SEBASTIAN 19-18-E

Oil · District 7C · Lease #21194

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

379k BBL

Cum Gas

1.9M MCF

casinghead

Wells

2

Production

2020-04 — 2026-04

Peak Month

2021-08

Production History

Cum Oil: 378,636 BBL Cum Gas: 1,921,110 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,537 BBL/mo

Di (annual)

110.4%

b-factor

0.1

EUR

320,740 BBL

R-squared

0.954

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2020-04 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 10 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4210HPIONEER NATURAL RES. USA, INC.29,5502020-01-28
4410VHPIONEER NATURAL RES. USA, INC.210,2002020-01-28