JOHNSTON -P-

Oil · District 01 · Lease #4773

Operator: VAC-U-LIFT PRODUCTION CO.,INC.

Cum Oil

3k BBL

Cum Gas

10 MCF

casinghead

Wells

10

Production

1993-01 — 1997-09

Peak Month

1993-02

Production History

Cum Oil: 2,526 BBL Cum Gas: 10 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

147 BBL/mo

Di (annual)

70.7%

b-factor

0.0

EUR

2,483 BBL

R-squared

0.363

type

exponential

Operator History (from monthly production reports)

1996-07 — 2026-07 VAC-U-LIFT PRODUCTION CO.,INC. 361 mo
1995-09 — 1996-06 NELMS BROS. OIL PROPERTIES INC. 10 mo
1995-03 — 1995-08 GINCO OPERATING CO. 6 mo
1994-11 — 1995-02 PEARSALL ENERGY GROUP, INC. 4 mo
1994-10 — 1994-10 MOBILE PRODUCTION SYSTEMS, INC. 1 mo
1994-09 — 1994-09 PENROD OIL COMPANY OF TEXAS, INC 1 mo
1993-01 — 1994-08 TEXAN PRODUCTION 20 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2VAC-U-LIFT PRODUCTION CO. INC.15,5701991-11-06
142-163-30347VAC-U-LIFT PRODUCTION CO. INC.------
1042-163-30419VAC-U-LIFT PRODUCTION CO. INC.------
1142-163-30582VAC-U-LIFT PRODUCTION CO. INC.------
342-163-30356VAC-U-LIFT PRODUCTION CO. INC.------
442-163-30360VAC-U-LIFT PRODUCTION CO. INC.------
542-163-30362VAC-U-LIFT PRODUCTION CO. INC.------
642-163-30393VAC-U-LIFT PRODUCTION CO. INC.------
742-163-30363VAC-U-LIFT PRODUCTION CO. INC.------
842-163-30372VAC-U-LIFT PRODUCTION CO. INC.------