SEBASTIAN 19-18-B

Oil · District 7C · Lease #21193

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

396k BBL

Cum Gas

2.8M MCF

casinghead

Wells

2

Production

2020-04 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 396,055 BBL Cum Gas: 2,792,470 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33,495 BBL/mo

Di (annual)

185.5%

b-factor

0.5

EUR

424,580 BBL

R-squared

0.971

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
4104HPIONEER NATURAL RES. USA, INC.29,5602020-01-21
4304VHPIONEER NATURAL RES. USA, INC.29,8002020-01-21