Using coil tubing in stuck wells is an effective method for retrieving stuck equipment and maintaining well integrity. Here’s a comprehensive guide on how coil tubing is used in such operations: Coil Tubing Operations in Stuck Wells: Benefits of Using Coil Tubing:

The maximum speed of coiled tubing can vary depending on the specific equipment, but typically ranges between 100 to 250 feet per minute with some high-performance units reaching speeds as high as 250 ft/min at minimum displacement, while maintaining a lower speed at maximum displacement; always consult the manufacturer’s specifications for the exact maximum speed […]

The coiled tubing unit has evolved into a portable, compact and efficient unit that eliminates the problem of making and breaking connections going in and out of the hole. It uses a continuous length of variously sized tubing that is stored on a reel. The length is usually sufficient to reach the well’s total depth […]

In coiled tubing milling, we remove block or deposits in wellbore. Milling by coiled tubing is difficult work. Downhole area is changing, and mechanical and hydraulic problems come often. Main problems we see in CT milling and ways to solve them: Cause: Solution: Cause: Solution: Solution: Cause: Solution: Solution: Solution: In coiled tubing milling, many […]

In the oil and gas industry, coiled tubing refers to a long metal pipe, normally 1 to 3.25 in (25 to 83 mm) in diameter which is supplied spooled on a large reel. It is used for interventions in oil and gas wells and sometimes as production tubing in depleted gas wells. Coiled tubing is […]

Injector Head is one of the seven major components of coiled tubing unit. Injector Head-FunctionRun, Pull and hold CT string inside the well bore. Injector Head-capacity & main componentsInjector comes with the pulling capacity of 40, 60, 80, 100 and 160 thousand lbs.Main components of Injector Head include.*Gooseneck*Chain system*Drive and brake system*Weight measurement system Gooseneck […]

Coiled Tubing Properties Outer Diameter1.5″1.75″2″ Wall Thickness0.109″0.134″0.145″0.156″0.175″0.188 etc. Yield Strength70,000 psi80,000 psi90,000 psi100,000 psi110,000 psi Coiled Tubing Reel Two main functions*Store coiled tubing string*Fluid pumping provisionComponents*Reel drum*Reel drive and brake system*Level wind assembly*Depth counter assembly*Reel swivel and manifold*Lubrication system*Crash protection frame

Functions of control cabinControl cabin is a centralized control station.It is used to monitor and control the functions of different components of coiled tubing unit.After performing the Rig-up following functions are performed from the control cabin.*CT RIH*CT POOH*CT Reel Operation*Stripper Operation*BOP Operation Instruments and ControlsDifferent types of gauges, controls and data acquisition systems are installed […]

Functions of Power PackProduce hydraulic power and pneumatic power.Power is transmitted to different components of CTU to perform their respective functions thru a system of hosed and valves etc.Almost 90% working of CTU is based on hadraulic power.Remaining 10% functions are performed using pneumatic power. Structure and Working of Power PackComposed of diesel engine.Converts chemical […]