O'BRIEN, J. M.

Oil · District 2 · Lease #3981

Operator: PRIMROSE OPERATING COMPANY

Fields: GRETA (4400)

Cum Oil

378k BBL

Cum Gas

0 MCF

Wells

10

Production

1993-01 — 2026-03

Peak Month

2006-01

Production History

Cum Oil: 377,851 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,957 BBL/mo

Di (annual)

10.2%

b-factor

0.0

EUR

228,066 BBL

R-squared

0.632

type

exponential

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
312EXXON CORP.24,9002010-02-25
312AEXXON CORP.24,9002010-02-25
109PRIMROSE OPERATING COMPANY67,0002008-07-21
107CAMBRIAN MANAGEMENT, LTD.13,5012008-04-10
313EXXON CORP.25,6001989-07-07
309EXXON CORP.16,3001983-06-07
10242-391-00832--------
31042-391-30392--------
310A42-391-30392--------
4142-391-01050--------
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