This commit implements the WELPI feature. We calculate new PI/II
values for all wells in the event of a WELPI request and use those
values for well-specific WELPI request, to calculate CTF scaling
factors. We then apply those factors to all subsequent editions of
the well provided the connection factors are eligible for
WELPI-based rescaling.
If we trigger a rescaling event we also reset the WellState's
internal copies of the CTFs and reinitialize the Well PI calculators
to ensure the rescaling takes effect immediately. Since we rely on
PI values being available at the end of each time step we must also
take care to forward those values from the WellState of one report
step to the WellState of the next report step.
Finally, take care not to redo a WELPI scaling if we've already
performed the scaling operation and restart a report step. This,
in turn, happens if WELPI is requested on the first report step.
This commit adds a new member function
WellState::resetConnectionTransFactors
which overwrites the transmissibility factor of 'well_perf_data_'
pertaining to a particular well. This is to keep the values in
sync following a rescaling operation such as WELPI.
This commit adds a new member function
WellProdIndexCalculator::reInit(const Well& well)
which reinitializes the internal arrays in the same way as the
constructor. This is needed to ensure that the PI calculation
device is synchronised in the case of CTF rescaling-e.g., as a
result of WELPI.
This commit adds a new helper function,
WellInterfacePtr createWellPointer(wellID, reportStep) const
which is responsible for creating appropriately typed derived well
pointers depending on well types (multi-segment vs. standard).
This, in turn, allows us to centralise this logic and use the same
factory function both when creating the 'well_container_' and when
forming the well-test objects.
Finally, this helper will become useful for calculating PI/II values
of shut/stopped wells in the context of WELPI.
The original code assumed that
well_container_.size() == numLocalWells()
This assumption does not hold when wells open/shut dynamically in
the context of WECON and/or WTEST.
Switch to indexing into the 'prod_index_calc_' vector using the
well's own linear index instead of manually advancing iterators.
Pointy Hat: [at]bska
We don't need to do the calculations in terms of EvalWell when we're
going to reduce this to the .value() before calling the PI/II
calculation routine. We can also get by with a simpler approach to
computing the II by assuming we always inject pure phases and no
cross flow in injectors.
Suggested by: [at]atgeirr
This commit makes the PI/II calculation more closely mirror the
approach taken when computing connection flow rates. In particular,
we switch to using total mobility, mixing and volume ratios for
injecting connections while producing connections continue to use
the phase mobilities and formation volume factors derived from
conditions in the connecting cells. We also include dissolved
gas/oil ratios and vaporised oil/gas ratios in order to fully
capture the surface flow conditions.
We split the handling of producing/injecting connections out to
separate helper functions in order to make the overall logic in
updateProductivityIndex() more manageable.ex() more manageable.
This commit ensures that we calculate the well and connection level
per-phase steady-state productivity index (PI) at the end of a
completed time step (triggered from endTimeStep()).
We add a new data member,
BlackoilWellModel<>::prod_index_calc_
which holds one WellProdIndexCalculator for each of the process'
local wells and a new interface member function
WellInterface::updateProductivityIndex
which uses a per-well PI calculator to actually compute the PI
values and store those in the WellState. Implement this member
function for both StandardWell and MultisegmentWell. Were it not
for 'getMobility' existing only in the derived classes, the two
equal implementations could be merged and moved to the interface.
We also add a new data member to the WellStateFullyImplicitBlackoil
to hold the connection-level PI values. Finally, remove the
conditional PI calculation from StandardWell's well equation
assembly routine.
The 'update_reference_data' script refers to this as 'spe12', so
pick the same casename here. While here, also ensure that we use
the correct 'DIR' specification for this test case.
The Polymer, Brine, and Solvent quantities would be extracted from
elements 0..#perf-1 of their pertinent container rather than from
the elements associated to the particular well.
It is only used within this context and produces a warning of the
form
ISTLSolverEbos.hpp:128:25: warning: unused variable ‘gridForConn’
unless the build configures accelerator support.
Switches between using the logarithmic and unit scaling factor based
on whether or not the well has an explicit, positive drainage radius
(WELSPECS item 7). Does presently not include the D factor.
Add a set of unit tests to exercise the facility.
This is in preparation of adding support for outputting the network
node pressure quantity, GPR, to the summary file. In particular,
'GroupValues' is renamed to 'GroupAndNetworkValues' and has new
individual datamembers for the former group-level data and the new
node-level data.
Update BlackoilWellModel::groupData() and CollectToIORank
accordingly and bring the parallel restart facility in line with the
new layout.
This commit switches the helper function
WellGroupHelpers::updateGuideRateForGroups<>()
to include efficiency factors in the potential rates at grouptree
levels below a particular group. We furthermore switch the helper
function
WellGroupHelpers::updateGuideRatesForWells<>()
to not include efficiency factors at all.
The motivation for this change is that efficiency factors always
apply to the level we're accumulating rate values into rather than
to the rate values themselves.
This commit adds support for reporting the simulator's guiderate
values at the well and group levels to the output layer through the
wellData() and groupData() member functions. We add several new
member functions that collectively assemble the values and assign
them to objects of type Opm::data::GuideRateValue for subsequent
output to the summary and restart files.
In particular
getGuideRateValues(const Well&) const
getGuideRateValues(const Group&) const
retrieve the guiderate values for all phases for those individual
wells and groups for which the guideRate_ data member defines a
value. The most complicated function of this commit is
calculateAllGroupGuideRates
which aggregates those individual contributions from the well (leaf)
level up to the root of the group tree (the FIELD group). This
process uses an ancillary array ('up') to keep track of the parent
groups of all wells and all groups, and to ensure that we only visit
each parent group once (sort+unique on subsets of the 'up' array).
We do not currently support outputting guiderates for reservoir
voidage volume (GuideRateModel::Target::RES).
This commit creates a single implementation function for deriving
'RateVector' objects that go into the guiderate calculation. In
particular, we now use the same implementation function for both the
well and the group levels. While here, also expose the group level
derivation as a free function and reimplement the FractionCalculator
version in terms of this free function. Finally, remove the
previous attempt at such a free function taking only the group name.
This function no longer exists in isolation and is only accessible
through the FractionCalculator.
This is in preparation of reporting guiderate values to the output
layer (summary and restart files).
This commit adds two new predicate member functions
bool hasWellRates(well_name) const
bool hasProductionGroupRates(group_name) const
that enable querying the existence of the corresponding flow rate
values for wells and group production.
This is in preparation of reporting the simulator's guiderate values
to the summary and restart files.
Remove left parenthesis character left over from transitioning to
the type-based parameter system. The '(' produced a build failure
which only manifested in debug builds.
Thanks to Håkon Hægland for bringing the issue to our attention.
Especially, grab a copy of the "oldControl" to avoid reading through
a reference for which the underlying object is reset in
setCurrent*GroupControl()
This in turn avoids generating confusing diagnostic messages of the
form
Switching production control mode for group G from FLD to FLD
This commit ensures that we don't issue misleading warning about
output creation directives such as
BASIC
FREQ
RESTART
that could be, and typically are, put into keywords like RPTRST and
RPTSCHED. Previously, we would interpret these directives as names
of cell vectors and we would get very confusing diagnostic messages
of the form
Keyword 'BASIC' is unhandled for output to file
which suggests that 'BASIC' is unsupported despite the output system
supporting the directive for quite some time. While here, also
apply the same reasoning to the vectors we always output such as
SWAT, SGAS, or PRESSURE.
Bård Skaflestad