THUNDERBIRD G 50-51

Oil · District 08 · Lease #56619

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

354k BBL

Cum Gas

572k MCF

casinghead

Wells

1

Production

2022-01 — 2026-04

Peak Month

2022-05

Production History

Cum Oil: 353,991 BBL Cum Gas: 572,368 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,813 BBL/mo

Di (annual)

48.0%

b-factor

0.0

EUR

295,397 BBL

R-squared

0.447

type

exponential

Operator History (from monthly production reports)

2022-01 — 2026-07 PIONEER NATURAL RES. USA, INC. 55 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4307HPIONEER NATURAL RES. USA, INC.210,3602021-02-04