(Service agreements) can be between transporter.Logical formLearned from2 sentences. Transporter may retain tenders.Logical formLearned from2 sentences. Decrease can be in a billing to transporter.Logical formLearned from2 sentences. A (transportation service agreement) can be with transporter.Logical formLearned from2 sentences. A (refund amount) may be recovered by transporter.Logical formLearned from2 sentences. Transporter may make gas entries.Logical formLearned from2 sentences. Transporters can be constituted-of-or-filled-with gas.Logical formLearned from2 sentences. A (wallow system) may pertain-to transporter.Logical formLearned from2 sentences. (Measurement readings) can be available to transporter.Logical formLearned from2 sentences. Transporter may allocate receipts from a pool.Logical formLearned from2 sentences. An (interconnection agreement) can be with transporter.Logical formLearned from2 sentences. A minimum may be negotiated by transporter.Logical formLearned from2 sentences. Transporter may notify shipper to effect.Logical formLearned from2 sentences. Transporter may send shipper a (service agreement).Logical formLearned from2 sentences. (Rate discount periods) can be unacceptable to transporter.Logical formLearned from2 sentences.