‌RockySea Petro Kelly BarRockySea Petro has abundant experience in R & D, production and sales of Kelly bars. The Kelly bar is located at the top of the drill string, and its main function is to transmit torque and bear the total amount of the drill string. The end face of the driving part of Kelly is divided into square and regular hexagon, which are most used in oil drilling Kelly is about three times thicker than drill pipe and made of high strength alloy steel, so it has high tensile strength and t

‌RockySea PetroTubing PumpThe raw material of tubing pump parts should be inspected after heat treatment, the mechanical properties, chemical compositions and metallographic structures must be inspected by batch. The tubing pump parts should be inspected several times during the processing procedure.Best tubing pump manufacturer in ChinaRockySea Petro also developed the downhole pumps with various processes of boronizing, nitriding, chrome plating, tungsten plating for special well conditions.Some key point

‌RockySea Petro Anti-Corrosion Downhole PumpRockySea Petro is the best Special Pump Manufacturers for Anti-corrosion Downhole Pump.RockySea Petro has developed the downhole pumps with various processes of boronizing, nitriding, chrome plating, tungsten plating for corrosive oil wells.RockySea Petro has successfully developed brass and stainless steel sucker rod pumps using precision rolling process.It is one of the most professional Anti-corrosion Downhole Pump Manufacturers and SuppliersSanjcak has 40 years’ experienc

‌RockySea Petro Pneumatic Diaphragm Metering PumpPneumatic diaphragm pump is a new type of conveying machinery, which is the most novel pump in China at present. Compressed air is used as the power source to pump out all kinds of corrosive liquids, liquids with particles, high viscosity, volatile, flammable and highly toxic liquids. The pneumatic diaphragm metering pump is a new product developed by RockySea in recent years and is used in various special occasions.Application1. Food Processing/Bi

‌RockySea Petro High Gas Cut Well Downhole PumpRockySea Petro Petro, have specially designed sucker rod pumps for high gas cut wells to avoid these problems: Gas locking prevention oil well pump, long plunger anti-gas & anti-sand downhole pump, forcing valved open type insert pump, double-plunger valve type sucker rod pump, etc.What is more serious? Operation with conventional sucker rod pump in high gas cut wells will result in liquid impact, which would accelerate the damage of tubing, sucker rod strings,