Who cares if oil is bullish or bubbly? Prices are going up, baby. Why ask why?

But if you must know, global demand is outpacing supply – though not by much. Only a couple of million barrels a day prevents supply from keeping up with demand, but that’s enough to push the price of crude to record prices.

Ah, life must be good in the oil patch. Companies are making record or near-record profits. Don’t look now but the good times may be coming to an end for the miners of black gold.

We’ve already addressed in an earlier article the number one problem of oil companies: raising production. It’s a losing battle. The best fields are past their prime. Once they’re gone, they’re replaced with smaller fields with harder-to-get oil.

It’s like the Boomer generation looking for the fountain of youth. Boomers can slow down the decline here and there. But the fall from grace is inevitable. Oil producers face the same predicament. They can only see maximum rates of oil production in the rear view mirror.

So, what does the other side of oil production look like? It could be worse. So far, falling production plus soaring prices have brought oil companies huge profits.

The oil companies know they’re thriving on borrowed time. And they’re trying to do something about it. Ideally, they’d like to raise production. But at the very least they’d like to find a way to slow the fall of crude output.

To do so, they’re going after oil that a decade ago was beyond their reach. It lies thousands of feet underneath the oceans of the world.

This is new territory for the oil companies. It’s much too early for the oil companies to have a firm idea of what their costs will be. And while they’re pretty sure they have the technology to get to this oil, they’re still not sure how these technologies will work together.

Here’s a snippet of an earnings call by an offshore drilling contractor I caught last week on this very subject.

Analyst
“… the issue associated with the debate out there of drill ships versus semis, is the 8500 series equipment capable of something like offshore Brazil, would there be modifications required? Is there deck load issues? Just expand on the pros and cons and how much more opportunity when people debate this drill ship versus semi?”

Jeff Saile - SVP Operations
“Why don’t you ask a hard question, Pierre. Certainly we can work offshore Brazil. I don’t know if — I think there’s, a lot of that’s to be understood in the future. I certainly think the 8500 can get in there and compete. I don’t think it’s going to compete with a drill ship. It’s going to come in behind these ships when they do some of this. Some of these ships are going to do advanced exploration … the 8500 is certainly equipped to drill. It can drill in 10,000 feet of water. We’re going to have to do minor modifications to it. We’re reviewing that now. It can certainly drill in deeper water. And we can get out there with the equipment on them and drill these ultra deep wells, as well.”

The semi’s they refer to are semisubmersible rigs. They’re floating offshore drilling units with pontoons and columns. They can be anchored to the sea bottom with mooring chains or dynamically positioned by computer-controlled propellers or “thrusters.”

It’s not just the desperate oil majors who are willing to wade into these tricky deep waters. State-controlled oil companies see these basins as their next big money maker.

Deep-sea drilling is the next frontier. And these semis will help make it happen.

They have plenty of drilling to do … in the 30 billion barrel (from early estimates) Tupi basin off of Brazil … to Chevron’s estimated 15 billion barrel discovery in the Gulf of Mexico … to China’s recently discovered offshore field containing perhaps 2.2 billion barrels .. plus others.

These are major reservoirs. If the preliminarily estimated numbers hold up, Brazil’s Tupi would be the third largest underwater oil find ever.

But there’s a fly in the ointment in all of this … costs.

As I said, it’s too early to get a firm handle on costs. But I’ll tell you this much right now. It won’t be cheap.

And it’s getting more expensive all the time.

Petrobras (from Brazil) is hogging the word’s deepwater rigs and singlehandedly causing a shortage of these sought-after rigs. There are only 21 of them in the world. Petrobras is negotiating to lease 17 on top of what it already has to help explore its Tupi basin and nearby fields.

As a result, these rigs are going way up in price. BP leased one for $480,000 per day at the beginning of the year. Now, they’re going for as much as $600,000.

Shallow offshore drilling is also becoming much more expensive. For example, the company in the excerpt above said its jackup rates (jackup rigs operate in waters of 400 feet or less) in Asia went up 5 percent in the first quarter this year (compared to the fourth quarter of 2007).

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