GRANT

Oil · District 08 · Lease #14602

Operator: SWJN OIL COMPANY

Cum Oil

104k BBL

Cum Gas

23 MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

2018-07

Production History

Cum Oil: 104,051 BBL Cum Gas: 23 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,159 BBL/mo

Di (annual)

29.9%

b-factor

1.5

EUR

173,000 BBL

R-squared

0.648

type

hyperbolic

Operator History (from monthly production reports)

2013-07 — 2026-07 SWJN OIL COMPANY 157 mo
2012-03 — 2013-06 MARTINEAU PETROLEUM, INC. 16 mo
2008-02 — 2012-02 NRPC OPERATING, LLC 49 mo
2006-04 — 2008-01 MIDLAND OPERATING, INC. 22 mo
1996-09 — 2006-03 CHAMBERS OPERATING, INC. 115 mo
1993-01 — 1996-08 PATRIOT SERVICES, INC. 44 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6SWJN OIL COMPANY13,3002018-03-14
5SWJN OIL COMPANY13,3002017-10-25
4SWJN OIL COMPANY13,0001981-04-08
2SWJN OIL COMPANY13,0001981-02-23
142-335-00830SWJN OIL COMPANY------
342-335-30676SWJN OIL COMPANY------