ROCKER B ZACHRY R

Oil · District 7C · Lease #18933

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

110k BBL

Cum Gas

1.7M MCF

casinghead

Wells

1

Production

2013-05 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 109,545 BBL Cum Gas: 1,694,836 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,367 BBL/mo

Di (annual)

67.1%

b-factor

0.3

EUR

111,239 BBL

R-squared

0.724

type

hyperbolic

Operator History (from monthly production reports)

2013-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 159 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18HPIONEER NATURAL RES. USA, INC.37,5612012-07-19