Channel | Description |
ANNULUS_PRESSURE_DROP
| Computed annulus pressure drop (WITS channel PLA) |
BEARING_BOX_FLOWRATE
| Computed PDM bearing box flowrate |
BIT_FLOWRATE
| Computed bit flowrate |
BIT_HYDRAULIC_POWER_RATIO
| Ratio of bit pressure loss to total system pressure loss |
BIT_PRESSURE_DROP
| Computed bit pressure drop (WITS channel PLB) |
BOTTOMS_UP_STROKE_COUNT
| Bottoms up - number of strokes |
BOTTOMS_UP_TIME
| Bottoms up time |
BROP
| Bit Rate Of Penetration |
CHKP
| Choke Position |
CHOKE_LINE_PRESSURE_DROP
| Computed choke line pressure drop |
CHOKE_PRESSURE_DROP
| Computed choke pressure drop |
CRITICAL_TRANSPORT_RATE
| Minimum flowrate necessary to carry cuttings |
DRILLPIPE_PRESSURE_DROP
| Computed drill pipe pressure drop (WITS channel PLDS) |
ECD_ADDITIONAL
| Computed equivalent circulating density at the additional depth |
ECD_BIT
| Computed equivalent circulating density at the bit (WITS channel ECDBIT) |
ECD_SHOE
| Computed equivalent circulating density at the casing shoe (WITS channel ECDCSG) |
FULL_CIRC_ANNULUS_STROKE_COUNT
| Number of strokes for one full circulation through the annulus |
FULL_CIRC_ANNULUS_TIME
| Time for one full circulation through the annulus |
FULL_CIRC_CHOKE_STROKE_COUNT
| Number of strokes for one full circulation through the choke line |
FULL_CIRC_CHOKE_TIME
| Time for one full circulation through the choke line |
JET_VELOCITY
| Computed fluid velocity through nozzles (WITS channel JV) |
LWD_PRESSURE_DROP
| Computed LWD pressure drop |
MAX_BHPA
| Computed maximum bit horsepower per area |
MAX_JET_FORCE
| Computed maximum jet impact force (WITS channel JIF) |
MAX_PDM_FLOWRATE
| Maximum motor flowrate |
MECHANICAL_HP
| Computed mechanical horse power |
MIN_PDM_FLOWRATE
| Minimum motor flowrate |
MWD_PRESSURE_DROP
| Computed MWD pressure drop (WITS channel PLMW) |
OFF_BOTTOM_PRESSURE_DROP
| Computed off bottom PDM pressure drop |
ON_BOTTOM_PRESSURE_DROP
| Computed On bottom PDM pressure drop |
ON_BOTTOM_RPM
| Computed on bottom motor RPM |
ON_OFF_BOTTOM_PRESSURE_DROP
| On/off bottom pressure drop difference across PDM |
OPTIMUM_HP
| Computed optimum horse power |
PDM_EFFICIENCY
| Computed motor efficiency |
PDM_PRESSURE_DROP
| Computed motor pressure drop (WITS channel PLMM) |
ROTOR_NOZZLE_FLOWRATE
| Computed PDM rotor nozzle flowrate |
RPM
| Rotational Speed |
SHOE_TO_SURFACE_STROKE_COUNT
| Number of strokes to circulate from casing shoe to surface |
SHOE_TO_SURFACE_TIME
| Time to circulate from casing shoe to surface |
SPPA
| Standpipe Pressure |
SUBSEA_BOP_TO_SURFACE_ANNULUS_STROKE_COUNT
| Number of strokes from subsea BOP to surface through choke line |
SUBSEA_BOP_TO_SURFACE_ANNULUS_TIME
| Time to circulate from subsea BOP to surface through the annulus |
SURFACE_PRESSURE_DROP
| Computed surface equipment pressure drop (WITS channel PLSU) |
SURFACE_TO_BIT_STROKE_COUNT
| Number of strokes to circulate from surface to bit |
SURFACE_TO_BIT_TIME
| Time to circulate from surface to bit |
SURFACE_TO_BOP_STROKE_COUNT
| Number of strokes to circulate from the surface to the subsea BOP |
SURFACE_TO_BOP_TIME
| Time to circulate from the surface to the subsea BOP |
TOOL_JOINT_PRESSURE_DROP
| Computed Total Tool Joint pressure drop |
USER_LWD_PRESSURE_DROP
| User-supplied LWD pressure drop for non-SLB tools |
USER_MWD_PRESSURE_DROP
| User-supplied MWD pressure drop for non-SLB tools |