COFFIELD B-4

Oil · District 03 · Lease #13942

Operator: LEONARD, J. A.

Cum Oil

13k BBL

Cum Gas

3k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 13,245 BBL Cum Gas: 2,653 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

63 BBL/mo

Di (annual)

5.0%

b-factor

0.0

EUR

13,831 BBL

R-squared

0.317

type

exponential

Operator History (from monthly production reports)

1996-07 — 2026-07 BETRO, INC. 361 mo
1993-01 — 1996-06 LEONARD, J. A. 42 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BETRO, INC.13,8001984-02-28
1BETRO, INC.13,5001980-09-29