releasing and circulating overshot

Releasing and Circulating OvershotReleasing and circulating overshot is LT-T type special external fishing tool used for fishing drill collar, drill pipe, tubing and other fished in drilling and work over operation.According to different uses,it may be equipped with some accessories,such as extension sub,wall hook,oversize guide,etc. TypeO.D. mm(in)mm(in)Max size of fishing Joint thread TypeO.D. mm(in)mm(in)Max size of fishing Joint thread Spiral slipBasket slipSpiral slipBasket slip TL-T8989(3 1/2)6047.5NC26TL-T200200(7 7/8)159140NC50 TL-T9292(3 5/8)7666.5NC26TL-T206206(8 1/8)178159NC50 TL-T9595(3 3/4)77.568NC26TL-T219219(8 5/8)178162NC50 LT-T102102(4-1/32)7360.3NC26LT-T206A206(8-1/8)168152NC50 TL-T105105(4 1/8)82.570.5NC31TL-T225225(8 7/8)197178NC50 TL-T114114(4-1/2)8975NC31LT-T232232(9-1/8)203187NC50 TL-T117117(4 5/8)8976NC31LT-T181181(7-1/8)146 127 NC50TL-T127127(5)9579.5NC38TL-T244244(9 5/8)2131976 5/8REG TL-T143143(5 5/8)121108NC38TL-T254254(10)2252066 5/8REG TL-T152152(5)127108NC38TL-T260260(10 1/4)2282106 5/8REG TL-T162162(6 3/8)133.5117.5NC50TL-T273273(10 3/4)2412256 5/8REG TL-T168168(6 5/8)140121NC50TL-T286286(11 1/4)2542256 5/8REG TL-T168B168(6-5/8)139.7120.6NC50LT-T298A298(11-3/4)257238.16-5/8REG TL-T187178(7 1/32)146127NC50TL-T340340(13 3/8)2862547 5/8REG TLT194194(7 5/8)159130NC50TL-T406406(16)3402867 5/8REG