A downhole tool suitable for use in a wellbore, the downhole tool having a mandrel, a first and second slip, a conical surface, and a lower sleeve. An elongate member is disposed at least partially in each of the second slip, the conical surface, and the lower sleeve. The elongate member is not in c
A downhole tool suitable for use in a wellbore, the downhole tool having a mandrel, a first and second slip, a conical surface, and a lower sleeve. An elongate member is disposed at least partially in each of the second slip, the conical surface, and the lower sleeve. The elongate member is not in contact with the mandrel, and has a body axis parallel to a long axis of the downhole tool.
대표청구항▼
1. A downhole tool suitable for use in a wellbore, the downhole tool comprising: a mandrel;a first slip disposed about the mandrel,a second slip disposed about the mandrel and proximate to a conical surface, the second slip having a one-piece configuration with at least partial connectivity around t
1. A downhole tool suitable for use in a wellbore, the downhole tool comprising: a mandrel;a first slip disposed about the mandrel,a second slip disposed about the mandrel and proximate to a conical surface, the second slip having a one-piece configuration with at least partial connectivity around the entirety of a circular second slip body, and a longitudinal slip channel disposed through the second slip, wherein the conical surface comprises a cone channel;a lower sleeve engaged with the second slip, the lower sleeve having a longitudinal sleeve channel;an elongate member not in contact with the mandrel, and comprising a longitudinal body axis; anda retainer pin,wherein the downhole tool comprises a longitudinal axis, the elongate member is disposed within each of the cone channel, the longitudinal slip channel, and the longitudinal sleeve channel, with the elongate member being parallel to the longitudinal axis, wherein the retainer pin is disposed in the longitudinal sleeve channel in abutment to an end of the elongate member, and wherein at least one of the second slip and the elongate member is made of composite material. 2. The downhole tool of claim 1, wherein the mandrel is made of filament wound material, and the mandrel further comprises a set of threads. 3. The downhole tool of claim 2, the downhole tool further comprising: a seal element; anda composite member disposed about the mandrel and in engagement with the seal element, wherein the composite member is made of a first material and comprises a first portion and a second portion, and wherein the first portion comprises at least one groove. 4. The downhole tool of claim 1, the downhole tool further comprising: a seal element positioned on the mandrel and in between a first cone and a second cone, wherein the first cone is also proximate to the first slip, and the second cone is proximate to the second slip. 5. The downhole tool of claim 4, wherein the second cone comprises the conical surface. 6. The downhole tool of claim 1, wherein at least one of the first slip and the second slip are made of composite material, and wherein the mandrel comprises a set of shear threads. 7. The downhole tool of claim 1, wherein there are three elongate members spaced equidistantly and symmetrically to each other, each being disposed respectively in sleeve channels, cone channels, and composite slip channels, and wherein none of the three elongate members are in contact with the mandrel. 8. A downhole tool useable for isolating sections of a wellbore, the downhole tool comprising: a mandrel having at least one set of threads;a composite slip disposed about the mandrel, the composite slip further comprising a circular slip body and a slip channel;a conical member disposed about the mandrel, and comprising an angled surface engaged with the composite slip, and a cone channel in the conical member,a lower sleeve also engaged with the composite slip, the lower slip further comprising a sleeve channel through the lower sleeve; anda seal element in engagement with the conical member;an elongate member not in contact with the mandrel, but disposed within the composite slip, the lower sleeve, and the angled surface,wherein the cone channel, the slip channel, and the sleeve channel are collectively configured for alignment whereby the elongate member fits therethrough each of the channels at the same time. 9. The downhole tool of claim 8 further comprising: another composite slip; and a bearing plate. 10. The downhole tool of claim 9, wherein the mandrel is made of composite material, and further comprises a second set of threads. 11. The downhole tool of claim 8, the downhole tool further comprising a bearing plate disposed around the mandrel, and wherein the tool comprises a set of three elongate members. 12. The downhole tool of claim 11, wherein each of the set of three elongate members are disposed respectively in aligned sleeve channels, cone channels, and composite slip channels, and wherein none of the three elongate members are in contact with the mandrel. 13. The downhole tool of claim 8, the downhole tool further comprising a retainer pin, wherein the downhole tool comprises a longitudinal axis, the elongate member is disposed within each of the cone channel, the longitudinal slip channel, and the longitudinal sleeve channel, with its longitudinal body axis being parallel to the longitudinal axis, wherein the retainer pin is disposed in the longitudinal sleeve channel in abutment to an end of the elongate member. 14. A downhole tool useable for isolating sections of a wellbore, the downhole tool comprising: a mandrel made of filament wound material, the mandrel further comprising: a flowbore; an external surface having a first set of threads, and an inner flowbore surface having a second set of threads;a composite slip disposed about the mandrel, the composite slip further comprising a circular slip body having a one-piece configuration, and a longitudinal slip channel disposed through the circular slip body;a conical member disposed about the mandrel, the conical member comprising surface engaged with the composite slip, and a cone channel disposed in the surface,a lower sleeve comprising sleeve threads matable with the first set of threads, and the lower sleeve also engaged with the composite slip, the lower sleeve having a longitudinal sleeve channel;a seal element in engagement with the member; andan elongate member not in contact with the mandrel, and being disposed at least partially within each of the composite slip, the lower sleeve, and the surface. 15. The downhole tool of claim 14 further comprising: a second composite slip; and a bearing plate, wherein each of the composite slip and the second composite slip comprise at least two grooves disposed therein. 16. The downhole tool of claim 14, the downhole tool further comprising: a first cone disposed around the mandrel and proximate a second end of the seal element; anda bearing plate disposed around the mandrel,wherein the tool comprises a set of three elongate members. 17. The downhole tool of claim 14, wherein the surface, the composite slip, and the lower sleeve each comprise a channel configured for alignment whereby the elongate member fits therethrough. 18. The downhole tool of claim 17, wherein the elongate member is made of composite material, and wherein the lower sleeve is configured for a retainer pin to be inserted therein, and into retaining engagement with the elongate member. 19. The downhole tool of claim 14, the downhole tool further comprising a retainer pin, wherein the downhole tool comprises a longitudinal axis, the elongate member is disposed within each of the cone channel, the longitudinal slip channel, and the longitudinal sleeve channel, with its longitudinal body axis being parallel to the longitudinal axis, wherein the retainer pin is disposed in the longitudinal sleeve channel in abutment to an end of the elongate member.
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