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Oil · District 7C · Lease #4039

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

48k BBL

Cum Gas

308k MCF

casinghead

Wells

5

Production

1993-01 — 2022-08

Peak Month

1993-04

Production History

Cum Oil: 48,491 BBL Cum Gas: 308,190 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

776 BBL/mo

Di (annual)

65.8%

b-factor

0.8

EUR

39,815 BBL

R-squared

0.737

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
1993-12 — 1995-02 MIDPAR L.P. 15 mo
1993-01 — 1993-11 GRAHAM ROYALTY, LTD. 11 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA INC.18,6001984-10-22
6PIONEER NATURAL RES. USA INC.18,6001984-10-22
142-461-10004PIONEER NATURAL RES. USA INC.------
1D42-461-01363PIONEER NATURAL RES. USA INC.------
442-461-10063PIONEER NATURAL RES. USA INC.------