BIRK, C.

Oil · District 09 · Lease #4960

Operator: MORTON, J. V. OIL CO.

Fields: WICHITA COUNTY REGULAR

Cum Oil

1k BBL

Cum Gas

71 MCF

casinghead

Wells

3

Production

1993-01 — 2001-11

Peak Month

2000-08

Production History

Cum Oil: 1,310 BBL Cum Gas: 71 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28 BBL/mo

Di (annual)

106.4%

b-factor

0.0

EUR

303 BBL

R-squared

0.452

type

exponential

Operator History (from monthly production reports)

2007-04 — 2026-07 DE LARIOS, R. V., LTD. 232 mo

2001-01 — 2007-03 DUTTON & BARKER OIL CO 75 mo

1999-12 — 2000-12 DUTTON, BILL 13 mo

1993-01 — 1999-11 MORTON, J. V. OIL CO. 83 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4A	42-485-38313	DE LARIOS R. V. LTD.	2	1,400	1990-10-02
2	42-485-80371	DE LARIOS R. V. LTD.	--	--	--
3	42-485-80372	DE LARIOS R. V. LTD.	--	--	--