CASS-COUNTISS 20O

Oil · District 08 · Lease #60083

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

247k BBL

Cum Gas

614k MCF

casinghead

Wells

1

Production

2023-06 — 2026-04

Peak Month

2024-01

Production History

Cum Oil: 247,346 BBL Cum Gas: 614,439 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,705 BBL/mo

Di (annual)

391.4%

b-factor

0.8

EUR

338,698 BBL

R-squared

0.930

type

hyperbolic

Operator History (from monthly production reports)

2023-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 38 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15HPIONEER NATURAL RES. USA, INC.210,3912022-10-13