MARTIN-MASON RANCH UNIT A

Oil · District 01 · Lease #15510

Operator: INEOS USA OIL & GAS LLC

Cum Oil

292k BBL

Cum Gas

144k MCF

casinghead

Wells

2

Production

2010-12 — 2026-04

Peak Month

2012-03

Production History

Cum Oil: 292,325 BBL Cum Gas: 144,369 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,724 BBL/mo

Di (annual)

77.9%

b-factor

0.5

EUR

226,435 BBL

R-squared

0.731

type

hyperbolic

Operator History (from monthly production reports)

2023-04 — 2026-07 INEOS USA OIL & GAS LLC 40 mo
2014-11 — 2023-03 CHESAPEAKE OPERATING, L.L.C. 101 mo
2010-12 — 2014-10 CHESAPEAKE OPERATING, INC. 47 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
U 5HINEOS USA OIL & GAS LLC112,0002011-04-01
1HINEOS USA OIL & GAS LLC19,8502010-04-21