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We provide independent research, analytical support, and expert testimony for litigation, securities, and regulatory matters, often complementing clients internal litigation or regulatory teams.  Our senior staff have appeared before Canadian and U.S. courts, and provincial, state, and federal regulators. 

Our presentations have been cited for their clarity and insight.  Ziff Energy continues to grow and strengthen our ability to support clients need for independent, unbiased assessments and support, for litigation and regulatory matters.

International LNG Developer (2010-2011)
Expert Testimony on North American Gas Supply and Markets to 2045

• Developed a forecast of Gas Supply and Demand to underpin exports of LNG from Western Canada


• Supply/Demand Assessment submitted to NEB for Export Impact Assessment


• Export Licence granted without hearing.

North American LNG Developer (2010-2011)
Expert Testimony on North American Gas Supply and Markets to 2035

• Developed a forecast of Gas Supply and Demand to underpin exports of LNG from Western Canada


• Supply/Demand Assessment submitted to NEB for Export Impact Assessment


• Appeared as Expert Witness at hearing.

North American Company (2009-2010)
Expert Testimony on Alberta and T-North Gas Exports to 2020

• developed an independent forecast of Alberta and T-North natural gas exports to 2020


• gas flows were assessed at Alberta and BC gas export locations to 2020.

Western U.S. LDC (2009-2010)
Expert Testimony on North American Gas Supply and Demand to 2044

• Public Utilities Commission of Nevada (Docket No. 09-07003)


• 150 page report in support of PUC supply plan


• report accepted by Regulators and Intervenors without question.

Major Oil Producer (2008-2009)
Expert Opinion & Analysis for U.S. Securities Litigation

Prepared a 60 page report regarding methods to assess damage:

• client discussions to explain damage calculations.

Gas Storage Operator (2008)
Expert Opinion & Analysis for a North American Storage Operator

• prepared initial research on storage valuation


• litigation pending.

Regulatory Board (2007-2008)
Expert Testimony for an Inquiry into NGL Supply, Demand, and NGL Extraction Rights

Prepared a 170 page report as the Regulatory Board's Inquiry Expert, including:

• a 20 year forecast of natural gas and NGL supply and demand for Alberta
• a review of NGL extraction rights conventions in Alberta and North America
• a summary and assessment of interested parties' submissions and recommendation on a preferred NGL extraction rights convention.

Major Oil and Gas Producer (2006-2008)
Expert Testimony on a Gas Purchase Contract Dispute

Provided 190 page expert evidence in a litigation representing a producer in a dispute with a major gas marketer on termination of long term gas sales contracts, including:

• detailed calculations and analysis assessing future gas sales value
• duplication/auditing of marketer's calculations
• 70 page rebuttal evidence critiquing opponent's evidence.

Intermediate Oil and Gas Producer (2007)
Expert Testimony on a Gas Purchase Contract Dispute

Prepared 70 page rebuttal evidence for a producer disputing termination of long term gas purchase and sales contracts with a major gas marketer.

Western Canada Gas Producer (2006-2007)
Litigation Testimony on Royalty Payment Deductions

• Audited methodology and calculations of processing fee deductions under a natural gas royalty agreement, to support litigation between a producer and royalty holder
• 50 page expert report detailing historical processing fee calculation methodology for royalty deductions
• expert witness at trial as required.