IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0049353
(2011-03-16)
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등록번호 |
US-8276686
(2012-10-02)
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발명자
/ 주소 |
|
출원인 / 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
6 |
초록
▼
A vacuum assisted drill cuttings dryer and handling apparatus has a vacuum tank and an associated vacuum pump and motor configured for use with a high speed centrifugal dryer. Cuttings are drawn from the shaker of a drilling rig into the centrifugal dryer by means of a vacuum created in the centrifu
A vacuum assisted drill cuttings dryer and handling apparatus has a vacuum tank and an associated vacuum pump and motor configured for use with a high speed centrifugal dryer. Cuttings are drawn from the shaker of a drilling rig into the centrifugal dryer by means of a vacuum created in the centrifugal dryer by the vacuum tank and an associated vacuum pump and motor. The dryer is provided with sealable exit doors that may be opened and closed in sequence to allow removal of the cuttings even as cuttings are drawn in to the centrifugal dryer. A fluids collection chamber in communication with vacuum lines between the vacuum tank and centrifugal dryer collects fluids drawn from the centrifugal dryer.
대표청구항
▼
1. A drill cuttings handling and dryer apparatus comprising: (a) a vacuum tank, said vacuum tank having an associated vacuum pump and motor;(b) a centrifugal dryer, said centrifugal dryer having a screened centrifugal drying chamber, a cuttings inlet suction port in communication with said drying ch
1. A drill cuttings handling and dryer apparatus comprising: (a) a vacuum tank, said vacuum tank having an associated vacuum pump and motor;(b) a centrifugal dryer, said centrifugal dryer having a screened centrifugal drying chamber, a cuttings inlet suction port in communication with said drying chamber, a dryer vacuum port; and a cuttings exit port;(c) a vacuum line extending from said vacuum tank to said dryer vacuum port of said centrifugal dryer;(d) a suction line in communication with said cuttings inlet suction port;(e) a first cuttings collection chamber integrally connected to said cuttings exit port of said centrifugal dryer;(f) a first airtight cuttings exit door; and(g) a first cuttings dump valve whereby said first airtight cuttings exit door is opened and closed. 2. The apparatus as recited in claim 1, further comprising: (a) a second cuttings collection chamber integrally connected to said first cuttings collection chamber at said first airtight cuttings exit door, said second cuttings collection chamber having a second airtight cuttings exit door; and(b) a second cuttings dump valve whereby said second airtight cuttings exit door is opened and closed. 3. The apparatus as recited in claim 2, further comprising: (a) a fluids collection chamber having first and second vacuum ports and an airtight fluids exit port, said fluids collection chamber positioned between said vacuum tank and said centrifugal dryer whereby said vacuum line extends from said vacuum port of said centrifugal dryer to said first vacuum port in said fluids collection chamber and from said second vacuum port in said fluids collection chamber to said vacuum tank; and(b) a fluids dump valve for opening and closing said fluids exit port. 4. The apparatus as recited in claim 3, further comprising a fluids discharge line in communication with said fluids exit port. 5. The apparatus as recited in claim 4, wherein said suction line in communication with said cuttings inlet suction port extends to a cuttings collection trough at a shaker of a drilling rig. 6. The apparatus as recited in claim 5, further comprising a vacuum relief valve positioned on said vacuum tank, said vacuum relief valve in communication with vacuum control port in said vacuum tank. 7. The apparatus as recited in claim 6, further comprising a control panel, said control panel receiving and generating control signals to and from said vacuum relief valve, said fluids dump valve, and said first and second cuttings dump valves. 8. The apparatus as recited in claim 7, wherein pressure monitors are positioned in said vacuum tank, said fluids collection tank, and said centrifugal dryer, said pressure monitors generating pressure signals to said control panel. 9. A drill cuttings handling and dryer apparatus comprising: (a) a vacuum tank, said vacuum tank having an associated vacuum pump and motor;(b) a centrifugal dryer, said centrifugal dryer having a screened centrifugal drying chamber, a cuttings inlet suction port in communication with said drying chamber, a dryer vacuum port; and a cuttings exit port;(c) a fluids collection chamber, said fluids collection chamber having a fluids exit port and an airtight fluids dump valve in communication with said fluids exit port;(d) a vacuum line extending from said vacuum tank to said fluids collection chamber;(e) a vacuum line extending from said fluids collection chamber to said dryer vacuum port of said centrifugal dryer;(f) a suction line in communication with said cuttings inlet suction port; and(g) a plurality of interconnected cuttings collection chambers all in communication with said cuttings exit port of said centrifugal dryer, each of said cuttings collection chambers having an airtight cuttings dump valve. 10. The apparatus as recited in claim 9, further comprising: (a) a vacuum relief valve positioned on said vacuum tank, said vacuum relief valve in communication with vacuum control port in said vacuum tank; and(b) a control panel, said control panel receiving and generating control signals to and from said vacuum relief valve, said fluids dump valve, and said plurality of cuttings dump valves. 11. The apparatus as recited in claim 10, wherein pressure monitors are positioned in said vacuum tank, said fluids collection tank, and said centrifugal dryer, said pressure monitors generating pressure signals to said control panel. 12. The apparatus as recited in claim 9, wherein said suction line in communication with said cuttings inlet suction port extends to a cuttings collection trough at the shaker of a drilling rig. 13. A method of handling and drying drill cuttings comprising the steps of: (a) providing a drying apparatus, said drying apparatus comprising (i) a vacuum tank, said vacuum tank having an associated vacuum pump and motor; (ii) a centrifugal dryer, said centrifugal dryer having a screened centrifugal drying chamber, a cuttings inlet suction port in communication with said drying chamber, a dryer vacuum port; and a cuttings exit port; (iii) a fluids collection chamber, said fluids collection chamber having a fluids exit port and an airtight fluids dump valve in communication with said fluids exit port; (iv) a vacuum line extending from said vacuum tank to said fluids collection chamber; (v) a vacuum line extending from said fluids collection chamber to said dryer vacuum port of said centrifugal dryer; (vi) a suction line in communication with said cuttings inlet suction port; and (vii) a plurality of interconnected cuttings collection chambers all in communication with said cuttings exit port of said centrifugal dryer, each of said cuttings collection chambers having an airtight cuttings dump valve;(b) extending said suction line of said drying apparatus to a cuttings collection trough at the shaker of a drilling rig;(c) creating a vacuum in said vacuum tank of said drying apparatus whereby drill cuttings from said cuttings collection trough are drawn through said suction line into said screened centrifugal drying chamber whereby fluids are drawn from said drill cuttings in said drying chamber;(d) transporting said fluids drawn from said drillings cuttings through said vacuum line extending from said dryer vacuum port of said centrifugal dryer to said fluids collection chamber; and(e) moving said drill cuttings through said plurality of interconnected cuttings collection chambers by opening and closing said airtight cuttings dump valves. 14. The method as recited in claim 13, comprising the additional steps of: (a) providing a vacuum relief valve positioned on said vacuum tank, said vacuum relief valve in communication with vacuum control port in said vacuum tank;(b) providing a control panel, said control panel receiving and generating control signals to and from said vacuum relief valve, said fluids dump valve, and said plurality of cuttings dump valves;(c) controlling the flow of cuttings into said drying apparatus by generating opening and closing signals from said control panel to said vacuum relief valve;(d) controlling the removal of fluids from said fluids collection chamber by generating opening and closing signals from said control panel to said fluids dump valve; and(e) controlling the flow and removal of cuttings from said centrifugal dryer by generating opening and closing signals from said control panel to said plurality of cuttings dump valves. 15. The method as recited in claim 14, wherein said cuttings dump valves are opened and closed in a sequence to allow removal of said cuttings from said cuttings collection chambers whereby a vacuum is maintained in said centrifugal dryer so as to allow cuttings to be drawn into said centrifugal dryer through said suction line.
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