< leases

MCELROY RANCH "F"

Oil · District 7C · Lease #13644

Operator: UMC PETROLEUM CORPORATION

Fields: BLOCK 42 (WICHITA ALBANY)

Cum Oil

8k BBL

Cum Gas

50k MCF

casinghead

Wells

2

Production

1994-04 — 2002-04

Peak Month

1994-05

Production History

Cum Oil: 7,803 BBL Cum Gas: 50,066 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

386 BBL/mo

Di (annual)

386.9%

b-factor

1.4

EUR

11,865 BBL

R-squared

0.401

type

hyperbolic

Operator History (from monthly production reports)

2006-01 — 2014-08 DEVON ENERGY PRODUCTION CO, L.P. 104 mo
2003-09 — 2005-12 DEVON LOUISIANA CORPORATION 28 mo
1998-08 — 2003-08 OCEAN ENERGY, INC. 61 mo
1995-10 — 1998-07 UMC PETROLEUM CORPORATION 34 mo
1995-02 — 1995-09 PENNZOIL EXPLORATION & PROD. CO. 8 mo
1994-04 — 1995-01 PENNZOIL PETROLEUM COMPANY 10 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1042-461-10055DIAMONDBACK E&P LLC29,6282003-03-04
542-461-10076DIAMONDBACK E&P LLC19,7381994-04-19