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Treatment process for microorganisms of drilling solid waste

A solid waste and microbial treatment technology, applied in biological water/sewage treatment, metallurgical wastewater treatment, water/sludge/sewage treatment, etc., can solve the problems of poor mobility, strong ability, good effect, easy to decompose nutrients The effect of high content

Inactive Publication Date: 2019-08-02
CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a microbial treatment process for drilling solid waste aimed at the above-mentioned defects and deficiencies in the prior art. This method can effectively solve the problems of fixed drilling solid waste microbial treatment pool, poor mobility, and the treatment process. The problems of oxygenation and humidification in the environment can complete the degradation process in a short time, so that the mixture can reach the national soil level 3 standard and eliminate environmental risks

Method used

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  • Treatment process for microorganisms of drilling solid waste

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Embodiment 1

[0026] As a preferred embodiment of the present invention, it discloses a microbial treatment process for drilling solid waste. First, strain cultivation: microbial degrading bacteria are cultivated and domesticated to obtain degrading strains; secondly, preparing the drilling solid waste mixture: by volume Ratio, 0.5-1 part of soil, 0.001-0.005 part of bacteria and 0.5-1.5 part of rice bran are added to 1 part of drilling solid waste to form a mixture of drilling solid waste, wherein the moisture content of the soil is 35 % or less; Then, implement the treatment process according to the following steps:

[0027] a. Prepare a tank for treating drilling solid waste microorganisms;

[0028] b. Lay multiple horizontal pipes on the bottom of the tank, and perforate the horizontal pipes;

[0029] c, laying cobblestones at the bottom of the jar, the laying thickness of the cobblestones is greater than the pipe diameter of the horizontal pipe;

[0030] d. Laying the prepared drilli...

Embodiment 2

[0034] As another preferred embodiment of the present invention, it discloses a drilling solid waste microbial treatment process, first of all, strain cultivation: microbial degradation bacteria are cultivated and domesticated to obtain degrading strains; secondly, the drilling solid waste mixture is prepared: In terms of volume ratio, add 0.5-1 part of soil, 0.001-0.005 part of bacteria and 0.5-1.5 part of rice bran to 1 part of drilling solid waste to form a mixture of drilling solid waste, wherein the moisture content of the soil Below 35%; Then, implement the treatment process according to the following steps:

[0035] a. Prepare a tank for treating drilling solid waste microorganisms;

[0036] b. Lay multiple horizontal pipes on the bottom of the tank, and perforate the horizontal pipes;

[0037] c, laying cobblestones at the bottom of the jar, the laying thickness of the cobblestones is greater than the pipe diameter of the horizontal pipe;

[0038] d. Laying the prepa...

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Abstract

The invention discloses a treatment process for microorganisms of drilling solid waste. The treatment process is characterized by comprising the steps: firstly, carrying out bacterial culture; secondly, preparing a drilling solid waste mixture; then, carrying out the treatment process according to the following steps: a, preparing a jar for treating microorganisms of the drilling solid waste; b, laying a plurality of horizontal tubes at the bottom of the jar, and perforating the horizontal tubes; c, laying pebbles at the bottom of the jar, wherein the laying thickness of the pebbles is largerthan the diameter of the horizontal tubes; d, laying the prepared drilling solid waste mixture on the pebbles; e, placing a humidity sensor and an oxygen sensor in the drilling solid waste mixture. Byadopting the method, the problems of fixedness and poor mobility of a microbial treatment tank of the drilling solid waste, and the oxygenation and humidification in the treatment process can be effectively solved, and the degradation process can be completed in a relatively short time, so that the mixture reaches the national soil level III standard, and environmental risks are eliminated.

Description

technical field [0001] The invention relates to the technical field of oil drilling solid waste treatment, in particular to a process method for treating drilling solid waste by using microorganisms. Background technique [0002] A large amount of drilling solid waste will be produced during oil and gas exploration and drilling. According to statistics, each well will produce 1000-2000 m 3 of drilling solid waste (approximately 0.35 m 3 about). Drilling solid waste contains clay, drilling cuttings, weighting materials, chemical additives, inorganic salts and oils, etc. Environmental pollution hazards and other characteristics. At present, biological treatment technology has been widely used in the harmless treatment of drilling solid waste. For example, the publication number is CN104086065A, and the Chinese patent literature published on October 8, 2014 discloses a microbial treatment process for oil and gas drilling waste mud, which relates to the technical field of o...

Claims

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Application Information

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IPC IPC(8): C02F3/34C02F103/16
CPCC02F3/34C02F2103/16
Inventor 陈立荣刘汉军蒋学彬黄敏刘石李辉舒畅彭远春何天鹏余思源周鋆张敏张薇李盛林孟召伟胡燕
Owner CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD
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