TUBB-VAUGHN 21J

Oil · District 08 · Lease #58191

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

460k BBL

Cum Gas

907k MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2023-04

Production History

Cum Oil: 460,081 BBL Cum Gas: 906,791 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,457 BBL/mo

Di (annual)

117.5%

b-factor

0.4

EUR

379,335 BBL

R-squared

0.807

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
110HPIONEER NATURAL RES. USA, INC.19,6252022-03-22