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Filing Detail
Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001047469-06-001415
Filing Date
2006-02-06
Accepted
2006-02-06 16:13:03
Documents
1

Document Format Files

Seq Description Document Type Size
1 424B3 a2167167z424b3.htm 424B3 441509
  Complete submission text file 0001047469-06-001415.txt   452754
Mailing Address 155 INVERNESS DR WEST STE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DR WEST STE 200 ENGLEWOOD CO 80112 303-925-9275
MARKWEST ENERGY PARTNERS L P (Filer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945 | Film No.: 06581621
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Energy Operating CO LLC (Filer) CIK: 0001292406 (see all company filings)

IRS No.: 270005448 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-15 | Film No.: 06581624

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
Basin Pipeline LLC (Filer) CIK: 0001292407 (see all company filings)

IRS No.: 383297919 | State of Incorp.: MI | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-13 | Film No.: 06581626

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
West Shore Processing CO LLC (Filer) CIK: 0001292408 (see all company filings)

IRS No.: 760501616 | State of Incorp.: MI | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-12 | Film No.: 06581627

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Energy Appalachia LLC (Filer) CIK: 0001292409 (see all company filings)

IRS No.: 470852385 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-11 | Film No.: 06581628

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MW Texas LTD LLC (Filer) CIK: 0001292410 (see all company filings)

IRS No.: 300157458 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-09 | Film No.: 06581630

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Michigan Pipeline CO LLC (Filer) CIK: 0001292411 (see all company filings)

IRS No.: 830375568 | State of Incorp.: MI | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-08 | Film No.: 06581631

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Texas GP LLC (Filer) CIK: 0001292412 (see all company filings)

IRS No.: 300157456 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-10 | Film No.: 06581629

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Western Oklahoma Gas CO LLC (Filer) CIK: 0001292413 (see all company filings)

IRS No.: 861089780 | State of Incorp.: OK | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-06 | Film No.: 06581633

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Power Tex LP (Filer) CIK: 0001292414 (see all company filings)

IRS No.: 450537840 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-16 | Film No.: 06581623

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Pinnacle LP (Filer) CIK: 0001292415 (see all company filings)

IRS No.: 300157461 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-07 | Film No.: 06581632

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest PNG Utility LP (Filer) CIK: 0001292416 (see all company filings)

IRS No.: 300157467 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-05 | Film No.: 06581620

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Texas PNG Utility LP (Filer) CIK: 0001292417 (see all company filings)

IRS No.: 300157468 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-04 | Film No.: 06581634

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Blackhawk LP (Filer) CIK: 0001292418 (see all company filings)

IRS No.: 300157471 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-17 | Film No.: 06581622

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest New Mexico LP (Filer) CIK: 0001292419 (see all company filings)

IRS No.: 300157474 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-14 | Film No.: 06581625

Mailing Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000
Business Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000 303-290-8700
MarkWest Pipeline CO LP (Filer) CIK: 0001315242 (see all company filings)

IRS No.: 000000000 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-01 | Film No.: 06581637

Mailing Address 155 INVERNESS DR. WEST SUITE 200 ENGLEWOOD CO 80112-5000
Business Address 155 INVERNESS DR. WEST SUITE 200 ENGLEWOOD CO 80112-5000 303-290-8700
MarkWest Energy East Texas Gas CO LP (Filer) CIK: 0001315262 (see all company filings)

IRS No.: 201311706 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-02 | Film No.: 06581636

Mailing Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000
Business Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000 303-290-8700
MarkWest Energy Finance CORP (Filer) CIK: 0001315263 (see all company filings)

IRS No.: 201805917 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-122945-03 | Film No.: 06581635