DUSEK

Oil · District 7C · Lease #17067

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

586k BBL

Cum Gas

2.7M MCF

casinghead

Wells

9

Production

2009-12 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 586,144 BBL Cum Gas: 2,747,592 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,813 BBL/mo

Di (annual)

18.6%

b-factor

0.0

EUR

569,476 BBL

R-squared

0.656

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2009-12 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 134 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10PIONEER NATURAL RES. USA, INC.113,0002013-01-31
5PIONEER NATURAL RES. USA, INC.113,0002012-03-08
6PIONEER NATURAL RES. USA, INC.113,0002012-03-08
7PIONEER NATURAL RES. USA, INC.113,0002012-03-08
8PIONEER NATURAL RES. USA, INC.113,0002012-02-10
3PIONEER NATURAL RES. USA, INC.211,0002009-08-28
4PIONEER NATURAL RES. USA, INC.110,6002009-08-27
1PIONEER NATURAL RES. USA, INC.110,6002009-08-12
2PIONEER NATURAL RES. USA, INC.110,6002009-08-12