WELCH-COX W39K

Oil · District 08 · Lease #58500

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

335k BBL

Cum Gas

726k MCF

casinghead

Wells

1

Production

2022-09 — 2026-04

Peak Month

2023-07

Production History

Cum Oil: 334,561 BBL Cum Gas: 725,606 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,222 BBL/mo

Di (annual)

135.4%

b-factor

0.5

EUR

382,689 BBL

R-squared

0.842

type

hyperbolic

Operator History (from monthly production reports)

2022-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 47 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
211HPIONEER NATURAL RES. USA, INC.110,6062021-06-02