A downhole system useable for downhole operations that includes a work string comprising a downhole end; a setting sleeve coupled with the downhole end; and a downhole tool engaged with the setting sleeve during run-in. The setting sleeve has an outer sleeve surface having an at least one channel di
A downhole system useable for downhole operations that includes a work string comprising a downhole end; a setting sleeve coupled with the downhole end; and a downhole tool engaged with the setting sleeve during run-in. The setting sleeve has an outer sleeve surface having an at least one channel disposed therein. The downhole tool includes a mandrel made of a composite material.
대표청구항▼
1. A downhole system useable for downhole operations, the downhole system comprising: a work string comprising a downhole end;a setting sleeve coupled with the downhole end; anda downhole tool engaged with the setting sleeve during run-in, and also releasably connected with the workstring, the downh
1. A downhole system useable for downhole operations, the downhole system comprising: a work string comprising a downhole end;a setting sleeve coupled with the downhole end; anda downhole tool engaged with the setting sleeve during run-in, and also releasably connected with the workstring, the downhole tool further comprising: a mandrel made of a composite material, the mandrel further comprising: a distal end; and a proximate end;a bearing plate disposed around the mandrel;a first slip disposed around the mandrel proximate to the distal end;a second slip disposed around the mandrel proximate to the proximate end;a first cone disposed around the mandrel, and proximate to the second slip;a sealing element disposed around the mandrel, and between the first slip and the second slip; anda lower sleeve coupled to the mandrel, and proximate to a second side of the first slip;wherein the setting sleeve comprises an outer sleeve surface having an at least one channel disposed therein. 2. The downhole system of claim 1, wherein at least one of the first slip and the second slip comprises a one-piece configuration, and wherein the at least one channel is configured for reducing hydraulic drag. 3. The downhole system of claim 1, wherein the at least one channel is linear in shape and length, and further comprises a rounded cross-section. 4. The downhole system of claim 1, wherein the setting sleeve comprises a plurality of linear channels disposed in the outer sleeve surface of the setting sleeve, and wherein the downhole tool further comprises composite member made of a first material, and the composite member having a top, and a bottom, wherein at least one groove is formed between about the bottom to about the top. 5. The downhole system of claim 1, wherein the setting sleeve comprises three groups of channels disposed in the outer surface of the setting sleeve, and wherein each group comprises between about 1 and 3 channels each. 6. The downhole system of claim 5, wherein the cross-sectional shape of the at least one channel is rounded. 7. The downhole system of claim 1, wherein the at least one channel is non-linear in length and shape. 8. The downhole system of claim 1, wherein the first slip comprises a metal slip, the metal slip further comprising: a slip body comprising a one-piece configuration;an outer surface comprising columns of serrated teeth; andan inner surface;wherein the metal slip is made from cast iron, and wherein the slip body comprises a plurality of longitudinal holes formed therein. 9. The downhole system of claim 1, wherein the mandrel comprises rounded threads at the distal end, and shear threads at the proximate end. 10. A method of setting a downhole tool, the method comprising: connecting the downhole tool to a downhole end of a workstring, the downhole tool further comprising: a mandrel;a bearing plate disposed around the mandrel;a first slip disposed around the mandrel;a second slip disposed around the mandrel;a first cone disposed around the mandrel;a sealing element disposed around the mandrel, and between the first slip and the second slip; anda lower sleeve coupled to the mandrel;running the workstring into a wellbore until the downhole tool reaches a desired position;placing the mandrel under a tensile load sufficient to cause setting of the downhole tool;providing additional force to cause disconnect between the workstring and the downhole tool; andremoving the workstring from the wellbore,wherein after the connecting the downhole tool to the downhole end is completed, the downhole tool is engaged with a setting sleeve, and wherein the setting sleeve comprises an outer sleeve surface having an at least one channel disposed therein. 11. The method of claim 10, wherein the mandrel further comprises: a distal end; a proximate end; and an outer mandrel surface, and wherein at the proximate end the outer mandrel surface comprises rounded threads. 12. The method of claim 10, wherein at least one of the first slip and the second slip comprises a one-piece configuration, and wherein the at least one channel is configured for reducing hydraulic drag. 13. The method of claim 12, wherein the at least one channel is linear in shape and length, and further comprises a rounded cross-section. 14. The method of claim 10, wherein the at least one channel is linear in shape and length, and further comprises a rounded cross-section. 15. The method of claim 10, wherein the setting sleeve comprises a plurality of linear channels disposed in the outer sleeve surface of the setting sleeve, and wherein the downhole tool further comprises composite member made of a first material, the composite member having a top, and a bottom, and wherein at least one groove is formed between about the bottom to about the top. 16. The method of claim 10, the method further comprising injecting a fluid from a surface equipment into the wellbore, and subsequently into at least a portion of subterranean formation in proximate vicinity to the wellbore. 17. The method of claim 16, wherein a first section of the wellbore is above the downhole tool, and a second section of the wellbore is below the tool, and wherein after setting the downhole tool fluid communication between the second section and the first section is controlled by the downhole tool. 18. The method of claim 10, the method further comprising: after removing the workstring from the wellbore, connecting a second downhole tool onto the downhole end of the workstring;running the workstring into the wellbore until the second downhole tool reaches a second desired location;setting the second downhole tool; andat some point after setting the setting the second downhole tool, performing a fracing operation. 19. The method of claim 18, the method further comprising drilling through the downhole tool and the second downhole tool. 20. A method of setting a downhole tool, the method comprising: connecting the downhole tool to a downhole end of a workstring, the downhole tool further comprising: a mandrel;a bearing plate disposed around the mandrel;a first slip disposed around the mandrel;a second slip disposed around the mandrel;a first cone disposed around the mandrel;a sealing element disposed around the mandrel, and between the first slip and the second slip; anda lower sleeve coupled to the mandrel;running the workstring into a wellbore until the downhole tool reaches a desired position;placing the mandrel under a tensile load sufficient to cause setting of the downhole tool; andproviding additional force to cause disconnect between the workstring and the downhole tool,wherein after the connecting the downhole tool to the downhole end is completed, the downhole tool is engaged with a setting sleeve, and wherein the setting sleeve comprises three groups of channels disposed in an outer sleeve surface of the setting sleeve, and wherein each group comprises between about 1 and 3 linear-shaped channels.
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