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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001047469-11-001544
Filing Date
2011-02-28
Accepted
2011-02-28 16:21:21
Documents
18
Period of Report
2010-12-31

Document Format Files

Seq Description Document Type Size
1 10-K a2202159z10-k.htm 10-K 2487479
2 EX-12.1 a2202159zex-12_1.htm EX-12.1 25223
3 EX-21.1 a2202159zex-21_1.htm EX-21.1 11397
4 EX-23.1 a2202159zex-23_1.htm EX-23.1 3126
5 EX-31.1 a2202159zex-31_1.htm EX-31.1 8123
6 EX-31.2 a2202159zex-31_2.htm EX-31.2 8166
7 EX-32.1 a2202159zex-32_1.htm EX-32.1 5859
8 EX-32.2 a2202159zex-32_2.htm EX-32.2 5901
15 G958725.JPG g958725.jpg GRAPHIC 23166
16 G158523.JPG g158523.jpg GRAPHIC 32767
17 G149225.JPG g149225.jpg GRAPHIC 41289
18 G306623.JPG g306623.jpg GRAPHIC 41739
  Complete submission text file 0001047469-11-001544.txt   9589690

Data Files

Seq Description Document Type Size
9 EX-101.INS mwe-20101231.xml EX-101.INS 1475577
10 EX-101.SCH mwe-20101231.xsd EX-101.SCH 37153
11 EX-101.CAL mwe-20101231_cal.xml EX-101.CAL 88775
12 EX-101.LAB mwe-20101231_lab.xml EX-101.LAB 448667
13 EX-101.PRE mwe-20101231_pre.xml EX-101.PRE 207510
14 EX-101.DEF mwe-20101231_def.xml EX-101.DEF 144036
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: 10-K | Act: 34 | File No.: 001-31239 | Film No.: 11646395
SIC: 1311 Crude Petroleum & Natural Gas
Assistant Director 4