JOHNSTON, C. B.

Oil · District 8A · Lease #4614

Operator: SIERRA LIMA OIL & GAS, LLC

Fields: P. H. D.

Cum Oil

15k BBL

Cum Gas

6k MCF

casinghead

Wells

3

Production

1993-01 — 2006-06

Peak Month

1996-06

Production History

Cum Oil: 14,590 BBL Cum Gas: 5,898 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

138 BBL/mo

Di (annual)

10.9%

b-factor

0.0

EUR

15,065 BBL

R-squared

0.445

type

exponential

Operator History (from monthly production reports)

2025-12 — 2026-07 AVIATOR ENERGY, LLC 8 mo
2024-12 — 2025-11 SIERRA LIMA OIL & GAS, LLC 12 mo
2022-09 — 2024-11 BURK ROYALTY CO., LTD. 27 mo
1993-01 — 2022-08 ROCKER A OPERATING COMPANY 356 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3AVIATOR ENERGY, LLC14,3001992-12-10
1WAVIATOR ENERGY LLC13,9501985-04-23
542-169-01351AVIATOR ENERGY LLC------