Microseismic Monitoring of the Mounds Drill Cuttings Injection Tests

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This paper describes the microseismic mapping of repeated injections of drill cuttings into two separate formations at a test site near Mounds, OK. Injections were performed in sandstone and shale formations at depths of 830 and 595 m, respectively. Typical injection disposal was simulated using multiple small-volume injections over a three-day period, with long shut-in periods interspersed between the injections. Microseismic monitoring was achieved using a 5-level array of wireline-run, triaxial- accelerometer receivers in a monitor well 76 m from the disposed well. Results of the mapped microseismic locations showed that the disposal domti W= generally aligns with the major ... continued below

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Branagan, P.T.; Mahrer, K.D.; Moschovidis, Z.A.; Warpinski, N.R. & Wolhart, S.L. January 25, 1999.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Laboratories, Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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Description

This paper describes the microseismic mapping of repeated injections of drill cuttings into two separate formations at a test site near Mounds, OK. Injections were performed in sandstone and shale formations at depths of 830 and 595 m, respectively. Typical injection disposal was simulated using multiple small-volume injections over a three-day period, with long shut-in periods interspersed between the injections. Microseismic monitoring was achieved using a 5-level array of wireline-run, triaxial- accelerometer receivers in a monitor well 76 m from the disposed well. Results of the mapped microseismic locations showed that the disposal domti W= generally aligns with the major horizontal stress with some variations in azimuth and that wide variations in height and length growth occurred with continued injections. These experiments show that the cuttings injection process cm be adequately monitored from a downhole, wireline-run receiver array, thus providing process control and environmental assurance.

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  • 37th U.S. Rock Mechanics Symposium - Rock Mechanics for Industry; Vial, CO; 06/06-09/1999

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  • Other: DE00003293
  • Report No.: SAND99-0220C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 3293
  • Archival Resource Key: ark:/67531/metadc680164

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 25, 1999

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 9, 2016, 8:12 p.m.

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Branagan, P.T.; Mahrer, K.D.; Moschovidis, Z.A.; Warpinski, N.R. & Wolhart, S.L. Microseismic Monitoring of the Mounds Drill Cuttings Injection Tests, article, January 25, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc680164/: accessed April 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.