LACKEY

Oil · District 01 · Lease #12027

Operator: SAN ANTONIO GAS & OIL, INC.

Fields: DALE-MCBRIDE

Cum Oil

38k BBL

Cum Gas

7k MCF

casinghead

Wells

4

Production

1993-01 — 2025-12

Peak Month

1993-01

Production History

Cum Oil: 38,270 BBL Cum Gas: 7,097 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

211 BBL/mo

Di (annual)

6.5%

b-factor

0.0

EUR

37,437 BBL

R-squared

0.618

type

exponential

Operator History (from monthly production reports)

2024-09 — 2026-07 PROLINE ENERGY RESOURCES INC 23 mo
2005-10 — 2024-08 HAZELETT OIL, INC. 227 mo
1994-06 — 2005-09 HAZELETT OIL COMPANY, INC. 136 mo
1993-10 — 1994-05 GULFSTAR PROPERTIES, INC. 8 mo
1993-01 — 1993-09 SAN ANTONIO GAS & OIL, INC. 9 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PROLINE ENERGY RESOURCES INC12,5001988-09-07
4PROLINE ENERGY RESOURCES INC12,5001988-09-07
2PROLINE ENERGY RESOURCES INC12,5001988-08-01
1PROLINE ENERGY RESOURCES INC12,5001988-03-17