COREY

Oil · District 7C · Lease #12358

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

25k BBL

Cum Gas

303k MCF

casinghead

Wells

1

Production

1993-01 — 2014-04

Peak Month

1996-12

Production History

Cum Oil: 25,218 BBL Cum Gas: 303,067 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

449 BBL/mo

Di (annual)

30.8%

b-factor

0.4

EUR

27,602 BBL

R-squared

0.901

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2014-08 PIONEER NATURAL RES. USA, INC. 204 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,3001987-10-26