Embodiments pertain to a downhole tool that includes a mandrel made of a composite material, a bearing plate disposed around the mandrel, the bearing plate having an angled inner plate surface configured for engagement with a mandrel surface; a composite slip disposed around the mandrel, and having
Embodiments pertain to a downhole tool that includes a mandrel made of a composite material, a bearing plate disposed around the mandrel, the bearing plate having an angled inner plate surface configured for engagement with a mandrel surface; a composite slip disposed around the mandrel, and having a composite slip body configured with a one-piece configuration, a first cone disposed around the mandrel, and proximate to the composite slip; a second slip disposed around the mandrel; a sealing element disposed around the mandrel; and a lower sleeve coupled to the mandrel, and proximate to a second side of the metal slip.
대표청구항▼
1. A downhole tool for use in a wellbore, the downhole tool comprising: a mandrel made of a composite material, the mandrel further comprising: a distal end; a proximate end; and an outer surface,wherein the mandrel comprises a first outer diameter at the distal end, a second outer diameter at the p
1. A downhole tool for use in a wellbore, the downhole tool comprising: a mandrel made of a composite material, the mandrel further comprising: a distal end; a proximate end; and an outer surface,wherein the mandrel comprises a first outer diameter at the distal end, a second outer diameter at the proximate end, and an angled linear transition surface therebetween, and wherein the second outer diameter is larger than the first outer diameter;a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with the angled linear transition surface;a first slip disposed around the mandrel proximate to the distal end;a composite slip disposed around the mandrel proximate to the proximate end, the composite slip further comprising: a composite slip body having a one-piece configuration, an outer slip surface, an inner slip surface, and a plurality of grooves disposed therein,wherein at least one of the plurality of grooves forms a lateral opening in the composite slip body that is defined by a first portion of slip material at a first slip end, a second portion of slip material at a second slip end, and a depth that extends from the outer slip surface to the inner slip surface;a first cone disposed around the mandrel, and proximate to the composite slip;a sealing element disposed around the mandrel; anda lower sleeve coupled to the mandrel, and proximate to a second side of the first slip. 2. The downhole tool of claim 1, the downhole tool further comprising a second cone disposed around the mandrel, and proximate to the first slip, and wherein the lower sleeve is threadingly coupled with the mandrel. 3. The downhole tool of claim 1, wherein the composite material comprises filament wound material, and wherein the first slip further comprises a metal slip body with a plurality of longitudinal holes disposed therein, and an outer surface comprising columns of serrated teeth. 4. The downhole tool of claim 3, wherein the plurality of longitudinal holes further comprises at least four longitudinal holes, and wherein the metal slip body comprises at least partial connectivity around the entire metal slip body. 5. The downhole tool of claim 1, wherein the composite slip comprises a first inner surface having a first angle with respect to an axis, wherein the composite slip comprises a plurality of inserts disposed therein. 6. The downhole tool of claim 1, wherein the composite material comprises filament wound material, wherein the composite slip comprises a first inner surface having a first angle with respect to the axis, wherein the composite slip comprises a plurality of inserts disposed therein, and wherein at least one of the plurality of inserts comprises a flat surface. 7. The downhole tool of claim 1, wherein the composite slip is made from filament wound material. 8. The downhole tool of claim 1, wherein the downhole tool is selected from the group consisting of a frac plug, a bridge plug, a bi-directional bridge plug, and a kill plug. 9. The downhole tool of claim 1, wherein the first slip further comprises a metal slip body with a plurality of longitudinal holes disposed therein, and an outer surface comprising columns of serrated teeth. 10. The downhole tool of claim 1, wherein the first slip is made of filament wound material. 11. A downhole tool for use in a wellbore, the downhole tool comprising: a mandrel made of a filament wound material, the mandrel further comprising: a distal end; a proximate end; and an outer surface,wherein the mandrel comprises a first outer diameter at the distal end, a second outer diameter at the proximate end, and an angled linear transition surface therebetween, and wherein the second outer diameter is larger than the first outer diameter;a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with the angled linear transition surface;a composite slip disposed around the mandrel proximate to the proximate end, the composite slip further comprising: a composite slip body having a one-piece configuration, an outer slip surface, an inner slip surface, and at least one groove formed in the composite slip body that is defined by a first portion of slip material at a first slip end, a second portion of slip material at a second slip end, and a depth that extends from the outer slip surface to the inner slip surface;a first cone disposed around the mandrel, and proximate to the composite slip;a metal slip disposed around the mandrel, the metal slip further comprising a metal slip body with a plurality of longitudinal holes disposed therein;a second cone disposed around the mandrel, and proximate to a first side of the metal slip;a sealing element disposed around the mandrel, and between the first cone and the second cone; anda lower sleeve coupled to the mandrel, and proximate to a second side of the metal slip. 12. The downhole tool of claim 11, wherein the composite slip body comprises a plurality of inserts disposed therein, and wherein at least one of the plurality of inserts comprises a flat surface. 13. The downhole tool of claim 11, wherein the plurality of longitudinal holes further comprises at least four longitudinal holes, and wherein the metal slip body comprises at least partial connectivity around the entire metal slip body. 14. The downhole tool of claim 11, wherein the composite slip body comprises a first inner surface having a first angle with respect to an axis, and a second inner surface having a second angle with respect to the axis. 15. The downhole tool of claim 14, wherein the composite slip body is made from filament wound material. 16. A downhole tool for use in a wellbore, the downhole tool comprising: a mandrel made of a composite material, the mandrel further comprising: a distal end; a proximate end; and an outer surface,wherein the mandrel comprises a first outer diameter at the distal end, a second outer diameter at the proximate end, and an angled linear transition surface therebetween;a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with the angled linear transition surface;a composite slip disposed around the mandrel proximate to the proximate end, the composite slip further comprising a composite slip body having a one-piece configuration;a first cone disposed around the mandrel, and proximate to the composite slip;a metal slip disposed around the mandrel, the metal slip further comprising a metal slip body with a plurality of longitudinal holes disposed therein;a second cone disposed around the mandrel, and proximate to a first side of the metal slip;a sealing element disposed around the mandrel, and between the first cone and the second cone; anda lower sleeve threadingly engaged to the mandrel, and proximate to a second side of the metal slip. 17. The downhole tool of claim 16, wherein the composite material comprises filament wound material, and wherein the second outer diameter is larger than the first outer diameter. 18. The downhole tool of claim 16, wherein the composite slip body comprises a one-piece configuration, an outer slip surface, an inner slip surface, and at least one groove formed in the composite slip body that is defined by a first portion of slip material at a first slip end, a second portion of slip material at a second slip end, and a depth that extends from the outer slip surface to the inner slip surface, and wherein the outer slip surface comprises plurality of inserts disposed therein. 19. The downhole tool of claim 16, wherein the composite slip is made from filament wound material, and wherein the downhole tool is selected from the group consisting of a frac plug, a bridge plug, a bi-directional bridge plug, and a kill plug. 20. The downhole tool of claim 16, wherein the plurality of longitudinal holes further comprises at least four longitudinal holes, wherein the metal slip further comprises columns of serrated teeth, and wherein the metal slip body comprises at least partial connectivity around the entire metal slip body.
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