1. The following reserve table appeared in the financial statement s of Brown Company

Year ended Dec. 31	2015	2016	2017
Beginning of year	170	240	325
Revisions of previous estimates	10	12	(10)
Improved recovery	25	20	12
Purchases of reserves in place	0	10	0
Sales of reserves in-place	(10)	(25)	(60)
Extensions and Discoveries	70	90	15
Production	(25)	(22)	(25)
End of year	240	325	257

Year	Net Wells	Gross Wells
2015	700	2000
2016	850	1900
2017	900	2100

a) Calculate the reserve replacement ratio without revisions for 2015

b) Calculate the reserve life ratio for 2016

c) Calculate the net wells to gross wells ratio for 2016

d) Calculate the average reserves per well ratio for 2015. (Note that reserve numbers represent thousands of barrels.)

e) Calculate the average daily production per well ratio for 2017. (Note that reserve numbers represent thousands of barrels.)