SHANKLE

Oil · District 01 · Lease #13275

Operator: MESCALERO ENERGY, INC.

Cum Oil

60k BBL

Cum Gas

18 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2019-12

Production History

Cum Oil: 60,153 BBL Cum Gas: 18 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

432 BBL/mo

Di (annual)

25.7%

b-factor

0.0

EUR

20,135 BBL

R-squared

0.614

type

exponential

Operator History (from monthly production reports)

2002-04 — 2026-07 FRIO OIL & GAS, LTD. 292 mo
1997-10 — 2002-03 LASALLE MARINE CORPORATION 54 mo
1993-04 — 1997-09 MESCALERO ENERGY, INC. 54 mo
1993-01 — 1993-03 DALE OPERATING COMPANY 3 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
01FRIO OIL & GAS, LTD.17,0001991-09-05
1FRIO OIL & GAS, LTD.17,0001991-09-05