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Adam-
I've been involved with many vertical wells that were deepened to access un-drained horizons, but never a horizontal well.
You sentence about midway through the first paragraph of your query captures the technical essence of the challenge: removing casing, drill out to extend, re-running a new production liner/frac sleeves, re-fracing, then cleaning up and returning to production. I've never known cemented casing/liner to be removed other than by milling it out. The mechanical properties of the drained rock near the existing wellbore will likely cause some serious wellbore stability issues even if the liner were removed.
My view is that while it may be feasible to physically perform what you are proposing, in today's pricing environment it would not be economically viable.
Brian
Brian good to read one of your post again. Hope all is well.
Hi Brian,Thank You for posting that info I have a friend who is in a similar situation where they stopped drilling a unit because his neighbor didn't sign but now he has and was wondering if they could continue to drill the lateral where it stopped. I'll pass your info on to him.
pf-
extending a lateral that was abandoned before completion may be easier than extending one that has been cased, stimulated, and placed on production, depending upon what was left in the abandoned open hole section. If small cement plugs are present; it may be a matter of drilling them out, surveying down hole to determine depth, azimuth for orientation,, etc., then drilling on.
Abandoned horizontal open hole sections sometimes collapse , making re-entering them very difficult. In this case, performing an open-hole side-track may be required to drill a new hole parallel to the existing bore.
Brian
I leased in this area 4 years ago still haven't heard thing yet but it n nams run just down the road from the well your talking about eqt holds my lease
I live in the area and yes its a 5year lease with renew clause for 3 more
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