Slick Boring

Definition - What does Slick Boring mean?

Slick Boring is a method used to launch a bore pit system that advances a rotating drill stem along the path of a proposed bore, referred to as a pilot hole. The drill stem continues along the proposed path until the drill stem exits into another pit, called the exit pit. A reamer or hole opener is attached to the drill stem while a swivel and tail cable are attached to the rear of the reamer. The slick bore machine then rotates the reamer, as fluid is pumped through the drill stem to the reamer, and pulls the reamer back to the bore pit.

Petropedia explains Slick Boring

During the slick bore process the product pipe is welded to the back end of an installed bore pipe. A winch is connected to the lead end of the bore pipe and is used to pull the casing out. As the bore pipe is removed the product pipe is pulled into place. In this scenario, the bore pipe is installed with a pneumatic pipe rammer. Once the product pipe is installed, the bore pipe can be used again for the next slick-bore.

Slick boring also limits the amount of stress placed on the product pipe, which is of concern to project owners. The bore pipe ends up bearing the brunt of impact from the ramming in tough soil conditions and spoil clean out. Through ramming the pipe can also be installed very accurately. The product pipe is pulled into its ideal position without being subjected high levels of stress.

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