| Code | Activity | Description
| | 0 | Undefined Status
| Anything not covered by other activity codes.
|
| 1 | Rig Up & Tear Down
| The act of installing and removing the rig.
The start and end of these operations will be specified by the operator.
|
| 2 | Drilling
| The process of making new hole.
|
| 3 | Connection (drilling)
| The process of adding a joint of drillpipe to the string.
|
| 4 | Reaming
| Return to total depth with pumps on, pipe rotating and/or
weight on bit.
|
| 5 | Hole Opening
| Act of opening pilot hole to full gauge.
|
| 6 | Coring
| Act of cutting a conventional core.
|
| 7 | Condition and/or Circulate mud
| Pumps on with pipe turning slowly and/or some pipe reciprocation
and/or no weight on bit and no increase in total depth.
|
| 8 | Tripping In
| The act of running the drillstring into the hole.
|
| 9 | Tripping Out
| The act of pulling the drillstring from the hole.
|
| 10 | Lubricate Rig
| Regularly scheduled service or preventative maintenance
which interrupts the current rig activity.
|
| 11 | Rig Repair
| An unscheduled interruption to the current rig activity resulting from
equipment failure, e.g. blown pop-off valve, blown swivel packing,
dropping blocks etc.
|
| 12 | Cut/Slip Drilling Line
| The act of cutting and slipping the drilling line.
|
| 13 | Deviation Survey
| The activity associated with taking a survey.
|
| 14 | Wireline Logs
| Time spent rigging up, running, and rigging down wireline tools.
|
| 15 | Run Casing
| The time from rigging up to run casing/liner until casing/liner is
in position.
|
| 16 | Cementing
| The time spent on cementing operations.
|
| 17 | Plug Back
| The time spent setting a cement plug. This does not include tripping.
|
| 18 | Squeeze Cementing
| The time spent performing a cement squeeze job.
This does not include tripping.
|
| 19 | Wait On Cement
| The time required for the cement to gain sufficient strength to drillout,
or the time required by a regulatory agency after the cement
plug is bumped. This time will be supplied by the operator.
|
| 20 | Drill Cement and/or Float Equipment
| Drilling cement, float collar and/or casing shoe following a cement
job, plug back, sidetrack etc.
|
| 21 | Nipple Up /Nipple Down BOP Stack
| The act of installing or removing the BOP stack.
This time will be recorded only if it exceeds the wait-on-cement time.
|
| 22 | Test BOP
| Regularly scheduled BOP test after casing, etc.
|
| 23 | Drill Stem Test
| The time spent drill stem testing. This does not include tripping
the test tool.
|
| 24 | Fishing
| The time spent attempting to fish items from the hole. This does
not include tripping.
|
| 25 | Directional Work
| The time spent performing directional work (not simply a survey).
This does not include tripping.
|
| 26 | Well Control
| Well kill and associated operations, e.g. observe pressures, weight
up mud, circulate on choke, etc.
|
| 27 | Stuck Pipe
| Act of freeing pipe which cannot be pulled by normal processes.
|
| 28 | Wait on Weather
| Waiting caused by adverse weather conditions.
|
| 29 | Subsea
| Run/Pull Riser, stack, wear bushing, etc.
|
| 30 | Flow Check
| Check for fluid flow from well while not pumping
|
| 31 | Pressure Integrity Test
| Pressure test on the casing or a "leak-off" test on exposed formation.
|
| 32 | Lost Circulation
| Time spent combatting lost circulation problems
|
| 33 | Short Trip In
| The act of running the drillstring back to bottom after a short trip.
|
| 34 | Short Trip Out
| The act of pulling the drillstring for a short trip.
|