GULF -C-

Oil · District 08 · Lease #26529

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

55k BBL

Cum Gas

62k MCF

casinghead

Wells

2

Production

1993-01 — 2024-12

Peak Month

2005-11

Production History

Cum Oil: 54,657 BBL Cum Gas: 61,807 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,357 BBL/mo

Di (annual)

495.4%

b-factor

0.6

EUR

7,807 BBL

R-squared

0.757

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
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.19,0002005-06-09
1PIONEER NATURAL RES. USA INC.19,5001980-12-03