K-BIRD '12-13'

Oil · District 7C · Lease #19293

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

379k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2016-02 — 2026-04

Peak Month

2016-04

Production History

Cum Oil: 379,410 BBL Cum Gas: 1,214,374 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,133 BBL/mo

Di (annual)

89.9%

b-factor

0.8

EUR

441,803 BBL

R-squared

0.810

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2016-02 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 60 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4401HPIONEER NATURAL RES. USA, INC.19,5002015-11-20