DORCUS

Oil · District 7C · Lease #15489

Operator: ST. MARY LAND & EXPLORATION CO.

Cum Oil

3.9M BBL

Cum Gas

15.2M MCF

casinghead

Wells

53

Production

2003-11 — 2026-04

Peak Month

2016-09

Production History

Cum Oil: 3,876,837 BBL Cum Gas: 15,199,576 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

47,987 BBL/mo

Di (annual)

44.5%

b-factor

0.1

EUR

1,438,325 BBL

R-squared

0.840

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
2003-11 — 2006-11 HENRY PETROLEUM LP 37 mo

Wells (53)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3003WBSM ENERGY COMPANY210,2002022-09-01
3001WBSM ENERGY COMPANY110,2002016-02-26
3002WBSM ENERGY COMPANY110,2002016-02-26
4231HSM ENERGY COMPANY19,8002014-07-02
3031HSM ENERGY COMPANY19,8002014-01-14
3036HSM ENERGY COMPANY19,8002013-12-30
4236HSM ENERGY COMPANY19,8002013-12-30
3035HSM ENERGY COMPANY18,3202013-02-06
2911SM ENERGY COMPANY212,0002010-09-01
4210SM ENERGY COMPANY112,0002010-03-05
3614SM ENERGY COMPANY112,0002009-12-04
2912SM ENERGY COMPANY112,0002009-09-22
4213SM ENERGY COMPANY112,0002008-11-18
3616SM ENERGY COMPANY112,0002008-11-04
4212SM ENERGY COMPANY112,0002008-10-30
3615SM ENERGY COMPANY112,0002008-10-28
4211SM ENERGY COMPANY111,7502008-09-17
4214SM ENERGY COMPANY111,7502008-09-17
3605SM ENERGY COMPANY111,0002008-07-21
3602SM ENERGY COMPANY111,0002008-07-10
3002SM ENERGY COMPANY111,0002008-06-21
3003SM ENERGY COMPANY111,0002008-06-21
3004SM ENERGY COMPANY111,0002008-06-21
3205SM ENERGY COMPANY111,0002008-06-21
1902SM ENERGY COMPANY111,0002008-04-01
4215SM ENERGY COMPANY211,0002008-03-05
4216SM ENERGY COMPANY211,0002008-03-05
2903SM ENERGY COMPANY111,0002007-07-14
2904SM ENERGY COMPANY111,0002007-07-14
3603SM ENERGY COMPANY211,0002007-07-02
3604SM ENERGY COMPANY111,0002007-07-02
3606SM ENERGY COMPANY111,0002007-07-02
3607SM ENERGY COMPANY111,0002007-07-02
1906SM ENERGY COMPANY111,0002007-05-30
1907SM ENERGY COMPANY111,0002007-05-18
1905SM ENERGY COMPANY111,0002007-05-08
4204SM ENERGY COMPANY111,0002007-05-08
4209SM ENERGY COMPANY110,8002006-11-10
4208SM ENERGY COMPANY110,8002006-09-15
4203SM ENERGY COMPANY110,8002006-05-03
4202SM ENERGY COMPANY110,8002006-02-27
4207SM ENERGY COMPANY110,8002005-12-30
1908SM ENERGY COMPANY110,8002005-11-10
3608SM ENERGY COMPANY110,8002005-10-13
3005SM ENERGY COMPANY110,8002005-09-28
3006SM ENERGY COMPANY110,8002005-07-18
4205SM ENERGY COMPANY110,8002005-06-16
2907SM ENERGY COMPANY210,8002005-05-18
3007SM ENERGY COMPANY110,8002004-12-07
3601SM ENERGY COMPANY210,8002004-10-13
4201SM ENERGY COMPANY210,8002004-08-03
2901SM ENERGY COMPANY110,5002004-01-29
3201SM ENERGY COMPANY210,5002003-05-08