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import os
import unittest
from contextlib import contextmanager
import datetime as dt
from pathlib import Path
import re
from opm.simulators import BlackOilSimulator
from opm.io.parser import Parser
from opm.io.ecl_state import EclipseState
from opm.io.schedule import Schedule
from opm.io.summary import SummaryConfig
@contextmanager
def pushd(path):
cwd = os.getcwd()
if not os.path.isdir(path):
os.makedirs(path)
os.chdir(path)
yield
os.chdir(cwd)
class TestBasic(unittest.TestCase):
@classmethod
def setUpClass(cls):
# NOTE: See comment in test_basic.py for the reason why we are
# only using a single test_all() function instead of splitting
# it up in multiple test functions
test_dir = Path(os.path.dirname(__file__))
cls.data_dir = test_dir.parent.joinpath("test_data/SPE1CASE1b")
def test_all(self):
with pushd(self.data_dir):
self.deck = Parser().parse('SPE1CASE1.DATA')
state = EclipseState(self.deck)
self.schedule = Schedule( self.deck, state )
summary_config = SummaryConfig(self.deck, state, self.schedule)
self.unit_system = self.deck.active_unit_system()
self.assertTrue('PROD' in self.schedule)
self.assertTrue('INJ' in self.schedule)
self.assertEqual(dt.datetime(2015, 1, 1), self.schedule.start)
self.assertEqual(dt.datetime(2016, 1, 1), self.schedule.end)
self.sim = BlackOilSimulator(
self.deck, state, self.schedule, summary_config )
tsteps = self.schedule.timesteps
self.assertEqual(dt.datetime(2015, 1, 1), tsteps[0])
last_step = len(tsteps) - 1
self.assertEqual(dt.datetime(2016, 1, 1), tsteps[last_step])
self.sim.step_init()
report_step = 4
self.sim.advance(report_step=report_step)
well_name = "PROD"
prod = self.schedule.get_well(well_name, 2)
self.assertEqual(prod.status(), "OPEN")
#schedule.shut_well("PROD", 3)
#prod = schedule.get_well("PROD", 3)
#self.assertEqual(prod.status(), "SHUT")
self.subtest_modify_prod_weltarg_dynamically(well_name, report_step)
self.sim.step()
report_step = self.sim.current_step()
well_name = "INJ"
self.subtest_modify_inj_weltarg_dynamically(well_name, report_step)
self.sim.advance(report_step=last_step)
self.sim.step_cleanup()
def subtest_modify_inj_weltarg_dynamically(self, well_name, report_step):
prop = self.schedule.get_injection_properties(well_name, report_step)
self.assertEqual(prop['surf_inj_rate'], 100000.0) # Mscf/day
self.assertEqual(prop['resv_inj_rate'], 0.0) # rb/day
self.assertEqual(prop['bhp_target'], 9014.0) # psi
self.assertEqual(prop['thp_target'], 0.0)
new_grat_target = prop['surf_inj_rate'] - 100 # stb/day
self.update_inj_grat_target_wconinje(well_name, new_grat_target)
self.sim.step()
prop2 = self.schedule.get_injection_properties(well_name, report_step+1)
self.assertEqual(prop2['surf_inj_rate'], new_grat_target)
new_grat_target += 200
self.update_inj_grat_target_weltarg(well_name, new_grat_target)
self.sim.step()
prop3 = self.schedule.get_injection_properties(well_name, report_step+2)
self.assertEqual(prop3['surf_inj_rate'], new_grat_target)
def subtest_modify_prod_weltarg_dynamically(self, well_name, report_step):
prop = self.schedule.get_production_properties(well_name, report_step)
self.assertEqual(prop['alq_value'], 0.0)
self.assertEqual(prop['bhp_target'], 1000.0)
self.assertEqual(prop['gas_rate'], 0.0)
self.assertEqual(prop['liquid_rate'], 0.0)
self.assertEqual(prop['oil_rate'], 20000.0)
self.assertEqual(prop['resv_rate'], 0.0)
self.assertEqual(prop['thp_target'], 0.0)
self.assertEqual(prop['water_rate'], 0.0)
new_oil_target = prop['oil_rate'] + 10000 # stb/day
self.update_prod_orat_target_wconprod(well_name, new_oil_target)
self.sim.step()
prop2 = self.schedule.get_production_properties(well_name, report_step+1)
self.assertEqual(prop2['oil_rate'], new_oil_target)
new_oil_target += 1000
self.update_prod_orat_target_weltarg(well_name, new_oil_target)
self.sim.step()
prop3 = self.schedule.get_production_properties(well_name, report_step+2)
self.assertEqual(prop3['oil_rate'], new_oil_target)
# This is an alternative to using WELTARG
def update_inj_grat_target_wconinje(self, well_name, new_surf_flow_rate):
data = self.deck["WCONINJE"]
# assumes data looks like this:
# WCONINJE
# 'INJ' 'GAS' 'OPEN' 'RATE' 100000 1* 9014 /
# /
# The initial rate can also be obtained from data[0][4].get_uda(0).get_double()
data = re.sub(pattern='100000', repl=str(new_surf_flow_rate), string=str(data), count=1)
report_step = self.sim.current_step()
self.schedule.insert_keywords(
data, step=report_step, unit_system=self.unit_system)
# This is an alternative to using WCONINJE to modify injection properties
def update_inj_grat_target_weltarg(self, well_name, net_surf_flow_rate):
data = """
WELTARG
'{}' GRAT {} /
/
""".format(well_name, net_surf_flow_rate)
report_step = self.sim.current_step()
self.schedule.insert_keywords(
data, step=report_step, unit_system=self.unit_system)
# This is an alternative to using WCONPROD to modify production properties
def update_prod_orat_target_weltarg(self, well_name, oil_target):
data = """
WELTARG
'{}' ORAT {} /
/
""".format(well_name, oil_target)
report_step = self.sim.current_step()
self.schedule.insert_keywords(
data, step=report_step, unit_system=self.unit_system)
# This is an alternative to using WELTARG to modify production properties
def update_prod_orat_target_wconprod(self, well_name, oil_target):
well_status = "OPEN"
control_mode = "ORAT"
bhp_limit = 1000 # psia
data = """
WCONPROD
'{}' '{}' '{}' {} 4* {} /
/
""".format(well_name, well_status, control_mode, oil_target, bhp_limit)
report_step = self.sim.current_step()
self.schedule.insert_keywords(
data, step=report_step, unit_system=self.unit_system)
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