CPS 730 Cement Pumping Skid | Schlumberger

CPS-730

Cement pumping skid

The CPS-730 cement pumping skid is a twin-pump offshore cementing unit that provides cementing and pressure pumping capabilities in deepwater environments. Two General Electric (GE) motors provide a combined horsepower of 1,200 bhp. The motors drive two triplex pumps that deliver a maximum flow rate of 18.5 bbl/min and maximum pressure of 15,000 psi.

The mixing system enables cement slurries to be mixed at conventional rates. Cement mixing processes are fully automated, with autodensity control for consistent cement slurry properties and performance. Cement mixing and pressure pumping processes are fully remote controlled, with local operation available as backup.

The CPS-730 skid meets DNV-OS-A101 standards for operation in Zone 2 hazardous areas.

A CPS 730 cement pumping skid inside a manufacturing facility
CPS-730 cement pumping skid.

Applications

  • Cement slurry mixing and pumping on offshore rigs
  • High-pressure or high-rate pumping or both
  • High-pressure pumping and testing operations

Advantages

  • Improved access and maintenance with modular design
  • Reduced NPT because of complete redundancy with two independent power trains and system redundancy
  • Increased cement slurry mixing rates
  • SlurryAirSeparator mechanical cement slurry defoamer on mix tub
  • Consistent cement slurry properties and performance through automatic cement density control
  • Recirculation and downhole densitometers
  • Compliance with American Bureau of Shipping (ABS) certified drilling system (CDS) criteria  
  • Det Norske Veritas (DNV)-OS-E101 and DNV 2.7-3 certified
  • Electric-powered, twin-pump cement unit with combined horsepower of 1,200 bhp
  • Full data acquisition and control systems (DACS) acquisition system
  • Fully remote-controlled for all cementing and pressure pumping operations
  • Direct drive for low-rate pumping capability
  • Torque control for fine pressure control
  • Removable spacer between pump and power modules for installation in small spaces
  • Two triplex pumps with maximum working pressures of 15,000 psi and 6,667 psi, respectively, and total maximum pump rate of 18.5 bbl/min
  • Two 5×6 and one 4×5 centrifugal pump
  • Displacement tank agitators
  • Optional averaging skid with surge tank
  • Spreader bar and slings for offshore lifting
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