Boring or penetrating the earth – With above-ground means for preparing or separating drilling...
Patent
1983-06-27
1984-11-27
Leppink, James A.
Boring or penetrating the earth
With above-ground means for preparing or separating drilling...
175210, 210539, 55219, 55342, E21B 2106
Patent
active
044846436
ABSTRACT:
A gas-liquid-solids separation system for use with a drilling device includes a surge tank for holding drilling efflux comprising gas, liquid and solids, and adapted for mounting on a drilling device in a position for having a drill shaft extending therethrough. A stuffing box attached to a back side of the surge tank means and configured for enabling passage of the drill shaft therethrough prevents the drilling efflux from escaping the surge tank. A flange attached to the front side of the surge tank and aligned with the stuffing box for allowing passage of the drill shaft therethrough provides a seal between the surge tank and a borehole casing to enable the drilling efflux to flow into the surge tank means. An agitator disposed within the surge tank maintains suspension of the solids within the liquid, and a gas cyclone in fluid communication with the surge tank withdraws gas from the surge tank and separates any entrained liquid therefrom. The liquid and solids suspended therein are transferred to a slurry cyclone for separation and thereafter the liquid is stored in a tank for subsequent reuse as a cutting fluid.
REFERENCES:
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patent: 3268017 (1966-08-01), Yarbrough
patent: 3417830 (1968-12-01), Nichols
patent: 3842461 (1974-10-01), Wurster
patent: 4250974 (1981-02-01), Heilhecker et al.
patent: 4355652 (1982-10-01), Perkins
Brest van Kempen Carel J. H.
Davidson Amber C.
Mahyera Anil
Sweet Robert M.
Bui Thuy M.
Leppink James A.
Methane Drainage Ventures
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