MADISON

Oil · District 7C · Lease #15945

Operator: ST. MARY LAND & EXPLORATION CO.

Fields: SPRABERRY (TREND AREA)

Cum Oil

216k BBL

Cum Gas

643k MCF

casinghead

Wells

3

Production

2006-04 — 2022-05

Peak Month

2006-09

Production History

Cum Oil: 216,216 BBL Cum Gas: 643,438 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,096 BBL/mo

Di (annual)

34.4%

b-factor

0.3

EUR

201,227 BBL

R-squared

0.802

type

hyperbolic

Operator History (from monthly production reports)

2010-07 — 2026-07 SM ENERGY COMPANY 193 mo

2006-12 — 2010-06 ST. MARY LAND & EXPLORATION CO. 43 mo

2006-04 — 2006-11 HENRY PETROLEUM LP 8 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3715	42-461-36073	SM ENERGY COMPANY	1	11,750	2008-09-12
3703	42-461-35052	SM ENERGY COMPANY	1	10,800	2006-03-15
3707	42-461-34992	SM ENERGY COMPANY	1	10,800	2005-12-30