diff --git a/Bin/Config/Lang/cn/nmNum_cn.qm b/Bin/Config/Lang/cn/nmNum_cn.qm
index 9114077..30a8be1 100644
Binary files a/Bin/Config/Lang/cn/nmNum_cn.qm and b/Bin/Config/Lang/cn/nmNum_cn.qm differ
diff --git a/Bin/Config/Lang/cn/nmNum_cn.ts b/Bin/Config/Lang/cn/nmNum_cn.ts
index 47360c0..cb8b179 100644
--- a/Bin/Config/Lang/cn/nmNum_cn.ts
+++ b/Bin/Config/Lang/cn/nmNum_cn.ts
@@ -7284,6 +7284,7 @@ Average pressure in contour: %2 MPa</source>
     <name>nmReservoirParameterPage</name>
     <message><source>Object display</source><translation>对象显示</translation></message>
     <message><source>Display:</source><translation>显示：</translation></message>
+    <message><source>Storage calculator</source><translation>井储计算器</translation></message>
     <message><source>No editable objects in this category.</source><translation>此分类中没有可编辑对象。</translation></message>
     <message><source>Initial oil and water saturations must sum to 1.</source><translation>初始含油饱和度与初始含水饱和度之和必须为 1。</translation></message>
 </context>
diff --git a/Include/nmNum/nmSubWxs/nmReservoirParameterPage.h b/Include/nmNum/nmSubWxs/nmReservoirParameterPage.h
index d8d7d12..abcb442 100644
--- a/Include/nmNum/nmSubWxs/nmReservoirParameterPage.h
+++ b/Include/nmNum/nmSubWxs/nmReservoirParameterPage.h
@@ -75,6 +75,9 @@ private slots:
     /** @brief 枚举code变化后保存并执行集中联动。 */
     void slotEnumIndexChanged(int nIndex);
 
+    /** @brief 计算并回填当前井的井筒储集系数。 */
+    void slotWellboreStorageCalculator();
+
 private:
     /** @brief 创建对象显示控制区和单层参数分组区域。 */
     void createUi();
diff --git a/Src/nmNum/nmSubWxs/nmReservoirParameterPage.cpp b/Src/nmNum/nmSubWxs/nmReservoirParameterPage.cpp
index 43158c0..5d4e7ad 100644
--- a/Src/nmNum/nmSubWxs/nmReservoirParameterPage.cpp
+++ b/Src/nmNum/nmSubWxs/nmReservoirParameterPage.cpp
@@ -2,13 +2,18 @@
 
 #include "nmParameterField.h"
 #include "nmReservoirPropertiesSession.h"
+#include "nmWxWellboreStorageCalculator.h"
 
 #include <QComboBox>
+#include <QCoreApplication>
+#include <QDialog>
 #include <QGridLayout>
 #include <QGroupBox>
 #include <QHBoxLayout>
+#include <QIcon>
 #include <QLabel>
 #include <QSizePolicy>
+#include <QToolButton>
 #include <QVBoxLayout>
 #include <QtGlobal>
 
@@ -261,6 +266,57 @@ bool nmReservoirParameterPage::buildGroup(
             nFieldColumnOffset + 2,
             nmParameterField::unitMinimumWidth());
 
+    bool bHasWellboreStorage = false;
+    for (int nFieldIndex = 0;
+         nFieldIndex < oGroupInfo.m_listFields.size();
+         ++nFieldIndex)
+    {
+        if (oGroupInfo.m_listFields[nFieldIndex].m_sBaseParameterId ==
+                "W_C")
+        {
+            bHasWellboreStorage = true;
+            break;
+        }
+    }
+
+    int nFirstFieldRow = 0;
+    if (m_eCategory == NM_RESERVOIR_PAGE_WELL &&
+            bHasWellboreStorage)
+    {
+        // 计算器单独占用分组首行，标签和按钮分别对齐
+        // 下方参数的名称列右边界和数值列左边界。
+        QLabel* pCalculatorLabel = new QLabel(
+                tr("Storage calculator"), pGroupBox);
+        pCalculatorLabel->setAlignment(
+                Qt::AlignRight | Qt::AlignVCenter);
+        pCalculatorLabel->setWordWrap(false);
+        QToolButton* pCalculatorButton =
+                new QToolButton(pGroupBox);
+        QString sIconDir = QCoreApplication::applicationDirPath()
+                .section('/', 0, -2) + "/Res/Icon/";
+        pCalculatorButton->setIcon(QIcon(
+                sIconDir + "NmWellboreStorageCalculator.png"));
+        pCalculatorButton->setIconSize(QSize(20, 20));
+        pCalculatorButton->setFixedSize(26, 26);
+        pCalculatorButton->setAutoRaise(true);
+        pCalculatorButton->setToolTip(
+                tr("Storage calculator"));
+        connect(pCalculatorButton, SIGNAL(clicked()),
+                this, SLOT(slotWellboreStorageCalculator()));
+
+        pFieldLayout->addWidget(
+                pCalculatorLabel,
+                0,
+                nFieldColumnOffset,
+                Qt::AlignRight | Qt::AlignVCenter);
+        pFieldLayout->addWidget(
+                pCalculatorButton,
+                0,
+                nFieldColumnOffset + 1,
+                Qt::AlignLeft | Qt::AlignVCenter);
+        nFirstFieldRow = 1;
+    }
+
     // 每个字段只把三个直接控件放入此网格，不产生字段外框或子面板。
     for (int nFieldIndex = 0;
          nFieldIndex < oGroupInfo.m_listFields.size();
@@ -272,7 +328,7 @@ bool nmReservoirParameterPage::buildGroup(
                     m_pUnitService,
                     pGroupBox);
         if (!pField->initialize(pFieldLayout,
-                                nFieldIndex,
+                                nFirstFieldRow + nFieldIndex,
                                 nFieldColumnOffset,
                                 sError))
         {
@@ -481,6 +537,43 @@ void nmReservoirParameterPage::slotEnumIndexChanged(int nIndex)
     updateValidity();
 }
 
+void nmReservoirParameterPage::slotWellboreStorageCalculator()
+{
+    if (m_nCurrentObjectIndex < 0 ||
+            m_nCurrentObjectIndex >= m_listObjectInfos.size())
+    {
+        return;
+    }
+
+    // 只定位当前井的W_C字段，不访问实时井或全局当前井。
+    const nmReservoirPropertyObjectInfo& oObjectInfo =
+            m_listObjectInfos[m_nCurrentObjectIndex];
+    nmParameterField* pWellboreStorageField =
+            m_mapFields.value(
+                oObjectInfo.m_sObjectCode + "_W_C", nullptr);
+    if (pWellboreStorageField == nullptr)
+    {
+        return;
+    }
+
+    nmWxWellboreStorageCalculator oCalculator(this);
+    if (oCalculator.exec() != QDialog::Accepted)
+    {
+        return;
+    }
+
+    double dWellboreStorage =
+            oCalculator.getWellboreStorageValue();
+    if (dWellboreStorage < 0.0)
+    {
+        return;
+    }
+
+    // 仅回填页面字段；切换井或外层确定时才写入会话工作副本。
+    pWellboreStorageField->setBaseValue(dWellboreStorage);
+    updateValidity();
+}
+
 void nmReservoirParameterPage::applyVisibilityRules()
 {
     if (m_pSession == nullptr || m_nCurrentObjectIndex < 0 ||