M G HILL CONSULTING

Oil & Gas Expert Witness & Technical Advisory

 

The Battle Over Buried Premises:

Why Most Arguments Are Lost Before They Begin — and What Expert Witnesses Can Do About It

Mike Hill

M G Hill Consulting  |  May 21, 2026

 

 

“A lot of modern debate is not a battle over conclusions. It is a battle over buried premises. And most people lose because they argue about the conclusion while accepting the other side’s premises.”

— Mike Hill

I. The Premise Problem in Legal and Technical Disputes

In courtrooms, arbitration hearings, and regulatory proceedings, the most consequential battles are rarely fought over the conclusions lawyers present to the finder of fact. They are fought — and too often quietly lost — over the premises embedded in technical evidence long before anyone reaches a closing argument. This distinction is not merely rhetorical. It has deep roots in both classical logic and modern cognitive science, and it carries immediate practical consequences for attorneys who rely on expert testimony in oil and gas litigation.

 

Aristotle identified the structural problem nearly 2,400 years ago in the Nicomachean Ethics and the Posterior Analytics: an argument is only as sound as its first principles. “If the principles are sound, the conclusions will be sound; if the principles are unsound, nothing that follows from them can be trusted.”¹ What Aristotle called first principles, contemporary litigation practitioners might call foundational assumptions — the technical, regulatory, and operational premises that underlie an expert’s opinion. When those premises go unchallenged, the battle is effectively over.

 

The problem is compounded by what cognitive psychologist Daniel Kahneman describes as System 1 thinking — the fast, automatic, pattern-matching mode of cognition that governs most human judgment.² Jurors, arbitrators, and even experienced judges are susceptible to accepting technically framed premises at face value, particularly when they are delivered with apparent confidence by a credentialed witness. The burden of unpacking and challenging those premises almost always falls to opposing counsel — and that requires an expert who can identify them in the first place.

 

II. Where Buried Premises Live in Oil and Gas Cases

In oil and gas disputes — measurement errors, custody transfer disagreements, royalty underpayment claims, pipeline integrity failures, lease valuation conflicts — buried premises are endemic. They appear in the methodology an expert uses to calculate volume, in the calibration assumptions embedded in meter readings, in the regulatory framework an expert treats as settled when it is, in fact, contested.

 

Consider a common scenario: a plaintiff’s expert calculates royalty underpayment by applying a particular shrinkage factor to production volumes. The conclusion — a dollar figure representing alleged underpayment — is what both sides argue over. But embedded in that calculation is a buried premise: that the shrinkage methodology applied is the appropriate one for the specific lease terms, production conditions, and applicable regulatory environment. If that premise is accepted without challenge, the arithmetic that follows is unassailable.

 

This is precisely the dynamic that philosopher Stephen Toulmin described in The Uses of Argument (1958): every practical argument contains not just a claim and data, but a warrant — an often unstated principle that licenses the inferential step from data to claim.³ In technical litigation, the warrant is usually a methodological assumption. It is the expert witness’s job to make those warrants visible, and the attorney’s job to decide whether to challenge them.

 

Jonathan Haidt’s research in moral and social psychology adds another layer: people are motivated reasoners who construct arguments to support conclusions they have already reached intuitively, then defend the premises that support those conclusions as if they were self-evident.⁴ An opposing expert who has spent a career in a particular technical tradition may not even recognize that his foundational assumptions are assumptions at all — they feel like facts. That is exactly when they are most dangerous.

 

III. The Expert Witness as Premise Auditor

The most valuable function an oil and gas technical expert can perform for litigation counsel is not, in the first instance, to offer competing conclusions. It is to audit the premises — to examine the foundational assumptions of the opposing expert’s analysis and determine which ones are technically defensible, which are contestable, and which are simply wrong.

 

This reframes the expert’s role in a way that is both intellectually honest and strategically powerful. Rather than a battle of dueling credentials, the proceeding becomes what it should be: a disciplined examination of whether the opposing expert’s methodology is grounded in sound technical principles and accurately applied to the specific facts of the case.

 

In measurement and custody transfer disputes — an area of particular focus in my practice — this premise audit typically involves scrutiny of: (1) the applicable API or AGA measurement standards and whether they were correctly applied; (2) the calibration history of metering equipment and the assumptions made when calibration records are incomplete; (3) the contractual definitions governing volume calculation and whether the expert has read them accurately; and (4) the regulatory framework — whether Oklahoma Corporation Commission rules, FERC regulations, or state common law — that establishes the operative standard of care.

 

Each of these is a domain where buried premises are common and where a technically grounded challenge can reshape the entire evidentiary landscape of a case.

 

IV. Practical Implications for Litigation Counsel

Attorneys who retain technical experts primarily to produce competing bottom-line opinions are often leaving their strongest arguments on the table. The more effective — and increasingly recognized — approach is to engage technical expertise early in discovery, specifically to identify the methodological premises in the opposing expert’s report before deposition.

 

This approach is consistent with the framework articulated by advocacy scholars Jay Heinrichs in Thank You for Arguing and classical rhetoricians from Cicero forward: the most effective persuasion does not attack the opponent’s conclusion directly; it undermines the premises that make the conclusion seem inevitable.⁵ In a technical dispute, that means getting the opposing expert to either defend a dubious premise on the record or abandon it — both of which advance your client’s position.

 

In deposition and at trial, this translates to a sequence: establish the premise, confirm that the expert relied on it, and then introduce the technical evidence that the premise does not hold. The conclusion collapses on its own.

 

 

Conclusion

Modern technical litigation is won or lost at the level of foundational assumptions. The attorney who understands this — and who engages technical expertise not merely to generate competing numbers but to audit the premises underlying the opposing analysis — has a structural advantage that cross-examination of conclusions cannot overcome.

 

The buried premises are where the case lives. Finding them is the work.

 

— Mike Hill, M G Hill Consulting

 

 

About the Author

Mike Hill is an oil and gas measurement and custody transfer specialist with over 30 years of industry experience. Through M G Hill Consulting, he provides technical advisory and expert witness services to attorneys and insurance professionals in energy sector disputes, with particular focus on measurement error, royalty calculation, and custody transfer audits. He can be reached through mghillconsulting.com.

 

 

 

References

1.  Aristotle. Nicomachean Ethics, Book I, Chapter 7; Posterior Analytics, Book I. (ca. 350 BCE). Trans. W.D. Ross. Oxford University Press, 1998.

2.  Kahneman, D. Thinking, Fast and Slow. Farrar, Straus and Giroux, 2011. pp. 20–30.

3.  Toulmin, S. The Uses of Argument. Cambridge University Press, 1958. pp. 89–100.

4.  Haidt, J. The Righteous Mind: Why Good People Are Divided by Politics and Religion. Pantheon Books, 2012. pp. 52–61.

5.  Heinrichs, J. Thank You for Arguing: What Aristotle, Lincoln, and Homer Simpson Can Teach Us About the Art of Persuasion. Three Rivers Press, 2007. pp. 141–158.