DOWNHOLE TOOL AND METHOD OF USE
A downhole tool having a mandrel made of composite material, the mandrel having a proximate end with a first outer diameter, and a distal end having a first set of threads and a second outer diameter. There is a flowbore extending from the proximate end to the distal end, as well as a sealing element configured with an inner annular groove.
1 . A downhole tool for use in a wellbore, the downhole tool comprising:
a mandrel made of composite material, the mandrel further comprising:
a proximate end having a first outer diameter;
a distal end comprising a first set of threads and a second outer diameter;
an angled outer linear transition surface therebetween; and
an inner flowbore extending from the proximate end to the distal end,
wherein the first outer diameter is larger than the second outer diameter;
a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with the angled outer linear transition surface;
a first slip disposed around the mandrel;
a first cone disposed around the mandrel, and proximate the first slip;
a second slip disposed around the mandrel;
a second cone disposed around the mandrel, and proximate the second slip;
a seal element disposed around the mandrel, and between the first cone and the second cone, the seal element further comprising:
an inner circumferential groove; and
a seal element outer surface configured with an at least one angled surface;
a lower sleeve disposed around the mandrel at the distal end, and threadingly engaged with the first set of threads, the lower sleeve further comprising a lateral hole with an at least one anchor pin disposed therein, the at least one anchor pin being proximately engaged with the distal end.
2 . The downhole tool of claim 1 , wherein a depth of the inner circumferential groove is about 0.25 inches.
3 . The downhole tool of claim 1 , wherein at least one of the first slip and the second slip are made of composite material.
4 . The downhole tool of claim 3 , wherein at least one of the first slip and the second slip comprise a band therearound, the band configured to maintain position of the respective slip.
5 . The downhole tool of claim 3 , the downhole tool further comprising a deformable member configured to be responsive to a pump down fluid.
6 . The downhole tool of claim 3 , wherein each of the first slip and the second slip comprise a one-piece configuration, and wherein the lower sleeve is configured with sleeve threads that are coupled with the first set of threads.
7 . The downhole tool of claim 1 , wherein the lower sleeve is configured to maintain break symmetry of the first slip, and wherein the bearing plate is proximate the second slip.
8 . The downhole tool of claim 1 , wherein the lower sleeve is configured with an at least one outer tapered surface.
9 . A downhole tool for use in a wellbore, the downhole tool comprising:
a mandrel made of composite material, the mandrel further comprising:
a proximate end having a first outer diameter;
a distal end comprising a first set of threads and a second outer diameter;
an angled outer linear transition surface therebetween; and
an inner flowbore extending from the proximate end to the distal end,
wherein the first outer diameter is larger than the second outer diameter;
a bearing plate disposed around the mandrel, the bearing plate comprising an inner plate surface configured for engagement with the angled outer linear transition surface;
a first slip disposed around the mandrel;
a second slip disposed around the mandrel;
a seal element disposed around the mandrel, and between the first slip and the second slip, the seal element further comprising:
an inner circumferential groove; and
a seal element outer surface configured with an at least one angled surface;
a lower sleeve disposed around the mandrel at the distal end, and threadingly engaged with the first set of threads.
10 . The downhole tool of claim 9 , the downhole tool further comprising: a first cone proximate the first slip; and a second cone proximate the second slip,
wherein the lower sleeve is configured with a lateral hole with an at least one anchor pin disposed therein, the at least one anchor pin being proximately engaged with the distal end.
11 . The downhole tool of claim 10 , wherein a depth of the inner circumferential groove is about 0.25 inches.
12 . The downhole tool of claim 11 , wherein at least one of the first slip and the second slip are made of composite material.
13 . The downhole tool of claim 12 , wherein at least one of the first slip and the second slip comprise a band therearound, the band configured to maintain position of the respective slip.
14 . The downhole tool of claim 13 , the downhole tool further comprising a deformable member configured to be responsive to a pump down fluid.
15 . The downhole tool of claim 13 , wherein each of the first slip and the second slip comprise a one-piece configuration.
16 . The downhole tool of claim 13 , wherein the lower sleeve is configured to maintain break symmetry of the first slip, and wherein the bearing plate is proximate the second slip.
17 . The downhole tool of claim 13 , wherein the lower sleeve is configured with an at least one outer tapered surface.
18 . A downhole tool for use in a wellbore, the downhole tool comprising:
a mandrel made of composite material, the mandrel further comprising:
a proximate end having a first outer diameter;
a distal end comprising a first set of threads and a second outer diameter;
an angled outer linear transition surface therebetween; and
an inner flowbore extending from the proximate end to the distal end,
wherein the first outer diameter is larger than the second outer diameter;
a bearing plate disposed around the mandrel, the bearing plate comprising an angled inner plate surface configured for engagement with the angled outer linear transition surface;
a first slip disposed around the mandrel;
a first cone disposed around the mandrel, and proximate the first slip;
a second slip disposed around the mandrel;
a second cone disposed around the mandrel, and proximate the second slip;
a seal element disposed around the mandrel, and between the first cone and the second cone, the seal element further comprising:
an inner circumferential groove; and
a seal element outer surface configured with an at least one angled surface;
a lower sleeve disposed around the mandrel at the distal end, and threadingly engaged with the first set of threads, the lower sleeve further comprising a lateral hole with an at least one anchor pin disposed therein
wherein at least one of the first slip and the second slip are made of composite material.
19 . The downhole tool of claim 18 , wherein each of the first slip and the second slip comprise a band therearound, the band configured to maintain position of the respective slip.
20 . The downhole tool of claim 19 , wherein the lower sleeve is configured with an at least one outer tapered surface.