Natural Gas Pipelines
Access Midstream Partners
Owned natural gas gathering systems and other midstream energy assets on
the Barnett Shale, Haynesville Shale and in Mid-Continent regions.
Changed name from Chesapeake to Access in July 2012 when
Global Infrastructure Partners became general partner.
Acquired by Williams in February 2015.
Owned natural gas gathering, processing plants, and interstate pipelines
and in Oklahoma, Arkansas, and Texas. Also owns pipelines in
western New York and eastern Ohio. Acquired by Targa Resource Partners
in January 2015.
limited liability company (LLC). Acquired by Kinder Morgan in
Owned natural gas gathering and processing facilities serving the Fort
Worth Basin in north Texas. Formerly QuickSilver Gas Service (KGS). Acquired by
general partner, Crestwood Equity Partners (CEQP), in September 2015.
A spin-off of Enterprise Product Partners slower
growing assets. Re-acquired by Enterprise
El Paso Pipeline Partners
Owned interstate pipeline system serving
the Rocky Mountain region, and interests in the Colorado Interstate Gas Company and the Southern
Natural Gas Company, which operates interstate pipelines in the Rocky
Mountain and southeastern regions of the U.S. Acquired by Kinder Morgan
(KMI) in November 2014.
Owned natural gas pipeline and NGL storage assets in the New York
and Pennsylvania. Inergy LP (NRGY)
is the master partner. Acquired by Crestwood Midstream in May 2013.
MarkWest Energy Partners
Owned and operated natural gas pipelines, processing plants, and
associated facilities in the Northeast, Texas and Oklahoma.
Acquired by MLPX LP in December 2015.
Oneok Partners (OKS)
(formerly Northern Border
Partners) owned natural gas
pipelines, processing plants and associated facilities, mostly in the Mid-Continent region.
Acquired by Oneok, Inc., (OKE) its general partner, in June 2017.
Regency Energy Partners
Owned natural gas gathering pipeline and processing facilities in
Louisiana, Texas, Arkansas, Kansas, and Oklahoma.
Energy Transfer Partners (ETP) in April 2015.
Targa Resources Partners
Owns natural gas pipelines and processing plants in Louisiana and
Texas. Acquired by its general partner, Targa Resources Corp. (TRGP),
in February 2016.
Exploration & Production
Encore Energy Partners (ENP)
A September 2007 IPO, Encore owned producing and non-producing oil and
natural gas properties in the Big Horn Basin in Wyoming and
Montana, the Williston Basin in North Dakota and Montana, the Permian
Basin in West Texas and New Mexico, and the Arkoma Basin in Arkansas and
Oklahoma. Vanguard Natural Resources was the Master Partner and owned 46%
of Encore's limited partner units. Vanguard acquired Encore in
Resource Partners (OXF)
A July 2010 IPO, Oxford
produced steam coal from mines in Northern Appalachia and the Illinois
Basin. Acquired by Westmorland Coal (WLB) in January 2015.
Linn Energy (LINQ)
Linn, an LLC, owned natural gas reserves in the Texas Panhandle, Oklahoma,
Michigan, and in the Los Angeles Basin. Filed for
bankruptcy and delisted by NASDAQ in May 2016.
LinnCo LLC (LNCO)
LinnCo was an LLC that has elected to be taxed as a corporation
for U.S. federal income tax purposes. Shareholders receive Form 1099 for
dividends. LinnCo had no assets or operations other than its ownership
of LINN (LNCOQ) units. Filed for bankruptcy and delisted by
NASDAQ in May 2016.
LRR Energy (LRE)
A 2011 IPO, LRR owned
oil and natural gas properties, primarily in the Permian Basin. A unit
of Lime Rock Resources was general partner. Acquired by Vanguard
Natural Resources in October 2015.
New Source Energy Partners (NSLP)
A February 2013 IPO, New
Source owned onshore and offshore oil and natural gas resources in
east-central Oklahoma. New Source Energy GP, LLC, was general partner.
Declared bankruptcy in March 2016.
Virginia Resource Partners (PVR)
but did not operate, coal properties and related assets. PVR also
generated revenues from the sale of timber growing on its properties.
Also owned and operated natural gas gathering and processing facilities.
Acquired by Regency Energy Partners (RGP) in October 2013.
Pioneer Southwest Energy Partners (PSE)
A May 2008 IPO, Pioneer owned oil and natural gas reserves in Texas and
in southwest New Mexico. Acquired by Pioneer Natural Resources in
QR Energy (QRE)
A December 2010 IPO, QR owned crude oil (70%) and natural gas (30%)
reserves in the Permian Basin, Ark-La-Tex, Mid-Continent and Gulf
Coast regions. Acquired by BreitBurn Energy in November 2014.
Rhino Resources (RNO)
A September 2010 IPO, Rhino
produced steam and metallurgical coal from mines in Central Appalachia,
Northern Appalachia, the Illinois Basin, and the Western Bituminous
region. Completed 1 for 10 reverse stock split in April 2016. In
March 2016, agreed to be acquired by Royal Energy Resources.
Alliance Holdings GP, L.P. (AHGP)
GP for coal miner Alliance Resource Partners (ARLP), merged into
ARLP in May 2017.
Atlas Energy, L.P. (ATLS)
GP for natural gas pipeline operator
Atlas Pipeline Partners (APL) and the newly formed Atlas Resource
Partners, L.P., which operates natural gas and oil development and
production assets. Filed
for bankruptcy in July 2016.
Crosstex Energy, Inc.
Was GP for Crosstex Energy, LP which owned
natural gas pipelines and associated facilities in Texas and in
In March 2014, merged with units
of Devon Energy.
Spectra Energy Corp. (SE)
GP for natural gas pipeline operator
Spectra Energy Partners (SEP) Acquired by Enbridge, Inc, in February