GLASS -R-

Oil · District 08 · Lease #31463

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

80k BBL

Cum Gas

166k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2000-05

Production History

Cum Oil: 80,468 BBL Cum Gas: 165,628 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

346 BBL/mo

Di (annual)

6.7%

b-factor

1.2

EUR

95,441 BBL

R-squared

0.716

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA, INC.29,7001987-08-07