| Customization: | Available |
|---|---|
| After-sales Service: | No Overseas Service Provided |
| Warranty: | 1 Year |
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Overshot is a downhole tool used in fishing operations to engage on the outside surface of a tube or tool. A grapple, or similar slip mechanism, on the overshot grips the fish, allowing application of tensile force and jarring action. If the fish cannot be removed, a release system within the Overshot allows the overshot to be disengaged and retrieved
1. There are two types of Overshots: Short Catch Overshot, Releasing and Circulating Overshot.
2. Connection made by API 5DP, API 5B and GOST.
3. Short Catch Overshot is used for catching short length fish which the stuck point is closed or above the coupling, such as tubing, drill pipe, sucker rod and subs.
4. Releasing and Circulating Overshot can fish the pipes externally. It can catch drill collar, drill pipe, tubing, subs and other pipes.
Specification of the Short Catch Overshot
|
Type |
Outside diameter O.D. mm(in) |
Salvage range mm |
Connection |
Hole diameter mm |
Tension |
|
DYLT95 |
95(3-3/4) |
47~49 |
NC26 |
114.3-120.8 |
450 |
|
DYLT105 |
104.8(4-1/8) |
59.7~61.3 |
NC31 |
127-139.7 |
500 |
|
DYLT114 |
114(4-1/2) |
72~74.5 |
NC31 |
139.7-146 |
500 |
|
DYLT135 |
135(5-5/16) |
87.9~90.6 |
NC31 |
159.6-168 |
600 |
|
DYLT146 |
146(5-3/4) |
100.4~103.2 |
NC38 |
168-178 |
630 |
|
DYLT206 |
206(8-1/8) |
165~170 |
NC50 |
224~228 |
1018 |
Specification of Releasing and Circulating Overshot
|
Type |
O.D. of overshot mm(inch)
|
MAX. fish dimension mm(inch) |
Connection |
|
|
Spire slip mm(inch) |
Basket slip mm(inch) |
|||
|
T-T324 |
324(12-3/4) |
282.6(11-1/8) |
266.7(10-1/2) |
6-5/8REG |
|
LT-T298 |
298(11-3/4) |
257.2(10-1/8) |
228.6(9) |
6-5/8REG |
|
LT-T270 |
270(10-5/8) |
228.6(9) |
203.2(8) |
6-5/8REG |
|
LT-T206 |
206(8-1/8) |
177.8(7) |
159(6-1/4) |
NC50 |
|
LT-T200 |
200(7-7/8) |
171.5(6-3/4) |
155.6(6-1/8) |
NC50 |
|
LT-T146 |
146(5-3/4) |
117.5(4-5/8) |
108(4-1/4) |
NC38 |
|
LT-T143 |
146(5-5/8) |
120.7(4-3/4) |
108(4-1/4) |
NC38 |
|
LT-T102 |
102(4) |
77.8(3-1/16) |
65(2-9/16) |
NC26 |
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