WELCH-COX E39S

Oil · District 08 · Lease #59913

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

259k BBL

Cum Gas

839k MCF

casinghead

Wells

1

Production

2023-05 — 2026-04

Peak Month

2024-03

Production History

Cum Oil: 258,586 BBL Cum Gas: 838,816 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,009 BBL/mo

Di (annual)

360.8%

b-factor

1.3

EUR

729,243 BBL

R-squared

0.927

type

hyperbolic

Operator History (from monthly production reports)

2023-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 39 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
319HPIONEER NATURAL RES. USA, INC.210,6062021-06-03