Job Description:

• 1) Assists ROTARY DRILLER in operating machinery to drill oil or gas wells, using handtools and power tongs and wrenches: Assembles and disassembles casings and pipe sections, using hand and power wrenches and tongs.

• 2) Sets curved metal wedges around pipe string at wellhead to prevent string from falling into well during change or addition of pipe sections.

• 3) Tightens or loosens threaded joints between sections, using tongs or chain wrenches.

• 4) Guides lower end of pipe sections to or from well opening.

• 5) Loosens or tightens joints, using cathead.

• 6) Mixes drilling mud, using power agitators.

• 7) Reads gauge to ascertain pressure on drilling tools at bottom of well and reports irregularities to ROTARY DRILLER.

• 8) Repairs drilling machinery, slush pumps, and derricks.

• 9) Digs drainage ditches, racks tools, and cleans drilling floor around rig.

• 10) May assist in erecting and dismantling rigs.

• 11) Performs other duties as described under HELPER Master Title.

• 12) May be known according to specific duty performed as Back-Up Worker; Cathead Worker; Lead-Tong Worker; Pipe Racker.