diff --git a/pypvt/_cli.py b/pypvt/_cli.py
index f02915e..e1372ba 100644
--- a/pypvt/_cli.py
+++ b/pypvt/_cli.py
@@ -14,7 +14,7 @@ def pvt_consistency_check(args: argparse.Namespace) -> None:
         Nothing
     """
 
-    fluid_description = FieldFluidDescription(ecl_case=args.ecl_case)
+    fluid_description = FieldFluidDescription(ecl_case=args.ecl_case, kwfile_dict={})
 
     print(fluid_description.validate_description())
     for fluid in fluid_description.fluid_descriptions:
@@ -24,6 +24,49 @@ def pvt_consistency_check(args: argparse.Namespace) -> None:
     fluid_description.create_consistency_report()
 
 
+def pvt_consistency_adjustment(args: argparse.Namespace) -> None:
+    """
+    Entrypoint for running pypvt consistency adjustment,
+    ie adjusting the xxvd tables to be consistent with
+    respect to contacts.
+
+    Args:
+        args: input namespace from argparse
+
+    Returns:
+        Nothing
+    """
+
+    print("Running adjustment algorithm, more to come :)")
+    kwfile_dict = {}
+    if args.equil_file:
+        kwfile_dict["EQUIL"] = args.equil_file
+    if args.rsvd_file:
+        kwfile_dict["RSVD"] = args.rsvd_file
+    if args.rvvd_file:
+        kwfile_dict["RVVD"] = args.rvvd_file
+    if args.pbvd_file:
+        kwfile_dict["PBVD"] = args.pbvd_file
+    if args.pdvd_file:
+        kwfile_dict["PDVD"] = args.pdvd_file
+    if args.pvt_file:
+        kwfile_dict["PVT"] = args.pvt_file
+    fluid_description = FieldFluidDescription(
+        ecl_case=args.ecl_case, kwfile_dict=kwfile_dict
+    )
+
+    print(fluid_description.validate_description())
+    # fnr = 0
+    # for fluid in fluid_description.fluid_descriptions:
+    #    fluid.calc_fluid_prop_vs_depth(no_nodes=args.nodes)
+    #    fluid.inplace_report()
+    #    fluid.pvt_gradient_check()
+    #    if fnr >0:
+    #        break
+    #    fnr +=1
+    # fluid_description.create_consistency_report()
+
+
 def main() -> None:
     """
     Main functionality run when the 'pypvt' command-line tool is called.
@@ -57,6 +100,66 @@ def main() -> None:
     )
 
     parser_checks.set_defaults(func=pvt_consistency_check)
+
+    parser_adjust = subparsers.add_parser(
+        "adjust",
+        help="Adjustment of rsvd/pbvd tables to make model consistent with respect to pvt.",
+    )
+
+    parser_adjust.add_argument(
+        "--ecl_case",
+        required=True,
+        type=pathlib.Path,
+        help="""Path to eclipse deck that has been run, eg a refcase,
+        to read necessary kws from. Updated kws should be
+        added by use of the optional arguments.""",
+    )
+
+    parser_adjust.add_argument(
+        "--equil_file",
+        type=pathlib.Path,
+        help="File with updated equil kw to override the one from ecl_case",
+    )
+
+    parser_adjust.add_argument(
+        "--pvt_file",
+        type=pathlib.Path,
+        help="File with updated pvt kw to override the one from ecl_case",
+    )
+
+    parser_adjust.add_argument(
+        "--rsvd_file",
+        type=pathlib.Path,
+        help="File with rsvd kw to override the one from ecl_case",
+    )
+
+    parser_adjust.add_argument(
+        "--rvvd_file",
+        type=pathlib.Path,
+        help="File with rvvd kw to override the one from ecl_case",
+    )
+
+    parser_adjust.add_argument(
+        "--pbvd_file",
+        type=pathlib.Path,
+        help="File with PBVD kw to override the one from ecl_case",
+    )
+
+    parser_adjust.add_argument(
+        "--pdvd_file",
+        type=pathlib.Path,
+        help="File with PDVD kw to override the one from ecl_case",
+    )
+
+    parser_adjust.add_argument(
+        "--output",
+        required=True,
+        type=pathlib.Path,
+        help="Name of consistent output table",
+    )
+
+    parser_adjust.set_defaults(func=pvt_consistency_adjustment)
+
     args = parser.parse_args()
     args.func(args)
 
diff --git a/pypvt/field_fluid_description.py b/pypvt/field_fluid_description.py
index ebf635b..c5fef04 100644
--- a/pypvt/field_fluid_description.py
+++ b/pypvt/field_fluid_description.py
@@ -37,69 +37,113 @@ class FieldFluidDescription:
     for a collection of fluid systems, ie a field.
     """
 
-    def __init__(self, ecl_case=None):
+    @staticmethod
+    def _parse_ecl_case(case_name):
+        eclfiles = ecl2df.EclFiles(case_name)
+        df_dict = {}
+        try:
+            df_dict["GRID"] = ecl2df.grid.df(eclfiles)
+        except KeyError:
+            print("No grid found, exiting")
+            sys.exit()
+
+        df_dict["PVT"] = ecl2df.pvt.df(eclfiles)
+        df_dict["EQUIL"] = ecl2df.equil.df(eclfiles, keywords="EQUIL")
+        df_dict["RSVD"] = ecl2df.equil.df(eclfiles, keywords="RSVD")
+        df_dict["RVVD"] = ecl2df.equil.df(eclfiles, keywords="RVVD")
+        df_dict["PBVD"] = ecl2df.equil.df(eclfiles, keywords="PBVD")
+        df_dict["PDVD"] = ecl2df.equil.df(eclfiles, keywords="PDVD")
+
+        return df_dict
+
+    @staticmethod
+    def _kw_from_files(case_name, kw_dict, ntequil):
+        kw_dict_from_file = {}
+        for key in kw_dict.keys():
+            if key == "EQUIL":
+                eclfiles = ecl2df.EclFiles(case_name)
+                deck = eclfiles.get_ecldeck()
+                fake_data = ""
+                if "OIL" in deck:
+                    fake_data += """
+                    OIL
+                    """
+                if "GAS" in deck:
+                    fake_data += """
+                    GAS
+                    """
+                if "WATER" in deck:
+                    fake_data += """
+                    WATER
+                    """
+                df = ecl2df.equil.df(
+                    fake_data + open(kw_dict[key], "r").read(),
+                    keywords="EQUIL",
+                    ntequl=ntequil,
+                )
+                assert "KEYWORD" in df, (
+                    "Unable to read " + key + " kw from file: " + str(kw_dict[key])
+                )
+                kw_dict_from_file[key] = df
+
+            elif key in ["RSVD", "RVVD", "PBVD", "PDVD"]:
+                df = ecl2df.equil.df(
+                    open(kw_dict[key], "r").read(), keywords=key, ntequl=ntequil
+                )
+                assert "KEYWORD" in df, (
+                    "Unable to read " + key + " kw from file: " + str(kw_dict[key])
+                )
+                kw_dict_from_file[key] = df
+            elif key == "PVT":
+                df = ecl2df.pvt.df(eclfiles)
+                assert "KEYWORD" in df, (
+                    "Unable to read " + key + " kw from file: " + str(kw_dict[key])
+                )
+                kw_dict_from_file[key] = df
+            else:
+                raise KeyError("KW " + key + " not supported")
+
+        return kw_dict_from_file
+
+    def __init__(self, ecl_case, kwfile_dict):
         self.fluid_descriptions = list([])
         self.inactive_fluid_descriptions = list([])
         self.fluid_index = {}
         self.inacive_fluid_index = {}
-        self.max_depth = (10000,)
-        self.min_depth = (0,)
 
         self._records_list = []
         self._pvt_logger = logging.getLogger(__name__)
         self._pvt_logger.addHandler(RecordsListHandler(self._records_list))
 
+        eclkwdf_dict = {}
         if ecl_case:
-            self.init_from_ecl(ecl_case)
-
-    @property
-    def logger(self):
-        return self._pvt_logger
+            eclkwdf_dict = self._parse_ecl_case(ecl_case)
 
-    def records_list(self):
-        return self._records_list
-
-    @staticmethod
-    def _parse_case(case_name):
-        eclfiles = ecl2df.EclFiles(case_name)
-        dataframes = {}
-
-        dataframes["GRID"] = ecl2df.grid.df(eclfiles)
-        dataframes["PVT"] = ecl2df.pvt.df(eclfiles)
-        dataframes["EQUIL"] = ecl2df.equil.df(eclfiles, keywords="EQUIL")
-        dataframes["RSVD"] = ecl2df.equil.df(eclfiles, keywords="RSVD")
-        dataframes["RVVD"] = ecl2df.equil.df(eclfiles, keywords="RVVD")
-        dataframes["PBVD"] = ecl2df.equil.df(eclfiles, keywords="PBVD")
-        dataframes["PDVD"] = ecl2df.equil.df(eclfiles, keywords="PDVD")
-
-        return dataframes
-
-    def init_from_ecl(self, case):
-        ecldf_dict = FieldFluidDescription._parse_case(case)
-
-        grid = None
-        try:
-            grid = ecldf_dict["GRID"]
-        except KeyError:
-            print("No grid found, exiting")
-            sys.exit()
+        if kwfile_dict:
+            ntequl = len(eclkwdf_dict["EQUIL"]["EQLNUM"].unique())
+            eclkwdf_dict = {
+                **eclkwdf_dict,
+                **self._kw_from_files(ecl_case, kwfile_dict, ntequl),
+            }
 
         top_struct = None
         bottom_struct = None
-        if ecldf_dict["GRID"] is not None:
+        grid = None
+        if eclkwdf_dict["GRID"] is not None:
+            grid = eclkwdf_dict["GRID"]
             top_struct = grid["Z"].min()
             bottom_struct = grid["Z"].max()
 
         pvt = None
         try:
-            pvt = ecldf_dict["PVT"]
+            pvt = eclkwdf_dict["PVT"]
         except KeyError:
             print("No pvt found, exiting")
             sys.exit()
 
         equil = None
         try:
-            equil = ecldf_dict["EQUIL"]
+            equil = eclkwdf_dict["EQUIL"]
         except KeyError:
             print("No equil found, exiting")
             sys.exit()
@@ -121,7 +165,7 @@ def init_from_ecl(self, case):
                         pvtnum=int(pvtnr),
                         pvt_logger=self.logger,
                     )
-                fluid.init_from_ecl_df(ecldf_dict)
+                fluid.init_from_ecl_df(eclkwdf_dict)
                 self.fluid_descriptions.append(fluid)
                 self.fluid_index[int(equilnr)] = fluid_index
                 fluid_index += 1
@@ -134,11 +178,18 @@ def init_from_ecl(self, case):
             fluid = ElementFluidDescription(
                 eqlnum=int(equilnr), pvtnum=len(pvt["PVTNUM"].unique())
             )
-            fluid.init_from_ecl_df(ecldf_dict)
+            fluid.init_from_ecl_df(eclkwdf_dict)
             self.inactive_fluid_descriptions.append(fluid)
             self.inacive_fluid_index[int(equilnr)] = fluid_index
             fluid_index += 1
 
+    @property
+    def logger(self):
+        return self._pvt_logger
+
+    def records_list(self):
+        return self._records_list
+
     def validate_description(self):
         """
         Check if the minimum requirements of a fluid description is fulfilled:
diff --git a/tests/data/adjust_config.yml b/tests/data/adjust_config.yml
new file mode 100644
index 0000000..5dbd1ee
--- /dev/null
+++ b/tests/data/adjust_config.yml
@@ -0,0 +1,13 @@
+rsvd_files:
+  -base: /path/to/base_rs.inc
+  -opt: /path/to/opt_rs.inc
+  -pes: /path/to/pes_rs.inc
+
+rvvd_files:
+  -base: /path/to/base_rv.inc
+  -opt: /path/to/opt_rv.inc
+  -pes: /path/to/pes_rv.inc
+
+eqil_file: /path/to/updated/equil.inc
+  
+Output: updated_rsvd.inc
\ No newline at end of file
diff --git a/tests/data/interp_config.yml b/tests/data/interp_config.yml
new file mode 100644
index 0000000..9c3ddad
--- /dev/null
+++ b/tests/data/interp_config.yml
@@ -0,0 +1,20 @@
+rsvd_files:
+  -base: /path/to/base_rs.inc
+  -opt: /path/to/opt_rs.inc
+  -pes: /path/to/pes_rs.inc
+
+rvvd_files:
+  -base: /path/to/base_rv.inc
+  -opt: /path/to/opt_rv.inc
+  -pes: /path/to/pes_rv.inc
+
+eqil_file: /path/to/updated/equil.inc
+  
+Output: updated_rsvd.inc
+
+interpolation:
+  -equilnums: []
+  -param: 0.54
+interpolation:
+  -equilnums: [1,4,72]
+  -param: -0.2 
\ No newline at end of file