CASS-COUNTISS 20I

Oil · District 08 · Lease #59941

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

331k BBL

Cum Gas

848k MCF

casinghead

Wells

1

Production

2023-05 — 2026-04

Peak Month

2024-03

Production History

Cum Oil: 331,367 BBL Cum Gas: 848,468 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,040 BBL/mo

Di (annual)

167.2%

b-factor

0.3

EUR

308,124 BBL

R-squared

0.878

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.210,3912022-10-14