ORSON-BILLY 139D

Oil · District 08 · Lease #58397

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

239k BBL

Cum Gas

340k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 238,575 BBL Cum Gas: 339,580 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,674 BBL/mo

Di (annual)

278.5%

b-factor

2.0

EUR

790,855 BBL

R-squared

0.501

type

hyperbolic

Operator History (from monthly production reports)

2022-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HPIONEER NATURAL RES. USA, INC.111,0002022-07-08