MCKNIGHT, M. B. -A-

Oil · District 08 · Lease #8786

Operator: N & O OIL CO.

Cum Oil

130k BBL

Cum Gas

412k MCF

casinghead

Wells

12

Production

1993-01 — 2024-11

Peak Month

1993-01

Production History

Cum Oil: 129,882 BBL Cum Gas: 412,258 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,105 BBL/mo

Di (annual)

10.6%

b-factor

0.0

EUR

124,220 BBL

R-squared

0.886

type

exponential

Operator History (from monthly production reports)

2021-12 — 2026-07 HEIFER PRODUCTION COMPANY LLC 56 mo
2017-11 — 2021-11 ARCH OIL & GAS, LLC 49 mo
2016-06 — 2017-10 7S OIL & GAS, LLC 17 mo
2013-04 — 2016-05 N & O OIL CO. 38 mo
1999-09 — 2013-03 GUADALUPE PROPERTIES, LLC 163 mo
1993-01 — 1999-08 ALPS OIL COMPANY 80 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HEIFER PRODUCTION COMPANY LLC13,6001990-09-25
11HEIFER PRODUCTION COMPANY LLC13,6001989-08-01
3RHEIFER PRODUCTION COMPANY LLC13,6001984-03-19
10HEIFER PRODUCTION COMPANY LLC13,6001983-08-12
9HEIFER PRODUCTION COMPANY LLC13,6001982-08-20
8HEIFER PRODUCTION COMPANY LLC13,6001982-02-03
7HEIFER PRODUCTION COMPANY LLC13,6001981-09-30
6HEIFER PRODUCTION COMPANY LLC13,6001980-01-22
142-103-03154HEIFER PRODUCTION COMPANY LLC------
242-103-03170HEIFER PRODUCTION COMPANY LLC------
442-103-03163HEIFER PRODUCTION COMPANY LLC------
542-103-03162HEIFER PRODUCTION COMPANY LLC------