Willie, have you seen the new stoneless drain? its a 6" corrugated perf pipe wrapped in about a foot of styrofoam peanuts in a fine mesh drain sock. It really looks like something, I'm not sure how it'd ever work if just buried in clay rich soil. I put a drain in clay heavy soils, 2' wide trench, fabric, 8-10 inches of stone, pipe wrapped in sock, foot of stone and flattened it off. I made a trench box out of plywood and some 2x4 blocking on the ends, I'd put the mini trench box in, centered atop the fabric wrapped stone, backfill just enough to hold it, put a loop of fabric down inside and back up again, spring clamp to the sides of the box then slowly fill the box with stone, backfill the rest of the way then pull the box out of the hole, leaving a 4" wide, 4' tall, fabric wrapped channel to make like a mini wall, where I was only down 4-5' it carried the stone to daylight. I did have to block the ends to keep everything from slipping back but with a couple more scraps, I was able to move right along and solve the surface and underground water issues.