HAYSTACK '6A-6'

Oil · District 08 · Lease #48570

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

318k BBL

Cum Gas

858k MCF

casinghead

Wells

1

Production

2016-09 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 317,719 BBL Cum Gas: 857,870 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,953 BBL/mo

Di (annual)

92.7%

b-factor

0.4

EUR

297,575 BBL

R-squared

0.939

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
4202HPIONEER NATURAL RES. USA, INC.29,1502016-02-19