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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-11-070112
Filing Date
2011-12-19
Accepted
2011-12-19 16:04:59
Documents
13
Period of Report
2011-12-12
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 a11-31867_18k.htm 8-K 38631
2 EX-1.1 a11-31867_1ex1d1.htm EX-1.1 394639
3 EX-5.1 a11-31867_1ex5d1.htm EX-5.1 15541
4 EX-8.1 a11-31867_1ex8d1.htm EX-8.1 13993
5 EX-99.1 a11-31867_1ex99d1.htm EX-99.1 18445
6 EX-99.2 a11-31867_1ex99d2.htm EX-99.2 18005
7 EX-99.3 a11-31867_1ex99d3.htm EX-99.3 17915
8 GRAPHIC g318671moi001.jpg GRAPHIC 6674
9 GRAPHIC g318671kki001.jpg GRAPHIC 2058
10 GRAPHIC g318671kei001.gif GRAPHIC 2967
11 GRAPHIC g318671kei002.gif GRAPHIC 1524
12 GRAPHIC g318671mqi001.jpg GRAPHIC 6674
13 GRAPHIC g318671mmi001.jpg GRAPHIC 6674
  Complete submission text file 0001104659-11-070112.txt   555847
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.: 111269316
SIC: 1311 Crude Petroleum & Natural Gas