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Connacher is a growing exploration, development and production company with a focus on producing bitumen and expanding its in-situ oil sands projects located near Fort McMurray, Alberta

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Message: E=Mail to Mr. Gusella

Scott, that's great information. Specifically, the following section is one that I've been wondering about for some time:

He also said that over its lifetime POD 1 will have had a total of 65 well pairs drilled, so adding new wells at POD 1 is an ongoing process. He said that lower producing well pairs would not be terminated as long as they were adding cash flow to POD 1.

onde We know that the original plan was that Great Divide would be good for perhaps 25 years. We also know that the wells would have to be switched over approximately every six years, so that eventually GD would go through approximately four "iterations."

My question, ages ago, was "does this mean that approximately every six years, the entire plant is taken offline for six months to a year, to re-drill the next set of holes, to allow them time to ramp up, and to allow for a major plant maintenance? Or is there a better way that avoids a big downturn on each pod every approximately six years?"

Obviously, if several pods are running (maybe as many as four to six eventually), this wouldn't be as much of an issue, because there would always be just a fraction of the plant in downtime.

HOWEVER, this post suggests that CLL is thinking about keeping ahead in the drilling. So rather than wait for a while for the entire current portion of the pod to start declining as a whole, perhaps they can always have three or four wells drilled ahead, so that they can be ramped up in a timely manner before some of the older wells sputter out to non-commerciality, which means that the pod as a whole is producing continuously, rather than big periods of downtime a couple times a decade.

Now I would presume that there will still be a major plant shut-down on a fairly frequent basis for cleaning, but hopefully that will only amount to a couple weeks per year. And hopefully, they can get production to a point where they can perhaps produce 10,400 barrels per day for 50 weeks of the year, shut down for two, and still average out at the maximum of 10,000. Of course, with a few extra well-pairs, it becomes easier to reach the top numbers. So there's another question - is there a limit on the number of permitted well-pairs at any one time? Rather than 15 pairs averaging 666 b/d, can they have 18 averaging 555 b/d, and not push those 18 as hard? Of course, there would also come a point where cost inefficiencies arise from having more well-pairs than needed.

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