In a recent report on the energy sector, analysts at Goldman Sachs listed seven stories currently developing in the volatile space that they believe could make major impacts.

Here's a rundown of Goldman's seven stories:

1. Magellan Midstream Partners LP (NYSE: MMP) and Plains All American Pipeline LP (NYSE: PAA) have announced an Anadarko Petroleum Corp (NYSE: APC) subsidiary has agreed to purchase a 20 percent interest in the Saddlehorn Pipeline.

The new ownership split leaves Magellan and Plains All American with 40 percent stakes each.

2. Enterprise Products Partners LP (NYSE: EPD) has announced that an affiliate has purchased 3.225 million units of EPD at a price of about $31.01 per unit. The $100 million stake now gives the affiliate, Enterprise Products Company, about a 35 percent stake in EPD.

Related Link: EXCLUSIVE: Oppenheimer Chief Economist Sees Little Downside Remaining For Oil

3. EnLink Midstream Partners LP (NYSE: ENLK) and EnLink Midstream LLC (NYSE: ENLC) have announced that EnLink's previously-announced purchase of Coronado Midstream Holdings for about $600 million has officially closed.

4. WGL Holdings Inc (NYSE: WGL) held its Analyst Day, where it announced its plan to grow earnings by 7 to 10 percent from 2014 to 2019.

5. Buckeye Partners LP (NYSE: BPL) announced a binding open season for its Cross Town Pipeline Project through the end of April. The Pipeline will eventually allow for the transport of Buckeye's refined products from its Chicago complex to various terminals throughout Illinois.

6. Rangeland Energy announced an agreement with Delek US Holdings Inc (NYSE: DK) to make Delek the anchor shipper on the RIO pipeline. Rangeland will hold 67 percent interest in the pipeline with Delek's logistics arm, Delek Logistics Partners LP (NYSE: DKL).

7. Williams Companies Inc (NYSE: WMB) announced that the Federal Energy Regulatory Commission has approved Williams' proposed expansion of its mainline pipeline system to connect Transco to an electricity generating facility in Cecil County, Maryland.

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