Help what do I do?

drained oil went through it dropped oil pan,
took a look with the camshaft cover off, took a look with the oil pan off from under the engine, shook the car, NOTHING!!!

I really am in huge trouble here any more ideas?

Its close to christmas and we've got no car and everything is being held up
we really are in MASSIVE TROUBLE HERE

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1975 240D W115 version 3 (Australian car )