REXENE

Oil · District 7C · Lease #16107

Operator: ST. MARY LAND & EXPLORATION CO.

Cum Oil

206k BBL

Cum Gas

498k MCF

casinghead

Wells

4

Production

2007-01 — 2026-04

Peak Month

2008-06

Production History

Cum Oil: 205,796 BBL Cum Gas: 498,366 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,432 BBL/mo

Di (annual)

61.2%

b-factor

0.5

EUR

163,034 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

2010-07 — 2026-07 SM ENERGY COMPANY 193 mo
2007-01 — 2010-06 ST. MARY LAND & EXPLORATION CO. 42 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4702SM ENERGY COMPANY111,0002007-07-02
4706SM ENERGY COMPANY110,8002006-12-05
4708SM ENERGY COMPANY110,8002006-11-27
4704SM ENERGY COMPANY110,8002006-08-30