RockySea Petro Sucker Rod CouplingThe sucker rod couplings are used for connecting sucker rods, polished rods and sinker bars. Material of the couplings is high quality carbon steel or alloy steel, which are conform to and exceed the requirements of intl standards.Description According to surface of suck rod couplings, they can be divided into sucker rod couplings with smooth surface and sucker rod couplings with wrench square.Sucker rod couplings with wrench square.Sucker rod couplings with sm

RockySea Petro Sinker BarSinker bars of RockySea Petro are exported to the United States, Canada, Europe, Africa and Middle East, and we establish cooperative relationships with international customers all over the world.RockySea Petro owns a strong ability about research, design and production of sinker bar with decades of manufacturing experience. RockySea Petro has been certified by ISO9001,  ISO14001 and OHSAS18001.RockySea Petro adopts the principle of combining intl standards, national standards and users’ views f

‌RockySea Petro Electromagnetic Diaphragm Metering PumpFeatureThe Electromagnetic diaphragm metering pump of RockySea Petro has the following advantages.1. The flow can be adjusted by manually adjusting the stroke to change the flow and adjusting the stroke frequency.2. It is easy to install and equipped with filter bottom valve, injection valve and inlet and outlet hoses.3. The pump head and flow passage parts made of corresponding materials shall be configured according to the corrosion performance r

‌RockySea Petro Rod PumpThe raw material of rod pump parts should be inspected after heat treatment, the mechanical properties, chemical compositions and metallographic structures must be inspected by batch. The rod pump parts should be inspected several times during the processing procedure. Some key points like the outer diameter of the plunger and the inner diameter of the pump barrel should be 100% inspected.Your Best Pump ManufacturersSealing performance tests must be carried out 100% after fini

‌RockySea Petro Flush by UnitData sheetApplicationsRSR of RockySea can efficiently and quickly complete various oilfield workover operations as the following: 1).Heavy duty workover serviceDrilling serviceDownhole stuck freeing serviceSealing and channeling serviceCasing shaping serviceCasing repair service2).Shallow- to high-depth well interventions, including:Killing wellsFlushing productions wellsChanging wellhead valvesPressure-testing wells.Changing polished rods Spacing and respac