GLASS -P-

Oil · District 08 · Lease #31522

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

64k BBL

Cum Gas

291k MCF

casinghead

Wells

1

Production

1993-01 — 2020-03

Peak Month

1993-03

Production History

Cum Oil: 63,966 BBL Cum Gas: 291,372 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

321 BBL/mo

Di (annual)

5.2%

b-factor

0.2

EUR

75,260 BBL

R-squared

0.674

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-04 PIONEER NATURAL RES. USA, INC. 344 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.212,6001987-08-27