RECLAMATION OF COMPONENTS OF WELLBORE CUTTINGS MATERIAL
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Abstract
The present disclosure is generally directed to systems that are used for reclaiming components of wellbore cuttings material. In one illustrative embodiment, a system is disclosed that includes, among other things, a dryer that is adapted to receive a drill cuttings mixture that includes drilling fluid and cuttings material, the dryer being further adapted to treat the drill cuttings mixture by drying the cuttings material below a preselected moisture content level. The system also includes a moisture sensor that is adapted to sense a moisture content of the cuttings material after it is dried by the dryer, and a cuttings reinjection system that is adapted to reinject the dried cuttings material into a well bore. Additionally, the system includes a conveyor system that is adapted to convey the dried cuttings material to the cuttings reinjection system, wherein the conveyor system includes, among other things, a positive pressure pneumatic conveying apparatus.
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Citations
35 Claims
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1-14. -14. (canceled)
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15. A system, comprising:
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a dryer that is adapted to receive a drill cuttings mixture comprising drilling fluid and cuttings material, said dryer being further adapted to treat said drill cuttings mixture by drying said cuttings material below a preselected moisture content level; a moisture sensor that is adapted to sense a moisture content of said cuttings material after said cuttings material is dried by said dryer; a cuttings reinjection system that is adapted to reinject said cuttings material dried by said dryer into a well bore; and a conveyor system that is adapted to convey said cuttings material dried by said dryer to said cuttings reinjection system, said conveyor system comprising a positive pressure pneumatic conveying apparatus. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A system, comprising:
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a dryer that is adapted to receive a drill cuttings mixture comprising drilling fluid and cuttings material, said dryer being further adapted to treat said drill cuttings mixture by drying said cuttings material below a preselected moisture content level and producing a drilling fluid mixture comprising some solids material from said drill cuttings mixture; a moisture sensor that is adapted to sense a moisture content of said cuttings material dried by said dryer; a cuttings reinjection system that is adapted to reinject said cuttings material dried by said dryer into a well bore; a conveyor system comprising a reversible conveyor and a positive pressure pneumatic conveying apparatus that is adapted to convey said cuttings material dried by said dryer from said reversible conveyor to said cuttings reinjection system; a holding system that is adapted to receive a flow of said drilling fluid mixture from said dryer; and a centrifuge that is adapted to receive a flow of said drilling fluid mixture from said holding system and to produce centrifuged solids and centrifuged drilling fluid. - View Dependent Claims (35)
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Specification