SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION

Releasing And Circulating Overshot

Releasing and circulating overshot is one of the fishing tools which can externally engage the pipe, it can fish drill collar, drill pipe, tubing and other pipes. The tools have installed seal, it can circulate drilling fluids in the higher pump pressure after catching the fish. There is a guide shoe at the bottom of overshot which can centralize the fish. It can also work with jars to catch the stuck fish. If the caught fish cannot be release from sticking, it can release the overshot and trip out the drill string.


Technical Specification of Releasing And Circulating Overshot

Model

Bowl OD

Max. Catch Size

Connection

Spiral Grapple

Basket Grapple

mm (inch)

mm (inch)

mm (inch)

LT-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)

120.7 (4-3/4)

108 (4-1/4)

NC38

LT-T143

143 (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


PRODUCT
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