Latest posts

FracFocus disclosures published between April 3, 2026 and May 4, 2026

FracFocus disclosures published between March 8th and April 3, 2026

FracFocus disclosures published between February 6 and March 8, 2026

FracFocus disclosures published between January 6 and February 6, 2026

FracFocus disclosures published between December 1, 2025 and January 6, 2026

This article analyzes chemical disclosures from the Bayswater Exploration well pad “Dehaan South,” highlighting discrepancies between FracFocus and the ECMC database.

FracFocus disclosures published between November 05, 2025 and December 1, 2025

This post analyzes chemical disclosure data for Bonanza Creek Energy’s well pad, comparing the FracFocus system with Colorado’s ECMC database. It reveals both systems report the same fracking events, but ECMC lacks some required disclosures, including five missing chemicals. This highlights compliance gaps in accordance with Colorado’s law.

We compare chemical disclosures from FracFocus with Colorado’s ECMC database for a hydraulic fracturing job operated by Extraction Oil & Gas in Weld County. The study finds an unexpected anomaly: 5 chemicals appear only in the FracFocus disclosure.

This analysis highlights differences between Colorado’s new ECMC database and FracFocus for an Extraction Oil and Gas well pad.

The well pad in this comparison is anomalous with only two products and no proppant. Even then, the ECMC and FracFocus disclosures are different.

Comparing the product lists from one source to two separate disclosures instruments uncovers inconsistencies that undermine both instruments.

The post compares Colorado’s new ECMC database to FracFocus, revealing significant data gaps in chemical disclosures for fracking.

The comparison of two fracking chemical databases reveals that FracFocus is incomplete, missing 15 chemicals.

The analysis reveals unexpected gaps in chemical disclosures between FracFocus and Colorado’s ECMC database, contradicting expectations of increased transparency.

The comparison of two fracking chemical databases reveals that FracFocus is incomplete, missing 15 chemicals.

FracFocus disclosures published between October 7, 2025 and November 5, 2025

The analysis compares fracking disclosures for Crestone’s “Invicta Pad 3-65 28,” revealing FracFocus data gaps and ECMC’s more comprehensive chemical reporting.

The analysis reveals discrepancies in chemical disclosures between FracFocus and ECMC’s database, identifying previously unlisted chemicals.

We examine the chemical disclosures of the site of the Galeton catastrophic blowout. The ECMC disclosures appear to be incomplete.

The post analyzes chemical disclosures from the Kerr McGee “Paul Nelson 25-29HZ” well pad, highlighting significant gaps in FracFocus data compared to Colorado’s ECMC database.

The comparison of two fracking chemical databases reveals that FracFocus is incomplete, missing 17 chemicals, including hazardous ones that ECMC disclosed.

The analysis reveals unexpected gaps in chemical disclosures between FracFocus and Colorado’s ECMC database, contradicting expectations of increased transparency.

The comparison reveals ECMC’s transparency over FracFocus, disclosing 42 additional chemicals and highlighting compliance gaps in chemical reporting.

Comparisons of Colorado’s new chemical disclosure system for fracking to FracFocus should reveal previously hidden chemical information.

FracFocus disclosures published between September 7, 2025 and October 7, 2025

FracFocus disclosures published between August 7, 2025 and September 7, 2025

FracFocus disclosures published between July 7, 2025 and August 7, 2025

FracFocus disclosures published between May 14, 2025 and July 7, 2025

Safety Data Sheets are the source of FracFocus chemical lists. But they are abbreviations of the full set of chemicals in a product.

New: Visit this page to view up-to-date status on Colorado disclosures and more information. On May 20, 2025, PSR Colorado, the Sierra Club and the FracTracker Alliance released a report on the status of Colorado’s chemical disclosure program that was created by a 2022 law. The Guardian published an article about the report and theContinue reading “An update about Colorado’s chemical disclosure site”

Open-FF found 369 Montana wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 1,037 Arkansas wells with trade secret records. Broad patterns and examples are illustrated.

California is unique among fracking states for trade secrets because of a law that substantially limits the conditions under which they may be used.

Open-FF found 2,378 West Virginia wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 2,799 Louisiana wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 3,595 Utah wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 3,724 Wyoming wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 12,188 North Dakota wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 12,065 Oklahoma wells with trade secret records. Broad patterns and examples are illustrated

FracFocus disclosures published between April 20, 2025 and May 14, 2025

Open-FF found 75,926 Texas wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 11,433 New Mexico wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 6,058 Pennsylvania wells with trade secret records. Broad patterns and examples are illustrated.

The history, implementation and factors that undermine the Systems Approach in FracFocus

Open-FF found 13,166 Colorado wells with trade secret records. Broad patterns and examples are illustrated.

Open-FF found 2,653 Ohio wells with trade secret records. Broad patterns and examples are illustrated.

A discussion of issues around trade secret use in FracFocus, including the controversy and implementation.

FracFocus disclosures published between March 24, 2025 and April 20, 2025

Summary: When it comes to understanding industry’s use of chemicals, Colorado’s 2022 disclosure law is a welcome step towards transparency. The law clearly stipulates that all chemicals used “downhole” – including drilling and fracking materials – must be reported. However, our analysis of the current data reported through the ECMC’s website finds no evidence thatContinue reading “Drilling chemicals are missing from Colorado’s disclosure system”

FracFocus disclosures published between February 19, 2025 and March 24, 2025

Open-FF found 142 Arkansas wells with records that do not report quantity data.

Open-FF found 152 Montana wells with records that do not report quantity data.

Open-FF found 173 Kansas wells with records that do not report quantity data.

Open-FF found 243 California wells with records that do not report quantity data.

Open-FF found 351 West Virginia wells with records that do not report quantity data.

Open-FF found 660 Louisiana wells with records that do not report quantity data.

Open-FF found 729 Wyoming wells with records that do not report quantity data.

Open-FF found 830 Utah wells with records that do not report quantity data.

Open-FF found 1,110 Pennsylvania wells with records that do not report quantity data.

Open-FF found 1,602 Colorado wells with records that do not report quantity data.

Open-FF found 1,894 New Mexico wells with records that do not report quantity data.

Open-FF found 3,366 Oklahoma wells with records that do not report quantity data.

Open-FF found 3,487 North Dakota wells with records that do not report quantity data.

Open-FF found 594 Ohio wells with records that do not report quantity data.

Open-FF found 21,439 Texas wells with records that do not report quantity data.

FracFocus disclosures published between January 17, 2025 and February 19, 2025

Visit our new section on chemical perspectives; functions; structures and hazards.

Penn Virginia Corporation omitted quantity data in 225 FracFocus disclosures. We summarize the omissions in this post.

Talisman Energy USA Inc. omitted quantity data in 134 FracFocus disclosures. We summarize the omissions in this post.

Finley Resources, Inc. omitted quantity data in 151 FracFocus disclosures. We summarize the omissions in this post.

Phoenix PetroCorp, Inc. omitted quantity data in 12 FracFocus disclosures. We summarize the omissions in this post.

Cimarex Energy Co. omitted quantity data in 172 FracFocus disclosures. We summarize the omissions in this post.

Slawson Exploration Company, Inc. omitted quantity data in 232 FracFocus disclosures. We summarize the omissions in this post.

Linn Energy, LLC omitted quantity data in 240 FracFocus disclosures. We summarize the omissions in this post.

Apache Corporation omitted quantity data in 386 FracFocus disclosures. We summarize the omissions in this post.

Chevron USA Inc. omitted quantity data in 328 FracFocus disclosures. We summarize the omissions in this post.

Discovery Natural Resources LLC omitted quantity data in 140 FracFocus disclosures. We summarize the omissions in this post.

Newfield Exploration omitted quantity data in 266 FracFocus disclosures. We summarize the omissions in this post.

EP Energy omitted quantity data in 416 FracFocus disclosures. We summarize the data omissions in this post.

Novo Oil & Gas Texas, LLC omitted quantity data in 89 FracFocus disclosures. We summarize the omissions in this post.

Noble Energy, Inc. omitted quantity data in 381 FracFocus disclosures. We summarize the omissions in this post.

PDC Energy omitted quantity data in 176 FracFocus disclosures. We summarize the omissions in this post.

Murphy Exploration and Production USA omitted quantity data in 328 FracFocus disclosures. We summarize the omissions in this post.

Oasis Petroleum omitted quantity data in 278 FracFocus disclosures. We summarize the omissions in this post.

COG Operating LLC omitted quantity data in 329 FracFocus disclosures. We summarize the omissions in this post.

Valence Operating Company omitted quantity data in 50 FracFocus disclosures. We summarize the omissions in this post.

BP America Production Company omitted quantity data in 348 FracFocus disclosures. We summarize the omissions in this post.

Encana Oil & Gas (USA) Inc. omitted quantity data in 330 FracFocus disclosures. We summarize the omissions in this post.

Parsley Energy Operations, LLC omitted quantity data in 314 FracFocus disclosures. We summarize the omissions in this post.

Whiting Petroleum omitted quantity data in 539 FracFocus disclosures. We summarize the omissions in this post.

SM Energy omitted quantity data in 610 FracFocus disclosures. We summarize the omissions in this post.

ConocoPhillips omitted quantity data in 831 FracFocus disclosures. We summarize the omissions in this post.

Devon Energy Production omitted quantity data in 658 FracFocus disclosures. We summarize the omissions in this post.

XTO Energy/ExxonMobil omitted quantity data in 989 FracFocus disclosures. We summarize the omissions in this post.

BHP Billiton Petroleum omitted quantity data in 964 FracFocus disclosures. We summarize the omissions in this post.

Occidental Oil and Gas omitted quantity data in 936 FracFocus disclosures. We summarize the omissions in this post.

Anadarko Petroleum Corporation omitted quantity data in 660 FracFocus disclosures. We summarize the omissions in this post.

Marathon Oil omitted quantity data in 1,230 FracFocus disclosures. We summarize the omissions in this post.

SandRidge Energy omitted quantity data in 751 FracFocus disclosures. We summarize the omissions in this post.