SEBASTIAN 19-18-F

Oil · District 7C · Lease #21212

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

470k BBL

Cum Gas

2.8M MCF

casinghead

Wells

2

Production

2020-04 — 2026-04

Peak Month

2021-08

Production History

Cum Oil: 470,154 BBL Cum Gas: 2,781,646 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,284 BBL/mo

Di (annual)

140.2%

b-factor

0.4

EUR

500,480 BBL

R-squared

0.973

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
4111VHPIONEER NATURAL RES. USA, INC.29,6002020-01-29
4311VHPIONEER NATURAL RES. USA, INC.29,9002020-01-29