ROBBIE '17-8'

Oil · District 7C · Lease #19152

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

354k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2015-10 — 2026-04

Peak Month

2015-11

Production History

Cum Oil: 353,868 BBL Cum Gas: 1,279,660 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,116 BBL/mo

Di (annual)

24.9%

b-factor

0.0

EUR

294,753 BBL

R-squared

0.429

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2015-10 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4204HPIONEER NATURAL RES. USA, INC.19,5002015-07-13