North Houston Machine, Inc. (NHM)

N.H.M., INC. has a complete modern machine shop that specializes in custom design products, such as rotary heads, swivels, side feed and conventional, for air, water or mud drilling. Computer aided design and drafting are also used in the design and detail of all products. Our custom designed and manufactured top head drives used with hydraulically operated drilling rigs develop torque up to 15,000 ft. lbs. Swivels can be furnished with either high pressure or low-pressure packing and different packing compounds. Design and manufacture of custom swivels, drill pipe and tool joints for water and seismic drilling. A patented breakout system requiring no tongs or wrenches can be included. The breakout system can be either manual or automatic in operation.