IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0169484
(2001-10-19)
|
국제출원번호 |
PCT/GB01/04667
(2002-09-16)
|
§371/§102 date |
20020916
(20020916)
|
국제공개번호 |
WO02/40186
(2002-05-23)
|
발명자
/ 주소 |
- Schulte, David L.
- Gridhar, Charles N.
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
18 인용 특허 :
44 |
초록
▼
A shale shaker for separating material, said shale shaker comprising a basket (100) for supporting a screen assembly and a collection receptacle, the basket comprising two side walls (102), an end wall (103) and an opening in the bottom of said basket (100), said basket (100) having means (109,110)
A shale shaker for separating material, said shale shaker comprising a basket (100) for supporting a screen assembly and a collection receptacle, the basket comprising two side walls (102), an end wall (103) and an opening in the bottom of said basket (100), said basket (100) having means (109,110) to support screen assemblies for substantially covering said opening characterized in that said basket (100) further comprises separating means (104,105,106)in or on any of said walls (102,103) for separating material. Preferably, further comprising directing means for directing separated material therefrom into said collection receptacle. The invention also provides a method for separating material using the shale shaker of the invention, a basket of the shale shaker of the invention and screen assemblies used in the shale shaker of the invention.
대표청구항
▼
1. A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket comprisingtwo opposed spaced-apart side walls having first ends and second ends, the first
1. A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket comprisingtwo opposed spaced-apart side walls having first ends and second ends, the first ends spaced-apart by an end wall connected to each of the side walls, a basket bottom opening between the two spaced-apart side walls, at least one end opening through the end wall, at least one end screen over the at least one end opening, at least one basket screen over the basket bottom opening, and the at least one end screen and the at least one basket screen for separating a component from the material, material flowing through the at least one basket screen not flowing through the at least one end screen, the separated component flowing into the collection receptacle. 2. The screen mounting basket of claim 1 wherein the basket has at least one side opening in one of the two spaced-apart sides and at least one side basket screen is mounted over the at least one side opening for separating a component from the material.3. The screen mounting basket of claim 1 wherein the at least one basket screen is a two-dimensional screen.4. The screen mounting basket of claim 1 wherein the at least one basket screen is a three-dimensional screen.5. The screen mounting basket of claim 1 wherein the at least one end screen is within the basket.6. The screen mounting basket of claim 1 wherein the at least one end screen is releasably secured to the basket.7. The screen mounting basket of claim 1 wherein the at least one side basket screen is within the basket.8. The screen mounting basket of claim 1 wherein the at least one side basket screen is releasably secured to the basket.9. The screen mounting basket of claim 1 wherein the at least one end screen is a plurality of end screens adjacent each other end-to-end over the at least one end opening.10. The screen mounting basket of claim 1 wherein the at least one end screen is a plurality of end screens positioned vertically adjacent and parallel to each other over the at least one end opening.11. The screen mounting basket of claim 1 wherein the at least one basket screen is a plurality of basket screens adjacent each other end-to-end over the basket bottom opening.12. The screen mounting basket of claim 1 wherein the at least basket screen is a plurality of basket screens positioned vertically adjacent and parallel to each other over the basket bottom opening.13. The screen mounting basket of claim 1 wherein the at least one end screen opening is plurality of adjacent end openings and the at least one end screen is a plurality of end screens each over an opening of the plurality of end openings.14. The screen mounting basket of claim 1 wherein the at least one side basket opening is plurality of side basket openings and the at least one side basket screen is a plurality of side basket screens each over an opening of the plurality of side basket openings.15. The screen mounting basket of claim 1 wherein the material introduced to the basket is drilling fluid with undesirable material therein and the separated component is drilling fluid.16. The screen mounting basket of claim 1 wherein the at least one end screen has a support with a plurality of openings therethrough suitable for the flow of fluid therethrough, the fluid from the material introduced into the basket, and the at least one end screen having a plurality of fluid conducting channels therein at an angle to the plurality of openings so that fluid flowing into one of the plurality of openings may then flow into one of the plurality of fluid conducting channels and out openings may then flow into one of the plurality of fluid conducting channels and out from the support.17. The screen mounting basket of claim 16 wherein the support is a frame and the plurality of fluid conducting channels is a plurality of holes in part of the frame.18. The screen mounting basket of claim 16 wherein the support is a perforated plate, the plurality of openings is a plurality of openings through the perforated plate, and the plurality of fluid conducting channels is a plurality of holes through the perforated plate.19. The screen mounting basket of claim 16 further comprisingthe basket having a fluid introduction end, and a plate mounted in the basket at the fluid introduction end. 20. The screen mounting basket of claim 19 wherein the plate mounted in the basket at the fluid introduction end having a series of holes therethrough for fluid component separation.21. A screen apparatus for a vibratory separator, the vibratory separator having a basket, the vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the screen apparatus comprisingscreening material, a support, the screening material on the support, the support having a plurality of openings therethrough suitable for the flow of fluid therethrough, the fluid from the material introduced into the basket, the support having a plurality of fluid conducting channels therein at an angle to the plurality of openings so that fluid flowing into one of the plurality of openings may then flow into one of the plurality of fluid conducting channels and out from the support into the receptacle, and wherein the material introduced into the basket is drilling fluid with undesirable material therein and the screen apparatus is for separating drilling fluid from the material. 22. The screen apparatus of claim 21 wherein the plurality of fluid conducting channels comprises a plurality of grooves in a surface of the support, each groove intersecting openings of the plurality of openings in the support.23. The screen apparatus of claim 21 wherein the support is a frame and the plurality of fluid conducting channels is a plurality of holes in part of the frame.24. The screen apparatus of claim 21 wherein the support is a perforated plate, the plurality of openings is a plurality of openings through the perforated plate, and the plurality of fluid conducting channels is a plurality of holes through the perforated plate.25. A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket comprisingtwo opposed spaced-apart side walls having first ends and second ends, the first ends spaced-apart by an end wall connected to each of the side walls, a basket bottom opening between the two spaced-apart side walls, at least one side basket opening through one of the two spaced-apart side walls, at least one side basket screen over the at least one side basket opening, at least one basket screen over the basket bottom opening, and the at least one side basket screen and the at least one basket screen for separating a component from the material, component material separated by the at least one side basket screen not flowing through the at least one basket screen, the separated component material flowing into the collection receptacle. 26. A vibratory separator system for separating components from a liquid-solid mixture fed to the vibratory separator system, the vibratory separator system comprisinga frame, a screen mounting basket on the frame, vibrating apparatus connected to the screen mounting basket for vibrating the screen mounting basket, the screen mounting basket comprising two opposed spaced-apart side walls having first ends and second ends, the first ends spaced-apart by an end wall connected to each of the side walls, a basket bottom opening between the two spaced-apart side walls, basket bottom screening apparatus at the basket bottom opening, at least one basket aperture not through the basket bottom, at least one aperture screen over the at least one basket aperture, and the at least one aperture screen and the bottom screening apparatus for separating a component material from the material introduced into the basket, material flowing through the at least one aperture screen not flowing through the bottom screening apparatus, the separated component material flowing into the collection receptacle, and wherein the liquid-solid mixture is drilling fluid with undesirable material therein and the component separated by the at least one aperture screen is drilling fluid. 27. A method for reducing the weight of material on the bottom screening apparatus of a vibratory separator, the vibratory separator having a screen mounting basket into which the material is introduced, the vibratory separator including a collection receptacle beneath the basket, the basket comprising a plurality of interconnected walls, a basket bottom opening between the walls, basket bottom screening apparatus at the basket bottom opening, at least one basket aperture through one of the walls and not through the basket bottom, at least one aperture screen over the at least one basket aperture, and the at least one aperture screen and the bottom screening apparatus for separating a component material from the material introduced into the basket, the separated component material flowing into the collection receptacle, the method comprisingintroducing the material into the basket, flowing part of the material through the at least one aperture screen, said part flowing into the receptacle without passing through the bottom screening apparatus. 28. The method of claim 27 wherein the screen mounting basket has a fluid introduction end, and a plate mounted in the basket at the fluid introduction end, the method further comprisingflowing material introduced into the basket onto the plate. 29. The method of claim 28 wherein the plate mounted in the basket at the fluid introduction end has a series of holes therethrough for fluid component separation.
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