Decontamination of drill cuttings and other waste material

Kenneth Stuart Killham (Inventor), Graeme Iain Paton (Inventor)

Research output: Patent

Abstract

Drill cuttings (2) are delivered from a hopper (3) onto a conveyor belt (4) which moves in the direction of the arrow (A). Steam is passed under pressure from a steam nozzle (8) through the conveyor (4) and the drill cuttings carried thereon. The steam is generated in an oil fired boiler (9). Thereafter the drill cuttings are subjected to a bioremediation step. A C:N:P ratio of the drill cuttings is monitored at least one during the method and the ratio optionally altered to provide an optimum C:N:P ratio for microorganism activity. Steam treatment drives off mobile oil fractions in the drill cuttings and additionally conditions the waste material for the performance of either indigenous microorganisms or subsequently added innoculum.
Original languageEnglish
Patent numberWO2004013455 (A1)
Publication statusPublished - 12 Feb 2004

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microorganism
oil
bioremediation
material
decontamination
other waste
cutting (process)
boiler
method

Cite this

Killham, K. S., & Paton, G. I. (2004). Decontamination of drill cuttings and other waste material. (Patent No. WO2004013455 (A1)).

Decontamination of drill cuttings and other waste material. / Killham, Kenneth Stuart (Inventor); Paton, Graeme Iain (Inventor).

Patent No.: WO2004013455 (A1).

Research output: Patent

Killham, KS & Paton, GI 2004, Decontamination of drill cuttings and other waste material, Patent No. WO2004013455 (A1).
Killham KS, Paton GI, inventors. Decontamination of drill cuttings and other waste material. WO2004013455 (A1). 2004 Feb 12.
Killham, Kenneth Stuart (Inventor) ; Paton, Graeme Iain (Inventor). / Decontamination of drill cuttings and other waste material. Patent No.: WO2004013455 (A1).
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