MarkWest Pioneer, L.L.C.

Original Volume No. 1

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Effective Date: 12/31/9999, Docket: RP09-532-000, Status: Accepted

First Revised Sheet No. 37 First Revised Sheet No. 37

Superseding: Original Sheet No. 37





1.31. “Operational Balancing Agreement” or “OBA” is a contract between parties which specifies

the procedures to manage operating balances at an interconnect as referenced in Section

13.1 of the GT&C.


1.32. “Operational Flow Order” or “OFO” is an order issued pursuant to Section 12 of the GT&C.


1.33. “Payback Quantities” shall mean a quantity of Gas nominated by a Shipper to clear an



1.34. “Person” means a natural person, sole proprietorship, firm, trust, trustee, executor,

administrator or other legal personal representative, partnership, limited partnership,

joint venture, syndicate, company or corporation with or without share capital,

unincorporated association, regulatory body or agency, government or governmental agency,

authority or entity however designated or constituted.


1.35. “Prepayment”, with respect to requests for capacity or service, means that amount of

money that must be submitted by a Shipper along with a request for service. With

respect to creditworthiness, prepayment means the advance payment for transportation

services rendered by Transporter.


1.36. “Production Commitment Agreement” means an agreement by which Shipper dedicates

production from the Woodford Shale Production Area for transportation pursuant to Rate

Schedule FT-2.


1.37. “Psia” means pounds per square inch absolute.


1.38. “Psig” means pounds per square inch gauge.


1.39. “Receipt Point” means any point at which Gas is tendered by or for Shipper’s account.

The Receipt Point(s) shall be specified in Shipper’s FT Agreement or IT Agreement.


1.40. “Recourse Rate” means the applicable maximum and minimum rates stated on the Statement

of Rate and Charges in this Tariff, which shall be applicable unless Transporter and

Shipper agree in writing to a Negotiated Rate or a Discounted Rate.


1.41. “Released Capacity” means capacity reserved under the terms of an effective FT Agreement

that a Releasing Shipper seeks to release, on either a permanent or temporary basis.