DUNN

Oil · District 08 · Lease #33957

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

255k BBL

Cum Gas

719k MCF

casinghead

Wells

6

Production

1993-09 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 254,739 BBL Cum Gas: 719,415 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,159 BBL/mo

Di (annual)

17.4%

b-factor

0.3

EUR

108,259 BBL

R-squared

0.641

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-09 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 18 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6PIONEER NATURAL RES. USA, INC.111,8252014-02-21
7PIONEER NATURAL RES. USA, INC.111,7252013-01-28
4PIONEER NATURAL RES. USA, INC.19,8002003-06-13
3PIONEER NATURAL RES. USA, INC.19,6001994-05-03
5PIONEER NATURAL RES. USA, INC.19,6001994-05-03
2PIONEER NATURAL RES. USA, INC.212,5001993-05-19