GRAEBER, NINA

Oil · District 08 · Lease #18426

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

111k BBL

Cum Gas

1k MCF

casinghead

Wells

15

Production

1993-01 — 2026-04

Peak Month

1996-11

Production History

Cum Oil: 110,721 BBL Cum Gas: 1,151 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

749 BBL/mo

Di (annual)

55.0%

b-factor

1.7

EUR

91,299 BBL

R-squared

0.595

type

hyperbolic

Operator History (from monthly production reports)

2011-04 — 2026-07 BASA RESOURCES, INC. 184 mo
2002-11 — 2011-03 CROWNQUEST OPERATING, LLC 101 mo
2001-08 — 2002-10 BC OPERATING, INC. 15 mo
1999-10 — 2001-07 CROWNQUEST OPERATING, LLC 22 mo
1997-09 — 1999-09 PIONEER NATURAL RES. USA, INC. 25 mo
1995-08 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 25 mo
1993-01 — 1995-07 GUTHRIE, A. K. OPERATING CO. 31 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17BASA RESOURCES, INC.13,3501996-07-08
18BASA RESOURCES, INC.13,3501996-07-08
142-335-10042BASA RESOURCES, INC.------
1242-335-10338BASA RESOURCES, INC.------
1442-335-10366BASA RESOURCES, INC.------
1542-335-10368BASA RESOURCES, INC.------
1642-335-30082BASA RESOURCES, INC.------
342-335-10044BASA RESOURCES, INC.------
442-335-10048BASA RESOURCES, INC.------
542-335-10047BASA RESOURCES, INC.------
642-335-10049BASA RESOURCES, INC.------
742-335-10050BASA RESOURCES, INC.------
842-335-10051BASA RESOURCES, INC.------
8W42-335-10051BASA RESOURCES, INC.------
942-335-10052BASA RESOURCES, INC.------