Southern Star Central Gas Pipeline, Data Responses, CP11-481.

Southern Star Central Gas Pipeline, Inc. 4700 Highway 56 P.O. Box 20010 Owensboro, Kentucky 42304-0010 Phone 270/852-5000 David N. Roberts Sr. Staff Analyst, Regulatory Affairs Phone: (270)852-4654 Fax: (270)852-5010 Email: david.n.roberts@sscgp.com July 8, 2011 Ms. Kimberly D. Bose, Secretary Federal Energy Regulatory Commission 888 First Street, N.E. Washington, D.C. 20426 Re: OEP/DPC/CB-2 Southern Star Central Gas Pipeline, Inc. Docket No. CP11-481-000 375.308(x)(3) Dear Secretary Bose: Southern Star Central Gas Pipeline, Inc. (Southern Star) e-files herein its response to the above- referenced data request dated June 23, 2011. A majority of the responses include associated Figures to assist in answering specific requests, which correlate to many of the Figures that were contained within Exhibits Z1 and Z3 of the original application filed as Privileged & Confidential. Therefore Southern Star has designated the following Figures 5B, 6, 7A, 7B, 8A, 8B, and 9 as Privileged & Confidential due to the proprietary nature of the information. As such, Southern Star requests that the Commission accord treatment to the enclosed documents concerning Privileged & Confidential information in a manner consistent with Docket No. PL02-1-001 and Section 388.112 of the Commissions regulations. The responses are being filed in accordance with the provisions of the Commissions Rules and regulations of Practice and Procedure. As such, Southern Star will serve those parties appearing on the official service list a Public Version of this response. Also included is information about the respondent and a verification statement as required pursuant to 18 CFR 385.2005. Any correspondence regarding this submission should be directed to the undersigned at 270-852- 4654. Sincerely, /s/ David N. Roberts Senior Staff Analyst, Regulatory Affairs Enclosures c - Edward J. Fowlkes All Parties Southern Star Central Gas Pipeline, Inc. Alden Gas Storage Field Docket No. CP11-481-000 OFFICE OF ENERGY PROJECTS REQUEST Question No. 1: Provide hysteresis curves for the Alden Gas Storage Field for the years 1988 to present. Response: The hysteresis curve for Alden Gas Storage Field is attached as Figure 1A. Please note that the data is only for the years 1999 through 2011. Daily pressure data for years prior to 1999 is not available to plot on the curve. Note that on 1/5/11, Southern Star moved the SCADA observation reading from well O-5 to well O-26 due to the recompletion of well O-5 to the Simpson formation and well O-26 to the Misener or storage formation. Due to formation damage near the wellbore, the pressure in this well is not following ...