On Tuesday, British Petroleum (a/k/a BP, or “Beyond Petroleum”) announced a large oil discovery at its Tiber Prospect in the Lower Tertiary trend, deepwater Gulf of Mexico. The new field could rank as BP’s top property in the Gulf.
To put the engineering achievement in perspective, imagine what it takes to make a hole in the ground that is deeper than the height of Mount Everest, but in water that is over 4,000 feet deep.
The well, located in Keathley Canyon block 102, approximately 250 miles (400 kilometres) south east of Houston, is in 4,132 feet (1,259 metres) of water. The Tiber well was drilled to a total depth of approximately 35,055 feet (10,685 metres) making it one of the deepest wells ever drilled by the oil and gas industry.
Note that British Petroleum owns 62% of the well and President Obama’s favorite oil company, Petrobras*, owns 20%. An American-based company, Conoco-Phillips, owns the remaining 18%. Hooray for the home team!
BP needs to invest years of work and millions of dollars [S/B Billions of dollars! - ed.] before it draws the first drop of oil from Tiber. Such long waits are not uncommon. Three years after announcing a discovery at a site in the Gulf called Kaskida, BP has yet to begin producing oil there.
Projects like the Tiber well will not reduce U.S. dependency on foreign oil, which continues to grow. But new technology does permit access to major oil finds closer to U.S. shores.
BP expects Tiber to be among the company’s richest finds in the Gulf, on par with its crown jewel, the Thunder Horse development. Thunder Horse produces about 300,000 barrels of oil equivalent per day, half as much crude as Alaska’s North Slope.
* Favorite, that is, with the possible exception of Venezuela’s PdVSA.
Neil Stevens
Steve Maley
Daniel Horowitz
Jake Walker
A small question...
larueladue (Diary) Thursday, September 3rd at 11:56AM EST (link)Is the depth of the well 35,055 below land/earth/ocean bottom surface, or is that depth measured from sea level?
Also, I thought that at those depths, it was only gas, not oil (not being a petroleum geologist or engineer)?
35,055 feet from the drilling rig floor.
Steve Maley (Diary) Thursday, September 3rd at 3:07PM EST (link)Almost 35,000 ft below sea level.
Conventional wisdom is that the best depth interval for oil generation (as opposed to gas) is 6,000 to 15,000 ft or so. That’s based on temperature & pressure & thermodynamics.
Deepwater breaks many of the rules of thumb that come from shallow water & onshore. My guess would be that it is colder in deepwater than in shallower water at the same depth, coupled with a high rate of burial has led to oil at depths we don’t normally see.
Some would argue that all oil has origins from deep within the earth — Google “abiogenic oil” if you want to know more.
The blogger formerly known as ‘Vladimir’.
Abiogenic oil is an interesting concept
tcgeol (Diary) Thursday, September 3rd at 6:12PM EST (link)When I was teaching Geology 101 lab, I would always mention the concept just for something different and interesting. We didn’t discuss it like we did the accepted biologic origin for oil, of course.
Thanks for this diary, Vladimir. I heard about the find yesterday, but hadn’t seen any information about it. Hopefully, it will produce some more activity in the industry, since I’ll be interviewing for a job this fall.
Just your typical bitter gun- and God-clinger
Even the Left admits we’re Right
id take it with a grain of salt...
dave_in_atl (Diary) Thursday, September 3rd at 1:33PM EST (link)Seems like every year some company finds a HUGE oil reserve in the gulf of Mexico, and never do they seem to make it into production. Seems like BP is trying to boost their share price (who knows… maybe even an attempt to sweep the Oil for terrorist deal they made with Libya under the rug)
It takes years...
Steve Maley (Diary) Thursday, September 3rd at 2:56PM EST (link)…to develop a challenging field like this one.
They will have to drill multiple wells to appraise the size of the field, plan the most economic exploitation strategy, fabricate the production vessel, install pipelines, etc. etc.
The Thunder Horse field referred to in the article was 10 years from discovery to first production. There were some not-so-minor hiccups along the way, but in general 8-10 years would not be extraordinary.
The blogger formerly known as ‘Vladimir’.
Standing in
dennism (Diary) Thursday, September 3rd at 5:05PM EST (link)…4,000 feet of water and drilled to the depth of the deepest part of the Mariana Trench.