Hollow sucker rod is the exploitation of high viscosity, high waxy crude oil production equipment. It spread to the well through the center of the rod body hole injection heat carrier (thermal oil, hot water, steam), chemicals, or heat into the cable to achieve viscosity soluble wax, thus improve crude oil mobility, improve the "three highs" (high viscosity, high solidification, high waxy) crude oil extraction efficiency, also can be used for water injection, paraffin, sand washing, and layered oil production, it has big stiffness, with the characteristics of the torque capability is strong, widely used in driving screw pump.

                                                Hollow sucker rod products

Hollow sucker rod key features:

Increase the plunger efficient stroke, and improve the pump efficiency, increase oil production.

Decrease The Times of workover and wash well and avoid high pour-point and high waxy oil well plugging well, death accidents such as well.

Reasonable structure, reliable sealing. Mechanical properties of D rod.

Hollow sucker rod of screw pump well electric heating oil recovery device：

Drive screw pump electrical heating device is the use of hollow sucker rod torsion capacity is big, good resistance to break off, can make the pump oil to the heating characteristics, to improve the reliability of a complete set of equipment and decrease the accident risk, effective for the exploitation of high viscous oil and high pour-point oil provide guarantee.

Hollow sucker rod pump device overcomes the use of conventional solid rod drive roller rod pump, solid rod bearing torsional capacity is small, easy to break off, rotational resistance is big, and many other shortcomings.

Hollow sucker rod heat carrier injection production structure principle:

Hollow sucker rod heat carrier injection production device, in continuous or intermittent way through the hollow rod lumen to the borehole injection heat carrier (hot water, steam, thermal oil) or chemical agent to improve the wellbore temperature to reduce the viscosity of crude oil, wax to eliminate the shaft, the pump can work normally. (note: when injected into hot oil, hot oil demand by filtering, colloid, drag wax hot thin oil).

The advantages of hollow sucker rod heat carrier injection oil production equipment:

Applicability is wide and can be injected heat carrier, and chemical viscosity agent can note, also can undertake downhole testing, etc.

Can increase the plunger stroke effectively, improve the pump efficiency, prolong pump inspection cycle.

No interference, reservoir pollution, thermal efficiency is good.

Under the condition of no shutdown can wash well operations are needed.

The process is simple and easy to use.