ROBERTS, DORA, -A-

Oil · District 08 · Lease #2810

Operator: SOUTHLAND ROYALTY COMPANY

Cum Oil

219k BBL

Cum Gas

2k MCF

casinghead

Wells

21

Production

1993-01 — 2011-11

Peak Month

1998-09

Production History

Cum Oil: 219,467 BBL Cum Gas: 1,926 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,375 BBL/mo

Di (annual)

13.2%

b-factor

0.0

EUR

125,192 BBL

R-squared

0.488

type

exponential

Operator History (from monthly production reports)

2007-12 — 2012-08 SHERIDAN PRODUCTION COMPANY, LLC 57 mo
2002-12 — 2007-11 AETHON I LP 60 mo
1999-10 — 2002-11 KERR-MCGEE OIL & GAS ONSHORE LLC 38 mo
1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo
1998-02 — 1999-03 ORYX ENERGY COMPANY 14 mo
1997-05 — 1998-01 GRUY PETROLEUM MANAGEMENT CO. 9 mo
1996-08 — 1997-04 BURLINGTON RESOURCES OIL&GAS CO. 9 mo
1996-03 — 1996-07 MERIDIAN OIL INC. 5 mo
1993-01 — 1996-02 SOUTHLAND ROYALTY COMPANY 38 mo

Wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20BASA RESOURCES, INC.23,2501998-05-28
22LSHERIDAN PRODUCTION COMPANY, LLC33,3501998-02-19
22USHERIDAN PRODUCTION COMPANY, LLC33,3501998-02-19
25LBASA RESOURCES, INC.13,3001998-02-13
25UBASA RESOURCES, INC.13,3001998-02-13
26LBASA RESOURCES, INC.13,3001998-02-11
26UBASA RESOURCES, INC.13,3001998-02-11
24LBASA RESOURCES, INC.13,3001998-02-06
24UBASA RESOURCES, INC.13,3001998-02-06
23BASA RESOURCES, INC.24,6001992-04-29
1042-227-02965SHERIDAN PRODUCTION COMPANY LLC------
1242-227-02967SHERIDAN PRODUCTION COMPANY LLC------
1342-227-02968BASA RESOURCES, INC.------
1442-227-10501BASA RESOURCES, INC.------
1542-227-10565BASA RESOURCES, INC.------
1642-227-10727BASA RESOURCES, INC.------
17D42-227-31111BASA RESOURCES, INC.------
1842-227-31114BASA RESOURCES, INC.------
542-227-02959SHERIDAN PRODUCTION COMPANY LLC------
842-227-02963BASA RESOURCES, INC.------
942-227-02964BASA RESOURCES, INC.------