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Main business area：China、North America、The Middle East、Central Asia、Southeast Asia
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Shear blowout preventer
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The JQQ78-70 cutter is suitable for cutting coiled tubing during coiled tubing operation. The shear is mainly composed of shell, side door, cylinder, piston, locking screw, end cover, locking handle and other parts. In order to avoid the shear in the wellhead but lose the effect, the shell with not upside down indicator, the shear must be installed in the arrow up. Shearing coiled tubing: When the coiled tubing needs to be cut after an emergency, the quick connector printed CLOSE can be pressurized, and the shear ram moves toward the center to cut the tubing. Pressure can then be applied to the printed OPEN quick connector to make the ram return to the beginning.
型号 | JQQ78-70 |
垂直通径 | φ78mm |
工作压力 | 70Mpa(10kpsi) |
操纵形式 | 液控 |
液控压力 | 21MPa |
锁紧形式 | 顺时针手动锁紧 |
上端连接方式 | API3 1/16-15000psiBX154整体法兰 |
下端连接方式 | API 3 1/16-15000psiBX154整体法兰 |
剪切油管 | 1.25”～1.75” |
双液缸容量 | 5L |
液压接口 | NPT 1/2快速接头公端 |
工作温度 | T-20( -29℃~+121℃) |
适用介质 | 含H2S原油、天然气、水等（抗硫等级EE级） |
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