HOWARD GLASSCOCK EAST UNIT

Oil · District 08 · Lease #35608

Operator: WESTPORT OIL AND GAS COMPANY, LP

Cum Oil

314k BBL

Cum Gas

22k MCF

casinghead

Wells

67

Production

1998-01 — 2011-11

Peak Month

1999-06

Production History

Cum Oil: 313,781 BBL Cum Gas: 21,904 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,622 BBL/mo

Di (annual)

5.5%

b-factor

0.0

EUR

533,236 BBL

R-squared

0.489

type

exponential

Operator History (from monthly production reports)

2007-04 — 2016-03 APACHE CORPORATION 108 mo
2006-03 — 2007-03 KERR-MCGEE OIL & GAS ONSHORE LP 13 mo
2002-03 — 2006-02 WESTPORT OIL AND GAS COMPANY, LP 48 mo
2001-01 — 2002-02 BELCO ENERGY CORP. 14 mo
1998-01 — 2000-12 MARATHON OIL COMPANY 36 mo

Wells (67)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
0123APACHE CORPORATION33,2002008-02-12
23APACHE CORPORATION33,2002008-02-12
0122APACHE CORPORATION23,2002005-09-15
0410APACHE CORPORATION23,3002002-08-08
0110MARATHON OIL COMPANY13,2001998-06-04
0116APACHE CORPORATION23,3001998-06-04
0806APACHE CORPORATION13,2501998-06-04
10MARATHON OIL COMPANY13,2001998-06-04
16APACHE CORPORATION23,3001998-06-04
1621APACHE CORPORATION13,2001998-06-04
21APACHE CORPORATION13,2001998-06-04
6APACHE CORPORATION13,2501998-06-04
1319APACHE CORPORATION13,2501996-07-01
1425APACHE CORPORATION13,2001996-07-01
1427APACHE CORPORATION12,8501996-07-01
1602APACHE CORPORATION13,0701996-07-01
19APACHE CORPORATION13,2501996-07-01
25APACHE CORPORATION13,2001996-07-01
27APACHE CORPORATION12,8501996-07-01
1002APACHE CORPORATION12,8421996-06-28
1007APACHE CORPORATION13,1141996-06-28
1802APACHE CORPORATION13,2421996-06-28
0807APACHE CORPORATION12,9921996-06-21
0811APACHE CORPORATION13,0001996-06-21
0812APACHE CORPORATION13,0001996-06-21
7APACHE CORPORATION12,9921996-06-21
0211APACHE CORPORATION13,3001985-10-23
0210APACHE CORPORATION13,3001985-10-21
0707MARATHON OIL COMPANY12,9001984-06-12
0708WMARATHON OIL COMPANY12,9001984-06-12
1106APACHE CORPORATION13,3001980-09-15
0206APACHE CORPORATION13,3001978-08-28
0207APACHE CORPORATION13,3001978-08-28
0411APACHE CORPORATION13,3001978-08-28
0412MARATHON OIL COMPANY13,3001978-08-28
0204APACHE CORPORATION13,3001977-07-25
0115APACHE CORPORATION13,2001977-07-20
0117APACHE CORPORATION13,3001977-07-20
0205APACHE CORPORATION13,3001977-07-20
15APACHE CORPORATION13,2001977-07-20
17APACHE CORPORATION13,3001977-07-20
010342-227-01949APACHE CORPORATION------
010542-227-30162APACHE CORPORATION------
011442-227-30874APACHE CORPORATION------
020142-227-04168APACHE CORPORATION------
040242-227-01997APACHE CORPORATION------
040342-227-00178APACHE CORPORATION------
040542-227-30166UNITEX OIL & GAS, L.L.C.------
040942-227-30873APACHE CORPORATION------
050442-227-30875MARATHON OIL COMPANY------
070142-227-00177APACHE CORPORATION------
070242-227-00176MARATHON OIL COMPANY------
070342-227-01005MARATHON OIL COMPANY------
070442-227-30867APACHE CORPORATION------
090142-227-00159MARATHON OIL COMPANY------
090242-227-10018APACHE CORPORATION------
090342-227-30120APACHE CORPORATION------
100142-227-00134MARATHON OIL COMPANY------
1142-227-30248APACHE CORPORATION------
110142-227-00631APACHE CORPORATION------
110342-227-04369APACHE CORPORATION------
11142-227-30248APACHE CORPORATION------
1442-227-30874APACHE CORPORATION------
170142-227-00155APACHE CORPORATION------
180142-227-00127APACHE CORPORATION------
2W42-227-02187APACHE CORPORATION------
542-227-30166UNITEX OIL & GAS, L.L.C.------