WOLTERS ESTATE

Oil · District 7C · Lease #8333

Operator: RP OPERATING, L.L.C.

Fields: SPRABERRY (TREND AREA)

Cum Oil

45k BBL

Cum Gas

127k MCF

casinghead

Wells

3

Production

1993-01 — 2020-05

Peak Month

2006-06

Production History

Cum Oil: 45,066 BBL Cum Gas: 127,497 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

286 BBL/mo

Di (annual)

8.1%

b-factor

0.0

EUR

41,470 BBL

R-squared

0.826

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 RP OPERATING, L.L.C. 31 mo

2018-03 — 2023-12 DISCOVERY NATURAL RESOURCES LLC 70 mo

2003-10 — 2018-02 JM COX RESOURCES, L.P. 173 mo

1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-383-31590	RP OPERATING L.L.C.	1	6,500	1980-02-27
2	42-383-31588	RP OPERATING L.L.C.	1	6,500	1980-02-27
3	42-383-31589	RP OPERATING L.L.C.	1	6,500	1980-02-27