ROCKER B ZACHRY A

Oil · District 7C · Lease #19050

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

117k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

2015-02 — 2026-04

Peak Month

2015-04

Production History

Cum Oil: 116,697 BBL Cum Gas: 1,792,221 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,580 BBL/mo

Di (annual)

133.1%

b-factor

0.6

EUR

115,250 BBL

R-squared

0.830

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.29,4412014-10-07