SEBASTIAN 19-18-C

Oil · District 7C · Lease #21183

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

387k BBL

Cum Gas

2.3M MCF

casinghead

Wells

2

Production

2020-04 — 2026-04

Peak Month

2021-04

Production History

Cum Oil: 386,576 BBL Cum Gas: 2,299,785 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

49,135 BBL/mo

Di (annual)

240.5%

b-factor

0.4

EUR

408,171 BBL

R-squared

0.964

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
4206HPIONEER NATURAL RES. USA, INC.29,6502020-01-23
4405VHPIONEER NATURAL RES. USA, INC.210,2002020-01-23