eiru_study_features/data/sequence.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data noupdate="1">

        <!-- Sequences for repair.workorder -->
        <record id="seq_type_study_feature" model="ir.sequence.type">
            <field name="name">Study Feature</field>
            <field name="code">study.feature</field>
        </record>

        <record id="seq_study_feature" model="ir.sequence">
            <field name="name">Study Feature</field>
            <field name="code">study.feature</field>
            <field name="prefix">O01- </field>
            <field name="padding">4</field>
            <field name="company_id" eval="False"/>
        </record>

    </data>
</openerp>