De or het petroleumindustrie?

The correct Dutch article is:

de petroleumindustrie

How to use petroleumindustrie

the petroleumindustriede petroleumindustrie
this petroleumindustriedeze petroleumindustrie
that petroleumindustriedie petroleumindustrie
our petroleumindustrieonze petroleumindustrie
your petroleumindustriejouw petroleumindustrie
every petroleumindustrieelke petroleumindustrie
which petroleumindustrie?welke petroleumindustrie?
a big petroleumindustrie / the big petroleumindustrieeen grote petroleumindustrie, de grote petroleumindustrie