07
Slurry blender machines for use in oil or gas well hydraulic
fracturing operations; high-pressure pumps for use in oil or
gas well hydraulic fracturing operations; oilfield
production machines for extracting oil from geological
layers and processing hydrocarbons; geotechnical drilling
machines; structural and replacement parts for fluid ends
for reciprocating pumps in the nature of pump components
that circulate drilling fluid, fracking fluid or completion
fluid, namely, valves for pumps, packing being mechanical
seals, liners being mechanical seals; structural and
replacement parts for positive displacement pumps in the
nature of pump components that circulate drilling fluid,
fracking fluid or completion fluid, namely, valves for
pumps, mechanical seals; structural and replacement parts
for drilling modules being parts for oilfield wellhead
machines that circulate drilling fluid, fracking fluid or
completion fluid, namely, valves for pumps, packing being
mechanical seals, liners being mechanical seals, gate
valves, ball valves, check valves, plug valves, globe
valves, valve parts, seats being pipe fittings and flanges,
pistons for drilling; parts of oilfield wellhead machines,
namely, gate valves, ball valves, check valves, plug valves,
globe valves, casing heads, tubing heads, casing spools,
choke and manifold industrial pumps, pump and valve parts,
pipe fittings and flanges; machines for connecting surface
equipment to wellheads; well pressure monitoring systems
12
Lubricator trailers; gun loading trailers
35
Managing the exploration, production and operations of
natural gas and oil properties for others
37
Fracking services; extraction of oil and gas; drilling of
deep oil or gas wells; well improvement services, namely,
hydraulic fracturing of subsurface geologic formations to
enhance well production; installation of oil production
apparatus; construction of structures for the production of
crude oil; oil well casing, tubing, and drill pipe
installation
40
Gas production services; processing of oil; technical
consulting in the field of oil and gas production and
processing; gas processing services
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