sale.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        <record id="view_order_form" model="ir.ui.view">
            <field name="name">sale.order.form.inherit</field>
            <field name="model">sale.order</field>
            <field name="inherit_id" ref="sale.view_order_form"/>
            <field name="arch" type="xml">
                <xpath expr="//form[@string='Sales Order Lines']/field[@name='name']" position="after">
                    <group>
                        <group colspan="1">
                            <field name="name"/>
                        </group>
                        <group colspan="1">
                            <field name="magento_notes"/>
                        </group>
                    </group>
                </xpath>
                <xpath expr="//form[@string='Sales Order Lines']/label[@for='name']" position="replace"></xpath>
                <xpath expr="//form[@string='Sales Order Lines']/field[@name='name']" position="replace"></xpath>
            </field>
        </record>

    </data>
</openerp>