The Model ‘AS’ Liner Top Debris Seal Packer is an upper seal assembly that can be ran with or without slips. The Model ‘AS’ DSP is an extremely affordable, quality option for common heavy oil CHOPS and horizontal wells. It’s simple setting procedures require a compression set which can be obtained with the ‘AP’ running tool. It is designed to be rugged and able to take abuse in order to get into position. It’s bonded element and fully adjustable shear values and shear points make this system very reliable. There is no wasted time once on depth in order for setting as it is simple rotation and compression. No need to pump or circulate.