dual completion well

dual completion well

[¦dü·əl kəm¦plē·shən ′wel]
(petroleum engineering)
Single well casing containing two production tubing strings, each in a different zone of the reservoir (one higher, one lower) and each separately controlled.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.