HAYSTACK 6A-6

Oil · District 08 · Lease #48097

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

197k BBL

Cum Gas

965k MCF

casinghead

Wells

1

Production

2016-09 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 196,892 BBL Cum Gas: 964,712 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,072 BBL/mo

Di (annual)

194.1%

b-factor

0.6

EUR

246,780 BBL

R-squared

0.816

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2016-09 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 53 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4401HPIONEER NATURAL RES. USA, INC.29,3002016-02-19