UNIVERSITY "B"

Oil · District 7C · Lease #10447

Operator: PARKER & PARSLEY DEVELOPMENT CO.

Cum Oil

32k BBL

Cum Gas

40k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2013-03

Production History

Cum Oil: 32,128 BBL Cum Gas: 39,971 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

284 BBL/mo

Di (annual)

12.8%

b-factor

0.0

EUR

26,563 BBL

R-squared

0.465

type

exponential

Operator History (from monthly production reports)

2023-07 — 2026-07 LAST DOLLAR LLC 37 mo
1994-10 — 2023-06 GOOCH & ISOM 345 mo
1993-01 — 1994-09 PARKER & PARSLEY DEVELOPMENT CO. 21 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3LAST DOLLAR LLC12,6501984-08-16
2LAST DOLLAR LLC12,6501984-03-16
1LAST DOLLAR LLC12,6501983-10-05