HOUSTON-HERZOG EC12B

Oil · District 08 · Lease #56692

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

172k BBL

Cum Gas

242k MCF

casinghead

Wells

1

Production

2021-11 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 171,633 BBL Cum Gas: 242,005 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,446 BBL/mo

Di (annual)

110.4%

b-factor

0.1

EUR

138,329 BBL

R-squared

0.777

type

hyperbolic

Operator History (from monthly production reports)

2021-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 57 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
302HPIONEER NATURAL RES. USA, INC.110,1252021-08-05