TUBB-VAUGHN 21F

Oil · District 08 · Lease #58351

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

234k BBL

Cum Gas

995k MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2023-08

Production History

Cum Oil: 234,498 BBL Cum Gas: 994,551 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,278 BBL/mo

Di (annual)

65.0%

b-factor

0.0

EUR

226,549 BBL

R-squared

0.551

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
106HPIONEER NATURAL RES. USA, INC.110,5002022-03-22