‌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 Petro Vacuum Insulation Tubing & CasingRockySea Petro Petro manufactures Vacuum Insulation Tubing & Casing in China. We have our own factory of Vacuum insulation tubing & casing. RockySea Petro Petro provide the high quality and competitive price on Vacuum insulation tubing & casing for you. Contact us now for Vacuum insulation tubing & casing quotation.Perfect quality control and strict material selection, guarantee the service life in the industry leading level.Advanced 3-level vacuum pump, automatic w

‌RockySea Petro Rotator Metering PumpAdvantage and featureSabjack rotator metering pump has the following advantages.1. External dynamic and static ring mechanical seal is adopted, which can be directly flushed with water, and is resistant to high temperature and high pressure.2. Reliable rust prevention and non-toxic sealing.3. Small volume, large flow, high head pressure, suitable for long distance and high resistance quantitative transmission.4. After the frequency converter is configured, th

RockySea Petro Choke ValveThe strictest quality standards on Choke valve25 years Choke valve manufacturing experienceFull support on your customised requirementRockySea Petro Petro manufactures Choke valve in China. We have our own factory of Choke valve. RockySea Petro Petro provide the high quality and competitive price on Choke valve for you. Contact us now for Choke valve quotation.Description The choke valve is a type of control valve which is designed to accurately control the flow rate of the wellhead

‌RockySea Petro Common Sucker RodRockySea Petro can supply common sucker rods and pony rods which comply with intl standard. These sucker rods also have various types to fit different environments and applications. They are manufactured through many processes including the testing, straightening and forging. Sucker rods of RockySea Petro are made of high quality carbon steel and alloy steeldue to customer request. Oursucker rods are exported to the United States, Canada, Europe, Africa and Middle East, and we esta