What does a roustabout do on a Gulf of Mexico oil rig?

I. Core Responsibilities — Roustabout (Gulf of Mexico)

Entry-level offshore deck crew responsible for safe cargo handling, deck maintenance, rigging, and general support to drilling and marine operations.

• 1.1 Cargo handling and rigging: Sling, secure, and spot deck cargo; act as banksman/signaller for crane lifts; manage tag lines; install sea-fastening; verify slings, shackles, and rigging gear are fit-for-purpose and color-coded.
• 1.2 Deck maintenance (hull/deck preservation): Chipping, scaling, needle-gunning, power-washing, priming, and painting to prevent corrosion; maintain walkways, gratings, handrails, and non-skid.
• 1.3 Materials support to drilling: Stage drill pipe, casing accessories, and BOP consumables to drill floor; move, open, and dispose of mud/chemical sacks under supervision; assist with bulk transfers and tank cleaning per PTW.
• 1.4 Housekeeping and waste management: Keep deck and laydown areas clear; segregate waste; manage spill kits and drip trays; clean up hydraulic oil or chemical spills per SDS and spill plan.
• 1.5 Helideck/boat landing support: Helideck marshalling support under supervision; netting checks; assist with passenger baggage and freight; support boat cargo operations alongside.
• 1.6 Emergency response duties: Muster on alarms; assigned roles may include fire team assist, stretcher-bearer, or oil-spill response line handler; participate in drills (fire, abandon, man overboard).
• 1.7 HSE compliance: Participate in JSAs/toolbox talks; follow Permit-to-Work (PTW), lockout/tagout, dropped-object prevention, and confined space protocols; report hazards and near misses.
• 1.8 Equipment checks and basic upkeep: Inspect rigging gear, cargo baskets, containers, and deck tools; maintain consumables inventory; replace worn deck fittings/gaskets under direction.
• 1.9 Seasonal/weather prep: Storm tie-downs and sea-fastening; install/remove splash-zone protection as instructed; winterization/hurricane preps.
• 1.10 Team support: Assist mechanics/welders with hot/cold work prep; erect simple barricades and signage; fetch tools/materials as required.

II. Required Skills and Physical Demands

II.A Technical Skills

• 2.1 Rigging and signaling: Basic sling angle awareness, hand signals, banksman control, tag-line use, and load spotting.
• 2.2 Deck preservation: Safe operation of chipping/needle guns, pressure washers, and paint systems; surface prep standards (basic).
• 2.3 HSE and PTW literacy: JSA writing/participation, gas testing awareness, confined space watch, dropped-objects controls.
• 2.4 Material handling: Safe lifting, stacking, lashings/sea-fastening, cargo net use, container inspection (NORSOK/IMDG awareness basic).
• 2.5 Communication: Clear radio use (UHF), standard phrases, repeat-backs; follow crane operator and deck foreman instructions precisely.
• 2.6 Emergency readiness: Donning PPE, lifejacket, immersion suit; basic firefighting and HUET practices.

II.B Soft Skills

• 2.7 Situational awareness: Spot pinch points, swing radius, and line-of-fire hazards.
• 2.8 Teamwork and discipline: Adhere to procedures, stop-work authority, and chain-of-command.
• 2.9 Reliability: Punctuality, endurance on 12-hour shifts, consistent housekeeping standards.

II.C Physical Demands

• 2.10 Endurance: Stand/walk and manual tasks for 12-hour shifts; repetitive motions in heat/humidity and salt spray.
• 2.11 Lifting and carrying: Routinely handle 50–80 lb items; team-lifts and mechanical aids for heavier loads per JSA.
• 2.12 Heights and exposure: Work at heights with harness; climb ladders and stairs; work in wet, windy, or pitching conditions.
• 2.13 PPE tolerance: Wear FR coveralls, gloves, eye/face protection, steel-toe boots, PFD, and harness for extended periods.

II.D Useful Rigging Equation (Sling Tension)

For a two-leg sling with total load weight W, sling angle from horizontal ?, and from vertical ß:

• 2.14 Leg tension using horizontal angle: \( T = \dfrac{W}{2\,\sin\theta} \)
• 2.15 Leg tension using vertical angle: \( T = \dfrac{W}{2\,\cos\beta} \)

Lower sling angles (flatter slings) increase leg tension; maintain approved angles per rigging plan.

III. Tools, Equipment, and Software

III.A Toolchain Snapshot

• 3.1 Rigging gear: Wire/round slings, shackles, hooks, spreader bars, cargo nets, tag lines, chain hoists, come-alongs.
• 3.2 Deck tools: Chipping hammers, needle guns, pressure washers, grinders, paint rollers/brushes, grease guns, caulking guns.
• 3.3 Lifting equipment interfaces: Offshore pedestal cranes (as load handlers, not operators); forklift interaction where applicable (banksman).
• 3.4 Safety devices: Portable gas detectors, intrinsically safe radios (UHF), lifejackets, harnesses/lanyards, fall arrestors, rescue equipment.
• 3.5 PTW/HSE systems: Electronic PTW, hazard card/observation tools, digital JSA forms; basic training modules.
• 3.6 Consumables and containers: Certified cargo baskets, skips, pipe racks, dunnage, lashings, ratchet straps, sea-fastening hardware.

IV. Work Environment

• 4.1 Location: Offshore Gulf of Mexico on MODUs or production platforms.
• 4.2 Schedule: Typical rotations 14/14 or 21/21; 12-hour shifts (days or nights) with handovers.
• 4.3 Travel: Helicopter or crew boat to/from shore base; baggage weight limits and manifest compliance.
• 4.4 Conditions: Marine motion, salt exposure, variable weather; strict lifesaving and marine safety compliance.
• 4.5 Accommodation: Shared cabins, communal galley; strict housekeeping and hygiene standards.

V. Reporting Lines and Interfaces

• 5.1 Reports to: Deck Foreman or Barge/Marine Supervisor; task direction from Crane Operator during lifts; overall jurisdiction by OIM.
• 5.2 Cross-functional interfaces: Drilling crew (for pipe/consumables staging), Marine crew (crane/boat ops), Maintenance (mechanics/electricians), HSE (PTW/JSA), Catering (logistics assistance).
• 5.3 Deliverables & Interfaces:
  • 5.3.1 Hand over staged materials to Driller/Floorhand as requested.
  • 5.3.2 Provide deck readiness status to Deck Foreman and Crane Operator (clear swing paths, secured loads).
  • 5.3.3 Close out PTWs and JSAs; return rigging gear for inspection/storage; update waste and spill response logs.

VI. Career Ladder and Progression

• 6.1 Next-step roles: Roughneck/Floorhand (drill floor), Assistant Crane Operator/Rigger, Painter/Blaster, Motorman (mechanical support) — based on interest and aptitude.
• 6.2 What’s needed to move up: Strong safety record; proven rigging competence; consistent reliability; completion of role-specific training and assessments.
• 6.3 Certifications commonly required in GoM: TWIC, HUET (often within BOSIET-equivalent), SafeGulf/RigPass, H2S, Basic Firefighting; SEMS awareness; (some sites may require STCW Basic Training — estimated).
• 6.4 Progression Trigger: Typically promoted after 6–10 successful hitches with positive evaluations + certified Rigger Level 1/banksman course; accelerated for high performers with spotless HSE record.