GLASS -E-

Oil · District 08 · Lease #22267

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

49k BBL

Cum Gas

173k MCF

casinghead

Wells

2

Production

1993-01 — 2023-10

Peak Month

1993-08

Production History

Cum Oil: 48,606 BBL Cum Gas: 172,984 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

259 BBL/mo

Di (annual)

7.9%

b-factor

0.7

EUR

56,739 BBL

R-squared

0.732

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.19,6001983-10-26
1D42-317-30538PIONEER NATURAL RES. USA INC.------