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ECL peaceman wells: distinguish between target and observed pressures

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... and also print the latter to the console.
This commit is contained in:
Andreas Lauser 2014-08-07 00:00:49 +02:00
parent 4e59104a80
commit 2fc2cabc98
2 changed files with 38 additions and 24 deletions
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54
ewoms/wells/eclpeacemanwell.hh
View File

@ -237,8 +237,8 @@ public:
// use one bar for the default bottom and top hole
// pressures. For the bottom hole pressure, this is probably
// off by at least one magnitude...
bottomHolePressure_ = 1e5;
topHolePressure_ = 1e5;
targetBhp_ = 1e5;
targetThp_ = 1e5;
// By default, all fluids exhibit the weight 1.0
for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx)
@ -343,7 +343,10 @@ public:
// we assume that the z-coordinate represents depth (and not
// height) here...
bottomDepth_ = std::max(bottomDepth_, dofPos[2]);
if (dofPos[2] > bottomDepth_) {
bottomDofGlobalIdx_ = globalDofIdx;
bottomDepth_ = dofPos[2];
}
}
/*!
@ -409,14 +412,14 @@ public:
/*!
* \brief Set the maximum bottom hole pressure [Pa] of the well.
*/
void setBottomHolePressure(Scalar val)
{ bottomHolePressure_ = val; }
void setTargetBottomHolePressure(Scalar val)
{ targetBhp_ = val; }
/*!
* \brief Set the top hole pressure [Pa] of the well.
*/
void setTopHolePressure(Scalar val)
{ topHolePressure_ = val; }
void setTargetTopHolePressure(Scalar val)
{ targetThp_ = val; }
/*!
* \brief Set the maximum combined rate of the fluids at the surface.
@ -478,14 +481,14 @@ public:
// assume a density of 650 kg/m^3 for the bottom hole pressure
// calculation
Scalar rho = 650.0;
effectiveBottomHolePressure_ = topHolePressure_ + rho*bottomDepth_;
effectiveBottomHolePressure_ = targetThp_ + rho*bottomDepth_;
// set the maximum rates to unlimited
maximumReservoirRate_ = 1e100;
maximumSurfaceRate_ = 1e100;
}
else if (controlMode_ == ControlMode::BottomHolePressure) {
effectiveBottomHolePressure_ = bottomHolePressure_;
effectiveBottomHolePressure_ = targetBhp_;
// set the maximum rates to unlimited
maximumReservoirRate_ = 1e100;
@ -496,12 +499,12 @@ public:
// limit. this is a HACK since the effective density must be given and is
// assumed to be constant...
Scalar rhoEff = 650; // kg/m^3
Scalar bhpFromThp = topHolePressure_ + rhoEff*bottomDepth_;
Scalar bhpFromThp = targetThp_ + rhoEff*bottomDepth_;
if (wellType_ == WellType::Injector)
effectiveBottomHolePressure_ = std::max(bhpFromThp, bottomHolePressure_);
effectiveBottomHolePressure_ = std::max(bhpFromThp, targetBhp_);
else if (wellType_ == WellType::Producer)
effectiveBottomHolePressure_ = std::min(bhpFromThp, bottomHolePressure_);
effectiveBottomHolePressure_ = std::min(bhpFromThp, targetBhp_);
}
// make it very likely that we screw up if we control for {surface,reservoir}
@ -549,13 +552,17 @@ public:
}
std::array<Scalar, numPhases> dofSurfaceRate;
const auto& intQuants = context.intensiveQuantities(dofIdx, timeIdx);
computeSurfaceRates_(dofSurfaceRate,
reservoirVolRates,
context.intensiveQuantities(dofIdx, timeIdx).fluidState());
intQuants.fluidState());
dofVariables_[globalDofIdx].unconstraintSurfaceRates = dofSurfaceRate;
for (int phaseIdx = 0; phaseIdx < numPhases; ++ phaseIdx)
unconstraintSurfaceRates_[phaseIdx] += dofSurfaceRate[phaseIdx];
if (globalDofIdx == bottomDofGlobalIdx_)
observedBhp_ = intQuants.fluidState().pressure(oilPhaseIdx);
}
}
@ -583,7 +590,8 @@ public:
Scalar weightedSurfaceRate = computeWeightedRate_(unconstraintSurfaceRates_);
std::cout << "Well '" << name() << "':\n";
std::cout << " BHP: " << bottomHolePressure_ << "\n";
std::cout << " Target BHP: " << targetBhp_ << "\n";
std::cout << " Observed BHP: " << observedBhp_ << "\n";
std::cout << " Control mode: " << controlMode_ << "\n";
std::cout << " Unconstraint reservoir rate: " << weightedReservoirRate << "\n";
std::cout << " Unconstraint surface rate: " << weightedSurfaceRate << "\n";
@ -653,8 +661,8 @@ public:
res.serializeSectionBegin("PeacemanWell");
res.serializeStream()
<< topHolePressure_ << " "
<< bottomHolePressure_ << " "
<< targetThp_ << " "
<< targetBhp_ << " "
<< controlMode_ << " "
<< wellType_ << " "
<< maximumSurfaceRate_ << " "
@ -684,8 +692,8 @@ public:
{
res.deserializeSectionBegin("PeacemanWell");
res.deserializeStream()
>> topHolePressure_
>> bottomHolePressure_
>> targetThp_
>> targetBhp_
>> controlMode_
>> wellType_
>> maximumSurfaceRate_
@ -944,8 +952,11 @@ protected:
Scalar wellTotalVolume_;
// The assumed bottom and top hole pressures as specified by the user
Scalar bottomHolePressure_;
Scalar topHolePressure_;
Scalar targetBhp_;
Scalar targetThp_;
// real pressure seen at the bottom of the borehole
Scalar observedBhp_;
// The sum of the unconstraint volumetric reservoir rates of all
// degrees of freedom in the well for all fluid phases. This is
@ -1012,6 +1023,9 @@ protected:
// the depth of the deepest DOF. (actually, the center of this
// DOF, but the difference should be minimal.)
Scalar bottomDepth_;
// global index of the DOF at the bottom of the well
int bottomDofGlobalIdx_;
};
} // namespace Ewoms

8
ewoms/wells/eclwellmanager.hh
View File

@ -222,8 +222,8 @@ public:
well->setMaximumSurfaceRate(injectProperties.surfaceInjectionRate);
well->setMaximumReservoirRate(injectProperties.reservoirInjectionRate);
well->setBottomHolePressure(injectProperties.BHPLimit);
well->setTopHolePressure(injectProperties.THPLimit);
well->setTargetBottomHolePressure(injectProperties.BHPLimit);
well->setTargetTopHolePressure(injectProperties.THPLimit);
}
if (deckWell->isProducer(episodeIdx)) {
@ -280,8 +280,8 @@ public:
"Not implemented: Well groups");
}
well->setBottomHolePressure(producerProperties.BHPLimit);
well->setTopHolePressure(producerProperties.THPLimit);
well->setTargetBottomHolePressure(producerProperties.BHPLimit);
well->setTargetTopHolePressure(producerProperties.THPLimit);
}
}
}