B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
B09B 5/00 (2006.01) B09B 1/00 (2006.01)
Patent
CA 2185259
The invention is an apparatus and method for injection of wastes in slurry form within an underground formation. The method consists of: identifying a suitable target stratum; calculating the approximate total available storage volume of the target strata; injecting a slurry of waste materials into a well in a series of injection episodes separated by interinjection periods; measuring the well bottom pressure of the slurried wastes during each injection episode and interinjection period; and terminating the injection process when the target strata is saturated with slurried wastes. An injection episode is terminated when the well bottom pressure begins to climb substantially above the steady state level, and an interinjection period is terminated when the well-bottom pressure drops below a fixed level. Surface uplift indicators, microseismic measuring and well-bottom pressure within monitoring wells may be used to assess the distribution and movement of embedded solids both during and after the injection process. The apparatus comprises means to produce and inject an appropriate slurry and monitor the entombed slurry during and after the injection process.
Bilak Roman A.
Dusseault Maurice B.
Rothenburg Leonard
Bilak Roman A.
Dusseault Maurice B.
Ridout & Maybee Llp
Rothenburg Leonard
Terralog Technologies Inc.
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