The Quest to Exclusive Use of Environmentally Responsible Fracturing Products and Systems
- Harold Dean Brannon (BJ Services Co USA) | Daniel J. Daulton (Baker Hughes - SSI) | Harold Gene Hudson (BJ Services Company) | Matthew Post (BJ Services) | Andrew Jordan (Baker Hughes)
- Document ID
- Society of Petroleum Engineers
- SPE Hydraulic Fracturing Technology Conference, 6-8 February, The Woodlands, Texas, USA
- Publication Date
- Document Type
- Conference Paper
- 2012. Society of Petroleum Engineers
- 2.2.2 Perforating, 6.5.2 Water use, produced water discharge and disposal, 4.2.3 Materials and Corrosion, 4.3.3 Aspaltenes, 2.5.2 Fracturing Materials (Fluids, Proppant), 7.2.1 Risk, Uncertainty and Risk Assessment, 4.1.2 Separation and Treating, 3 Production and Well Operations, 3.2.3 Hydraulic Fracturing Design, Implementation and Optimisation, 5.8.3 Coal Seam Gas, 4.3.4 Scale, 5.1.1 Exploration, Development, Structural Geology
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Hydraulic fracturing processes have recently been the subject of increasing scrutiny with particular concern directed towards protection of water resources. Operators and fracturing services companies in the United States have been targeted by both federal and state legislators and the EPA with audits, inquiries, and regulations requiring disclosure of the chemicals pumped in fracturing treatments and banning the use of certain chemistries, such as diesel oil. Much effort has been expended to identify alternative, more environmentally acceptable products which maintain the needed material performance characteristics and cost basis.
A new quantitative process based upon the Globally Harmonized System for Classification and Labeling of Chemicals (GHS) has been employed to evaluate and rank the hazards posed by various treating fluid additives and potential alternatives. The GHS is a process is which has been adopted by the United Nations to standardize information regarding the hazards and toxicities of chemicals. Once the respective material hazards have been quantified, they may be ranked for comparison with like purposed additives for their anticipated safety, health, and environmental impact. The best candidates by that measure may then be assessed for performance and cost. The process has become a valuable tool to guide fracturing R&D and oilfield chemical suppliers toward development of more
environmentally acceptable products and systems.
The progress towards the objective of full implementation of environmentally acceptable chemistries in fracturing applications is documented. Working examples of the more acceptable chemical additive selections resulting from the applications of the hazard assessment process are provided. Furthermore, the migration to more environmentally responsible fracturing processes through quantification of hazardous risk "removed" from applications by replacement with more favorable alternatives is discussed.
The fruits of the process will be discussed in this endeavor, providing working examples of the chemical additive selection. Furthermore, the progress to more environmentally responsible fracturing processes through quantification of hazardous risk ‘removed' from applications, i.e. amount of hazardous material removed by replacement with more favorable alternatives.
|File Size||493 KB||Number of Pages||13|