BAST '34-39'

Oil · District 7C · Lease #19789

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

828k BBL

Cum Gas

5.2M MCF

casinghead

Wells

2

Production

2017-03 — 2026-04

Peak Month

2017-04

Production History

Cum Oil: 827,507 BBL Cum Gas: 5,223,424 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

42,462 BBL/mo

Di (annual)

457.3%

b-factor

1.3

EUR

1,013,261 BBL

R-squared

0.815

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-03 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 47 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4215HPIONEER NATURAL RES. USA, INC.19,2602016-10-04
4415HPIONEER NATURAL RES. USA, INC.19,3002016-09-28