HARPER '1-12'

Oil · District 08 · Lease #49482

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

259k BBL

Cum Gas

910k MCF

casinghead

Wells

1

Production

2017-07 — 2026-04

Peak Month

2017-08

Production History

Cum Oil: 259,110 BBL Cum Gas: 910,153 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,777 BBL/mo

Di (annual)

19.9%

b-factor

0.0

EUR

227,539 BBL

R-squared

0.316

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-07 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 43 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2805HPIONEER NATURAL RES. USA, INC.29,2002017-02-15