Bifuel Fracturing Pumps

Reducing emissions and improving performance

Bifuel fracturing pumps run on a combination of diesel and liquefied natural gas (LNG), compressed natural gas (CNG), or natural gas to reliably deliver fluid and proppant into a well for hydraulic fracturing or acid stimulation.

These pumps deliver 2,000 HHP at pressures up to 15,000 psi (103.4 MPa), providing the same performance as our conventional diesel-powered pump.  Using natural gas, the proven bifuel pumps reduce diesel consumption and nearly double run rates over conventional diesel-powered pump, reducing environmental impact and increasing wellsite efficiency. 

Technical Data

Typical Pump Specifications

Engine

2,250 to 2,500 BHP 

Transmission

Allison 9800 or Caterpillar CX-48 

Pump

Triplex: 4- to 53/4-in   /  (101.6- to 146.1-mm) fluid ends  /  Quintaplex: 41/2- to 51/2-in.  /  (101.6- to 146.1-mm) fluid ends  

Instruments and controls

Universal Engine Controller III 

Performance

2,000 to 2,250 HHP  

Pressure

Up to 15,000 psi (103.4 MPa) depending on fluid end size

Rates

Up to 22 bbl/min (4.0 m3/min)  

Maximum substitution rate

70% gas/30% diesel 

Fuel capability

100% diesel or natural gas and diesel mixture 

Natural gas sources

LNG, CNG, or line gas 

Natural gas quality requirements (tolerance)

Minimum/maximum LHV

900-1300BTU/ft3

Sulfur (H2S)

<20 ppm

Wobbe index

>900 

Methane (CH4)

>92% of the total NG mixture

Nonmethane hydrocarbons (NMHC)

<8% of the total NG mixture

Gas temperature**

50–131ºF (10–55°C)

Emissions (g/hp-hr)

NMHC

Tier 2 compliant (undergoing further testing)

Nitrogen Oxides (NOX) / Carbon monoxide (CO)

Approximately zero with diesel oxidation catalyst (DOC)