Transporter may provide shipper with some days.Logical formLearned from2 sentences. Payment can be by transporter.Logical formLearned from2 sentences. Knowledge may pertain-to transporter.Logical formLearned from2 sentences. Transporter may receive quantities of gas to an extent.Logical formLearned from2 sentences. Transporter may retain a quantity of gas.Logical formLearned from2 sentences. A (gas balance) may pertain-to transporter.Logical formLearned from2 sentences. Quantities may be specified by transporter.Logical formLearned from2 sentences. Transporter can be due to a failure.Logical formLearned from2 sentences. (Storage fields) may be utilised by transporter.Logical formLearned from2 sentences. Transporter may transport quantities of gas.Logical formLearned from2 sentences. A maximum may pertain-to a transporter.Logical formLearned from2 sentences. Pressure may be determined by transporter.Logical formLearned from2 sentences. Transporter may negotiate surcharge.Logical formLearned from2 sentences. An operator may introduce gas to transporter.Logical formLearned from2 sentences. Transporter may issue notices.Logical formLearned from2 sentences.