ORSON-BILLY 139C

Oil · District 08 · Lease #58340

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

360k BBL

Cum Gas

539k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2023-09

Production History

Cum Oil: 359,715 BBL Cum Gas: 539,034 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,308 BBL/mo

Di (annual)

49.2%

b-factor

0.0

EUR

373,170 BBL

R-squared

0.534

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.111,0002022-07-08