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
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 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 Sucker Rod Guide CentralizerIn oilfield operation, pumping jack and PCP(Progressive Cavity Pumping) systems increase operational costs associated with rod&tubing friction and paraffin deposition in production tubing. RockySea Petro has developed a series of rod guides which are also called rod centralizer that are molded directly onto the rod body to control this threat. Our rod guides for pumping jack and PCP applications come in a wide range of materials and are specifically designed to me
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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Country of Origin: China
Nominal OD: 4 3/4” (4.750”) to 9” 1/2” (8.500”)
Nominal ID: 2.250” to 3” (3.000”)
Material Grade: AISI 4145H Modified
Nominal Weight: 45.00# to 144#
Nominal Wall Thickness: 3.250”
Drift Size: 2.125” to 2.875”
Manufacturing Criteria: NS-1
Relevant tool joint Parameters
Connection: NC38, Regular, REG
Bend Stress Ratio: 1.920 to 3.061
OD: 4 3/4” (4.750”) to 9”1/2” (9.500”)
ID: 2.563” to 3” (3.000”)
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