WELLS, ONA

Oil · District 7C · Lease #13984

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

116k BBL

Cum Gas

796k MCF

casinghead

Wells

7

Production

1995-11 — 2026-04

Peak Month

2014-07

Production History

Cum Oil: 115,840 BBL Cum Gas: 796,358 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,555 BBL/mo

Di (annual)

59.6%

b-factor

0.4

EUR

83,939 BBL

R-squared

0.781

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2013-03 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 95 mo
2006-04 — 2013-02 CHEVRON MIDCONTINENT, L.P. 83 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1995-11 — 2001-12 HALLWOOD PETROLEUM, INC. 74 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7PIONEER NATURAL RES. USA, INC.19,3002013-08-23
8PIONEER NATURAL RES. USA, INC.19,3002013-08-23
4PIONEER NATURAL RES. USA, INC.17,9501984-12-07
5PIONEER NATURAL RES. USA, INC.17,9501984-12-07
142-383-30209PIONEER NATURAL RES. USA, INC.------
242-383-30211PIONEER NATURAL RES. USA, INC.------
342-383-30210PIONEER NATURAL RES. USA, INC.------