A downhole tool for use in a wellbore, the downhole tool having: a mandrel, a bearing plate, and at least one metal slip having a one-piece configuration. The mandrel is made of a composite material, and has a lower sleeve threaded therewith. The bearing plate has an angled inner plate surface confi
A downhole tool for use in a wellbore, the downhole tool having: a mandrel, a bearing plate, and at least one metal slip having a one-piece configuration. The mandrel is made of a composite material, and has a lower sleeve threaded therewith. The bearing plate has an angled inner plate surface configured for engagement with a corresponding angled surface of another part of the downhole tool. The one-piece configuration is defined by at least partial connectivity around the entirety of the metal slip body. The metal slip has at least one lateral groove therein.
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 outer surface at the distal end is configured with a set of threads, and wherein the outer
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 outer surface at the distal end is configured with a set of threads, and wherein the outer surface comprises a first outer diameter;a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with a corresponding angled surface;a first metal slip disposed around the mandrel proximate to the proximate end, and in engagement with the bearing plate, the first metal slip further comprising: a first metal slip body having a one-piece configuration defined by at least partial connectivity around the entirety of the first metal slip body; andat least one lateral groove in the first metal slip body that is defined by a depth that extends from a first metal slip outer surface to a first metal slip inner surface;a first cone member disposed around the mandrel, and proximate to the first metal slip;a second metal slip disposed around the mandrel, the second metal slip further comprising: a second metal slip body having a respective one-piece configuration defined by at least partial connectivity around the entirety of the second metal slip body; a plurality of second slip body lateral grooves disposed therein; and gripping elements;a second cone member disposed around the mandrel, and proximate to a first side of the second metal slip;a sealing element disposed around the mandrel, and between the first cone and the second cone; anda lower sleeve disposed around the mandrel, and proximate to a second side of the second metal slip, wherein the lower sleeve is configured with sleeve threads that are coupled with the set of threads. 2. The downhole tool of claim 1, wherein each of the first metal slip and the second metal slip comprise a respective plurality of longitudinal holes disposed therein. 3. The downhole tool of claim 1, wherein the downhole tool is selected from a group consisting of a frac plug and a bridge plug, and wherein the downhole tool is configured for engagement with a setting tool or a setting tool adapter. 4. The downhole tool of claim 3, wherein the outer diameter is less than 5 inches. 5. The downhole tool of claim 1, wherein at least one of the first metal slip and the second metal slip is surface hardened, resulting in a respective outer surface having a Rockwell hardness in the range of about 40 to about 60, a respective inner surface having a Rockwell hardness in the range of about 10 to about 25. 6. 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 outer surface at the distal end is configured with a set of threads, and wherein the outer surface comprises a first outer diameter;a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with a corresponding angled surface of another part of the downhole tool;a first metal slip disposed around the mandrel proximate to the proximate end, and in engagement with the bearing plate, the first metal slip further comprising: a first metal slip body having a one-piece configuration defined by at least partial connectivity around the entirety of the first metal slip body;a first metal slip set of gripping elements; andan at least one first slip lateral groove disposed therein, being defined by a depth that extends from a first metal slip outer surface to a first metal slip inner surface;a first cone member disposed around the mandrel, and proximate to the first metal slip;a sealing element disposed around the mandrel; anda lower sleeve disposed around the mandrel, wherein the lower sleeve is configured with sleeve threads that are coupled with the set of threads,wherein the first outer diameter is less than 5 inches. 7. The downhole tool of claim 6, the downhole tool further comprising: a second metal slip disposed around the mandrel, the second metal slip further comprising: a second metal slip body having a respective one-piece configuration; a plurality of second slip body lateral grooves disposed therein; and gripping elements; anda second cone member disposed around the mandrel, and proximate to a first side of the second metal slip;wherein the downhole tool is selected from a group consisting of a frac plug and a bridge plug. 8. The downhole tool of claim 7, wherein the downhole tool is configured for engagement with a setting tool or a setting tool adapter. 9. The downhole tool of claim 6, wherein each of the first metal slip and the second metal slip comprise a respective plurality of longitudinal holes disposed therein. 10. The downhole tool of claim 6, wherein each of the first metal slip and the second metal slip is made from cast iron, and wherein each of the first metal slip and the second metal slip is surface hardened, resulting in a respective outer surface having a Rockwell hardness in the range of about 40 to about 60, a respective inner surface having a Rockwell hardness in the range of about 10 to about 25. 11. The downhole tool of claim 6, wherein the downhole tool further comprises a ball seat configured to receive and engage with a drop ball. 12. 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; a flowbore; and an outer surface, wherein the outer surface at the distal end is configured with a set of threads;a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with a corresponding angled surface;a first metal slip disposed around the mandrel proximate to the proximate end, and in engagement with the bearing plate, the first metal slip further comprising: a first metal slip body having a one-piece configuration defined by at least partial connectivity around the entirety of the first metal slip body; anda plurality of first slip lateral grooves disposed therein,wherein at least one of the plurality of first slip lateral grooves is defined by a depth that extends from a first metal slip outer surface to a first metal slip inner surface;a first cone member disposed around the mandrel, and proximate to the first metal slip;a second metal slip disposed around the mandrel, the second metal slip further comprising: a second metal slip body having a respective one-piece configuration; a plurality of second slip body lateral grooves disposed therein; and gripping elements;a second cone member disposed around the mandrel, and proximate to a first side of the second metal slip;a sealing element disposed around the mandrel, and between the first cone and the second cone;a lower sleeve disposed around the mandrel, and proximate to a second side of the second metal slip, the lower sleeve further comprising a taper surface; andan effective tool outer diameter,wherein the lower sleeve is configured with sleeve threads that are coupled with the set of threads, wherein the effective tool outer diameter is less than 5 inches, wherein the downhole tool is selected from a group consisting of a frac plug and a bridge plug, and wherein the downhole tool is configured for engagement with a setting tool or a setting tool adapter. 13. The downhole tool of claim 12, wherein each of the first metal slip and the second metal slip comprise a respective plurality of longitudinal holes disposed therein. 14. The downhole tool of claim 12, wherein at least one of the first metal slip and the second metal slip is surface hardened, resulting in a respective outer surface having a Rockwell hardness in the range of about 40 to about 60, a respective inner surface having a Rockwell hardness in the range of about 10 to about 25. 15. The downhole tool of claim 12, wherein each of the first metal slip and the second metal slip comprise a respective plurality of longitudinal holes disposed therein. 16. The downhole tool of claim 15, wherein each of the first metal slip and the second metal slip is made from cast iron, and wherein each of the first metal slip and the second metal slip is surface hardened, resulting in a respective outer surface having a Rockwell hardness in the range of about 40 to about 60, a respective inner surface having a Rockwell hardness in the range of about 10 to about 25. 17. The downhole tool of claim 12, wherein the downhole tool further comprises a ball seat configured to receive and engage with a drop ball, and wherein upon engagement with the drop ball onto the ball seat the flowbore is blocked at the proximate end.
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