diff --git a/src/components/Table/DateRangeWrapper.tsx b/src/components/Table/DateRangeWrapper.tsx
index 587e3bf..4ad140f 100755
--- a/src/components/Table/DateRangeWrapper.tsx
+++ b/src/components/Table/DateRangeWrapper.tsx
@@ -11,6 +11,7 @@ const { RangePicker } = DatePicker
 export type DateRangeWrapperProps = RangePickerSharedProps<Moment> & {
     value?: RangeValue<Moment>,
     isUTC?: boolean
+    allowClear?: boolean
 }
 
 const normalizeDates = (value?: RangeValue<Moment>, isUTC?: boolean): RangeValue<Moment> => {
@@ -21,10 +22,10 @@ const normalizeDates = (value?: RangeValue<Moment>, isUTC?: boolean): RangeValue
   ]
 }
 
-export const DateRangeWrapper = memo<DateRangeWrapperProps>(({ value, isUTC, ...other }) => (
+export const DateRangeWrapper = memo<DateRangeWrapperProps>(({ value, isUTC, allowClear = false, ...other }) => (
   <RangePicker
     showTime
-    allowClear={false}
+    allowClear={allowClear}
     format={defaultFormat}
     defaultValue={[
       moment().subtract(1, 'days').startOf('day'),
diff --git a/src/components/d3/D3HorizontalChart.tsx b/src/components/d3/D3HorizontalChart.tsx
index 27dc934..939a525 100644
--- a/src/components/d3/D3HorizontalChart.tsx
+++ b/src/components/d3/D3HorizontalChart.tsx
@@ -7,7 +7,7 @@ import { useElementSize } from 'usehooks-ts'
 
 import '@styles/d3.less'
 
-type DataType = {
+export type HorizontalChartDataType = {
     name: string
     percent: number
 }
@@ -15,16 +15,22 @@ type DataType = {
 type D3HorizontalChartProps = {
     width?: string
     height?: string
-    data: DataType[]
+    data: HorizontalChartDataType[]
     colors?: string[]
+    selected?: string | null
+    onMouseOver?: (e: MouseEvent, d: HorizontalChartDataType) => void
+    onMouseOut?: (e: MouseEvent, d: HorizontalChartDataType) => void
 }
 
-const D3HorizontalChart = memo((
+export const D3HorizontalChart = memo((
     {
         width: givenWidth = '100%',
         height: givenHeight = '100%',
+        selected,
         data,
-        colors
+        colors,
+        onMouseOver,
+        onMouseOut,
     }: D3HorizontalChartProps) => {
 
     const [rootRef, { width, height }] = useElementSize()
@@ -54,6 +60,7 @@ const D3HorizontalChart = memo((
         const y = d3.scaleBand()
             .domain(names)
             .range([0, chartHeight])
+            .padding(0.25)
 
         // axes
 
@@ -113,16 +120,17 @@ const D3HorizontalChart = memo((
                 .attr('fill', (d, i) => colors ? colors[i] : 'black')
                 .attr('y', d => String(y(d.name)))
                 .attr('height', y.bandwidth())
-                .transition()
-                .duration(1000)
-                .ease(d3.easeLinear)
                 .attr('width', d => d.percent >= 0 ? x(d.percent) : 0)
+                .attr('stroke', d => selected && d.name === selected ? 'black' : '')
+                .attr('stroke-width', d => selected && d.name === selected ? '2' : '0')
+                .on('mouseover', onMouseOver ? onMouseOver : () => {})
+                .on('mouseout', onMouseOut ? onMouseOut : () => {})
         })
 
         return () => {
             svg.remove()
         }
-    }, [width, height, data])
+    }, [width, height, data, colors, selected, onMouseOver, onMouseOut])
 
     return (
         <LoaderPortal show={false} style={{width: givenWidth, height: givenHeight}}>
diff --git a/src/pages/Telemetry/OperationTime/index.tsx b/src/pages/Telemetry/OperationTime/index.tsx
index 7423971..2caed16 100644
--- a/src/pages/Telemetry/OperationTime/index.tsx
+++ b/src/pages/Telemetry/OperationTime/index.tsx
@@ -5,7 +5,7 @@ import { Moment } from 'moment'
 import { DateRangeWrapper, makeColumn, makeNumericRender, Table } from '@components/Table'
 import LoaderPortal from '@components/LoaderPortal'
 import { arrayOrDefault, wrapPrivateComponent } from '@utils'
-import D3HorizontalChart from '@components/d3/D3HorizontalChart'
+import { D3HorizontalChart, HorizontalChartDataType } from '@components/d3/D3HorizontalChart'
 import { useWell } from '@asb/context'
 import { invokeWebApiWrapperAsync } from '@components/factory'
 import { SubsystemOperationTimeService } from '@api'
@@ -49,22 +49,50 @@ const tableColumns = [
             <div style={{ backgroundColor: color, padding: '5px 0' }} />
         ) }),
     makeColumn('Подсистема', 'subsystemName'),
-    makeColumn('% использования', 'kUsage', { render: val => (+val * 100).toFixed(2) }),
-    makeColumn('Проходка, м', 'sumDepthInterval', {render: makeNumericRender(2)}),
-    makeColumn('Время работы, ч', 'usedTimeHours', {render: makeNumericRender(2)}),
-    makeColumn('Кол-во запусков', 'operationCount'),
+    makeColumn('% использования', 'kUsage', { width: 200, render: val => makeNumericRender(2)(+val * 100) }),
+    makeColumn('Проходка, м', 'sumDepthInterval', { width: 200, render: makeNumericRender(2) }),
+    makeColumn('Время работы, ч', 'usedTimeHours', { width: 200, render: makeNumericRender(2) }),
+    makeColumn('Кол-во запусков', 'operationCount', { width: 200, render: makeNumericRender(0) }),
 ]
 
 const OperationTime = memo(() => {
     const [showLoader, setShowLoader] = useState(false)
     const [data, setData] = useState<DataType[]>([])
     const [selectedData, setSelectedData] = useState<DataType[]>([])
-    const [dateRange, setDateRange] = useState<Moment[]>([])
+    const [dateRange, setDateRange] = useState<Moment[] | null>([])
+    const [selected, setSelected] = useState<string | null>(null)
     const [childrenData, setChildrenData] = useState<ReactNode[]>([])
     const [well] = useWell()
 
     const errorNotifyText = `Не удалось загрузить данные`
 
+    const onRow = useCallback((item: DataType) => {
+        const out = {
+            onMouseEnter: () => {
+                setSelected(item.subsystemName)
+            },
+            onMouseLeave: () => {
+                setSelected(null)
+            },
+            style: {}
+        }
+
+        if (item.subsystemName === selected) {
+            out.style = { background: '#FAFAFA', fontSize: '16px', fontWeight: '600' }
+
+        }
+
+        return out
+    }, [selected])
+
+    const onMouseOver = useCallback(function (e: MouseEvent, d: HorizontalChartDataType) {
+        setSelected(d.name)
+    }, [])
+
+    const onMouseOut = useCallback(function (e: MouseEvent, d: HorizontalChartDataType) {
+        setSelected(null)
+    }, [])
+
     useEffect(() => {
         invokeWebApiWrapperAsync(
             async () => {
@@ -73,8 +101,8 @@ const OperationTime = memo(() => {
                     const responseData:DataType[] = arrayOrDefault(await SubsystemOperationTimeService.getStat(
                         well.id,
                         undefined,
-                        dateRange[1] ? dateRange[0]?.toISOString() : undefined,
-                        dateRange[1]?.toISOString(),
+                        dateRange && dateRange[1] ? dateRange[0]?.toISOString() : undefined,
+                        dateRange && dateRange[1] ? dateRange[1].toISOString() : undefined,
                     ))
                     setData(responseData)
                     setSelectedData(responseData)
@@ -124,25 +152,29 @@ const OperationTime = memo(() => {
                 </Col>
                 <Col span={6}>
                     <DateRangeWrapper
+                        allowClear
+                        allowEmpty={[true, true]}
                         onCalendarChange={(dateRange: any) => setDateRange(dateRange)}
-                        value={[dateRange[0], dateRange[1]]}
+                        value={[dateRange && dateRange[0], dateRange && dateRange[1]]}
                     />
                 </Col>
             </Row>
-            <div style={{width: '100%', height: '50vh'}}>
-                <D3HorizontalChart
-                    data={selectedData.map(item => ({name: item.subsystemName, percent: item.kUsage * 100}))}
-                    colors={subsystemColors}
-                    width={'100%'}
-                    height={'50vh'}
-                />
-            </div>
+            <D3HorizontalChart
+                data={selectedData.map(item => ({name: item.subsystemName, percent: item.kUsage * 100}))}
+                colors={subsystemColors}
+                selected={selected}
+                width={'100%'}
+                height={'50vh'}
+                onMouseOver={onMouseOver}
+                onMouseOut={onMouseOut}
+            />
             <Table
                 size={'small'}
                 columns={tableColumns}
                 dataSource={selectedData.map((d, i) => ({...d, color: subsystemColors[i]}))}
                 scroll={{ y: '25vh', x: true }}
                 pagination={false}
+                onRow={onRow}
             />
         </LoaderPortal>
     )