During the slave trade, slaves were packed into every available niche aboard the slave ships, including the officers' cabins. The officers slept on deck in semi-cylindrical boxes, nicknamed dog houses. The term in the dog house grew to describe being in a difficult situation due to the extreme discomfort of sleeping in these boxes.
A rotary rig could have drilled that much in a day. Oscar had been here a month. He kept a careful log on the doghouse wall.