JOHNSON

Oil · District 05 · Lease #3489

Operator: TEXAS ROYALTY CORP.

Cum Oil

38k BBL

Cum Gas

208k MCF

casinghead

Wells

1

Production

1994-07 — 2023-02

Peak Month

2004-12

Production History

Cum Oil: 38,247 BBL Cum Gas: 208,189 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

296 BBL/mo

Di (annual)

9.7%

b-factor

0.1

EUR

39,441 BBL

R-squared

0.857

type

hyperbolic

Operator History (from monthly production reports)

1994-07 — 2026-07 TEXAS ROYALTY CORP. 385 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TEXAS ROYALTY CORP.16,0001994-05-26