KELLEY "A"

Oil · District 10 · Lease #6060

Operator: SARGECO, INC.

Cum Oil

15k BBL

Cum Gas

916k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 14,654 BBL Cum Gas: 915,855 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

98 BBL/mo

Di (annual)

8.3%

b-factor

0.0

EUR

13,952 BBL

R-squared

0.760

type

exponential

Operator History (from monthly production reports)

2018-10 — 2026-07 PONDEROSA TX OPERATING LLC 94 mo
2012-11 — 2018-09 SARGECO, INC. 71 mo
1993-01 — 2012-10 EXXCEL PRODUCTION COMPANY 238 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PONDEROSA TX OPERATING LLC13,6501984-10-25
2PONDEROSA TX OPERATING LLC13,6501984-10-23
3PONDEROSA TX OPERATING LLC13,6501984-10-23