| Parameter | Description |
|
1_MINUTE_GEL_STRENGTH
| Shear Stress required to break a gel fluid previously allowed to remain at rest for 1 minute. |
|
1_MINUTE_GEL_TEST_DEFLECTION
| The maximum reading (deflection) taken from a direct-reading viscometer after the fluid has been quiescent for 1 minutes. |
|
10_MINUTE_GEL_STRENGTH
| Shear Stress required to break a gel fluid previously allowed to remain at rest for 10 minutes. |
|
10_MINUTE_GEL_TEST_DEFLECTION
| The maximum reading (deflection) taken from a direct-reading viscometer after the fluid has been quiescent for 10 minutes. |
|
10_SECOND_GEL_STRENGTH
| Shear Stress required to break a gel fluid previously allowed to remain at rest for 10 seconds. |
|
10_SECOND_GEL_TEST_DEFLECTION
| The maximum reading (deflection) taken from a direct-reading viscometer after the fluid has been quiescent for 10 seconds. |
|
30_MINUTE_GEL_STRENGTH
| Shear Stress required to break a gel fluid previously allowed to remain at rest for 30 minutes. |
|
30_MINUTE_GEL_TEST_DEFLECTION
| The maximum reading (deflection) taken from a direct-reading viscometer after the fluid has been quiescent for 30 minutes. |
|
API_PLASTIC_VISCOSITY
| Measure of the internal resistance to fluid flow attributable to the amount, type, and size of solids present in a given fluid. When using the direct-indicating viscometer, it is found by subtracting the 300-rpm reading from the 600-rpm reading of a Fann35 rheometer. |
|
API_YIELD_STRESS
| Resistance to initial flow; the stress required to start fluid movement. When using the direct-indicating viscometer, it is found by subtracting plastic viscosity (API_Plastic_Viscosity) from the 300-rpm reading of a Fann35 rheometer. |
|
BHA_NUMBER
| Number assigned to a bottom hole assembly (BHA) at the wellsite |
|
BHA_RUN_NUMBER
| Number assigned to a bottom hole assembly (BHA) when it is run into the hole |
|
BIT_NUMBER
| Number assigned to a bit at the wellsite inventory |
|
BIT_OPERATING_TIME
| Operating time of the bit over the reporting period. |
|
BIT_RUN_NUMBER
| Number assigned to a bit when it is run into the hole |
|
CASSON_PLASTIC_VISCOSITY
| Measure of the internal resistance to fluid flow attributable to the amount, type, and size of solids present in a given fluid. The Casson model equation is: SQRT(Shear_Stress) = SQRT(Yield_Stress) + SQRT(Plastic_Viscosity X Shear_Rate) |
|
CASSON_YIELD_STRESS
| Resistance to initial flow; the stress required to start fluid movement. The Casson model equation is: SQRT(Shear_Stress) = SQRT(Yield_Stress) + SQRT(Plastic_Viscosity X Shear_Rate) |
|
CIRCULATING_PRESSURE
| Fluid pressure under circulating conditions. |
|
CIRCULATION_LOSS_DEPTH
| Depth at which circulation is being lost to the formation. |
|
CIRCULATION_LOSS_RATE
| Rate of loss of drilling fluid to the formation, due to mud density exceeding formation fracture pressure gradient, and/or to drilling through a highly permeable formation. |
|
ELECTRICAL_STABILITY
| Measure of the emulsion stability and oil-wetting capability in oil based drilling fluid muds. |
|
FIT_EQUIVALENT_MUD_WEIGHT
| Equivalent mud weight determined by the formation integrity test (FIT) for a new formation below last casing shoe via increasing the pressure until a pre-determined value. |
|
FRACTURE_PRESSURE_EMW
| Fluid pressure in the wellbore required to undergo hydraulic fracturing, expressed in terms of equivalent mud density. |
|
HTHP_FILTER_CAKE_THICKNESS
| Thickness of filter cake produced under high temperature, high pressure (HTHP) conditions. |
|
HTHP_FILTRATE_VOLUME
| Volume of filtrate produced under high temperature, high pressure (HTHP) conditions. |
|
JAR_OPERATING_TIME
| Operating time of the jar over the reporting period. |
|
LOT_EQUIVALENT_MUD_WEIGHT
| Equivalent mud weight determined by the leak off test (LOT) for a new formation below last casing shoe via increasing the pressure until the formation starts taking fluid. |
|
LTLP_FILTER_CAKE_THICKNESS
| Thickness of filter cake produced under low temperature, low pressure (LTLP) conditions. |
|
LTLP_FILTRATE_VOLUME
| Volume of filtrate produced under low temperature, low pressure (LTLP) conditions. |
|
LWD_OPERATING_TIME
| Operating time of the logging-while-drilling (LWD) equipment over the reporting period. |
|
MATERIAL_ADDITION_COUNT
| Number of packaging units of chemicals added to the drilling fluid. (e.g., Add 5 sacks of Barite C100 100lb/sack to the drilling fluid) |
|
MATERIAL_ADDITION_DEPTH_INCREMENT
| The depth increment at which the material addition takes place (e.g., Add 5 sacks of Barite C100 100lb/sack to the drilling fluid each 500 ft) |
|
MF_TITRATION_VOLUME
| Amount of 0.02 normal (N/50) standard sulfuric acid required in order to turn the color of methyl orange indicator solution from yellow to pink when determining methyl orange alkalinity of the mud filtrate, Mf, API RP13 Section 8, Chemical Analysis. |
|
MOTOR_OPERATING_TIME
| Operating time of the motor over the reporting period. |
|
MUD_FILTRATE_METHYL_ORANGE_ALKALINITY_MF
| The volume ratio of 0.02 normal (N/50) standard sulfuric acid (Mf_Titration_Volume) including that amount required for the Pf endpoint (Pf_Titration_Volume) to mud filtrate, API RP13 Section 8, Chemical Analysis. |
|
MUD_FILTRATE_PHENOLPHTHALEIN_ALKALINITY_PF
| The volume ratio of 0.02 normal (N/50) standard sulfuric acid (Pf_Titration_Volume) to mud filtrate volume, API RP13 Section 8, Chemical Analysis. |
|
MUD_PHENOLPHTHALEIN_ALKALINITY_PM
| The volume ratio of 0.02 normal (N/50) standard sulfuric acid (Pm_Titration_Volume) to mud volume in API Mud Phenolphthalein Alkalinity test (API RP13 Section 8, Chemical Analysis). |
|
MUD_PUMP_MONITORING_PURPOSE
| The purpose of the mud pump monitoring. It can be either for well control or monitoring the pump parameters at working conditions. |
|
MWD_OPERATING_TIME
| Operating time of the MWD equipment over the reporting period. |
|
OPTIMUM_FLAG
| Indicates whether the activity, process or solution is optimum. |
|
PF_TITRATION_VOLUME
| Amount of 0.02 normal (N/50) standard sulfuric acid required in order to turn the color of phenolphthalein indicator solution from pink to colorless when determining phenolphthalein alkalinity of the mud filtrate, Pf, API RP13 Section 8, Chemical Analysis. |
|
PM_TITRATION_VOLUME
| Amount of 0.02 normal (N/50) standard sulfuric acid required in order to turn the color of phenolphthalein indicator solution from pink to colorless when determining phenolphthalein alkalinity of the mud, Pm, API RP13 Section 8, Chemical Analysis. |
|
PORE_PRESSURE_EMW
| The pressure of the fluid contained in the pore volume, expressed in terms of equivalent mud density. |
|
ROTATING_WEIGHT
| Surface weight of the drillstring while drilling |
