< leases

HILL, M. J. -23-

Oil · District 08 · Lease #15342

Operator: SHELL WESTERN E&P

Fields: HALLEY, SOUTH (QUEEN SAND)

Cum Oil

61k BBL

Cum Gas

87k MCF

casinghead

Wells

2

Production

1993-01 — 2020-03

Peak Month

2016-05

Production History

Cum Oil: 60,946 BBL Cum Gas: 86,800 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

514 BBL/mo

Di (annual)

9.7%

b-factor

0.0

EUR

62,875 BBL

R-squared

0.647

type

exponential

Operator History (from monthly production reports)

2022-04 — 2026-07 BASIN OIL & GAS OPERATING, LLC 52 mo
2021-07 — 2022-03 MECO IV HOLDCO, LLC 9 mo
2015-09 — 2021-06 MECO IV, LLC 70 mo
2012-10 — 2015-08 SHELL WESTERN E&P 35 mo
2003-12 — 2012-09 CHESAPEAKE OPERATING, INC. 106 mo
1999-10 — 2003-11 KERR-MCGEE OIL & GAS ONSHORE LLC 50 mo
1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo
1993-01 — 1999-03 ORYX ENERGY COMPANY 75 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2742-495-30266BASIN OIL & GAS OPERATING, LLC45,4501991-05-17
1542-495-05430BASIN OIL & GAS OPERATING LLC------