LANGFORD "A"

Oil · District 7B · Lease #16215

Operator: VAN OPERATING, LTD.

Fields: LANGFORD (DUFFER)

Cum Oil

892 BBL

Cum Gas

42k MCF

casinghead

Wells

1

Production

1993-01 — 1997-07

Peak Month

1996-01

Production History

Cum Oil: 892 BBL Cum Gas: 41,641 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

87 BBL/mo

Di (annual)

811.9%

b-factor

0.6

EUR

273 BBL

R-squared

0.982

type

hyperbolic

Operator History (from monthly production reports)

1995-11 — 1998-10 NECESSITY WELL SERVICE, INC. 36 mo

1995-08 — 1995-10 VAN OPERATING, LTD. 3 mo

1993-01 — 1995-07 JONES COMPANY, LTD. 31 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-429-32529	PARKS, RHONE INC.	1	4,200	1980-05-14