Releasing and Circulating Overshoes
The Releasing and Circulating Overshot is simple and rugged and is strongest tool available to externally engage, pack off and pull a fish.
The internal catch mechanisms are of two basic types: a basket grapple and a spiral grapple. According to different uses, it may be equipped with some accessories, such as extension sub, wall hook, enlarged guide, etc.
When ordering or requesting quotation, please specify:
1. Type of overshot;
2. OD. Of fish to be caught;
3. Size and type of top connection;
4. If size other than standard, please specify clearly. etc.
Type
|
O.D.
(mm/inch)
|
Max. Catch Size
(mm/inch)
|
Connection
API
|
Basket Grapple
|
Spiral grapple
|
LT102
|
102(4)
|
57.2(2-1/4)
|
70(2-3/4)
|
NC26
|
LT111
|
111(3-3/4)
|
60.3(2-3/8)
|
76.2(3)
|
NC31
|
LT133
|
133(5-1/4)
|
95.3(3-3/4)
|
101.6(4)
|
NC38
|
LT146
|
146(5-3/4)
|
101.6(4)
|
119.4(4-11/16)
|
NC38
|
LT206
|
206.4(8-1/8)
|
146(5-3/4)
|
168(6-5/8)
|
NC50
|
LT245
|
245(9-5/8)
|
184.2(7-1/4)
|
203(8)
|
6-5/8RGE
|
LT270
|
269.9(10-5/8)
|
200(7-7/8)
|
220(8-21/32)
|
6-5/8RGE
|
LT286
|
285.8(11-1/4)
|
203(8)
|
245(9-41/64)
|
6-5/8RGE
|
LT340
|
340(13-3/8)
|
222(8-3/4)
|
267(10-1/2)
|
6-5/8RGE
|