I've personally never come across a filter that couldn't be removed with a wrench, but one method I've heard of is to drive a long screwdriver right through the filter and reef on that. Never tried it though.

On our Jeep 4.0L's I use I can usually remove it by hand, if not I use a big socket that goes on the end of the filter. My socket is older and still made of sheet metal as opposed to plastic. The WIX filters I use on the race car aren't compatible with the filter sockets, so for those I use a filter band wrench. When putting the filters one I oil them and tighten them as tight as I can by hand (until my hand slips or I run out of strength...keep in mind in the confines of an engine compartment you can't use all your strength) and I've never had any problems getting them off. I have found that the hotter the engine is, the easier they come off though. For the ultra stubborn to remove filters I have been told to chiesel the flange to turn it loose, as screwdrivers through the filter often just rip it apart.
This is one of the most extream cases I've ever seen in oil filter removal. Yet at the end he comes up with a brilliant solution by modifying some of his current tools. Some of the best thinking I've seen on this subject.
i change oil almost everyday at work...i dont touch pliers for any job...i use filter cups and a lisle 2 jaw and can get everything off
most cars ive seen a set of pliers wont do you very well if your not trying to take 30 minutes to get the filter off....a good set of cups and youll be set
have a bunch of the socket style ones, and the "three finger" style, if they don't work I also have these..
make sure it has the swivel handle, the fixed handle ones don't fit many places...
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for the reaalllyyy stubborn ones...
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Those Jeep 4.0L engines usually give you plenty of room to use any tool you want. The filters are mounted on the side horisontally within easy reach. When I owned my Cherokee I always used my Channellock #212 filter pliers to turn the filter loose slightly, then do the rest by hand. Those old AMC I6 4.0L engines were great.
The filters on those engines are very easy to get at. I love the 4.0L engines. Between myself and my Mom we've had 4 vehicles with those engines, never had a problem, inluding one that was very close to 400,000km. My 2000 Cherokee I have now has 289,000 km.
I still maintain big *** channel locks work better than anything. I just clamp the end of it until it indents it a little and twist it off.
have a bunch of the socket style ones, and the "three finger" style, if they don't work I also have these..
make sure it has the swivel handle, the fixed handle ones don't fit many places...
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for the reaalllyyy stubborn ones...
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To the OP: you wouldn't happen to be using regular orange Fram filters would you? My experience, granted a few years ago now, were that these were the only brand that seemed to weld themselves onto a filter housing despite oiling the gasket and hand tightening only. As soon as I changed to other brands the problem was solved. A couple of buddies had the same issue. Haven't used them in years. What brand are you using?