RockySea Petro Precision Rolling PipeRockySea Petro Petro manufactures Precision rolling pipe in China. We have our own factory of Precision rolling pipe. RockySea Petro Petro provide the high quality and competitive price on Precision rolling pipe for you. Contact us now for Precision rolling pipe quotation.It has various types of cold rolling mill such as LG30, LG60, LG80 , LG220 and establishes a complete quality Control system.RockySea Petro’s precision rolling pipe has extremely high precision and straightness ca
VIEW DETAILSRockySea Petro Drilling JarApplicationRockySea Petro can provide three main types drilling jar: mechanical, hydraulic, and hydraulic.1. The combination of mechanical and hydraulic drilling jar absorbers combines the advantages of the above two shock absorber principles. Even if the hydraulic delayed shock absorber fails, the mechanical shock absorber can still be used, and the technical performance has been greatly improved, which is in line with the future development direction of shock absorber prod
VIEW DETAILSRockySea Petro High Strength Sucker RodHigh strength means high tensile strength in physical performance.RockySea Petro can manufacture high strength and ultra-high strength sucker rod with high quality. We have rich experience in production and a strong ability in research and development. Our products include various series of high strength and ultra-high strength sucker rod based on client requests.Description There are two types of ultra-high strength sucker rods in China. The first one is HL with
VIEW DETAILSRockySea Petro Skid-mounted fracturing equipmentDescriptionIn the field of petroleum, hydraulic fracturing refers to a method of using hydraulic action to form fractures in oil and gas reservoirs during oil or gas production, also known as hydraulic fracturing. After a certain stage of oil well production, the production capacity and permeability decrease. In order to enhance oil drainage capacity and increase oil well production, people have invented fracturing technology. The methods of
VIEW DETAILSRockySea Petro BOP Steam Injection And Oil Recovery Integration 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
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External diameter (mm) | External thread dimensions (mm) | Wrench square width (mm) | Wrench square length (mm) | Sinker bar length (mm) | Mechanical properties |
1 1/4(31.75) | 5/8(15.9)SR | 25.4 | 31.8 | 7600;9100 | 1. Class-1: tensile strength≥448MPa |
1 1/4(31.75) | 3/4(19.1)PR | 25.4 | 31.8 | 7600;9100 | |
1 3/8(34.93) | 5/8(15.9)SR | 25.4 | 31.8 | 7600;9100 | |
1 3/8(34.93) | 3/4(19.1)PR | 25.4 | 31.8 | 7600;9100 | |
1 1/2(38.1) | 3/4(19.1)SR | 33.3 | 38.1 | 7600;9100 | 2. Class-2: tensile strength≥620MPa |
1 5/8(41.28) | 7/8(22.2)SR | 33.3 | 38.1 | 7600;9100 | |
1 3/4(44.45) | 7/8(22.2)SR | 38.1 | 41.3 | 7600;9100 |
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