[Beagle8U]

If you can pump 100,000 bbl a day at max capacity with one, then two will pump twice as much.

It isn’t like a small field where your pumping is limited by flow rate to the pool.

[Repeal The 17th]

Thanks.
That makes sense.
I was thinking it had to do with the boundary lines for specific leases, or something like that.

[thackney]

Real Answer:

Better minds on this subject than ours studied it greatly and justified spending a Billion or so dollars.

More details at:

http://www.offshore-mag.com/articles/print/volume-73/issue-01/gulf-of-mexico/shells-mars-b-develop-begins-take-shape.html