Releasable Reversing Overshot Type DLT-T
group nameDownhole Tools
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Min Order1 piece
modelDLT-T
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update timeMon, 27 Aug 2012 02:25:10 GMT
Paramtents
FUNCTION FISHING
CERTIFICATE API 7-1
TYPE Releasable Reversing
Packging & Delivery
Min Order1 piece
Briefing
Detailed
The releasable reversing overshot type DLT-T combines the advantages of fishing, recovering, withdrawing fish and washing the upper end of a fish in one time. It can be used with drilling pipe, with pulling up tensile load higher than circulating overshot and Its main features in a device that has a higher tensile load than circulating overshot, and a better performance than box tap and some other reversing overshot.
Specification Series and Performance Parameters
Model | O.D mm （in） | Connection API | Size range of the fish to be recovered mm(in) | Allowable pulling up tensile load kN | Allowable reversing tensile load kN | Allowable reversing torque kN·m |
DLT－T48 | 95 (3 3/4) | 27/8REG | 47～49.3 (1 7/8~1 17/20) | 250 | 117.7 | 3.1 |
DLT－T60 | 105 (4 1/8) | NC31 | 59.7～61.3 (2 7/20~2 2/5) | 350 | 147.1 | 5.7 |
DLT－T73 | 114 (4 1/2) | NC31 | 72～74.5 (2 21/25~2 17/20) | 420 | 176.5 | 7.8 |
DLT－T89 | 134 (5 3/10) | NC38 | 88～91 (3 1/2~3 3/5) | 500 | 176.5 | 10.2 |
DLT－T95 | 140 (5 1/2) | NC38 | 94～96 (3 7/10~3 3/4) | 710 | 198 | 11.5 |
DLT－T102 | 145 (5 7/10) | NC38 | 101～104 (4~4 1/10) | 700 | 196 | 11.0 |
DLT－T114 | 160 (6 3/10) | 41/2REG | 113～115 (4 9/20~4 13/25) | 890 | 196 | 12.2 |
DLT－T127 | 185 (7 3/10) | NC50 | 126～129 (5~5 4/25) | 1 200 | 235 | 13.5 |
DLT－T140 | 200 (7 7/8) | NC50 | 139～142 (5 3/4~5 3/5) | 1 500 | 235 | 15.3 |
