XI 'AN ZZ TOP OIL TOOLS CO.,LTD
XI 'AN ZZ TOP OIL TOOLS CO.,LTD Insist Traceability, serialization
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Drop Ball Hydraulic Disconnect For Coiled Tubing Tool String
The Drop Ball hydraulic disconnect allows the tool string to detach at a predetermined point via the deployment of a suitable drop/trip ball through the coiled tubing. The drop ball locates on a piston sleeve, creating sufficient back pressure to shear the pins and disconnect the tool. When this happens, the piston sleeve pushes the tool apart to ensure a clean disconnect, and circulation is immediately returned to the toolstring, providing a surface indication of a positive disconnect. All piston sleeves and drop balls are returned to the surface, leaving a standard GS internal fish neck for retrieval purposes.
Specification of Drop Ball Hydraulic Disconnect
| CT Size | OD | ID | Connection | Operating Pressure | Temp. Rating | Tensile Strength | Service | Finish Neck | Drop Ball Size | ||||||||||||||||||||||||||||
| 1 11/16” | 1.687” | 0.469” | 1” AMMT | 5000psi | 0-400F | 45000lbs | Normal | 1.38” | 5/8” | ||||||||||||||||||||||||||||
| 2 1/8” | 2.125” | 0.469” | 1 1/2” AMMT | 5000psi | 0-400F | 50000lbs | Normal | 1.38” | 5/8” | ||||||||||||||||||||||||||||
| 2 7/8” | 2.875” | 0.875” | 2 3/8” PAC | 5000psi | 0-400F | 75000lbs | Normal | 2.31” | 15/16” | ||||||||||||||||||||||||||||
| 3 1/8” | 3.125” | 1” | 2 3/8” PAC | 5000psi | 0-400F | 85000lbs | Normal | 2.31” | 1 1/8” | ||||||||||||||||||||||||||||
| 1 11/16” | 1.687” | 0.469” | 1” AMMT | 5000psi | 0-400F | 42000lbs | H2S | 1.38” | 5/8” | ||||||||||||||||||||||||||||
| 2 1/8” | 2.125” | 0.469” | 1 1/2” AMMT | 5000psi | 0-400F | 48000lbs | H2S | 1.38” | 5/8” | ||||||||||||||||||||||||||||
| 2 7/8” | 2.875” | 0.875” | 2 3/8” PAC | 5000psi | 0-400F | 70000lbs | H2S | 2.31” | 15/16” | ||||||||||||||||||||||||||||
| 3 1/8” | 3.125” | 1” | 2 3/8” PAC | 5000psi | 0-400F | 75000lbs | H2S | 2.31” | 1 1/8” | ||||||||||||||||||||||||||||
