EHRIG, ET AL

Oil · District 08 · Lease #25578

Operator: UMC PETROLEUM CORPORATION

Cum Oil

226k BBL

Cum Gas

125k MCF

casinghead

Wells

16

Production

1993-01 — 2026-04

Peak Month

2011-04

Production History

Cum Oil: 225,607 BBL Cum Gas: 125,141 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,389 BBL/mo

Di (annual)

66.5%

b-factor

1.3

EUR

200,854 BBL

R-squared

0.576

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 CRESCENT ENERGY OPERATING, LLC 9 mo
2022-01 — 2025-10 CONTANGO RESOURCES, LLC 46 mo
2021-12 — 2021-12 CONTANGO RESOURCES, INC. 1 mo
2020-04 — 2021-11 FDL OPERATING, LLC 20 mo
2013-02 — 2020-03 SHERIDAN PRODUCTION COMPANY, LLC 86 mo
2010-08 — 2013-01 SANDRIDGE EXPL. AND PROD., LLC 30 mo
2004-12 — 2010-07 OK ARENA OPERATING COMPANY 68 mo
1996-01 — 2004-11 REDCO OIL & GAS INC. 107 mo
1993-01 — 1995-12 UMC PETROLEUM CORPORATION 36 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16CRESCENT ENERGY OPERATING, LLC15,0002012-07-16
19CRESCENT ENERGY OPERATING, LLC15,0002011-10-03
13CRESCENT ENERGY OPERATING, LLC15,0002011-06-16
17CRESCENT ENERGY OPERATING, LLC15,0002011-05-26
11CRESCENT ENERGY OPERATING, LLC15,0002011-05-20
10CRESCENT ENERGY OPERATING, LLC14,9002011-01-07
9CRESCENT ENERGY OPERATING, LLC14,9002011-01-07
12CRESCENT ENERGY OPERATING, LLC14,9002010-12-17
6CRESCENT ENERGY OPERATING, LLC14,9002010-08-04
7CRESCENT ENERGY OPERATING, LLC14,9002010-04-23
8CRESCENT ENERGY OPERATING, LLC14,9002010-03-18
5CRESCENT ENERGY OPERATING, LLC14,9002008-07-16
2CRESCENT ENERGY OPERATING, LLC24,9002008-03-24
4CRESCENT ENERGY OPERATING, LLC14,8002006-09-20
3CRESCENT ENERGY OPERATING, LLC14,8002005-09-14
1CRESCENT ENERGY OPERATING, LLC14,9001979-08-23