12.3.5 CementingFluid

Topic Version1Published11/11/2016
For StandardWITSML v2.0
Type:ClassStereotype:«XSDcomplexType»

Cementing Fluid Component Schema.

Table 12.3.5-1 Attributes

Name

Type

Notes

ClassSlurryDryBlend

String64

Slurry class.

ConsTestThickening

DimensionlessMeasure

Test thickening consistency/slurry viscosity: Bearden Consistency (Bc) 0 to 100.

DensAtPres

MassPerVolumeMeasure

Slurry density at pressure.

DensBaseFluid

MassPerVolumeMeasure

Density of base fluid.

DensConstGasFoam

MassPerVolumeMeasure

Constant gas ratio method: average density.

DensConstGasMethod

MassPerVolumeMeasure

Constant gas ratio method: average density.

DensDryBlend

MassPerVolumeMeasure

Density of dry blend.

Density

MassPerVolumeMeasure

Fluid density.

DescFluid

String64

Fluid description.

DryBlendDescription

String64

Description of dry blend.

DryBlendName

String64

Name of dry blend.

ETimComprStren1

TimeMeasure

Compressive strength time 1.

ETimComprStren2

TimeMeasure

Compressive strength time 2.

ETimThickening

TimeMeasure

Test thickening time.

ETimTransitions

TimeMeasure

The elapsed time between the development of 100lbf/100sq ft gel strength and 500lbf/100 sq ft gel strength.

ETimZeroGel

TimeMeasure

The elapsed time from initiation of the static portion of the test until the slurry attains a gel strength of 100lbf/100sq ft.

ExcessPc

VolumePerVolumeMeasure

Excess percent.

FluidIndex

PositiveLong

Fluid Index: 1: first fluid pumped (= original mud), last - 1 = tail cement, last = displacement mud.

FluidRheologicalModel

String64

Specify one of these models: Newtonian, Bingham, Power Law, and Herschel Bulkley.

FoamUsed

boolean

Foam used? Values are "true" (or "1") and "false" (or "0").

Gel10MinReading

PlaneAngleMeasure

Gel reading after 10 minutes.

Gel10MinStrength

PressureMeasure

Gel strength after 10 minutes.

Gel10SecReading

PlaneAngleMeasure

Gel reading after 10 seconds.

Gel10SecStrength

PressureMeasure

Gel strength after 10 seconds.

Gel1MinReading

PlaneAngleMeasure

Gel reading after 1 minute.

Gel1MinStrength

PressureMeasure

Gel strength after 1 minute.

K

DimensionlessMeasure

Consistency index (Power Law and Herschel Bulkley models).

MassDryBlend

MassMeasure

Mass of dry blend: the blend is made of different solid additives: the volume is not constant.

MassSackDryBlend

MassMeasure

Weight of a sack of dry blend.

N

DimensionlessMeasure

Power Law index (Power Law and Herschel Bulkley models).

PcFreeWater

VolumePerVolumeMeasure

Test free water na: = mL/250ML.

PresComprStren1

PressureMeasure

Compressive strength pressure 1.

PresComprStren2

PressureMeasure

Compressive strength pressure 2.

PresTestFluidLoss

PressureMeasure

Test fluid loss pressure.

PresTestThickening

PressureMeasure

Test thickening pressure.

Purpose

String64

Purpose description.

RatioConstGasMethodAv

VolumePerVolumeMeasure

Constant gas ratio method ratio.

RatioConstGasMethodEnd

VolumePerVolumeMeasure

Constant gas ratio method: final method ratio.

RatioConstGasMethodStart

VolumePerVolumeMeasure

Constant gas ratio method: initial method ratio.

RatioMixWater

VolumePerMassMeasure

Mix-water ratio.

SlurryPlacementInterval

MdInterval

Measured depth interval between the top and base of the slurry placement.

SolidVolumeFraction

VolumePerVolumeMeasure

Equals 1 - Porosity.

SourceWater

String64

Water source description.

TempComprStren1

ThermodynamicTemperatureMeasure

Compressive strength temperature 1.

TempComprStren2

ThermodynamicTemperatureMeasure

Compressive strength temperature 2.

TempFluidLoss

ThermodynamicTemperatureMeasure

Test fluid loss temperature.

TempFreeWater

ThermodynamicTemperatureMeasure

Test free water temperature.

TempThickening

ThermodynamicTemperatureMeasure

Test thickening temperature.

TimeFluidLoss

TimeMeasure

Test fluid loss: dehydrating test period, used to compute the API fluid loss.

TypeBaseFluid

String64

Type of base fluid: fresh water, sea water, brine, brackish water.

TypeFluid

String64

Fluid type: Mud, Wash, Spacer, Slurry.

TypeGasFoam

String64

Gas type used for foam job.

uid

String64

Unique identifier for this cementing fluid.

Viscosity

DynamicViscosityMeasure

Viscosity (if Newtonian model) or plastic viscosity (if Bingham model).

VolAPIFluidLoss

VolumeMeasure

API fluid loss = 2 * volTestFluidLoss * SQRT(30/timefluidloss).

VolCement

VolumeMeasure

Volume of cement.

VolFluid

VolumeMeasure

Fluid/slurry volume.

VolGasFoam

VolumeMeasure

Volume of gas used for foam job.

VolOther

VolumeMeasure

Other volume.

VolPumped

VolumeMeasure

Volume pumped.

VolReserved

VolumeMeasure

Volume reserved.

VolTestFluidLoss

VolumeMeasure

Test fluid loss.

VolTotSlurry

VolumeMeasure

Total Slurry Volume.

VolWater

VolumeMeasure

Volume of water.

VolYield

VolumePerMassMeasure

Slurry yield.

Yp

PressureMeasure

Yield point (Bingham and Herschel Bulkley models).

Table 12.3.5-2 Associations

Association

Notes

From: CementingFluid.CementAdditive

0..*To: CementAdditive

Association

Additives can be added in slurry but also in spacers, washes, and mud.

From: CementingFluid.Rheometer

0..*To: Rheometer

Association

 

From: CementJob.

0..*To: CementingFluid

Association

Displaced Mud, washes and spacers, cements, displacement mud.