JOHNSTON

Oil · District 11 · Lease #62845

Operator: SIERRA LIMA OIL & GAS, LLC

Cum Oil

152k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

1999-03

Production History

Cum Oil: 151,529 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,036 BBL/mo

Di (annual)

12.1%

b-factor

0.2

EUR

123,026 BBL

R-squared

0.955

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DROCKER A OPERATING COMPANY13,7961995-03-02
3ROCKER A OPERATING COMPANY14,3001992-12-10
2ROCKER A WELL SERVICE, INC.14,4001982-10-04
1ROCKER A WELL SERVICE, INC.14,3001980-04-29
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