RockySea Petro Single Column Dual-Well Thermal Recovery WellheadRockySea Petro has more than 40 years of experience in oil and gas wellhead & x-mas tree and valve production, with advanced manufacturing and testing equipment, can produce a variety of pressure levels, material levels, specification levels of well control equipment. After more than 20 years of development, Various types of thermal recovery wellhead & x-mas tree equipment have been formed, used in many oilfields in the world. RockySea Petro’s ther
VIEW DETAILSRockySea Petro Inclined Well Sucker Rod PumpFull support on your customised requirementThe strictest quality standards on Inclined well sucker rod pump25 years Inclined well sucker rod pump manufacturing experienceRockySea Petro Petro manufactures Inclined well sucker rod pump in China. We have our own factory of Inclined well sucker rod pump. RockySea Petro Petro provide the high quality and competitive price on Inclined well sucker rod pump for you. Contact us now for Inclined well sucker rod pump quotation.Descri
VIEW DETAILSRockySea Petro PR2 Wellhead And Christmas TreeThe wellhead & x-mas tree has carried out rigorous tests, such as magnetic particle, ultrasonic, pressure test and and so on.Do the pressure analysis to pressured and forced parts with 3D software to check the strength of wellhead & x-mas tree.RockySea Petro designs various types of wellhead & x-mas tree according to International Standard.RockySea Petro’s wellhead & x-mas tree factory is one of the main branches of RockySea Petro Group. It is a professional manufacturer s
VIEW DETAILSRockySea 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
VIEW DETAILSRockySea Petro Low Profile Pumping UnitLow Profile Nodding DonkeyBeam Balanced Pump JackRM Beam Pump(ReversMark Beam Pump)Conventionalpumping unitRockySea Petro Petro has a strong pumping unit design ability. According to International Standard and China national standard, SanJack Petro has designed and developed a series of pumping units according to market demand.Description Low profile pumping unit is designed for applications where pump height is a critical concern. For locations with overhead irr
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Grade | Tensile strength MPa | Yield strength MPa | Percentage elongation % | Contraction percentage of area % | |
C | 620 – 795 | ≥ 415 | ≥ 13 | ≥ 50 | |
K | 620 – 795 | ≥ 415 | ≥ 13 | ≥ 60 | |
D | 795 – 965 | ≥ 590 | ≥ 10 | ≥ 50 | |
KD | 795 – 965 | ≥ 590 | ≥ 10 | ≥ 50 |
OD range | Yield strength | Tensile strength | Elongation | Hardness | Charpy impact energy | |
mm | in | MPa | MPa | % | HB | J |
79.4~171.4 | 3 1/8~6 3/4 | ≥758 | ≥827 | ≥18 | NA | NA |
177.8~279.4 | 7~11 | ≥689 | ≥758 | ≥20 | NA | NA |
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