Use of Risk-Based Criteria for Characterization of Environmental Remediation Liabilities in Upstream Oil and Gas Production Facilities. 13th Annual International Petroleum Environmental Conference, San Antonio, TX

TRRP Training: 2022 Program

presented by: GSI Environmetal Inc.

Texas Risk Reduction Program regulations (TRRP; 30 TAC 350) establish consistent risk-based protocols for assessment and response to soil, groundwater, or surface water impacts associated with environmental releases of regulated wastes or substances.

Presented by GSI Environmental Inc., this popular and informative training series is a must for professionals who need a working understanding of TRRP and those needing to stay up-to-date with the latest TCEQ TRRP guidance and policies.

TRRP Training Course (2 Days): Provides an overview of the TRRP framework and step-by-step training on property assessment and response action procedures established under the TRRP rule

Attendees will become acquainted with rules, key guidance and policies covering affected property assessments, protective concentration levels, and response actions. The course material presents strategies for efficient project management in compliance with TRRP and explains the various report forms adopted by TCEQ.

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Dates and Location

Dates

June 14th and 15th, 2022

Location

Crowne Plaza River Oaks 2712 SW Freeway Houston, Texas 77098 713.523.8448 http://www.crowneplaza.com/

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Authors: John A. Connor, Richard L. Bowers, S. Maberti, J. Mejia , Ravishankar, Pedro J. Alvarez

Published: October 2006 in N/A.

Abstract

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This paper describes a unique approach for use of the ASTM Risk-Based Corrective Action (RBCA) process to establish baseline environmental conditions, classify environmental risks, and predict the potential remediation costs associated with historical oilfield operations, as part of an environmental due diligence performed for upstream oil and gas production facilities in Colombia. This risk-based due diligence process allowed prioritization and characterization of sites based on key risk and cost drivers. The methodology facilitated identification of remedial action strategies and development of an appropriate remedial action schedule, based upon inspection and review of a representative sample of the oilfield facilities, for an oilfield consisting of 1710 well sites, 7 active production stations, 76 abandoned substations, 2 crude oil dehydration plants, and a gas processing plant distributed over an area of 190 square kilometers. Within the limited time available for the due diligence, the approach facilitated completion of the property transaction and allocation of reserves as escrows in project negotiations to the satisfaction of all parties involved.
For this due diligence effort, site inspections were conducted at a representative percentage of each type of oilfield facility to identify site conditions posing concern in terms of “primary risk factors” (human health or safety) or “secondary risk factors” (i.e., impacts on ecological resources, water resources, land use, or regulatory compliance issues). Observed conditions were then characterized according to the RBCA classification system to define the relative magnitude of the risk posed and the relative urgency of need for a response action. For each type of oilfield installation, these data comprised a “risk distribution,” defining the key risk drivers and the frequency of occurrence of higher risk (Class 1) vs. lower risk (Class 2, 3, or 4) conditions. These risk distributions were then used to predict the probability of encountering similar conditions within the balance of sites not inspected during the due diligence process, as well as to establish an overall schedule and budget for remedial actions (i.e., addressing high-priority conditions in the near-term and lower-priority conditions at a later time).