Bacterium capable of reducing crude oil viscosity
A crude oil and viscosity technology, applied in the direction of bacteria, microorganism-based methods, microorganisms, etc., can solve the problems of difficult to realize economical and effective exploitation of oil reservoirs, restrict industrial applications, and high viscosity of reservoir oil, so as to improve oil recovery and improve oil recovery. Mobility, effects of increased porosity and permeability
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[0010] Specific embodiment one: the bacterium that reduces the viscosity of crude oil in this embodiment is Pseudomonas sp. Hd-DN-2-1, belongs to Pseudomonas (Pseudomonas), and has been preserved in the Chinese typical culture Central preservation, the preservation number is CCTCC No: M 2010341, and the preservation date is December 09, 2010; it is a Gram-negative bacterium, rod-shaped, 1.5-4 μm in length and 0.5-1 μm in width; cultured in beef extract peptone Colorless and transparent colonies are formed on the base, round, 0.5-1mm in diameter, with smooth surface and neat edges.
[0011] In this embodiment, Pseudomonas sp. Hd-DN-2-1 is routinely identified according to the "Bergey's Bacteriological Identification Handbook". The experimental results are: using glucose, using xylose, and using mannose Alcohol, using arabinose, using citrate, using nitrate, using ammonium nitrogen, lecithinase test negative, lactose test negative, hydrogen sulfide production test negative, cell...
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