HIRSCH E 29-17-B

Oil · District 7C · Lease #21191

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

520k BBL

Cum Gas

3.1M MCF

casinghead

Wells

2

Production

2020-04 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 519,878 BBL Cum Gas: 3,146,995 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41,689 BBL/mo

Di (annual)

119.7%

b-factor

0.2

EUR

522,805 BBL

R-squared

0.946

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
4304HPIONEER NATURAL RES. USA, INC.210,0782019-06-10
4104HPIONEER NATURAL RES. USA, INC.29,7582019-06-03