HOWARD HEIRS

Oil · District 09 · Lease #25549

Operator: DENNIS, DON

Cum Oil

98k BBL

Cum Gas

401 MCF

casinghead

Wells

10

Production

1993-01 — 2026-04

Peak Month

2001-03

Production History

Cum Oil: 98,000 BBL Cum Gas: 401 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,355 BBL/mo

Di (annual)

70.6%

b-factor

0.7

EUR

57,658 BBL

R-squared

0.950

type

hyperbolic

Operator History (from monthly production reports)

1998-04 — 2026-07 DENNIS & DAVIS OIL CO. 340 mo
1993-01 — 1998-03 DENNIS, DON 63 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11DENNIS & DAVIS OIL CO.12,0002000-10-05
10DENNIS & DAVIS OIL CO.11,0001993-12-06
9DENNIS & DAVIS OIL CO.11,0001993-12-06
8DENNIS & DAVIS OIL CO.11,0001988-03-28
6DENNIS & DAVIS OIL CO.11,0001987-10-08
5DENNIS & DAVIS OIL CO.11,0501987-08-11
4DENNIS & DAVIS OIL CO.19501986-01-29
3DENNIS & DAVIS OIL CO.19501985-11-21
2DENNIS & DAVIS OIL CO.19501985-10-21
1DENNIS & DAVIS OIL CO.11,6001985-06-24