TUBB-VAUGHN 21A

Oil · District 08 · Lease #58110

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

251k BBL

Cum Gas

505k MCF

casinghead

Wells

1

Production

2022-10 — 2026-04

Peak Month

2022-12

Production History

Cum Oil: 251,001 BBL Cum Gas: 504,692 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,032 BBL/mo

Di (annual)

307.5%

b-factor

0.4

EUR

202,107 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

2022-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.19,6252022-03-18