featurea marcellus leader

We are committed to developing natural gas from shale in a responsible manner. In 2014, Chevron became the first company to achievevoluntary certificationbased on 15 environmental performance standards established by the Center for Responsible Shale Development (CRSD) from its third-party auditor, Bureau Veritas. We were recertified in October 2016.

Center for Responsible Shale Development

Certification is a result of several years’ worth of planning and advancing our operations. The steps we have taken include,

• Systematically conducting predrill and postdrill groundwater sampling to monitor groundwater quality throughout the life cycle of development.
• Developing an above-ground water storage tank that has enabled us to replace open, in-ground storage pits through our new well pad design and realize significant benefits, such as enhanced safety, reduced risk of a spill, a smaller footprint, less waste and a lower potential for impact on wildlife.

• Utilizing “green completions,” or reduced-emission completions, in our Marcellus operations to reduce greenhouse gas emissions during the initial production period. A green completion is the practice of capturing natural gas that otherwise would be flared or vented, particularly immediately after the fracturing process.
• Incorporating natural gas–powered drilling rigs into our rig fleet to lower carbon dioxide and particulate emissions.

• Recycling more than 90 percent of our brine water, which reduces the amount of fresh water consumed in our fracturing operations.
• Implementing a closed-loop drilling system that contains all drilling fluids in above-ground storage tanks on location, instead of in-ground, lined pits, which reduces land footprint, waste and potential for releases.

More information on our responsible operations in the Marcellus can be found in the reportChevron in Appalachia: Managing Performance, Measuring Results.