Or. Admin. R. 690-220-0140
Concrete or cement grout used as a sealing material in abandonment operations shall be introduced at the bottom of the well or required sealing interval and placed progressively upward to the top of the well. All such sealing materials shall be placed by the use of a grout pipe or by dump bailer in order to avoid segregation or dilution of the sealing materials.
ORS 183, 536, 537 & 540
ORS 183, 536, 537 & 540
WRD 7-2001, f. & cert. ef. 11-15-01
WRD 13-1986, f. 10-7-86, cert. ef. 11-1-86, Renumbered from 690-063-0040
WRD 9-1978, f. 12-12-78, cert. ef. 1-1-79
WRD 3, f. & cert. ef. 2-18-77