HULET "166"

Oil · District 7C · Lease #17609

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

262k BBL

Cum Gas

1.3M MCF

casinghead

Wells

6

Production

2011-09 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 262,153 BBL Cum Gas: 1,343,858 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,625 BBL/mo

Di (annual)

44.9%

b-factor

0.2

EUR

221,291 BBL

R-squared

0.911

type

hyperbolic

Operator History (from monthly production reports)

2011-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 179 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.110,1002012-03-06
6PIONEER NATURAL RES. USA, INC.110,1002012-03-06
3PIONEER NATURAL RES. USA, INC.110,1002011-12-02
4PIONEER NATURAL RES. USA, INC.110,1002011-09-22
2PIONEER NATURAL RES. USA, INC.110,1002011-09-20
1PIONEER NATURAL RES. USA, INC.210,1002011-02-23