GLASSCOCK 5B

Oil · District 08 · Lease #50781

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

324k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2018-04 — 2026-04

Peak Month

2018-05

Production History

Cum Oil: 324,464 BBL Cum Gas: 1,009,718 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,223 BBL/mo

Di (annual)

161.7%

b-factor

0.7

EUR

392,032 BBL

R-squared

0.940

type

hyperbolic

Operator History (from monthly production reports)

2018-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 100 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.111,0002016-01-28