Method for detecting and analyzing biomembrane on inner wall of oil field sewage pipe

Abstract

The invention discloses a method for detecting and analyzing a biomembrane on the inner wall of an oil field sewage pipe. In the invention, an inner ball valve arranged on the inner wall of the oil field sewage pipe is used for controlling; a protecting sleeve is in threaded connection with the ball valve; a sealing ring at the inner periphery of the protecting sleeve presses on a seal and is in threaded connection with a pressing cap with the protecting sleeve; a positioning screw arranged on the pressing cap passes through the pressing cap, the protecting sleeve and a sampler, wherein the sampler consists of a sampling rod inserted into the inner wall of the oil field sewage pipe in the center of the ball valve and a test sheet carrier arranged at the lower end of the sampling rod; a test sheet which is made from the same material and is used as the sewage pipe is hung on the inner wall of the oil field sewage pipe; and the biomembrane of the sewage pipe is detected through the test sheet. The period for detecting the biomembrane is over 14 days. The period for detecting the biomembrane can be prolonged according to the requirement on the thickness of the biomembrane. The detected biomembrane is analyzed and detected. Bacterium amount detection, strain identification total biomass detection and the detection on the activity inhabitation ability of bactericides on bacteria in the biomembrane are respectively performed on the detected biomembrane, and an adaptive bactericide is selected from the bactericides, so the aims of good sterilizing effect, small bactericide using amount and sewage treatment cost conservation are fulfilled.

Description

technical field [0001] The invention relates to a biofouling in-situ monitoring technology, in particular to a biofilm measurement and biofilm analysis method on the inner wall of an oil field sewage pipeline, and the content of corrosive microorganisms in the biofilm is obtained through the measurement and analysis of the biofilm , Bacteria distribution, total biomass, biofilm characteristics and composition, on this basis, screen the suitable high-efficiency biological fungicide and its dosage, so as to achieve the purpose of antisepsis with less fungicide dosage, good antiseptic effect and good economic benefits. Background technique [0002] In the oilfield sewage treatment system, microbial corrosion has seriously affected metal pipes and equipment, and has received more and more attention. Studies have shown that microbial corrosion is closely related to biofilm on the surface of equipment pipelines. In biofilms, microorganisms live in a microecological environment th...

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Problems solved by technology

[0007] The purpose of the present invention is to provide a biofilm measurement and biofilm analysis method on the inner wall of an oil field sewage pipeline, which overcomes the above-mentioned prior art that can only cultivate biofilm or a single bacterial species for analysis and cannot detect biofilm defects online

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