ZAIN 26

Oil · District 7C · Lease #18467

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

2.0M BBL

Cum Gas

8.2M MCF

casinghead

Wells

13

Production

2013-05 — 2026-04

Peak Month

2016-08

Production History

Cum Oil: 1,980,788 BBL Cum Gas: 8,249,860 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

57,369 BBL/mo

Di (annual)

85.5%

b-factor

0.6

EUR

1,788,244 BBL

R-squared

0.942

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2013-05 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 93 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4415HPIONEER NATURAL RES. USA, INC.29,9752016-02-22
4214HPIONEER NATURAL RES. USA, INC.19,7002016-02-19
4413HPIONEER NATURAL RES. USA, INC.19,9002016-02-19
12HPIONEER NATURAL RES. USA, INC.19,6102015-01-05
1HBPIONEER NATURAL RES. USA, INC.19,6002014-08-14
1PIONEER NATURAL RES. USA, INC.213,0002014-05-08
6PIONEER NATURAL RES. USA, INC.211,8002013-12-10
8PIONEER NATURAL RES. USA, INC.211,8002013-12-10
5PIONEER NATURAL RES. USA, INC.211,8002013-12-09
7PIONEER NATURAL RES. USA, INC.211,8002013-11-08
4PIONEER NATURAL RES. USA, INC.313,0002013-06-10
3PIONEER NATURAL RES. USA, INC.213,0002013-05-29
2PIONEER NATURAL RES. USA, INC.213,0002013-02-28