HAYSTACK 6A AND 6

Oil · District 08 · Lease #48384

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

197k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2016-09 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 196,557 BBL Cum Gas: 1,143,510 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,404 BBL/mo

Di (annual)

106.4%

b-factor

0.5

EUR

160,991 BBL

R-squared

0.693

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
4403HPIONEER NATURAL RES. USA, INC.29,3002016-02-24