RICHTER

Oil · District 03 · Lease #22196

Operator: UNION PACIFIC AUSTIN CHALK CO.

Cum Oil

127k BBL

Cum Gas

147k MCF

casinghead

Wells

1

Production

1993-08 — 2026-04

Peak Month

1993-09

Production History

Cum Oil: 127,261 BBL Cum Gas: 147,347 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,950 BBL/mo

Di (annual)

306.0%

b-factor

0.4

EUR

176,315 BBL

R-squared

0.831

type

hyperbolic

Operator History (from monthly production reports)

1999-12 — 2026-07 TEX-LEE OPERATING COMPANY 320 mo
1995-05 — 1999-11 UNION PACIFIC AUSTIN CHALK CO. 55 mo
1993-08 — 1995-04 GEMINI EXPLORATION COMPANY 21 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TEX-LEE OPERATING COMPANY310,0001993-07-12