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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-13-013238
Filing Date
2013-02-22
Accepted
2013-02-22 16:02:50
Documents
4
Period of Report
2013-02-18
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K a13-5839_18k.htm 8-K 31893
2 EX-99.1 a13-5839_1ex99d1.htm EX-99.1 17805
3 GRAPHIC g58391mmi001.jpg GRAPHIC 4874
4 GRAPHIC g58391mmi002.jpg GRAPHIC 3743
  Complete submission text file 0001104659-13-013238.txt   63036
Mailing Address 1515 ARAPAHOE STREET TOWER 1, SUITE 1600 DENVER CO 80202
Business Address 1515 ARAPAHOE STREET TOWER 1, SUITE 1600 DENVER CO 80202 303-925-9200
MARKWEST ENERGY PARTNERS L P (Filer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-31239 | Film No.: 13634305
SIC: 1311 Crude Petroleum & Natural Gas