High-Pressure Flow Control Equipment
Swivel Joint
Used in cementing, fracturing, acidizing and high-pressure flowlines to change line direction and provide flexible manifold connections.
API 6A / API 16C HIGH-PRESSURE FLOWLINE EQUIPMENT
Jiangsu Shimai Machinery Co., Ltd.
Manufacturer of API high-pressure flow control equipment and flowline manifold systems, including swivel joints, plug valves, hammer unions, pup joints, integral fittings and hose loops.
2020Founded
5600㎡Site Area
5,000-20,000 psiCold Working Pressure
1"-4"Nominal Size Range
Company Profile
Specialized Manufacturing for Oilfield High-Pressure Flow Control
Jiangsu Shimai Machinery Co., Ltd. is located in Jingjiang, Jiangsu Province. Established in 2020, the company covers 5,600 m2, with a building area of 3,800 m2, 30 sets of main manufacturing and inspection equipment, and 61 employees including 12 technical personnel.
The company focuses on R&D, design, manufacturing and service for oilfield high-pressure flow control equipment, flowline components and manifold assemblies. Shimai holds API Spec Q1 certification and API Spec 6A / API Spec 16C monogram licenses.
Main products include swivel joints, plug valves, hammer unions, pup joints, integral fittings, hose loops, choke valves, slab gate valves, check valves, pressure relief valves and H₂S service products.
Based on component manufacturing and system integration capability, Shimai supplies high-pressure drilling fluid manifolds, choke and kill manifolds, offshore high-pressure manifolds, fracturing manifolds and surface well testing manifold packages. The nominal size range is 1" to 4", with cold working pressure from 5,000 psi to 20,000 psi.
Its quality system covers product design, technical development, manufacturing, in-process inspection, final testing, sales and service, supporting drilling, cementing, logging, well testing, production, acidizing, fracturing and offshore high-pressure flowline operations.
Supported by API Spec Q1, API Spec 6A and API Spec 16C requirements, Jiangsu Shimai continues to improve product quality, manufacturing capability and service performance for the oilfield high-pressure flow control and flowline manifold sector.
High-Pressure Flow Control Equipment
Plug Valve
Used for on-off control in cementing, fracturing, acidizing and manifold systems, with union-end and threaded connection options.
High-Pressure Flow Control Equipment
Hammer Union
Used for quick connection and disassembly of rigid flowlines, covering threaded, welded and multiple Fig pressure-rated connection types.
High-Pressure Flow Control Equipment
Pup Joint
Rigid high-pressure flowline assemblies with union, flanged or threaded ends for high-pressure fluid transfer systems.
High-Pressure Flow Control Equipment
Integral Fittings
Used as high-pressure flowline connections for cementing, fracturing and acidizing equipment, including elbows, tees, crosses and reducing integral fittings.
Well Testing and Diverter Manifolds
Hose Loop
Composed of swivel joints and high-pressure pup joints for cementing, acidizing/fracturing, well testing and high-pressure flowline layouts.
Applications
Used in Drilling, Cementing, Logging, Well Testing, Production, Acidizing, Fracturing and Offshore Platforms
Oilfield DrillingCementingLogging ServiceWell Testing & ProductionAcidizing & FracturingOffshore Platforms
High-Pressure Mud Manifold
Overview of high-pressure mud manifold composition and function, including valve assemblies, slab gate valves, hammer unions, high-pressure hoses and rotary hoses.
New Union Connector Structure for Cementing Truck Swivel Joints
A technical introduction to a new union connector structure for swivel joints used on cementing trucks and mobile pumping units, including sealing features, field test results and batch application.
Improvement of Sealing Technology for 5,800 psi Swivel Joints
Analysis of low-pressure washout leakage in 5,800 psi swivel joints and sealing improvements using an elastic preloading element.
Burst Failure Analysis of Fracturing Truck Swivel Joints
Failure analysis of a fracturing truck swivel joint, including macro inspection, metallographic examination and SEM observation. The failure was identified as stress corrosion cracking initiated by severe manganese sulfide inclusions under tensile stress and chloride corrosion.
Process Measures to Improve Swivel Joint Body Service Life
Technical analysis of swivel joint body service conditions and failure causes, with process and structural improvements to extend service life while maintaining functional performance.
Forged Blank Manufacturing Process for Fracturing Manifold Swivel Joints
Manufacturing process for forged blanks of fracturing manifold swivel joints: through-bore blank turning, sand filling, heating, bending and forging, sand removal and quenching-tempering.
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