diff --git a/src/pages/WellOperations/WellCompositeEditor/WellCompositeSections.jsx b/src/pages/WellOperations/WellCompositeEditor/WellCompositeSections.jsx
index a2582b8..021f842 100644
--- a/src/pages/WellOperations/WellCompositeEditor/WellCompositeSections.jsx
+++ b/src/pages/WellOperations/WellCompositeEditor/WellCompositeSections.jsx
@@ -15,7 +15,7 @@ import {
   getOperations 
 } from '../../Cluster/functions'
 import ChartTvD from '../ChartTvD'
-import { DrillParamsService } from '../../../services/api'
+import { DrillParamsService, WellCompositeService } from '../../../services/api'
 import LoaderPortal from '../../../components/LoaderPortal'
 import WellOperationsTable from '../../Cluster/WellOperationsTable'
 import { invokeWebApiWrapperAsync } from '../../../components/factory'
@@ -73,6 +73,7 @@ export const WellCompositeSections = ({idWell, statsWells, selectedSections}) =>
         let row = {
           key: well.caption + section.id,
           id: well.id,
+          sectionId: section.id,
           caption: well.caption,
           sectionType: section.caption,
           sectionWellDepthPlan: section.plan?.wellDepthEnd,
@@ -121,8 +122,13 @@ export const WellCompositeSections = ({idWell, statsWells, selectedSections}) =>
   }, [statsWells])
 
   useEffect(() => {
-    
-  }, [selectedSections])
+    const selected = rows.filter((row) => selectedSections.some(section => (
+      section.idWellSrc === row.id && section.idWellSectionType === row.sectionId
+    )))
+
+    setSelectedWells(selected)
+    setSelectedWellsKeys(selected.map((row) => row.key))
+  }, [rows, selectedSections])
 
   const columns = [
     makeTextColumn("скв №", "caption", null, null, 
@@ -178,10 +184,17 @@ export const WellCompositeSections = ({idWell, statsWells, selectedSections}) =>
 
   const rowSelection = {
     selectedRowKeys: selectedWellsKeys,
-    onChange: (keys, items) => {
-      setSelectedWells(items)
-      setSelectedWellsKeys(keys)
-    },
+    onChange: (keys, items) => invokeWebApiWrapperAsync(
+      async () => {
+        const selectedSections = items.map((row) => ({idWell, idWellSrc: row.id, idWellSectionType: row.sectionId}))
+        await WellCompositeService.save(idWell, selectedSections)
+
+        setSelectedWells(items)
+        setSelectedWellsKeys(keys)
+      },
+      setShowLoader,
+      'Не удалось сохранить изменения выбранных секций для композитной скважины'
+    )
   }
 
   const onParamButtonClick = () => invokeWebApiWrapperAsync(
diff --git a/src/pages/WellOperations/WellCompositeEditor/index.jsx b/src/pages/WellOperations/WellCompositeEditor/index.jsx
index 2ceae7d..37bb544 100644
--- a/src/pages/WellOperations/WellCompositeEditor/index.jsx
+++ b/src/pages/WellOperations/WellCompositeEditor/index.jsx
@@ -17,7 +17,6 @@ export const WellCompositeEditor = ({idWell}) => {
     const [wellsTree, setWellsTree] = useState([])
     const [showLoader, setShowLoader] = useState(false)
     const [showTabLoader, setShowTabLoader] = useState(false)
-    const [selectedWells, setSelectedWells] = useState([])
     const [selectedIdWells, setSelectedIdWells] = useState([])
     const [statsWells, setStatsWells] = useState([])
     const [selectedSections, setSelectedSections] = useState([])
@@ -62,6 +61,11 @@ export const WellCompositeEditor = ({idWell}) => {
         )
     }, [idWell])
 
+    useEffect(() => {
+        const wellIds = selectedSections.map((value) => value.idWellSrc)
+        setSelectedIdWells(wellIds)
+    }, [selectedSections])
+
     useEffect(() => invokeWebApiWrapperAsync(
         async () => {
             const stats = await WellOperationStatService.getWellsStat(selectedIdWells)
@@ -71,13 +75,6 @@ export const WellCompositeEditor = ({idWell}) => {
         'Не удалось загрузить статистику по скважинам/секциям'
     ), [selectedIdWells])
 
-    const onWellChanged = (value) => {
-        setSelectedWells(value)
-        setSelectedIdWells(value)
-    }
-
-    const tagRender = (props) => <Tag {...props}>{wellLabels[props.value] ?? props.label}</Tag>
-
     return (
         <LoaderPortal show={showLoader}>
             <Row align={'middle'} justify={'space-between'} wrap={false}>
@@ -89,12 +86,14 @@ export const WellCompositeEditor = ({idWell}) => {
                         treeDefaultExpandAll
                         treeData={wellsTree}
                         treeLine={{showLeafIcon: false}}
-                        onChange={onWellChanged}
+                        onChange={(value) => setSelectedIdWells(value)}
                         size={'middle'}
                         style={{width: '100%'}}
-                        value={selectedWells}
+                        value={selectedIdWells}
                         placeholder={'Выберите скважины'}
-                        tagRender={tagRender}
+                        tagRender={(props) => (
+                            <Tag {...props}>{wellLabels[props.value] ?? props.label}</Tag>
+                        )}
                     />
                 </Col>
                 <Col span={6}>
diff --git a/src/pages/WellOperations/WellDrillParams.jsx b/src/pages/WellOperations/WellDrillParams.jsx
index 6fbbc00..a36df85 100644
--- a/src/pages/WellOperations/WellDrillParams.jsx
+++ b/src/pages/WellOperations/WellDrillParams.jsx
@@ -43,14 +43,14 @@ export const WellDrillParams = ({idWell}) => {
 
     const onAdd = async (param) => {
         param.idWell = idWell
-        await DrillParamsService.save(idWell, param)
+        await DrillParamsService.insert(idWell, param)
         updateParams()
     }
 
     const onEdit = async (param) => {
         if (!param.id) return
         param.idWell = idWell
-        await DrillParamsService.edit(idWell, param)
+        await DrillParamsService.update(idWell, param.id, param)
         updateParams()
     }