KATHRYN

Oil · District 7C · Lease #15698

Operator: ST. MARY LAND & EXPLORATION CO.

Cum Oil

737k BBL

Cum Gas

2.3M MCF

casinghead

Wells

15

Production

2005-02 — 2026-04

Peak Month

2006-10

Production History

Cum Oil: 736,973 BBL Cum Gas: 2,282,557 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,392 BBL/mo

Di (annual)

22.6%

b-factor

0.0

EUR

605,822 BBL

R-squared

0.789

type

exponential

Operator History (from monthly production reports)

2010-07 — 2026-07 SM ENERGY COMPANY 193 mo
2006-02 — 2010-06 ST. MARY LAND & EXPLORATION CO. 53 mo
2005-02 — 2006-01 HENRY PETROLEUM LP 12 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4810SM ENERGY COMPANY212,0002008-08-20
4816SM ENERGY COMPANY212,0002008-07-08
4809SM ENERGY COMPANY111,0002008-04-17
4811SM ENERGY COMPANY211,0002007-09-20
4812SM ENERGY COMPANY211,0002007-09-20
4813SM ENERGY COMPANY111,0002007-09-20
4814SM ENERGY COMPANY111,0002007-09-20
4801SM ENERGY COMPANY110,8002006-03-15
4802SM ENERGY COMPANY110,8002006-03-15
4803SM ENERGY COMPANY110,8002006-03-15
4804SM ENERGY COMPANY110,8002006-03-15
4807SM ENERGY COMPANY110,8002005-11-16
4805SM ENERGY COMPANY110,8002005-08-01
4808SM ENERGY COMPANY110,8002005-06-16
4806SM ENERGY COMPANY210,8002004-12-02