ROBBIE 17 AND 8

Oil · District 7C · Lease #19200

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

421k BBL

Cum Gas

2.0M MCF

casinghead

Wells

1

Production

2015-09 — 2026-04

Peak Month

2016-12

Production History

Cum Oil: 420,981 BBL Cum Gas: 1,986,919 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,093 BBL/mo

Di (annual)

418.6%

b-factor

1.0

EUR

462,310 BBL

R-squared

0.912

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2015-09 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 65 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4405HPIONEER NATURAL RES. USA, INC.29,9002015-06-30