© 2019 Department of Petroleum Resources. All rights reserved Department of Petroleum Resources (DPR) PROCEDURE GUIDE

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APPENDIX 1 
DPR 
RECONCILED MONTHLY STOCK / PRODUCTION (INVENTORY) MASS BALANCE REPORT 
MONTH / YEAR: ………………………………………………………………………………………………………………………… 
NAME OF OPERATING COMPANY: ……………………………………………………………………………………………….. 
NAME OF TERMINAL: ………………………………………………………………………………………………………………….. 
AVERAGE API AT 60OF: ……………….. 
S/NO: DESCRIPTION 
GROSS 
US NETT US BARRELS 
(ALL UNITS @ 60OF) 
BARRELS 
A 
CLOSING STOCK 
B 
LIFTING (EXPORT + REFINERY) 
C 
OPENING STOCK 
D 
PRODUCTION 
BY 
MATERIAL 
BALANCE (A + B –C) 
E 
PRODUCTION 
RECEIPT 
INTO 
TERMINAL 
F 
TERMINAL ADJUSTMENT/LOSSES 
(D - E) 
 
PARTICIPANTS (NAMES IN FULL) 
DPR REPRESENTATIVE: 
SIGN: 
DATE: 
NNPC REPRSENTATIVE: 
SIGN: 
DATE: 
OPERATING COMPANY: 
SIGN: 
DATE: 
 
REMARK(S): The above are reconciled figures and accepted by all the parties. Refinery 
Supply may be applied for terminals that are linked with refineries or similar approved 
plant installations. ……………………………………………………………………………………………….. 
 
 
THE DEPARTMENT OF PETROLEUM RESOURCES