GUOKAS, CHARLES

Oil · District 05 · Lease #2890

Operator: ROBERTS & HAMMACK, INC.

Cum Oil

22k BBL

Cum Gas

12k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1995-07

Production History

Cum Oil: 21,566 BBL Cum Gas: 11,829 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

91 BBL/mo

Di (annual)

3.9%

b-factor

0.0

EUR

24,016 BBL

R-squared

0.725

type

exponential

Operator History (from monthly production reports)

2007-03 — 2026-07 ROBERTS & HAMMACK INC. 233 mo
1993-01 — 2007-02 ROBERTS & HAMMACK, INC. 170 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ROBERTS & HAMMACK INC.16,1001984-12-31