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May 20, 2013
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At least one dead as tornadoes rip through Oklahoma

One person was confirmed dead by Pottawatomie County Sheriff Mike Booth.

Local and state forecast: Another storm system poised to hit Oklahoma.

 
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Union football determined to regain championship form

Union senior linebacker Coleby Evans looked in championship form when he intercepted a pass and made a big return late in spring practice Friday.

 
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Keystone pipeline critics point to 2010 Enbridge disaster

The Enbridge oil slick never reached Lake Michigan, but it slid as far down river as the delta of Morrow Lake, not too far from the city of Kalamazoo.

 
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Monday Organizer: Tips to keep your house cooler this summer

With the Memorial Day weekend approaching, many people have been taking advantage of nice weather.

 
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Check dentists in our disciplinary database. Who is Tulsa's next mayor?
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SemGroup goes bankrupt

On July 16, 2008, SemGroup LP and its co-founder Tom Kivisto were the toast of Tulsa, prominent among community donors and noted for company's phenomenal growth. By July 17, however, a true picture of the energy firm's cashflow crisis became obvious. SemGroup LP filed bankruptcy and cast doubt on whether it or SemGroup Energy Partners, its sole publicly traded subsidiary, could survive the growing debt burdens and eventual sale of all of the parent company's assets.

December 2009: SemGroup emerges from bankruptcy as corporation; Norm Szydlowski named CEO.

May 2010: SemGroup files registration to be publicly traded.

November 2010: SemGroup debuts on New York Stock Exchange.

August 2011: Announces spin off of crude oil assets into MLP called Rose Rock Midstream LP.

December 2011: SemGroup fends hostile takeover bid by Plains All-American Pipeline LP.

July 2012: Kivisto speaks for first time in four years, tells Tulsa World that downfall was due more to worldwide financial collapse than futures trading losses.

October 2012: SemGroup takes 50 percent stake in Glass Mountain Pipeline joint venture with Gavillon LLC. Completion expected in 2013.



SemGroup and Kivisto are alleged to have lost $2.4 billion in hedged trading on oil futures markets. On this site, you will find all of the stories, art and graphics included in the Tulsa World's coverage of the SemGroup collapse, as well as court documents from its bankruptcy filing.

Contact the reporter: ROD WALTON, 581-8457or rod.walton@tulsaworld.com
HEADLINES
SemGroup reports $22.1 million profit for 2012

SemGroup reports $22.1 million profit for 2012   3/1/2013

SemGroup Corp's comeback story completed another strong chapter Thursday as the Tulsa-based energy storage and transport firm reported a $22.1 million profit for 2012.
SemGroup steps in to transport oil as production surges

SemGroup steps in to transport oil as production surges   12/7/2012

SemGroup Corp. faced a flurry of challenges coming out of bankruptcy three years ago, from rebuilding trust with customers and creditors to whether it should keep a name sullied by financial collapse.
SemGroup, Gavillon buy out Chesapeake stake in oil pipeline

SemGroup, Gavillon buy out Chesapeake stake in oil pipeline   10/11/2012

SemGroup Corp. and partner Gavillon LLC have bought out Chesapeake Energy Corp.'s 50 percent stake in the Glass Mountain Pipeline project to bring oil from the Mississippian Lime to the Cushing crude storage hub, Tulsa-based SemGroup announced Wednesday.

SemGroup's 2Q profits rise   8/9/2012

Second-quarter profits rose at both SemGroup Corp. and Rose Rock Midstream LP as demand for crude oil pipeline and terminal services grew rapidly across the Mid-Continent, the Tulsa-based energy infrastructure company reported Wednesday.
Some key players in SemGroup bankruptcy are back in the news

Some key players in SemGroup bankruptcy are back in the news   7/22/2012

SemGroup's rise and fall and rebirth is well documented, but many of those who played an outside role during its dark days themselves have hit the bull's-eye of notoriety recently - whether they wanted to or not.
Semgroup co-founder Tom Kivisto speaks out for the first time in four years

Semgroup co-founder Tom Kivisto speaks out for the first time in four years   7/22/2012

SemGroup LP co-founder and former CEO Tom Kivisto came out swinging during his first interview in four years about the firm's rise and fall and rebirth.
SemGroup prospering four years after collapse

SemGroup prospering four years after collapse   7/22/2012

The sunrise of SemGroup Corp.'s slow, hard journey out of bankruptcy didn't really dawn on CEO Norm Szydlowski until he looked into the face of Curdel Moreland.

Plains ends SemGroup bid   4/18/2012

Plains All-American Pipeline LP is dropping its $1 billion hostile bid for Tulsa-based SemGroup Corp.

SemGroup eliminating risk officer job   1/14/2012

SemGroup Corp. will eliminate its chief risk officer position by the end of this month, two years after creating the oversight job in the wake of a Chapter 11 bankruptcy that stemmed from bad bets in oil futures trading.

Rose Rock trading begins Friday on NYSE   12/9/2011

Tulsa-based oil terminal and transport company Rose Rock Midstream LP will begin trading Friday on the New York Stock Exchange, SemGroup Corp. officials said Thursday.
SemGroup drops after suitor Plains agrees to buy BP assets

SemGroup drops after suitor Plains agrees to buy BP assets   12/2/2011

Tulsa-based SemGroup Corp., target of a $1 billion buyout attempt by Plains All American Pipeline LP, saw its stock price drop nearly 7 percent Thursday after Plains agreed to pay $1.67 billion in cash for BP Plc's Canadian gas-liquids operations.

SemGroup still not impressed with Plains' offer   11/18/2011

SemGroup Corp. is still not impressed with Plains All-American Pipeline LP's offer to buy outstanding shares in a deal totaling $1.2 billion, according to a letter released Thursday by the Tulsa-based midstream energy firm.

SemGroup told to reconsider Plains offer   11/17/2011

SemGroup should reconsider its rejection of Plains All-American Pipeline LP's unsolicited bid and delay its planned initial public offering of a subsidiary, Plains CEO Greg Armstrong wrote to the Tulsa midstream energy firm's leadership Wednesday.
SemGroup turnaround strong with $14.3 million quarterly profit

SemGroup turnaround strong with $14.3 million quarterly profit   11/15/2011

The turnaround at SemGroup Corp. is coming on strong with a $14.3 million quarterly profit and more than $100 million earmarked for debt reduction in the near future, executives at the Tulsa-based midstream energy company said Monday.
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