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Washover Shoes
Washing over is an effective method of freeing stuck pipe in the wellbore, by cutting away and circulating out obstructions hindering the pipe’s movement. Lone Star Drill Bits offers an array of washover shoes in various configurations to suit a range of downhole conditions. Washover shoes and associated equipment can be specially fabricated for any job.
Features and Benefits:
* Rugged N-80 grade or greater casing or tubing construction; higher specification materials are available by special order
* Built with integral joints for job design flexibility
* Available in sizes 2¼ inches - 24 inches
* Shoes can also be custom fabricated by special order
Applications:
* Releasing stuck pipe lodged in the wellbore by debris or obstructions
The shoe designs shown here represent a small number of those that are available
Specifications
|
Washpipe |
Washpipe |
Max. |
Drift |
Nominal |
Make-up |
|
Size |
Max.OD |
Fish OD |
ID |
ID |
Torque |
|
(in.) |
(in.) |
(in.) |
(in.) |
(in.) |
(ft./lb.) |
|
5¹⁄₂ |
5¹⁄₂ |
4⁵⁄₈ |
4.767 |
4.892 |
2,370 |
|
5³⁄₄ |
5³⁄₄ |
5 |
5.001 |
5.124 |
2,700 |
|
6⁵⁄₈ |
6⁵⁄₈ |
5³⁄₄ |
5.796 |
5.921 |
4,000 |
|
7⁵⁄₈ |
8¹⁄₈ |
6¹⁄₂ |
6.640 |
6.765 |
4,340 |
|
7⁵⁄₈ |
8¹⁄₈ |
6¹¹⁄₁₆ |
6.750 |
6.843 |
4,340 |
|
7⁵⁄₈ |
7⁵⁄₈ |
6¹¹⁄₁₆ |
6.750 |
6.875 |
6,120 |
|
8¹⁄₈ |
8¹⁄₈ |
7¹⁄₁₆ |
7.125 |
7.250 |
8,370 |
|
9⁵⁄₈ |
9⁵⁄₈ |
8⁵⁄₈ |
8.679 |
8.835 |
10,000 |
|
10³⁄₄ |
10³⁄₄ |
9¹⁄₂ |
9.604 |
9.760 |
16,000 |
|
10³⁄₄ |
10³⁄₄ |
9⁵⁄₈ |
9.694 |
9.850 |
14,250 |
|
11³⁄₄ |
11³⁄₄ |
10⁵⁄₈ |
10.724 |
10.880 |
16,250 |
|
13³⁄₈ |
13³⁄₈ |
12¹⁄₈ |
12.259 |
12.415 |
15,000 |
|
16 |
16 |
14¹⁄₂ |
14.683 |
14.870 |
47,000 |
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