WALLIN, H.C.

Oil · District 08 · Lease #34648

Operator: UMC PETROLEUM CORPORATION

Cum Oil

226k BBL

Cum Gas

5.0M MCF

casinghead

Wells

3

Production

1995-10 — 2019-10

Peak Month

2001-09

Production History

Cum Oil: 226,262 BBL Cum Gas: 5,046,830 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,881 BBL/mo

Di (annual)

22.5%

b-factor

0.4

EUR

236,052 BBL

R-squared

0.603

type

hyperbolic

Operator History (from monthly production reports)

2016-09 — 2021-12 PIONEER NATURAL RES. USA, INC. 64 mo
2006-01 — 2016-08 DEVON ENERGY PRODUCTION CO, L.P. 128 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

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CHEVRON U. S. A. INC.413,7002010-02-12
1PIONEER NATURAL RES. USA, INC.113,4241996-01-18
242-329-02029PIONEER NATURAL RES. USA, INC.------