THUNDERBIRD AA 50-51

Oil · District 08 · Lease #57491

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

296k BBL

Cum Gas

710k MCF

casinghead

Wells

1

Production

2022-04 — 2026-04

Peak Month

2022-08

Production History

Cum Oil: 296,385 BBL Cum Gas: 709,548 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,319 BBL/mo

Di (annual)

108.5%

b-factor

0.3

EUR

273,296 BBL

R-squared

0.788

type

hyperbolic

Operator History (from monthly production reports)

2022-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 52 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.210,3602021-02-04