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Graph up WTI Crude •10 mins 71.74 +2.25 +3.24%
Graph up Brent Crude •10 mins 75.16 +2.08 +2.85%
Graph up Natural Gas •10 mins 3.722 +0.065 +1.78%
Graph up Heating Oil •10 mins 2.232 +0.061 +2.80%
Graph up Gasoline •10 mins 2.113 +0.070 +3.41%
Graph up Louisiana Light •2 days 71.17 +3.18 +4.68%
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Chart Louisiana Light • 2 days 71.17 +3.18 +4.68%
Chart Bonny Light • 2 days 71.26 +0.58 +0.82%
Chart Opec Basket • 2 days 71.41 -0.20 -0.28%
Chart Mars US • 18 hours 68.29 +3.28 +5.05%
Chart Gasoline • 10 mins 2.113 +0.070 +3.41%

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Graph down Marine •2 days 70.02 -0.91 -1.28%
Graph down Murban •2 days 71.07 -0.77 -1.07%
Graph up Iran Heavy •2 days 67.69 +0.48 +0.71%
Graph down Basra Light •8 days 71.69 -3.60 -4.78%
Graph up Saharan Blend •2 days 72.21 +0.50 +0.70%
Graph up Bonny Light •2 days 71.26 +0.58 +0.82%
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Chart Bonny Light • 2 days 71.26 +0.58 +0.82%
Chart Girassol • 2 days 72.32 +0.46 +0.64%
Chart Opec Basket • 2 days 71.41 -0.20 -0.28%

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Graph up Canadian Crude Index •2 days 53.21 +4.27 +8.72%
Graph up Western Canadian Select •15 hours 50.69 +3.23 +6.81%
Graph up Canadian Condensate •15 hours 68.49 +3.23 +4.95%
Graph up Premium Synthetic •15 hours 69.89 +3.23 +4.85%
Graph up Sweet Crude •15 hours 63.54 +3.23 +5.36%
Graph up Peace Sour •15 hours 60.49 +3.23 +5.64%
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Chart Peace Sour • 15 hours 60.49 +3.23 +5.64%
Chart Light Sour Blend • 15 hours 62.79 +3.23 +5.42%
Chart Syncrude Sweet Premium • 15 hours 63.79 +3.23 +5.33%
Chart Central Alberta • 15 hours 60.99 +3.23 +5.59%

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Graph up Louisiana Light •2 days 71.17 +3.18 +4.68%
Graph up Domestic Swt. @ Cushing •2 days 66.00 +3.25 +5.18%
Graph up Giddings •2 days 59.75 +3.25 +5.75%
Graph down ANS West Coast •1 min 70.78 -0.47 -0.66%
Graph up West Texas Sour •2 days 63.44 +3.23 +5.36%
Graph up Eagle Ford •2 days 67.39 +3.23 +5.03%
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Chart Eagle Ford • 2 days 67.39 +3.23 +5.03%
Chart Oklahoma Sweet • 2 days 66.00 +3.25 +5.18%
Chart Kansas Common • 2 days 59.75 +3.25 +5.75%
Chart Buena Vista • 2 days 74.23 +2.99 +4.20%

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  3. Joanna Martin Ziegenfuss
Joanna Martin Ziegenfuss

Berkeley Research Group

Contributor since: 12 Sep 2016

Joanna Martin Ziegenfuss

Joanna Martin Ziegenfuss, an associate director with the Berkeley Research Group, in Washington, DC, is an international expert in small scale LNG with over 12 years of experience in the oil and gas industry. She has advised oil majors, project developers, private equity firms and financial institutions targeting emerging market opportunities to develop feasibility studies, business strategies and project due diligences. She has broad industry experience in oil and gas upstream and downstream developments which is underpinned by a robust environmental background gained in her earlier career as an environmental specialist and advisor to international oil companies.

Latest articles from Joanna

  • Big Break Through For Small Scale LNG

    Published 13 September 2016 | viewed 27,740 times

    With the price differential between oil and LNG sending mixed signals to the market, is the time right to look at Small Scale LNG (SSLNG)?…

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