HAZELWOOD -B-

Oil · District 08 · Lease #21752

Operator: SANTA FE SNYDER CORPORATION

Cum Oil

107k BBL

Cum Gas

202k MCF

casinghead

Wells

4

Production

1993-01 — 2025-08

Peak Month

2005-04

Production History

Cum Oil: 106,859 BBL Cum Gas: 202,399 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

663 BBL/mo

Di (annual)

13.6%

b-factor

0.3

EUR

77,251 BBL

R-squared

0.654

type

hyperbolic

Operator History (from monthly production reports)

2004-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 268 mo
2000-12 — 2004-03 MERIT ENERGY COMPANY 40 mo
2000-11 — 2000-11 DEVON SFS OPERATING, INC. 1 mo
1999-11 — 2000-10 SANTA FE SNYDER CORPORATION 12 mo
1993-01 — 1999-10 SANTA FE ENERGY RESOURCES, INC. 82 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.110,0002004-10-12
3PIONEER NATURAL RES. USA INC.19,1501997-11-13
142-317-30151PIONEER NATURAL RES. USA INC.------
242-317-30152PIONEER NATURAL RES. USA INC.------