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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001179110-11-012516
Filing Date
2011-08-22
Accepted
2011-08-22 19:04:41
Documents
1
Period of Report
2011-08-22

Document Format Files

Seq Description Document Type Size
1 FORM 4 - edgar.html 4  
1 FORM 4 - edgar.xml 4 3587
  Complete submission text file 0001179110-11-012516.txt   4919
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 (Issuer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 6685 S EVANSTON CIRCLE TULSA OK 74136
Business Address
BAILEY KEITH E (Reporting) CIK: 0001216042 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-31239 | Film No.: 111050879