HOUSTON-HERZOG EC12V

Oil · District 08 · Lease #52497

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

553k BBL

Cum Gas

449k MCF

casinghead

Wells

1

Production

2019-06 — 2026-04

Peak Month

2019-07

Production History

Cum Oil: 552,658 BBL Cum Gas: 448,715 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,012 BBL/mo

Di (annual)

27.0%

b-factor

0.0

EUR

490,056 BBL

R-squared

0.363

type

exponential

Operator History (from monthly production reports)

2019-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 86 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
322HPIONEER NATURAL RES. USA, INC.110,1182018-12-19