Drip gas = Plus minus c5 pentane + water usually. Make up varies with how long it's been sitting and vapouring off.
If'n light crude is wanted check with field tanker truck fellows that work in the oil field. Fellows that empty tanks, haul crude for work over etc. Other than that your into a closed transportation system that is usually only accessible at plant type locations where an individual don't get access.
Or; couple of pipe wrenches, a nipple or two, hose and change of clothes and do an evening visit right to the well head.[/QUOTE]
And no sparks or smoking.