DUSEK A

Oil · District 7C · Lease #17316

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

507k BBL

Cum Gas

2.5M MCF

casinghead

Wells

7

Production

2010-05 — 2026-04

Peak Month

2013-07

Production History

Cum Oil: 507,485 BBL Cum Gas: 2,461,320 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,791 BBL/mo

Di (annual)

28.3%

b-factor

0.0

EUR

500,677 BBL

R-squared

0.854

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2010-05 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 129 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA, INC.113,0002013-01-16
1PIONEER NATURAL RES. USA, INC.113,0002012-02-10
2PIONEER NATURAL RES. USA, INC.113,0002012-02-10
5PIONEER NATURAL RES. USA, INC.311,0002009-08-27
6PIONEER NATURAL RES. USA, INC.311,0002009-08-27
7PIONEER NATURAL RES. USA, INC.211,0002009-08-12
8PIONEER NATURAL RES. USA, INC.311,0002009-08-12