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Drilling solid waste biodegradation device and collected liquid collecting and recycling method thereof

A biodegradation and drilling technology, applied in chemical instruments and methods, biological water/sewage treatment, mining wastewater treatment, etc., can solve the problem of multiple installations of horizontal pipes and horizontal pipes, difficulty in collecting liquid collection, increased workload and investment costs, etc. problems, to achieve the effect of reducing construction raw materials and workload, speeding up liquid flow, and saving construction investment costs

Pending Publication Date: 2020-12-18
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. There is no slope at the bottom of the degradation stacking pool, it is difficult to collect liquid, the effect of collecting liquid is poor, and it increases the difficulty of collection;
[0007] 2. There are many horizontal pipes and horizontal pipes, which are cumbersome and uneconomical to install, and make it difficult to collect liquid;
[0008] 3. The stones, non-woven fabrics and sand that need to be laid in the degradation storage pool not only increase the workload and investment costs, but also occupy the volume of the degradation storage tank

Method used

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  • Drilling solid waste biodegradation device and collected liquid collecting and recycling method thereof
  • Drilling solid waste biodegradation device and collected liquid collecting and recycling method thereof
  • Drilling solid waste biodegradation device and collected liquid collecting and recycling method thereof

Examples

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Embodiment 1

[0021] In an exemplary embodiment of the present invention, the drilling solid waste biodegradation device includes a biological treatment mixture layer, a clean soil layer, a vegetation layer, a degradation storage tank, an anti-seepage membrane, a liquid collection pipe and a drainage pipe.

[0022] The degradation stacking pool includes a pool wall and a pool bottom, and the anti-seepage film (for example, the anti-seepage coefficient is less than 1×10 -10 cm / s non-woven geotextiles and / or high-density polyethylene geotextiles) are covered on the bottom of the pool and the pool wall, which can prevent the leachate (hereinafter referred to as the collection) of the biological treatment mixture layer from seeping out of the degradation storage pool.

[0023] The biological treatment mixture layer is arranged in the degradation storage tank (for example, stacked in the degradation storage tank), and is isolated from contact with the tank wall and the tank bottom by the anti-see...

Embodiment 2

[0041] In an exemplary embodiment of the present invention, as figure 1 , figure 2 and image 3 As shown, the drilling solid waste biodegradation device includes a degradation storage tank 1 , an anti-seepage membrane 2 , a liquid collection pipe 3 , a catheter 4 , a biological treatment mixture layer 5 , a clean soil layer 6 , and a vegetation layer 7 .

[0042] The degradation stacking pool 1 includes a pool wall and a pool bottom. The bottom of the pool includes horizontal (such as figure 1 The left and right directions in the middle) set the groove with an inclination of 1%, the longitudinal direction (such as figure 1 The up and down direction in the groove) is inclined towards the first liquid collecting surface with an inclination of 3%, and the longitudinal direction (such as figure 1 The up and down direction in the groove) is inclined towards the second liquid collecting surface with an inclination of 3%. The pool wall has an inclination of 60%, and the include...

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Abstract

The invention provides a drilling solid waste biodegradation device and a collected liquid collecting and recycling method thereof, and relates to the field of oil and gas exploration drilling solid waste biodegradation treatment. The device comprises a biological treatment mixture layer, a clean soil layer, a vegetation layer, a degradation stacking pool, an impermeable film, a liquid collectioncollecting pipe and a liquid guide pipe. The bottom of the degradation stacking pool comprises a groove with the inclination degree of 1%, a first liquid collecting face with the inclination degree of2-3% towards the groove and a second liquid collecting face with the inclination degree of 2-3% towards the groove. And the impermeable film completely covers the degradation stacking pool. The liquid collection collecting pipe with a first through hole in the pipe wall is mounted in the groove, one end of the liquid guide pipe is connected with the liquid collection collecting pipe, and the other end is higher than the surface of the degradation stacking pool. According to the method, the device is used, and the collected liquid in the liquid guide pipe is sucked and sprayed to the surface of the degradation stacking pool to be collected and recycled. The device has the beneficial effects that the collected liquid can be collected and reused, and degradation of drilling solid waste is accelerated.

Description

technical field [0001] The invention relates to a biological treatment and degradation facility for oil and gas exploration and drilling solid waste, in particular to a biodegradation device for oil and gas exploration and drilling solid waste. Background technique [0002] A large amount of water-based solid waste will be generated during the conventional drilling of oil and gas exploration, which is usually called drilling solid waste. The amount of drilling solid waste in Southwest oil and gas fields is generally 0.3-0.4m per meter. 3 . These drilling solid wastes are mainly composed of drilling cuttings, waste sludge generated during dredging of drilling fluid tanks and square wells, waste drilling fluid, sludge generated during wastewater treatment, and solid waste from sand and desilter devices. Complex, high solid content, high organic content, high pH, ​​strong adhesion, deep color, low harmful heavy metals, etc. Improper disposal will cause greater environmental po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F3/34C02F103/10
CPCC02F3/34C02F3/32C02F2103/10
Inventor 李辉陈立荣何天鹏蒋学彬张敏干汉川刘汉军闫瑞景李盛林徐梓培文炜涛张薇吴思斯
Owner BC P INC CHINA NAT PETROLEUM CORP
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