WELCH-COX W39O

Oil · District 08 · Lease #58399

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

251k BBL

Cum Gas

566k MCF

casinghead

Wells

1

Production

2022-08 — 2026-04

Peak Month

2023-06

Production History

Cum Oil: 250,621 BBL Cum Gas: 566,368 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,908 BBL/mo

Di (annual)

131.3%

b-factor

0.3

EUR

233,688 BBL

R-squared

0.798

type

hyperbolic

Operator History (from monthly production reports)

2022-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 48 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
215HPIONEER NATURAL RES. USA, INC.110,6062021-06-03