from The American Heritage® Dictionary of the English Language, 4th Edition

  • A river, about 692 km (430 mi) long, rising in eastern Wyoming and flowing generally eastward to the Missouri River in northeast Nebraska.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a tributary of the Missouri River


Sorry, no etymologies found.


  • Chesapeake will operate the 800,000-acre project in a pair of basins in a region called the Niobrara shale.

  • A 90 million-year-old oil bed called the Niobrara - estimated to contain two billion barrels, locked in shale that in past drilling eras was considered too costly to extract - laces down from southeast Wyoming and Nebraska.

    NYT > Home Page

  • Chesapeake, an oil and natural gas company based in Oklahoma City, will operate the 800,000-acre project in a pair of basins in a region called the Niobrara shale.

  • The company said it bought the acres in the so-called Niobrara shale from Lario Oil & Gas Co, but did not disclose a price.

    Reuters: Press Release

  • A group of 18 farmers, ranchers and settlers in the Niobrara area called the Niobrara Mutual Protective Association and the Chelsea Regulators, or simply the Regulators, formed under the loose control of - News Articles

  • This year, Mr. Musante continues to see growth opportunities in emerging shale formations with high oil content, like the Utica in northeast Ohio and the Niobrara in Colorado and Wyoming.

    Oil and Gas Producers

  • The move follows Chesapeake Energy Corp.'s agreement in January to sell part of its oil-rich assets in the Niobrara Shale formation in northeast Colorado and southeast Wyoming for $1.3 billion to China's biggest offshore oil producer, Cnooc Ltd.

    Korea to Pay $1.55 Billion for Anadarko Shale Stake

  • That spread was narrowed last week when the company agreed to sell a one-third stake in its Niobrara shale formation to CNOOC Ltd. of China for $570 million.

    Chesapeake Energy Puts Assets on Block

  • The two companies' pipeline systems are most tangled in eastern Colorado, western Kansas, Nebraska and Wyoming, a booming area for drilling where producers target the prolific Niobrara Shale formation.

    Kinder-El Paso Merger to Face Antitrust Scrutiny

  • Associated Press An oil rig drills a well in the Niobrara Shale in Wyoming, one of the areas in which Devon Energy is selling a stake to China's state-owned Sinopec.

    Sinopec Enters U.S. Shale


Log in or sign up to get involved in the conversation. It's quick and easy.