HOUSTON-HERZOG EC12A

Oil · District 08 · Lease #56691

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

159k BBL

Cum Gas

238k MCF

casinghead

Wells

1

Production

2021-11 — 2026-04

Peak Month

2021-12

Production History

Cum Oil: 158,505 BBL Cum Gas: 238,133 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,115 BBL/mo

Di (annual)

97.0%

b-factor

0.3

EUR

160,932 BBL

R-squared

0.718

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
301HPIONEER NATURAL RES. USA, INC.110,1252021-08-05