Drill cuttings disposal method and system
Patent
·
OSTI ID:5151649
This patent describes a system for producing a slurry of finely ground drill cuttings and a carrier liquid suitable for injection into an earth formation and the like and wherein the drill cuttings are produced during drilling operations from a drill cuttings/drilling fluids separation means. It comprises: receiving means for receiving a quantity of the drill cuttings; means for conducting the drill cuttings to the receiving means; means for conducting the carrier liquid to the receiving means; conduit means in communication with the receiving means for discharging a mixture of the drill cuttings and the carrier liquid from the receiving means; and a centrifugal pump connected to the receiving means for reducing the particle size of the drill cuttings so that a slurry of the drill cuttings and the carrier liquid may be prepared for injection into the space. A method for disposing of solids particles including earth particles into an earth formation comprising the steps of; providing a wellbore penetrating the earth formation and forming with the earth formation a space for receiving a slurry of the solids particles and a carrier liquid; providing a system for generating a slurry formed of the solids particles and the carrier liquid, mixing the solids particles with the carrier liquid; reducing the particle size of the solids particles by shearing action on the solids particles to form a viscous fluid comprising the slurry; and conducting the slurry to the injection pump and injecting the slurry into the space.
- Assignee:
- Atlantic Richfield Co., Los Angeles, CA (United States)
- Patent Number(s):
- A; US 5109933
- Application Number:
- PPN: US 7-569351
- OSTI ID:
- 5151649
- Country of Publication:
- United States
- Language:
- English
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