ROCKER B ZACHRY S

Oil · District 7C · Lease #18924

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

90k BBL

Cum Gas

1.7M MCF

casinghead

Wells

1

Production

2013-03 — 2026-04

Peak Month

2013-05

Production History

Cum Oil: 90,325 BBL Cum Gas: 1,739,481 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,832 BBL/mo

Di (annual)

119.9%

b-factor

0.6

EUR

41,742 BBL

R-squared

0.408

type

hyperbolic

Operator History (from monthly production reports)

2013-03 — 2026-07 PIONEER NATURAL RES. USA, INC. 161 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HPIONEER NATURAL RES. USA, INC.37,4502012-07-20