HEARD, J. F. B.

Oil · District 2 · Lease #3978

Operator: PRIMROSE OPERATING COMPANY

Fields: GRETA (4400)

Cum Oil

865k BBL

Cum Gas

0 MCF

Wells

17

Production

1993-01 — 2026-03

Peak Month

1993-08

Production History

Cum Oil: 864,659 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,269 BBL/mo

Di (annual)

7.7%

b-factor

0.4

EUR

837,512 BBL

R-squared

0.673

type

hyperbolic

Wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8ACOCK/ANAQUA OPERATING CO., LP14,3822013-10-10
3EXXON CORP.44,3841997-05-12
22EXXON CORP.25,0001994-01-31
16DEXXON CORP.14,3881991-10-28
29EXXON CORP.14,9861984-08-23
26EXXON CORP.14,9801984-03-21
24EXXON CORP.14,9401983-08-02
20DEXXON CORP.14,4041977-08-30
1042-391-00869--------
1142-391-00870--------
1242-391-00871--------
1342-391-00872--------
1442-391-00873--------
1542-391-00874--------
242-391-00861--------
21 T42-391-00880--------
642-391-00865--------
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