BRIGHT SKY RANCH

Oil · District 03 · Lease #25588

Operator: SOUTH TEXAS OPERATING COMPANY

Cum Oil

74k BBL

Cum Gas

27k MCF

casinghead

Wells

1

Production

2010-05 — 2026-04

Peak Month

2012-05

Production History

Cum Oil: 73,832 BBL Cum Gas: 27,390 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,603 BBL/mo

Di (annual)

346.5%

b-factor

1.3

EUR

75,013 BBL

R-squared

0.851

type

hyperbolic

Operator History (from monthly production reports)

2020-01 — 2026-07 SOUTH TEXAS OPERATING COMPANY 79 mo
2010-05 — 2019-12 BEXCO OPERATING, INC. 116 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HSOUTH TEXAS OPERATING COMPANY212,5002010-04-05