WINDHAM "Q"

Oil · District 7C · Lease #13053

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

244k BBL

Cum Gas

692k MCF

casinghead

Wells

7

Production

1993-01 — 2016-05

Peak Month

2010-03

Production History

Cum Oil: 243,713 BBL Cum Gas: 691,888 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,056 BBL/mo

Di (annual)

72.5%

b-factor

2.0

EUR

508,570 BBL

R-squared

0.506

type

hyperbolic

Operator History (from monthly production reports)

2016-06 — 2016-10 PARSLEY ENERGY OPERATIONS, LLC 5 mo
1997-09 — 2016-05 PIONEER NATURAL RES. USA, INC. 225 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6PARSLEY ENERGY OPERATIONS LLC211,3002011-03-09
7PARSLEY ENERGY OPERATIONS LLC111,3002011-03-09
4PARSLEY ENERGY OPERATIONS LLC111,0002009-11-19
3PARSLEY ENERGY OPERATIONS LLC111,0002009-09-24
5PARSLEY ENERGY OPERATIONS LLC111,0002009-09-17
1PARSLEY ENERGY OPERATIONS LLC19,3501991-02-22
2PARSLEY ENERGY OPERATIONS LLC19,3501991-02-22