GLASSCOCK -C-

Oil · District 08 · Lease #22178

Operator: SANTA FE SNYDER CORPORATION

Cum Oil

186k BBL

Cum Gas

363k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2012-05

Production History

Cum Oil: 185,848 BBL Cum Gas: 363,116 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,333 BBL/mo

Di (annual)

50.6%

b-factor

0.2

EUR

98,662 BBL

R-squared

0.885

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 (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.110,9002011-11-07
6PIONEER NATURAL RES. USA, INC.110,9002011-11-02
4PIONEER NATURAL RES. USA, INC.310,0002006-06-12
3PIONEER NATURAL RES. USA, INC.19,2001990-11-06
142-317-30342PIONEER NATURAL RES. USA, INC.------