POST ESTATE "C"

Oil · District 8A · Lease #62584

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Cum Oil

192k BBL

Cum Gas

57k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2012-03

Production History

Cum Oil: 192,169 BBL Cum Gas: 56,819 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,905 BBL/mo

Di (annual)

23.1%

b-factor

0.5

EUR

168,880 BBL

R-squared

0.761

type

hyperbolic

Operator History (from monthly production reports)

2018-01 — 2026-07 BROWN, GEO. R PARTNERSHIP,LP,THE 103 mo
2012-08 — 2017-12 LIME ROCK RESOURCES II-A, L.P. 65 mo
2007-12 — 2012-07 SHERIDAN PRODUCTION COMPANY, LLC 56 mo
2002-12 — 2007-11 AETHON I LP 60 mo
1999-10 — 2002-11 KERR-MCGEE OIL & GAS ONSHORE LLC 38 mo
1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo
1993-01 — 1999-03 ORYX ENERGY COMPANY 75 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
35ABROWN, GEO. R PARTNERSHIP,LP,THE13,9001987-03-25
34BROWN, GEO. R PARTNERSHIP,LP,THE13,9001986-11-10
32BROWN, GEO. R PARTNERSHIP,LP,THE24,0001980-07-25
33WBROWN, GEO. R PARTNERSHIP,LP,THE23,7001980-06-26
31BROWN, GEO. R PARTNERSHIP,LP,THE34,0001979-10-04