SGJ350-25 Twin pump cementing truck
The SGJ350-25 Twin Pump Cementing Truck (GJC70-25) is a high-performance, twin-engine twin-pump cementing unit engineered for deep oil and gas well cementing operations requiring high pressure, large displacement, and long-duration continuous pumping. As part of SJ Petro’s SGJ350-2500 series diesel-driven cementing equipment family, this truck represents the culmination of over three decades of continuous engineering refinement.
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STP400 Plunger pump
The STP400 Plunger Pump is a high-performance, heavy-duty triplex plunger pump engineered for intermittent well service applications including cementing, acidizing, fracturing, sand control, and well killing. Built on SJ Petro's decades of pumping expertise, the STP400 delivers the pressure, displacement, and reliability that oilfield operators demand.
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Cement tank and bulk system
A cementing operation is only as reliable as the dry material supply that feeds it. SJ Petro‘s Cement Tank and Bulk System provides the complete dry material storage, transport, and transfer infrastructure that every cementing spread requires—from vertical cement silos and portable cement tanks to pneumatic blowers and bulk transfer systems. Engineered for efficiency, durability, and seamless integration with SJ Petro’s cementing units, our bulk systems ensure that dry cement, barite, bentonite, and other granular materials are always available when and where you need them.
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SXJ350D(XJ900) workover rig (Electric drive)
The SXJ350D (XJ900) Electric Drive Workover Rig represents a major leap forward in heavy-duty well servicing—delivering 90-ton hook load capacity with full electrification, advanced automation, and significant energy savings. This is the world‘s first full-electric drive automated workover rig in its class, setting a new benchmark for the industry.
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About Us
SJ Petroleum Machinery Co. (SJ for short), one of the backbone enterprises of petroleum drlling and production equipment inChina, was established in 1941 with 84 years of experience up to now Located in Jingzhou, a historical and cultural ancient city inHubei, SJ is mainly engaged in research, development, manufacturing and service of land and offshore oilgas exploration anddevelopment equipment covering driling equipment, cementing equipment, workover equipment, fracturing equipment. coiled tubingunits, snubbing rigs, offshore equipment and high pressure fuid control products.
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2026-06-11High-Pressure Fracturing Fleets for Unconventional Reservoir Stimulation – Boosting Hydrocarbon Recovery from Tight FormationsSJ’s high-pressure fracturing fleets pump fluid and proppant into tight shale, sandstone, or carbonate formations at up to 15.000 psi. They create conductive fractures, dramatically increasing reservoview more > -
2026-06-11Versatile Workover Rigs for Well Intervention, Maintenance & Recompletion – Restore or Enhance Production in Mature FieldsSJ’s workover rigs perform tubing replacement, downhole pump repairs, sand cleanout, fishing, and zone recompletion. They are built for mature fields where production has declined – getting you back tview more > -
2026-06-11Reliable Cementing Equipment for Primary & Secondary Operations – Zonal Isolation & Well Integrity in Complex BoreholesSJ’s cementing equipment handles primary casing cementing, secondary squeeze jobs, and plug abandonment across onshore and offshore wells. Even in high-pressure, high-temperature or lost-circulation zview more > -
2026-06-11High-Performance Drilling Equipment for Onshore & Offshore Well Construction, Deep & Directional DrillingSJ’s drilling rigs handle everything from shallow onshore wells to 9.000m deep directional holes and offshore platform drilling. They are field-proven in desert, arctic, jungle and marine environmentsview more >
Why Choose Us
SJ Petroleum Machinery Co.Ltd is one of China key enterprises in the research and development of petroleum drilling and production equipment. The company is primarily engaged in the research, development, manufacturing, and service of onshore and offshore oil and gas exploration and development equipment. Its main products include drilling equipment, cementing equipment, workover equipment, fracturing equipment, coiled tubing equipment, snubbing equipment, offshore equipment, and high-pressure fluid control products, among others.
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