ROBBINS "397"

Oil · District 7C · Lease #15020

Operator: UNIT PETROLEUM COMPANY

Fields: NIPPLE PEAK, SOUTH (ELLENBURGER)

Cum Oil

58k BBL

Cum Gas

46k MCF

casinghead

Wells

3

Production

2000-07 — 2026-04

Peak Month

2001-03

Production History

Cum Oil: 58,363 BBL Cum Gas: 46,470 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

973 BBL/mo

Di (annual)

35.0%

b-factor

0.4

EUR

53,098 BBL

R-squared

0.820

type

hyperbolic

Operator History (from monthly production reports)

2016-05 — 2026-07 SHAIDA, JOHN H. 123 mo

2005-05 — 2016-04 UNIT PETROLEUM COMPANY 132 mo

2003-01 — 2005-04 PETROCORP INCORPORATED,A TX.CORP 28 mo

2001-11 — 2002-12 PETROCORP ACQUISITION COMPANY 14 mo

2000-10 — 2001-10 SOUTHERN MINERAL CORPORATION 13 mo

2000-07 — 2000-09 AMERAC ENERGY CORPORATION 3 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-081-31794	SHAIDA, JOHN H.	2	6,000	2003-10-08
2W	42-081-31794	SHAIDA, JOHN H.	2	6,000	2003-10-08
1	42-081-31786	SHAIDA, JOHN H.	1	6,100	2000-04-12