BAST '33-40'

Oil · District 7C · Lease #19818

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

576k BBL

Cum Gas

6.1M MCF

casinghead

Wells

4

Production

2017-10 — 2026-04

Peak Month

2018-05

Production History

Cum Oil: 575,510 BBL Cum Gas: 6,082,565 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

47,059 BBL/mo

Di (annual)

440.7%

b-factor

0.9

EUR

571,349 BBL

R-squared

0.954

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-10 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 40 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4413HPIONEER NATURAL RES. USA, INC.29,3062017-02-01
4313HPIONEER NATURAL RES. USA, INC.19,1062017-01-30
4213HPIONEER NATURAL RES. USA, INC.19,0002017-01-25
2813HPIONEER NATURAL RES. USA, INC.28,4002017-01-06