ROCKER B ZACHRY C

Oil · District 7C · Lease #19011

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

107k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2015-02 — 2026-04

Peak Month

2015-04

Production History

Cum Oil: 106,606 BBL Cum Gas: 1,579,928 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,621 BBL/mo

Di (annual)

20.7%

b-factor

0.0

EUR

94,061 BBL

R-squared

0.356

type

exponential

Operator History (from monthly production reports)

2015-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 138 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.29,4412014-08-21