< leases

KLOPEK

Oil · District 01 · Lease #12417

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

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

4k BBL

Cum Gas

2k MCF

casinghead

Wells

5

Production

1993-01 — 1997-09

Peak Month

1993-01

Production History

Cum Oil: 4,099 BBL Cum Gas: 2,379 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

765 BBL/mo

Di (annual)

627.2%

b-factor

0.6

EUR

3,436 BBL

R-squared

0.676

type

hyperbolic

Operator History (from monthly production reports)

1996-07 — 2026-07 VAC-U-LIFT PRODUCTION CO.,INC. 361 mo
1996-02 — 1996-06 NELMS BROS. OIL PROPERTIES INC. 5 mo
1995-04 — 1996-01 S & L OIL FIELD SERVICES 10 mo
1994-08 — 1995-03 COLT OPERATING CORPORATION 8 mo
1994-05 — 1994-07 GILLCO OIL SERVICE, INC. 3 mo
1993-01 — 1994-04 DURST OIL COMPANY 16 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-163-30538VAC-U-LIFT PRODUCTION CO.,INC.16,8981995-05-08
542-163-33046VAC-U-LIFT PRODUCTION CO. INC.17,2001991-04-03
442-163-32893VAC-U-LIFT PRODUCTION CO. INC.27,5001990-10-23
242-163-30713VAC-U-LIFT PRODUCTION CO. INC.27,0001990-07-26
342-163-30970VAC-U-LIFT PRODUCTION CO. INC.17,0001990-02-08