HEARD, J. F. B.

Oil // district 2 // lease#3978

op: 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--------
EOF // multi-state drilling data platform // 2026