DUVAL RANCH SEC. 62

Oil · District 04 · Lease #2874

Operator: SPEED, F. MICHAEL, TRUSTEE

Cum Oil

508k BBL

Cum Gas

21 MCF

casinghead

Wells

28

Production

1993-01 — 2026-04

Peak Month

1993-10

Production History

Cum Oil: 508,267 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,199 BBL/mo

Di (annual)

7.4%

b-factor

0.0

EUR

508,129 BBL

R-squared

0.721

type

exponential

Operator History (from monthly production reports)

1998-09 — 2026-07 DEWBRE, JERRY C., TRUSTEE 335 mo
1993-01 — 1998-08 SPEED, F. MICHAEL, TRUSTEE 68 mo

Wells (28)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
44DEWBRE, JERRY C., TRUSTEE11,6002015-07-10
43DEWBRE, JERRY C., TRUSTEE12,0002012-04-16
42DEWBRE, JERRY C., TRUSTEE12,0002010-10-07
39DEWBRE, JERRY C., TRUSTEE21,4002008-02-22
38DEWBRE, JERRY C., TRUSTEE21,4002002-03-12
37DEWBRE, JERRY C., TRUSTEE21,4002001-05-18
36DEWBRE, JERRY C., TRUSTEE21,5002000-11-22
30DEWBRE, JERRY C., TRUSTEE21,8001999-09-27
35DEWBRE, JERRY C., TRUSTEE11,4001999-09-08
34DEWBRE, JERRY C., TRUSTEE11,4001999-05-27
33DEWBRE, JERRY C., TRUSTEE11,4001999-03-11
29DEWBRE, JERRY C., TRUSTEE11,5001991-07-16
28DEWBRE, JERRY C., TRUSTEE11,5001991-04-08
25DEWBRE, JERRY C., TRUSTEE11,5001990-07-10
19DEWBRE, JERRY C., TRUSTEE21,5001988-11-17
23DEWBRE, JERRY C., TRUSTEE12,5001986-12-12
22DEWBRE, JERRY C., TRUSTEE12,4001986-04-01
21DEWBRE, JERRY C., TRUSTEE11,4501986-01-07
20DEWBRE, JERRY C., TRUSTEE12,2001985-08-28
18DEWBRE, JERRY C., TRUSTEE11,5001984-11-26
17DEWBRE, JERRY C., TRUSTEE11,5001984-10-09
1242-131-04780DEWBRE, JERRY C., TRUSTEE------
442-131-04773DEWBRE, JERRY C., TRUSTEE------
542-131-04774DEWBRE, JERRY C., TRUSTEE------
642-131-04775DEWBRE, JERRY C., TRUSTEE------
742-131-04776DEWBRE, JERRY C., TRUSTEE------
842-131-04777DEWBRE, JERRY C., TRUSTEE------
942-131-04783DEWBRE, JERRY C., TRUSTEE------