Methane emissions from abandoned oil and gas wells in Colorado.

Autor: Riddick SN; The Energy Institute, Colorado State University, CO, USA. Electronic address: sriddick@princeton.edu., Mbua M; The Energy Institute, Colorado State University, CO, USA., Santos A; The Energy Institute, Colorado State University, CO, USA., Emerson EW; The Energy Institute, Colorado State University, CO, USA., Cheptonui F; The Energy Institute, Colorado State University, CO, USA., Houlihan C; The Energy Institute, Colorado State University, CO, USA., Hodshire AL; The Energy Institute, Colorado State University, CO, USA., Anand A; The Energy Institute, Colorado State University, CO, USA., Hartzell W; The Energy Institute, Colorado State University, CO, USA., Zimmerle DJ; The Energy Institute, Colorado State University, CO, USA.

Publikováno v: The Science of the total environment [Sci Total Environ] 2024 Apr 20; Vol. 922, pp. 170990. Date of Electronic Publication: 2024 Feb 16.

Estimating the Below-Ground Leak Rate of a Natural Gas Pipeline Using Above-Ground Downwind Measurements: The ESCAPE ^-1 Model.

Autor: Cheptonui F; Department of Systems Engineering, Colorado State University, Fort Collins, CO 80523, USA.; Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Riddick SN; Department of Systems Engineering, Colorado State University, Fort Collins, CO 80523, USA.; Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Hodshire AL; Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Mbua M; Department of Systems Engineering, Colorado State University, Fort Collins, CO 80523, USA.; Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Smits KM; Department of Civil and Environmental Engineering, Southern Methodist University, Dallas, TX 75205, USA., Zimmerle DJ; Energy Institute, Colorado State University, Fort Collins, CO 80524, USA.

Publikováno v: Sensors (Basel, Switzerland) [Sensors (Basel)] 2023 Oct 12; Vol. 23 (20). Date of Electronic Publication: 2023 Oct 12.

Estimating Regional Methane Emission Factors from Energy and Agricultural Sector Sources Using a Portable Measurement System: Case Study of the Denver-Julesburg Basin.

Autor: Riddick SN; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Cheptonui F; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Yuan K; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA.; Cranfield Environment Centre, Cranfield University, Cranfield MK43 0AL, UK., Mbua M; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Day R; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Vaughn TL; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Duggan A; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Bennett KE; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA., Zimmerle DJ; The Energy Institute, Colorado State University, Fort Collins, CO 80524, USA.

Publikováno v: Sensors (Basel, Switzerland) [Sensors (Basel)] 2022 Sep 29; Vol. 22 (19). Date of Electronic Publication: 2022 Sep 29.

Temporal variability largely explains top-down/bottom-up difference in methane emission estimates from a natural gas production region.

Autor: Vaughn TL; Energy Institute, Colorado State University, Fort Collins, CO 80524; tim.vaughn@colostate.edu dan.zimmerle@colostate.edu.; Department of Mechanical Engineering, Colorado State University,Fort Collins, CO 80524., Bell CS; Energy Institute, Colorado State University, Fort Collins, CO 80524.; Department of Mechanical Engineering, Colorado State University,Fort Collins, CO 80524., Pickering CK; Energy Institute, Colorado State University, Fort Collins, CO 80524.; Department of Mechanical Engineering, Colorado State University,Fort Collins, CO 80524., Schwietzke S; Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO 80309.; Global Monitoring Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305., Heath GA; Strategic Energy Analysis Center, National Renewable Energy Laboratory, Golden, CO 80401.; Joint Institute for Strategic Energy Analysis, Golden, CO 80401., Pétron G; Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO 80309.; Global Monitoring Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305., Zimmerle DJ; Energy Institute, Colorado State University, Fort Collins, CO 80524; tim.vaughn@colostate.edu dan.zimmerle@colostate.edu.; Department of Mechanical Engineering, Colorado State University,Fort Collins, CO 80524., Schnell RC; Global Monitoring Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305., Nummedal D; Colorado Energy Research Institute, Colorado School of Mines, Golden, CO 80401.

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2018 Nov 13; Vol. 115 (46), pp. 11712-11717. Date of Electronic Publication: 2018 Oct 29.

Reconciling divergent estimates of oil and gas methane emissions.

Autor: Zavala-Araiza D; Environmental Defense Fund, Austin, TX 78701;, Lyon DR; Environmental Defense Fund, Austin, TX 78701;, Alvarez RA; Environmental Defense Fund, Austin, TX 78701;, Davis KJ; Carbon Now Cast, LLC, State College, PA 16802;, Harriss R; Environmental Defense Fund, Austin, TX 78701;, Herndon SC; Aerodyne Research, Inc., Billerica, MA 01821;, Karion A; Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309; Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305;, Kort EA; Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI 48109;, Lamb BK; Department of Civil and Environmental Engineering, Washington State University, Pullman, WA 99163;, Lan X; Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX 77004;, Marchese AJ; Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523;, Pacala SW; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544; pacala@princeton.edu shamburg@edf.org., Robinson AL; Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213;, Shepson PB; Department of Chemistry, Purdue University, West Lafayette, IN 47907;, Sweeney C; Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309; Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305;, Talbot R; Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX 77004;, Townsend-Small A; Department of Geology, University of Cincinnati, Cincinnati, OH 45221., Yacovitch TI; Aerodyne Research, Inc., Billerica, MA 01821;, Zimmerle DJ; Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523;, Hamburg SP; Environmental Defense Fund, Austin, TX 78701; pacala@princeton.edu shamburg@edf.org.

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2015 Dec 22; Vol. 112 (51), pp. 15597-602. Date of Electronic Publication: 2015 Dec 07.