Coiled tubing and slickline unit
View Patent ↗A coiled tubing unit includes a coiled tubing assembly and a slickline assembly sharing an axis of rotation with the coiled tubing assembly. A shaft of the coiled tubing assembly is received by bearings on a slickline drum of the slickline assembly and extends through an interior of the slickline drum. A swivel joint connection is rotatably affixed on an end of the shaft as it exits the interior of the slickline drum, thus allowing for introduction of fluid or cabling into the shaft and into the coiled tubing. The coiled tubing drum and slickline drum can rotate independently and are powered independently of each other. The coiled tubing and slickline assemblies are preferably affixed to a removable module, the removable module being positioned on a skid having a power unit and appropriate controls.
1. An apparatus comprising:
a base;
a coiled tubing assembly affixed to said base, said coiled tubing assembly having a coiled tubing drum and a shaft;
a secondary assembly affixed to said base, said secondary assembly having a secondary drum and at least one bearing unit, said shaft of said coiled tubing assembly being received by said at least one bearing unit so as to pass through an interior of said secondary drum such that said coiled tubing drum is rotatable independently of said secondary drum;
a skid, said base being removably positioned on said skid;
a power unit positioned on said skid, said power unit having an engine and at least a first hydraulic pump and a second hydraulic pump;
a first motor positioned on said base and connected to said coiled tubing assembly, said first motor being connected to said first hydraulic pump via a first hydraulic hose;
a second motor positioned on said base and connected to said secondary assembly, said second motor being connected to said second hydraulic pump via a second hydraulic hose; and
a fluid pump positioned on said skid, said fluid pump having a third motor connected thereto, said third motor connected to a third hydraulic pump of said power unit via a third hydraulic hose.
2. The apparatus of claim 1 , said coiled tubing assembly and said secondary assembly having a common axis of rotation.
3. The apparatus of claim 1 , said shaft of said coiled tubing assembly having an end extending outwardly of said secondary drum, the apparatus further comprising:
a fluid hose connection mounted on said end of said shaft, said fluid hose connection being rotatable relative to said shaft; and
a hole drilled through said shaft in a location between first and second reel flanges of said coiled tubing drum.
4. The apparatus of claim 3 , said shaft of said coiled tubing assembly having an interior passageway extending between said hole and said fluid hose connection.
5. The apparatus of claim 1 , said coiled tubing assembly having a level-wind assembly positioned adjacent thereto.
6. The apparatus of claim 1 , further comprising:
a control cab positioned on said skid.