BBL/mo

Di (annual)

35.3%

b-factor

0.0

EUR

55,349 BBL

R-squared

0.419

type

exponential

Operator History (from monthly production reports)

1994-06 — 2000-10 ARCO PERMIAN 77 mo
1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BOXY USA INC.46,9001998-12-09
5BOXY USA INC.56,9001998-12-09
6BOXY USA INC.37,6501998-12-09