MASTERSON "D"

Oil · District 10 · Lease #4668

Operator: SNW OPERATING COMPANY

Cum Oil

25k BBL

Cum Gas

159k MCF

casinghead

Wells

5

Production

1993-01 — 2021-01

Peak Month

1994-10

Production History

Cum Oil: 25,373 BBL Cum Gas: 159,260 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

127 BBL/mo

Di (annual)

10.5%

b-factor

0.0

EUR

14,426 BBL

R-squared

0.305

type

exponential

Operator History (from monthly production reports)

2024-10 — 2026-07 SNW OPERATING COMPANY 22 mo
2019-01 — 2024-09 POLARIS OPERATING, LLC 69 mo
2006-05 — 2018-12 ADAMS AFFILIATES, INC. 152 mo
2000-01 — 2006-04 BIRD CREEK RESOURCES, INC. 76 mo
1998-07 — 1999-12 JETTA OPERATING COMPANY, INC. 18 mo
1993-01 — 1998-06 COASTAL OIL & GAS CORPORATION 66 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1404SSNW OPERATING COMPANY12,3001984-07-12
1403SSNW OPERATING COMPANY12,3001984-07-03
1407SSNW OPERATING COMPANY12,3001984-07-03
1408SSNW OPERATING COMPANY12,3001984-07-03
1101SNW OPERATING COMPANY13,5001980-10-15