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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-12-018940
Filing Date
2012-03-16
Accepted
2012-03-16 16:11:10
Documents
12
Period of Report
2012-03-12
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 a12-5245_38k.htm 8-K 36190
2 EX-1.1 a12-5245_3ex1d1.htm EX-1.1 360879
3 EX-5.1 a12-5245_3ex5d1.htm EX-5.1 13557
4 EX-8.1 a12-5245_3ex8d1.htm EX-8.1 13857
5 EX-99.1 a12-5245_3ex99d1.htm EX-99.1 19488
6 EX-99.2 a12-5245_3ex99d2.htm EX-99.2 19385
7 EX-99.3 a12-5245_3ex99d3.htm EX-99.3 18953
8 GRAPHIC g52453koi001.jpg GRAPHIC 2058
9 GRAPHIC g52453mmi001.jpg GRAPHIC 6674
10 GRAPHIC g52453mqi001.jpg GRAPHIC 6674
11 GRAPHIC g52453moi001.jpg GRAPHIC 6674
12 GRAPHIC g52453kii001.gif GRAPHIC 2967
  Complete submission text file 0001104659-12-018940.txt   518728
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.: 12697821
SIC: 1311 Crude Petroleum & Natural Gas