GRIFFITH, H. E.

Oil · District 8A · Lease #61701

Operator: S & M ROYALTY

Cum Oil

60k BBL

Cum Gas

51 MCF

casinghead

Wells

12

Production

1993-01 — 2025-11

Peak Month

1993-11

Production History

Cum Oil: 59,755 BBL Cum Gas: 51 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

537 BBL/mo

Di (annual)

10.9%

b-factor

0.0

EUR

58,852 BBL

R-squared

0.524

type

exponential

Operator History (from monthly production reports)

2024-06 — 2026-07 GNG OPERATING LLC 26 mo
2024-03 — 2024-05 HATCH, TUCKER ROY 3 mo
2020-04 — 2024-02 R & C OIL COMPANY LLC 47 mo
2010-06 — 2020-03 DESERT PRODUCTION, INC. 118 mo
2004-03 — 2010-05 DRAGON OPERATING, LLC 75 mo
1999-07 — 2004-02 CEDAR BEND OIL COMPANY 56 mo
1993-11 — 1999-06 NEFF, MICKEY OIL COMPANY INC. 68 mo
1993-06 — 1993-10 S & M ROYALTY 5 mo
1993-01 — 1993-05 PLAINS PETROLEUM OPERATING CO. 5 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10NEFF MICKEY OIL COMPANY INC.11,6501979-02-13
8NEFF MICKEY OIL COMPANY INC.11,6501979-02-13
11NEFF MICKEY OIL COMPANY INC.11,6501979-02-02
12NEFF MICKEY OIL COMPANY INC.11,6501979-02-02
9NEFF MICKEY OIL COMPANY INC.11,6501979-02-02
6NEFF MICKEY OIL COMPANY INC.11,6001978-09-15
7NEFF MICKEY OIL COMPANY INC.11,6001978-09-15
4GNG OPERATING LLC11,6001977-12-20
5GNG OPERATING LLC11,6001977-11-21
3GNG OPERATING LLC11,6501977-10-24
142-335-30719GNG OPERATING LLC------
242-335-30838GNG OPERATING LLC------