STATE -EF-

Oil · District 10 · Lease #11218

Operator: PENNZOIL PETROLEUM COMPANY

Fields: DUNE

Cum Oil

215k BBL

Cum Gas

0 MCF

Wells

25

Production

1993-01 — 2019-09

Peak Month

1993-10

Production History

Cum Oil: 215,153 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,750 BBL/mo

Di (annual)

10.9%

b-factor

0.1

EUR

210,524 BBL

R-squared

0.806

type

hyperbolic

Wells (25)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
27HDEVON ENERGY PRODUCTION CO, L.P.24,9502013-01-02
20GULF OIL CORP.14,2501982-05-24
21GULF OIL CORP.14,2001982-05-24
22GULF OIL CORP.14,2001982-05-24
24GULF OIL CORP.14,1501982-05-24
18GULF OIL CORP.14,2001982-04-12
19GULF OIL CORP.14,2001982-04-12
23GULF OIL CORP.14,2501982-04-12
25GULF OIL CORP.14,2001982-04-12
26GULF OIL CORP.14,2251982-04-12
1042-103-00321--------
1242-103-30791--------
1342-103-31147--------
1442-103-31221--------
1542-103-31222--------
1642-103-31403--------
1742-103-31410--------
242-103-00328--------
342-103-00329--------
442-103-00330--------
542-103-00333--------
642-103-00317--------
742-103-00318--------
842-103-00319--------
942-103-00320--------
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