WELCH-COX E39U

Oil · District 08 · Lease #59867

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

267k BBL

Cum Gas

876k MCF

casinghead

Wells

1

Production

2023-05 — 2026-04

Peak Month

2023-11

Production History

Cum Oil: 267,170 BBL Cum Gas: 875,679 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,115 BBL/mo

Di (annual)

252.7%

b-factor

0.8

EUR

441,796 BBL

R-squared

0.940

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
321HPIONEER NATURAL RES. USA, INC.310,6062021-06-08