HOUSTON-HERZOG E12F

Oil · District 08 · Lease #52571

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

251k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2019-05 — 2026-04

Peak Month

2019-06

Production History

Cum Oil: 251,287 BBL Cum Gas: 1,018,040 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,648 BBL/mo

Di (annual)

35.2%

b-factor

0.0

EUR

226,908 BBL

R-squared

0.507

type

exponential

Operator History (from monthly production reports)

2019-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 87 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
406HPIONEER NATURAL RES. USA, INC.110,1182018-12-19