Company · CIK 1166036

# MARKWEST ENERGY PARTNERS L P

| CIK | [1166036](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001166036) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 1311 — Crude Petroleum & Natural Gas |
| Business address | CO |
| Listed | no ticker on SEC record today |
| First annual or quarterly report | 2002-08-14 |

## Offerings

 17 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-184605 | Shelf Effective | 2012-10-26 | 2015-12-21 | 9 |
| 333-186011 | Shelf Effective | 2013-01-14 | 2015-12-21 | 6 |
| 333-190438 | Shelf Effective | 2013-08-07 | 2015-12-21 | 4 |
| 333-194013 | Shelf Effective | 2014-02-18 | 2015-12-21 | 4 |
| 333-199280 | Shelf Effective | 2014-10-10 | 2015-12-21 | 3 |
| 333-206234 | Shelf Effective | 2015-08-07 | 2015-12-21 | 2 |
| 333-184482 | Shelf Effective | 2012-10-18 | 2013-08-07 | 4 |
| 333-164323 | Shelf Effective | 2010-01-13 | 2012-08-14 | 14 |
| 333-149742 | Shelf Effective | 2008-03-14 | 2009-08-14 | 3 |
| 333-157883 | Shelf Effective | 2009-03-12 | 2009-08-14 | 4 |
| 333-138744 | Shelf Effective | 2006-11-16 | 2008-04-09 | 2 |
| 333-142358 | Shelf Effective | 2007-04-25 | 2007-07-11 | 2 |
| 333-133439 | Registered company Final prospectus | 2006-04-20 | 2007-01-30 | 9 |
| 333-133534 | Registered company Final prospectus | 2006-04-25 | 2006-07-05 | 7 |
| 333-120759 | Shelf Dormant | 2004-11-24 | 2004-11-24 | 1 |
| 333-116680 | Shelf Effective | 2004-06-21 | 2004-09-16 | 2 |
| 333-111339 | Registered company Final prospectus | 2003-12-19 | 2004-01-13 | 3 |

## Filings

 85

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2015-12-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999515003349/9999999995-15-003349-index.htm) Declared effective | 333-206234 | 9999999995-15-003349 |
| 2015-12-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999515003344/9999999995-15-003344-index.htm) Declared effective | 333-199280 | 9999999995-15-003344 |
| 2015-12-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999515003343/9999999995-15-003343-index.htm) Declared effective | 333-194013 | 9999999995-15-003343 |
| 2015-12-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999515003342/9999999995-15-003342-index.htm) Declared effective | 333-190438 | 9999999995-15-003342 |
| 2015-12-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999515003341/9999999995-15-003341-index.htm) Declared effective | 333-186011 | 9999999995-15-003341 |
| 2015-12-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999515003340/9999999995-15-003340-index.htm) Declared effective | 333-184605 | 9999999995-15-003340 |
| 2015-08-07 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1166036/000104746915006713/0001047469-15-006713-index.htm) Shelf registered | 333-206234 | 0001047469-15-006713 |
| 2015-06-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746915005598/0001047469-15-005598-index.htm) Shelf takedown | 333-184605 | 0001047469-15-005598 |
| 2015-06-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746915005597/0001047469-15-005597-index.htm) Shelf takedown | 333-184605 | 0001047469-15-005597 |
| 2015-05-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746915005082/0001047469-15-005082-index.htm) Shelf takedown | 333-184605 | 0001047469-15-005082 |
| 2015-02-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746915001327/0001047469-15-001327-index.htm) Shelf takedown | 333-184605 | 0001047469-15-001327 |
| 2014-11-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999514003458/9999999995-14-003458-index.htm) Declared effective | 333-199280 | 9999999995-14-003458 |
| 2014-11-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746914009386/0001047469-14-009386-index.htm) Shelf takedown | 333-186011 | 0001047469-14-009386 |
| 2014-11-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746914009353/0001047469-14-009353-index.htm) Shelf takedown | 333-184605 | 0001047469-14-009353 |
| 2014-10-10 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746914008249/0001047469-14-008249-index.htm) Shelf registered | 333-199280 | 0001047469-14-008249 |
| 2014-03-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746914002157/0001047469-14-002157-index.htm) Shelf takedown | 333-194013 | 0001047469-14-002157 |
| 2014-03-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999514000624/9999999995-14-000624-index.htm) Declared effective | 333-194013 | 9999999995-14-000624 |
| 2014-02-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746914000989/0001047469-14-000989-index.htm) Shelf registered | 333-194013 | 0001047469-14-000989 |
| 2013-09-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746913008879/0001047469-13-008879-index.htm) Shelf takedown | 333-190438 | 0001047469-13-008879 |
| 2013-09-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746913008875/0001047469-13-008875-index.htm) Shelf takedown | 333-186011 | 0001047469-13-008875 |
| 2013-08-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999513002458/9999999995-13-002458-index.htm) Declared effective | 333-190438 | 9999999995-13-002458 |
| 2013-08-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746913008184/0001047469-13-008184-index.htm) Shelf takedown | 333-186011 | 0001047469-13-008184 |
| 2013-08-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746913008181/0001047469-13-008181-index.htm) Shelf takedown | 333-184482 | 0001047469-13-008181 |
| 2013-08-07 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746913008178/0001047469-13-008178-index.htm) Shelf registered | 333-190438 | 0001047469-13-008178 |
| 2013-01-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999513000316/9999999995-13-000316-index.htm) Declared effective | 333-186011 | 9999999995-13-000316 |
| 2013-01-14 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746913000204/0001047469-13-000204-index.htm) Shelf registered | 333-186011 | 0001047469-13-000204 |
| 2013-01-08 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746913000112/0001047469-13-000112-index.htm) Shelf takedown | 333-184605 | 0001047469-13-000112 |
| 2012-11-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746912010573/0001047469-12-010573-index.htm) Shelf takedown | 333-184605 | 0001047469-12-010573 |
| 2012-11-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746912010195/0001047469-12-010195-index.htm) Shelf takedown | 333-184482 | 0001047469-12-010195 |
| 2012-11-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999512003145/9999999995-12-003145-index.htm) Declared effective | 333-184482 | 9999999995-12-003145 |
| 2012-10-26 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1166036/000104746912009785/0001047469-12-009785-index.htm) Shelf registered | 333-184605 | 0001047469-12-009785 |
| 2012-10-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746912009584/0001047469-12-009584-index.htm) Shelf registered | 333-184482 | 0001047469-12-009584 |
| 2012-08-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746912008329/0001047469-12-008329-index.htm) Shelf takedown | 333-164323 | 0001047469-12-008329 |
| 2012-08-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746912007891/0001047469-12-007891-index.htm) Shelf takedown | 333-164323 | 0001047469-12-007891 |
| 2012-05-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746912005666/0001047469-12-005666-index.htm) Shelf takedown | 333-164323 | 0001047469-12-005666 |
| 2012-03-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746912002627/0001047469-12-002627-index.htm) Shelf takedown | 333-164323 | 0001047469-12-002627 |
| 2011-12-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746911010081/0001047469-11-010081-index.htm) Shelf takedown | 333-164323 | 0001047469-11-010081 |
| 2011-10-26 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746911008686/0001047469-11-008686-index.htm) Shelf takedown | 333-164323 | 0001047469-11-008686 |
| 2011-10-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746911008426/0001047469-11-008426-index.htm) Shelf takedown | 333-164323 | 0001047469-11-008426 |
| 2011-07-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746911006225/0001047469-11-006225-index.htm) Shelf takedown | 333-164323 | 0001047469-11-006225 |
| 2011-03-03 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746911001708/0001047469-11-001708-index.htm) Shelf takedown | 333-164323 | 0001047469-11-001708 |
| 2011-02-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746911000742/0001047469-11-000742-index.htm) Shelf takedown | 333-164323 | 0001047469-11-000742 |
| 2011-01-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746911000103/0001047469-11-000103-index.htm) Shelf takedown | 333-164323 | 0001047469-11-000103 |
| 2010-10-20 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746910008739/0001047469-10-008739-index.htm) Shelf takedown | 333-164323 | 0001047469-10-008739 |
| 2010-03-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746910003056/0001047469-10-003056-index.htm) Shelf takedown | 333-164323 | 0001047469-10-003056 |
| 2010-01-13 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1166036/000104746910000150/0001047469-10-000150-index.htm) Shelf registered | 333-164323 | 0001047469-10-000150 |
| 2009-10-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999509003040/9999999995-09-003040-index.htm) Declared effective | 333-160420 | 9999999995-09-003040 |
| 2009-10-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999509002886/9999999995-09-002886-index.htm) Declared effective | 333-160420 | 9999999995-09-002886 |
| 2009-08-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746909007827/0001047469-09-007827-index.htm) Shelf takedown | 333-157883 | 0001047469-09-007827 |
| 2009-08-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746909007826/0001047469-09-007826-index.htm) Shelf takedown | 333-149742 | 0001047469-09-007826 |
| 2009-06-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746909006193/0001047469-09-006193-index.htm) Shelf takedown | 333-157883 | 0001047469-09-006193 |
| 2009-04-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999509001094/9999999995-09-001094-index.htm) Declared effective | 333-157883 | 9999999995-09-001094 |
| 2009-03-12 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746909002563/0001047469-09-002563-index.htm) Shelf registered | 333-157883 | 0001047469-09-002563 |
| 2008-07-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999508002105/9999999995-08-002105-index.htm) Declared effective | 333-151193 | 9999999995-08-002105 |
| 2008-06-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999508001772/9999999995-08-001772-index.htm) Declared effective | 333-149742 | 9999999995-08-001772 |
| 2008-04-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746908004340/0001047469-08-004340-index.htm) Shelf takedown | 333-138744 | 0001047469-08-004340 |
| 2008-03-14 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746908002825/0001047469-08-002825-index.htm) Shelf registered | 333-149742 | 0001047469-08-002825 |
| 2008-01-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999508000066/9999999995-08-000066-index.htm) Declared effective | 333-147370 | 9999999995-08-000066 |
| 2007-07-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999507002763/9999999995-07-002763-index.htm) Declared effective | 333-142358 | 9999999995-07-002763 |
| 2007-04-25 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746907003196/0001047469-07-003196-index.htm) Shelf registered | 333-142358 | 0001047469-07-003196 |
| 2007-01-30 | [424B4](https://www.sec.gov/Archives/edgar/data/1166036/000104746907000494/0001047469-07-000494-index.htm) Final prospectus | 333-133439 | 0001047469-07-000494 |
| 2007-01-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999507000334/9999999995-07-000334-index.htm) Declared effective | 333-133439 | 9999999995-07-000334 |
| 2007-01-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999507000265/9999999995-07-000265-index.htm) Declared effective | 333-139151 | 9999999995-07-000265 |
| 2006-12-06 | [RW](https://www.sec.gov/Archives/edgar/data/1166036/000110465906079779/0001104659-06-079779-index.htm) Withdrawn | 333-136733 | 0001104659-06-079779 |
| 2006-11-16 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1166036/000104746906014249/0001047469-06-014249-index.htm) Shelf registered | 333-138744 | 0001047469-06-014249 |
| 2006-07-18 | [424B4](https://www.sec.gov/Archives/edgar/data/1166036/000104746906009701/0001047469-06-009701-index.htm) Final prospectus | 333-133439 | 0001047469-06-009701 |
| 2006-07-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999506000769/9999999995-06-000769-index.htm) Declared effective | 333-133439 | 9999999995-06-000769 |
| 2006-07-13 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906009541/0001047469-06-009541-index.htm) Amendment | 333-133439 | 0001047469-06-009541 |
| 2006-07-05 | [424B4](https://www.sec.gov/Archives/edgar/data/1166036/000104746906009239/0001047469-06-009239-index.htm) Final prospectus | 333-133534 | 0001047469-06-009239 |
| 2006-06-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1166036/999999999506000551/9999999995-06-000551-index.htm) Declared effective | 333-133534 | 9999999995-06-000551 |
| 2006-06-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906008782/0001047469-06-008782-index.htm) Amendment | 333-133534 | 0001047469-06-008782 |
| 2006-06-22 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906008745/0001047469-06-008745-index.htm) Amendment | 333-133439 | 0001047469-06-008745 |
| 2006-06-22 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906008744/0001047469-06-008744-index.htm) Amendment | 333-133534 | 0001047469-06-008744 |
| 2006-06-21 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906008653/0001047469-06-008653-index.htm) Amendment | 333-133439 | 0001047469-06-008653 |
| 2006-06-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906008631/0001047469-06-008631-index.htm) Amendment | 333-133534 | 0001047469-06-008631 |
| 2006-06-08 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906008148/0001047469-06-008148-index.htm) Amendment | 333-133439 | 0001047469-06-008148 |
| 2006-06-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746906007977/0001047469-06-007977-index.htm) Amendment | 333-133534 | 0001047469-06-007977 |
| 2006-04-25 | [S-1](https://www.sec.gov/Archives/edgar/data/1166036/000104746906005610/0001047469-06-005610-index.htm) Registration filed | 333-133534 | 0001047469-06-005610 |
| 2006-04-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1166036/000104746906005375/0001047469-06-005375-index.htm) Registration filed | 333-133439 | 0001047469-06-005375 |
| 2004-11-24 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746904035205/0001047469-04-035205-index.htm) Shelf registered | 333-120759 | 0001047469-04-035205 |
| 2004-09-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1166036/000104746904028950/0001047469-04-028950-index.htm) Shelf takedown | 333-116680 | 0001047469-04-028950 |
| 2004-06-21 | [S-3](https://www.sec.gov/Archives/edgar/data/1166036/000104746904021160/0001047469-04-021160-index.htm) Shelf registered | 333-116680 | 0001047469-04-021160 |
| 2004-01-13 | [424B1](https://www.sec.gov/Archives/edgar/data/1166036/000104746904000711/0001047469-04-000711-index.htm) Final prospectus | 333-111339 | 0001047469-04-000711 |
| 2003-12-31 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1166036/000104746903042315/0001047469-03-042315-index.htm) Amendment | 333-111339 | 0001047469-03-042315 |
| 2003-12-19 | [S-1](https://www.sec.gov/Archives/edgar/data/1166036/000104746903041454/0001047469-03-041454-index.htm) Registration filed | 333-111339 | 0001047469-03-041454 |

[All filings of this company](https://equitycapital.markets/filings?cik=1166036) · [CSV](https://equitycapital.markets/filings.csv?cik=1166036)

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Source page: https://equitycapital.markets/company/1166036 · Data: U.S. SEC EDGAR · CC BY 4.0
