Hydraulic Tubing Drains for use with deep hole drilling tools, downhole devices and other oil and off shore drilling applications provide an accurate method to equalize the fluid level in tubing strings, without mechanical manipulation.
All Tubing Drains are made from high quality Alloy material and use brass shear screws. Replacement parts for all components are available from stock.
Aimed at pump rod break, stripping, piston dropping without opening oil drainage unit during operation of oil well, no ordinary oil drainage achievement in heavy oil and paraffin troubled well, environment pollution and so on, rotary oil drainage unit is the patent product (patent no. Zl2005200845803) specially designed and developed. It has advantages of simple structure, easy operation and reliable oil drainage,
