CN112225589A - Method for treating humus soil of well drilling waste compost - Google Patents
Method for treating humus soil of well drilling waste compost Download PDFInfo
- Publication number
- CN112225589A CN112225589A CN202011182136.0A CN202011182136A CN112225589A CN 112225589 A CN112225589 A CN 112225589A CN 202011182136 A CN202011182136 A CN 202011182136A CN 112225589 A CN112225589 A CN 112225589A
- Authority
- CN
- China
- Prior art keywords
- mud
- soil
- drilling
- humus soil
- treating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Tropical Medicine & Parasitology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for treating humus soil by using drilling waste compost, which relates to the technical field of oil field drilling and comprises a first step of carrying out solid-liquid separation on drilling mud. According to the method for treating the drilling waste compost humus soil, the drilling mud is treated through the first step, the second step, the third step, the fourth step, the fifth step and the sixth step, so that the drilling mud meets the control index requirements of GB15618-2018 on agricultural soil pollution risk control standards of soil environmental quality, the content of organic matters in soil fertility exceeds 8%, and the soil treated by the method can be used for multiple purposes such as planting to a certain extent, and therefore the problem that most of drilling wastes, namely mud and mud cakes, are often piled up in large quantities and left unused after treatment, and then secondary pollution, namely dust pollution is easily caused, and even a small amount of secondary utilization is only simple utilization such as pit filling, roadbed paving and the like, and further soil resource waste is caused to a certain extent is solved.
Description
Technical Field
The invention relates to the technical field of oil field drilling, in particular to a method for treating humus soil by using drilling waste compost.
Background
The oil-gas field is divided into 3 types according to the geological factors controlling the oil-gas production area, namely a tectonic oil-gas field, namely an oil-gas production area controlled by a single constructional factor, such as folds and faults, a stratigraphic oil-gas field, an oil-gas containing area controlled by a stratigraphic factor (such as unconformity, pinch-out and lithologic change of the stratigraphic layer) on the background of a regional anticline or monoclinic structure, a composite oil-gas field, an oil-gas production area which is not controlled by a single constructional factor or stratigraphic factor and is controlled by a plurality of geological factors, and the exploitation of the oil field inevitably produces mud and mud cakes after mud drying, and the mud and mud cakes have certain harm, the method has the advantages that the harmless treatment must be carried out on the mud generated in the oilfield operation, but most of the drilling waste, namely the mud and mud cakes, are often piled up in large quantities and left unused after the treatment, so that the secondary pollution, namely the pollution of flying dust and the like, is easily caused, the small quantity of secondary utilization is only simply utilized such as pit filling, road bed paving and the like, and further the waste of soil resources is caused to a certain extent, so that the method for treating the drilling waste compost humus soil is provided to solve the problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for treating humus soil by using drilling waste compost, which solves the problem that most of the drilling waste, namely mud and mud cakes, are often piled up in large quantities and left unused after treatment, so that secondary pollution, namely dust emission and other pollution are easily caused, and even a small amount of pollution is simply utilized for filling pits, paving road beds and the like, so that soil resources are wasted to a certain extent.
(II) technical scheme
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a drilling waste compost humus soil treatment method comprises a first step, wherein the first step is to carry out solid-liquid separation on drilling mud, the first step is connected with a second step, the second step is to crush mud cakes subjected to solid-liquid separation, dry fresh cow dung for standby and crush straws, the second step is connected with a third step, the third step is to uniformly stir and mix cow dung, crushed straws, crushed mud cakes, special biological strains and strain culture solution through a stirrer and carry out long-strip stack compost maturity, the third step is connected with a fourth step, the fourth step is a compost maturity period, the fourth step keeps the temperature of a humus soil stack to be more than 75 ℃, the stack is turned once every three days for more than 20 days until the temperature of the humus soil stack is reduced to be less than 40 ℃, the fourth step is connected with a fifth step, the fifth step lasts for 3 days after the temperature is reduced to be less than 40 ℃, and (5) performing secondary decomposition on the large pile for 7 days, wherein the fifth step is connected with the sixth step, and the sixth step is to wait for the temperature of the humus soil pile to be reduced to the normal temperature, namely the humus soil is finished.
Preferably, the solid-liquid separation standard in the first step is that the water content of the mud cake is less than or equal to 65%, the PH is 6-9, the hexavalent chromium of the mud cake leachate is less than or equal to 0.1mg/L, the total chromium is less than or equal to 1.5mg/L, the total arsenic is less than or equal to 0.5mg/L, the total lead is less than or equal to 1.0mg/L, and the total salt content is less than or equal to 2000 mg/L.
Preferably, the mud cakes and straws in the second step are crushed to have the grain size of less than or equal to 5mm according to the standard.
Preferably, the mixing ratio of the mud cake crushed particles to the air-dried fresh cow dung and the mixing ratio of the mud cake crushed particles to the crushed straw particles in the third step are both 4:1, the adding ratio of the specially-made biological promotion in the third step is 0.5%, and the adding ratio of the strain nutrient solution in the third step is 1%.
Preferably, the temperature detection in the fourth step is 8:00, 14:00 and 20:00 measurements per day.
Preferably, the specially-produced biological strain is a strain specially developed by eight agricultural reclamation universities in Heilongjiang for biological treatment of drilling mud filter cakes in Daqing areas
(III) advantageous effects
The invention has the beneficial effects that:
according to the method for treating the drilling waste compost humus soil, the drilling mud is treated through the first step, the second step, the third step, the fourth step, the fifth step and the sixth step, so that indexes such as heavy metal, pH value and the like of a drilling mud cake meet relevant indexes of DB23/T693-2000 waste drilling fluid treatment standard, the indexes of GB15618-2018 related pollution control indexes of agricultural soil in soil pollution risk control standard of soil environment quality and agricultural land are met, meanwhile, the content of organic matters in soil fertility exceeds 8%, the soil treated by the method can be used for multiple purposes such as planting and the like to a certain extent, the actual effect of the method is ideal, and the problems that most drilling wastes, namely mud and mud cake, are often piled up in large quantities and left unused after treatment, so that secondary pollution, namely, raise dust and other pollution, are only filled in pits and the like even if a small amount of secondary utilization is achieved are achieved, Paving a roadbed and the like, and further causing the waste of soil resources to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the flow structure of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: a method for treating humus soil in compost of drilling wastes comprises a first step of solid-liquid separation of drilling mud, and aims to obtain a dry mud cake and further ensure the next step of the method, wherein the first step is connected with a second step of crushing the mud cake after the solid-liquid separation, airing fresh cow dung for standby and crushing straws, and aims to ensure the full mixing of the used articles in the method and further ensure the ideal actual effect of the method, the second step is connected with a third step of uniformly stirring and mixing cow dung, crushed straws, crushed mud cake, specially-made biological strains and strain culture solution by a stirrer, and decomposing long-strip compost, wherein the uniform stirring aims to ensure the uniform dispersion of specially-made biological strains in the soil dung and further ensure that the strains can play a role in all aspects, the third step is connected with a fourth step, the fourth step is a compost rotting period, the fourth step keeps the temperature of the humus soil heap to be more than 75 ℃, the humus soil heap is turned once every three days for more than 20 days until the temperature of the humus soil heap is reduced to be less than 40 ℃, the aim is to ensure that the strains can thoroughly play a role in practical use, the fourth step is connected with a fifth step, after the temperature of the fifth step is reduced to 40 ℃, the fifth step is continued for 3 days, the large heap is formed for secondary rotting, the second step lasts for 7 days, the fifth step is connected with a sixth step, and the sixth step waits for the temperature of the humus soil heap to be reduced to normal temperature, namely the humus soil.
The first solid-liquid separation standard in the step is that the water content of a mud cake is less than or equal to 65%, the PH is 6-9, hexavalent chromium of a mud cake leachate is less than or equal to 0.1mg/L, the total chromium is less than or equal to 1.5mg/L, the total arsenic is less than or equal to 0.5mg/L, the total lead is less than or equal to 1.0mg/L, and the total salt content is less than or equal to 2000mg/L, so that the mud produced by drilling is treated by the method to meet the heavy metal of the mud cake in drilling operation, and indexes such as the PH value and the like meet the relevant indexes of DB23/T693-2000 waste drilling fluid.
And step two, the mud cakes and the straws are crushed to have the grain diameter of less than or equal to 5mm according to the crushing standard, so that the mud cakes can be fully matched with specially-prepared strains to ensure that the method can play a practical and rational effect.
The mixing ratio of the mud cake crushed particles to the air-dried fresh cow dung in the third step and the mixing ratio of the mud cake crushed particles to the crushed straw particles are both 4:1, the adding ratio of the specially-made biological jin in the third step is 0.5%, and the adding ratio of the strain nutrient solution in the third step is 1%, so that the ideal actual effect of the method is ensured.
Temperature measurements in step four were taken at 8:00, 14:00, 20:00 days for the purpose of continuous understanding of the humus heap temperature.
The special biological strain is specially developed for the drilling mud filter cake biological treatment in Daqing area by the university of eight agricultural cultivations in Heilongjiang, and aims to ensure the ideal effect of the method on the drilling mud treatment.
The method comprises the following operation steps:
firstly, executing a first step, performing harmless solid-liquid separation treatment on drilling operation slurry, then executing a second step, crushing mud cakes, crushing straws and preparing air-dried fresh cow dung, further executing a third step, mixing the crushed mud cakes and the air-dried fresh cow dung according to a ratio of 4:1, simultaneously mixing the crushed mud cakes and the crushed straws according to a ratio of 4:1 again, stirring the mixture uniformly by a mixer, adding special biological strains according to a ratio of 0.5 percent in the stirring process, adding strain nutrient solution according to a ratio of 1 percent, then decomposing the mixed solid long-strip piled compost, further executing a fourth step, namely measuring the temperature of the piled soil at the earlier stage of 8:00, 14:00 and 20:00 every day, enabling the temperature of the compost to reach about 75 ℃, turning the compost once every 3 days, continuously decomposing the compost for 20 days, further executing a fifth step when the temperature is reduced to be below 40 ℃, the secondary decomposition is carried out, the secondary decomposition needs 7 days, the step six is carried out after seven days are finished, the humic soil is finished, the finished humic soil meets the requirement of GB15618-2018 on the control index of the agricultural soil related pollutants in the soil environment quality agricultural land soil pollution risk control standard, the organic matter content in the soil fertility exceeds 8%, and then the shell is used for planting operation by using the treated soil, so that the secondary pollution is avoided, and the secondary utilization purpose is increased.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for treating well drilling waste compost humus soil comprises the following steps: the first step is to separate the drilling mud from liquid, the first step is connected with a second step, the second step is to crush mud cakes after the solid-liquid separation, dry fresh cow dung for standby and crush straws, the second step is connected with a third step, the third step is to uniformly stir and mix cow dung, crushed straws, crushed mud cakes, special biological strains and strain culture solution through a stirrer and to decompose long-strip piled compost, the third step is connected with a fourth step, the fourth step is a compost decomposition period, the fourth step is to keep the temperature of the humus pile above 75 ℃, turn the pile once every three days for more than 20 days until the temperature of the humus pile is reduced to below 40 ℃, the fourth step is connected with a fifth step, the fifth step is to carry out secondary decomposition after the temperature is reduced to 40 ℃ and lasts for 3 days, then the big pile is lifted to carry out secondary decomposition for 7 days, the fifth step is connected with a sixth step, and step six, waiting for the temperature of the humus soil pile to be reduced to normal temperature, namely finishing the humus soil.
2. The method for treating the drilling waste compost humus soil as claimed in claim 1, wherein the method comprises the following steps: the first step of solid-liquid separation standard is that the water content of the mud cake is less than or equal to 65 percent, the PH is 6-9, the hexavalent chromium of the mud cake leachate is less than or equal to 0.1mg/L, the total chromium is less than or equal to 1.5mg/L, the total arsenic is less than or equal to 0.5mg/L, the total lead is less than or equal to 1.0mg/L, and the total salt content is less than or equal to 2000 mg/L.
3. The method for treating the drilling waste compost humus soil as claimed in claim 1, wherein the method comprises the following steps: and in the second step, the mud cakes and the straws are crushed to have the grain size of less than or equal to 5mm according to the crushing standard.
4. The method for treating the drilling waste compost humus soil as claimed in claim 1, wherein the method comprises the following steps: the mixing ratio of the mud cake crushed particles to the air-dried fresh cow dung in the third step and the mixing ratio of the mud cake crushed particles to the crushed straw particles are both 4:1, the adding ratio of the special biological jin in the third step is 0.5%, and the adding ratio of the strain nutrient solution in the third step is 1%.
5. The method for treating the drilling waste compost humus soil as claimed in claim 1, wherein the method comprises the following steps: the temperature measurements in the fourth step were 8:00, 14:00, 20:00 measurements per day.
6. The method for treating the drilling waste compost humus soil as claimed in claim 1, wherein the method comprises the following steps: the special biological strain is specially developed for the biological treatment of the drilling mud filter cake in Daqing area by the university of eight agricultural cultivations of Heilongjiang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182136.0A CN112225589A (en) | 2020-10-29 | 2020-10-29 | Method for treating humus soil of well drilling waste compost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182136.0A CN112225589A (en) | 2020-10-29 | 2020-10-29 | Method for treating humus soil of well drilling waste compost |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112225589A true CN112225589A (en) | 2021-01-15 |
Family
ID=74121517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011182136.0A Pending CN112225589A (en) | 2020-10-29 | 2020-10-29 | Method for treating humus soil of well drilling waste compost |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112225589A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135799A (en) * | 2021-05-25 | 2021-07-20 | 宁夏润地农牧科技有限公司 | Process method for producing sand control water-retaining agent by using water-based drilling rock debris |
| CN115239209A (en) * | 2022-09-21 | 2022-10-25 | 深圳市同创环保科技有限公司 | Method, equipment and system for screening heavy metal-containing humus soil in refuse landfill |
-
2020
- 2020-10-29 CN CN202011182136.0A patent/CN112225589A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135799A (en) * | 2021-05-25 | 2021-07-20 | 宁夏润地农牧科技有限公司 | Process method for producing sand control water-retaining agent by using water-based drilling rock debris |
| CN115239209A (en) * | 2022-09-21 | 2022-10-25 | 深圳市同创环保科技有限公司 | Method, equipment and system for screening heavy metal-containing humus soil in refuse landfill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lou et al. | Nutrient conservation during spent mushroom compost application using spent mushroom substrate derived biochar | |
| Tejada et al. | Soil restoration using composted plant residues: Effects on soil properties | |
| CN103121882B (en) | Biomass straw charcoal based organic fertilizer and production method thereof | |
| CN101850574B (en) | Process for preparing sludge autoclaved aerated concrete building block | |
| CN101486613B (en) | Method for preparing organic fertilizer by mixed fermentation of water hyacinth and dewatered sludge | |
| CN104529112B (en) | Sludge organism drying method for treating | |
| CN102887736B (en) | Method for preparing special fertilizer by treating kitchen waste, sludge and domestic waste in one machine | |
| CN102875210A (en) | Method for co-composting of blue-green algae and polluted bottom sediment | |
| CN104774620B (en) | A kind of compounding modifying agent and preparation method and modification method for pollution of vanadium soil | |
| CN112225589A (en) | Method for treating humus soil of well drilling waste compost | |
| CN106892690A (en) | Sewage treatment plant's domestic sludge compost method of disposal | |
| CN104692847B (en) | A kind of high a great number of elements liquid organic fertilizer production method | |
| CN104403716B (en) | Method for producing biomass fuels by using garbage | |
| CN103551376B (en) | Method for stabilization of heavy metal contaminated soil in mining area | |
| CN108774531A (en) | A kind of renovation agent and preparation method thereof for administering alkaline cadmium pollution soil | |
| CN113142014A (en) | Alkaline river silt-based garden green planting soil and preparation method thereof | |
| CN106673906A (en) | Preparation method of improved substituted surface soil material for open pit coal mine | |
| CN104803721A (en) | Biological composting processing method of oil-based drilling wastes | |
| CN110092554A (en) | A kind of processing method about oilfield drilling spare | |
| CN103058717B (en) | Heavy metal treatment technology for heavy metal adsorption, dehydration and fertilizer preparation | |
| CN110372457B (en) | Preparation method of coal gangue microbial mineral fertilizer | |
| CN100457693C (en) | Environmental organic nutrient soil as well as preparation technique and application thereof | |
| CN101628292A (en) | Harmless biological comprehensive treatment method for oil base drilling fluid drillings | |
| CN101289339A (en) | Multiple organic humic acid spraying liquid fertilizer and preparation method | |
| CN110226490A (en) | Utilize the method that plant nutrient soil is prepared after drilling sludge harmless treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |