Elements and Performance Criteria
- Plan and prepare for derrick operations
- Access, interpret and apply derrick operations documentation and ensure the work activity is compliant
- Obtain, read, interpret, clarify and confirm work requirements
- Identify and address potential risks, hazards and environmental issues and implement control measures
- Select the personal protective equipment appropriate for the work activity
- Clarify difficulties in carrying out the instructions with the relevant personnel
- Resolve coordination requirements with others at the site prior to commencing, during and on completion of the work activities and ensure briefings/handover details are read/passed on
- Confirm availability and status of necessary permits to work
- Confirm availability of necessary third party utilities
- Confirm availability of required quantities and type of consumables against operational requirements
- Identify errors, omissions and shortages and take appropriate remedial action within functional responsibility
- Inform driller of current operating conditions
- Handle tubulars and equipment
- Inspect and perform routine maintenance of derrick and connected equipment
- Inspect safety lines, ropes, air hoists, monkey board, sheaves, crown block, derrick bolts, pins and welds, and all other lines and equipment in or attached to the derrick
- Lubricate air hoists, sheaves, crown block fast line guide
- Replace defective parts and effect minor repairs
- Perform jobs or tasks such as hanging back of travelling block, replacement of sheaves]
- Complete pre-raise and pre-circulation checks in accordance with statutory and company procedures
- Prepare for and drill surface hole
- Establish circulation
- Perform pre-spud safety checks
- Check all connections and valves to floor are in proper position
- Maintain drilling fluid volume and properties
- Inform driller of current operating conditions
- Maintain written inventory of circulation system/parts
- Check and record in writting fluid additives
- Check availability of derrick casing equipment
- Follow all operators’ instructions
- Participate in head-up and pressure test
- Drill main hole
- Consult driller and fluid engineer’s program, and follow instructions
- Maintain housekeeping and safe practices during drilling
- Assist in completion or abandonment of well as required
- Convert between metric and imperial measurements
- Record in writing reading of depth, direction and azimuth accurately and legibly
- Prepare to commence drilling operations
- Assist in running and cementing of casing
- Follow instructions when running casing
- Align valves and fluid system for casing fill-up line
- Rig up, function test, lubricate and operate casing stabbing board
- Attach and secure safety lines to all circulating lines
- Circulate fluid in accordance with instructions
- Mix chemicals for cementers and align pumps to cementing unit
- Weigh cement as it is being mixed
- Align fluid system for displacement of cement
- Monitor returns and pits to assess circulation and returns
- Assist Driller on drill floor
- Shutdown rig and rig out