TUBB-VAUGHN 21B

Oil · District 08 · Lease #58349

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

193k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2023-06

Production History

Cum Oil: 192,914 BBL Cum Gas: 1,110,352 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,212 BBL/mo

Di (annual)

180.4%

b-factor

0.5

EUR

211,156 BBL

R-squared

0.587

type

hyperbolic

Operator History (from monthly production reports)

2022-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
102HPIONEER NATURAL RES. USA, INC.110,5002022-03-22