CN106433579A - Gutter oil stuck freeing spotting liquid and preparation method thereof - Google Patents
Gutter oil stuck freeing spotting liquid and preparation method thereof Download PDFInfo
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
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Abstract
The invention relates to the technical field of stuck freeing spotting liquid for drilling fluid, in particular to gutter oil stuck freeing spotting liquid and a preparation method thereof. The gutter oil stuck freeing spotting liquid is prepared from 40-80 parts of gutter oil, 0.5-2 parts of a decolorizing agent, 0.1-4 parts of protonic acid, 0.01-0.06 part of an isomerization catalyst, 0.5-10 parts of caustic soda, 0.2-8 parts of a tackifier, 0.6-8 parts of an emulsifier, 0.5-25 parts of a quickly penetrating agent, 0.5-5 parts of a dehydrating agent, 0-30 parts of a density modifier and 5-58 parts of water. The invention discloses the gutter oil stuck freeing spotting liquid and the preparation method thereof. The obtained gutter oil stuck freeing spotting liquid is black brown uniform liquid and is free of foreign smell, the raw material cost is low, the control process is simple, the new way is provided for recycling gutter oil, and the gutter oil stuck freeing spotting liquid has the advantages that the stuck freeing effect is good, the stuck freeing time is short, mud cake cracks are obvious, no adverse effect is caused on the properties of drilling fluid, and tool sticking accidents of various types can be treated.
Description
Technical field
The present invention relates to drilling fluid spotting fluid technical field, be a kind of waste oil spotting fluid and preparation method thereof.
Background technology
Waste oil the largest source is the oil interceptor of large-scale restaurant, city sewer, be eaten for a long time may cause cancer, right
Human body very harmful, during wellbore construction, is commonly encountered lock of tool drilling, cave in bit freezing when bit location cannot reduce, pump
Pressure raises, and caliper expansion well logging is hampered, processing method is stacks, unload piston, to be recycled, increase proportion, can circulate and then use unfreezing
Immersion steeps unfreezing, it is impossible to circulate then back-off process；During undergauge bit freezing, position, tight point is special, and hole diameter reduces, and is pumped before and after bit freezing
To return slurry amount the same with well head, and processing method soaks unfreezing for activity drilling tool energetically, bumper jar unfreezing, spotting fluid；When adhering to bit freezing
Can migrate near casing shoe in stuck point position, before and after bit freezing, to return slurry amount the same with well head for pump pressure, and processing method is bumper jar unfreezing,
Activity drilling tool, clear water unfreezing, caustic soda unfreezing, spotting fluid unfreezing；Drilling speed reduction during balling-up sticking, moment of torsion increase, are pumped rising, rise
Boring difficulty, processing method is fall density and viscosity, and big pump amount circulates, sash weight process, bumper jar jarring, and spotting fluid soaks unfreezing.
Prior art is in most cases depended merely on physics unfreezing operation and is extremely difficult to Expected Results, and uses waste oil spotting fluid but so far
There are no document report.
Content of the invention
The invention provides a kind of waste oil spotting fluid and preparation method thereof, overcome the deficiency of above-mentioned prior art, its
Can effectively solve prior art in most cases to depend merely on physics unfreezing operation and be extremely difficult to Expected Results, and use waste oil solution
Card liquid is but so far there are no the problem of document report.
One of technical scheme is realized by following measures：A kind of waste oil spotting fluid, raw material is by weight
Amount number includes waste oil 40 parts to 80 parts, decolorising agent 0.5 part to 2 parts, Bronsted acid 0.1 part to 4 parts, isomerization catalyst 0.01
Part to 0.06 part, 0.5 part to 10 parts of caustic soda, tackifier 0.2 part to 8 parts, emulsifying agent 0.6 part to 8 parts, quickly penetrating agent 0.5 part
To 25 parts, dehydrating agent 0.5 part to 5 parts, density adjuster 0 part to 30 parts, 5 parts to 58 parts of water.
Further optimization and/or improvements to foregoing invention technical scheme one of are presented herein below：
Above-mentioned waste oil spotting fluid obtains as follows：The first step, pretreatment of raw material, carry out to waste oil precipitating, filter, de-
Water, decolour to obtain crude oil；Second step, acidification, acidification is by matter under the conditions of stirring maintains the temperature at 60 DEG C to 90 DEG C
Sub-slow acid adds in the crude oil of pretreatment of raw material gained in three batches and is to react 2h to 10h at 60 DEG C to 90 DEG C to obtain in temperature
Oil product after acidifying；3rd step, isomerization, isomerization be will acidifying after oil product mass percent be 45% soda bath adjust
Joint pH value is addition isomerization catalyst after 6 to 9, and reaction under the conditions of 70 DEG C to 130 DEG C obtained waste oil to 6 hours in 2 hours
Lubricating oil processed；4th step, is to add in waste oil lubricating oil under 4000r/min to 5000r/min state in stir speed (S.S.)
The desired amount of tackifier, add quickly penetrating agent, water, emulsifying agent and dehydrating agent in the state of stir speed (S.S.) is constant, will stirring
It is emulsified that speed is promoted to 10000r/min to 12000r/min state, after emulsification times is 10min to 1h, adds the desired amount of
Density adjuster i.e. obtains waste oil spotting fluid.
Above-mentioned decolorising agent is oil product decolouring sand, atlapulgite, bleaching clay, attapulgite, aluminium polychloride, active zeolite and oil
Pint look eliminating smell agent in more than one；Or/and, Bronsted acid is more than one in potassium acid sulfate, the concentrated sulfuric acid and fluorosulfuric acid,
Or/and, isomerization catalyst is ZSM-5 molecular sieve catalyst, WOx catalyst, Pt/H-MOR catalyst and Ni/HM catalyst
In more than one；Or/and, tackifier are more than one in organoclay and acrylamide copolymer.
Mentioned emulsifier is the one in emulsifying agent SP80, emulsifying agent SP60, OP-10, Tween-60 and peregal O-15
Above；Or/and, quickly penetrating agent is more than one in fast penetrant T, quickly penetrating agent JFC and laruyl alcohol；Or/and, de-
Aqua is more than one in quick lime and phosphorus pentoxide.
Above-mentioned density adjuster is more than one in micro-silicon, organic salt, blanc fixe and powdered whiting；Or/and, burn
Alkali is the industrial products that weight/mass percentage composition is more than 98%.
The two of technical scheme are realized by following measures：A kind of waste oil spotting fluid and preparation side thereof
Method, is carried out in the steps below：The first step, pretreatment of raw material, carry out to waste oil precipitating, filter, be dehydrated, decolour to obtain crude oil；The
Two steps, acidification, acidification is slowly to add Bronsted acid in three batches under the conditions of stirring maintains the temperature at 60 DEG C to 90 DEG C
Enter the oil product in the crude oil of pretreatment of raw material gained and after temperature is that at 60 DEG C to 90 DEG C, reaction 2h to 10h is acidified；The
Three steps, isomerization, isomerization is to be that 45% soda bath regulation is after pH value is 6 to 9 by the oil product mass percent after acidifying
Adding isomerization catalyst, reaction under the conditions of 70 DEG C to 130 DEG C obtained waste oil lubricating oil to 6 hours in 2 hours；4th
Step, is to add the desired amount of thickening under 4000r/min to 5000r/min state in waste oil lubricating oil in stir speed (S.S.)
Agent, adds quickly penetrating agent, water, emulsifying agent and dehydrating agent, is promoted to stir speed (S.S.) in the state of stir speed (S.S.) is constant
10000r/min to 12000r/min state is emulsified, after emulsification times is 10min to 1h, adds the desired amount of density adjuster
I.e. obtain waste oil spotting fluid.
The further optimization and/or improvements of to foregoing invention technical scheme two are presented herein below：
Above-mentioned decolorising agent is that oil product decolouring sand, atlapulgite, bleaching clay, attapulgite, aluminium polychloride, active zeolite and oil product take off
More than one in look eliminating smell agent；Or/and, Bronsted acid is more than one in potassium acid sulfate, the concentrated sulfuric acid and fluorosulfuric acid, or/and,
Isomerization catalyst is in ZSM-5 molecular sieve catalyst, WOx catalyst, Pt/H-MOR catalyst and Ni/HM catalyst
More than Zhong；Or/and, tackifier are more than one in organoclay and acrylamide copolymer.
Mentioned emulsifier is the one in emulsifying agent SP80, emulsifying agent SP60, OP-10, Tween-60 and peregal O-15
Above；Or/and, quickly penetrating agent is more than one in fast penetrant T, quickly penetrating agent JFC and laruyl alcohol；Or/and, de-
Aqua is more than one in quick lime and phosphorus pentoxide.
Above-mentioned density adjuster is more than one in micro-silicon, organic salt, blanc fixe and powdered whiting；Or/and, burn
Alkali is the industrial products that weight/mass percentage composition is more than 98%.
The invention discloses a kind of waste oil spotting fluid and preparation method thereof, the waste oil spotting fluid that the present invention obtains is black
Brown uniform liquid, free from extraneous odour, cost of material low control process is simple, and provides new way for waste oil recycling, tool
Having unfreezing effect good, the unfreezing time is short, and mud cake crackle is obvious, does not has harmful effect to property of drilling fluid and can process polytype
Lock of tool drilling.
Detailed description of the invention
The present invention is not limited by following embodiment, can determine specifically according to technical scheme and actual conditions
Embodiment.
Embodiment 1, this waste oil spotting fluid, raw materials by weight portion includes waste oil 40 parts to 80 parts, decolorising agent 0.5 part
To 2 parts, Bronsted acid 0.1 part to 4 parts, isomerization catalyst 0.01 part to 0.06 part, 0.5 part to 10 parts of caustic soda, tackifier 0.2 part
To 8 parts, emulsifying agent 0.6 part to 8 parts, quickly penetrating agent 0.5 part to 25 parts, dehydrating agent 0.5 part to 5 parts, density adjuster 0 part extremely
30 parts, 5 parts to 58 parts of water.
Embodiment 2, this waste oil spotting fluid, raw materials by weight portion includes waste oil 40 parts or 80 parts, decolorising agent 0.5 part
Or 2 parts, Bronsted acid 0.1 part or 4 parts, isomerization catalyst 0.01 part or 0.06 part, 0.5 part or 10 parts of caustic soda, tackifier 0.2 part
Or 8 parts, emulsifying agent 0.6 part or 8 parts, quickly penetrating agent 0.5 part or 25 parts, dehydrating agent 0.5 part or 5 parts, density adjuster 0 part or
30 parts, 5 parts or 58 parts of water.
Embodiment 3, as above-described embodiment optimization, the preparation method of this waste oil spotting fluid, is carried out in the steps below：The
One step, pretreatment of raw material, carry out to waste oil precipitating, filter, be dehydrated, decolour to obtain crude oil；Second step, acidification, at acidifying
Reason be stirring maintain the temperature under the conditions of 60 DEG C to 90 DEG C by Bronsted acid slowly in three batches add pretreatment of raw material gained hair
It is at 60 DEG C to 90 DEG C, to react the oil product after 2h to 10h is acidified in You and in temperature；3rd step, isomerization, isomerization is
By the oil product mass percent after acidifying be 45% soda bath regulation pH value be to add isomerization catalyst after 6 to 9,70
DEG C within 2 hours, obtained waste oil lubricating oil to 6 hours to reaction under the conditions of 130 DEG C；4th step, is 4000r/ in stir speed (S.S.)
The desired amount of tackifier are added in waste oil lubricating oil, in the state of stir speed (S.S.) is constant under min to 5000r/min state
Add quickly penetrating agent, water, emulsifying agent and dehydrating agent, stir speed (S.S.) is promoted to 10000r/min to 12000r/min state
Emulsified, after emulsification times is 10min to 1h, add the desired amount of density adjuster i.e. to obtain waste oil spotting fluid.The present invention
In waste oil obtained by three kinds of channels：One is by the greasy floating thing in sewer or by hotel, the leftovers of restaurant, leftovers
Through the oil simply processed, extract；Two is pork inferior, haslet, pigskin processing and the oil of output after refining；Three is to use
The oil obtaining after the oily access times of fried food exceed certain number of times.
Embodiment 4, as above-described embodiment optimization, decolorising agent be oil product decolouring sand, atlapulgite, bleaching clay, attapulgite,
Aluminium polychloride, active zeolite and oil product decolouring eliminating smell agent in more than one.
Embodiment 5, as above-described embodiment optimization, Bronsted acid be one in potassium acid sulfate, the concentrated sulfuric acid and fluorosulfuric acid with
On.
Embodiment 6, as above-described embodiment optimization, isomerization catalyst be ZSM-5 molecular sieve catalyst, WOx catalyst,
More than one in Pt/H-MOR catalyst and Ni/HM catalyst.
Embodiment 7, as above-described embodiment optimization, tackifier be one in organoclay and acrylamide copolymer with
On.
Embodiment 8, as above-described embodiment optimization, emulsifying agent is emulsifying agent SP80, emulsifying agent SP60, OP-10, Tween-
More than one in 60 and peregal O-15.
Embodiment 9, as above-described embodiment optimization, quickly penetrating agent is fast penetrant T, quickly penetrating agent JFC and the moon
More than one in cinnamic alcohol.
Embodiment 10, as above-described embodiment optimization, dehydrating agent is more than one in quick lime and phosphorus pentoxide.
Embodiment 11, as above-described embodiment optimization, density adjuster is micro-silicon, organic salt, blanc fixe and heavy carbon
Acid calcium in more than one.
Embodiment 12, as above-described embodiment optimization, caustic soda is the industrial products that weight/mass percentage composition is more than 98%.Use
When, the caustic soda more than 98% for the weight/mass percentage composition is diluted to weight/mass percentage composition is 45% soda bath.
Above-described embodiment gained waste oil spotting fluid performance test is shown in Table 1.The waste oil that the present invention obtains can be obtained from table 1
Spotting fluid outward appearance is pitchy uniform liquid, provides new recovery approach for waste oil, and filter loss is little, especially in fluid loss side
Face superior performance, settled density difference is low, excellent in stability, and pour point is relatively low, and the unfreezing time is short, and mud cake crackle is obvious.
Embodiment 13, this waste oil spotting fluid, raw materials by weight portion includes waste oil 60 parts, oil product decolouring eliminating smell agent
0.7 part, the concentrated sulfuric acid 1 part, Pt/H-MOR catalyst 0.02 part, 2 parts of caustic soda, acrylamide copolymer 2 parts, emulsifying agent SP80
5 parts, Tween-60 1 part, fast penetrant T 8 parts, quick lime 3 parts, blanc fixe 10 parts, 8.28 parts of water.
Embodiment 14, this waste oil spotting fluid, raw materials by weight portion includes waste oil 70 parts, oil product decolouring eliminating smell agent
0.7 part, the concentrated sulfuric acid 1 part, Pt/H-MOR catalyst 0.02 part, 2 parts of caustic soda, acrylamide copolymer 2 parts, emulsifying agent SP80
3 parts, OP-10 3 parts, fast penetrant T 8 parts, quick lime 3 parts, blanc fixe 0 part, 8.28 parts of water.
Embodiment 15, this waste oil spotting fluid, raw materials by weight portion includes waste oil 60 parts, aluminium polychloride 4 parts, oil
Pint look eliminating smell agent 3 parts, the concentrated sulfuric acid 1 part, Pt/H-MOR catalyst 0.02 part, 2 parts of caustic soda, organoclay 2 parts, emulsifying agent SP80
5 parts, Tween-60 1 part, fast penetrant T 8 parts, quick lime 3 parts, blanc fixe 10 parts, 8.28 parts of water.
Embodiment 16, this waste oil spotting fluid, raw materials by weight portion includes waste oil 50 parts, aluminium polychloride 4 parts, oil
Pint look eliminating smell agent 3 parts, the concentrated sulfuric acid 1 part, Pt/H-MOR catalyst 0.02 part, 2 parts of caustic soda, acrylamide copolymer 4 parts,
Emulsifying agent SP80 5 parts, Tween-60 1 part, fast penetrant T 8 parts, quick lime 3 parts, blanc fixe 18 parts, 8.28 parts of water.
Embodiment 17, this waste oil spotting fluid, raw materials by weight portion includes waste oil 66 parts, aluminium polychloride 4 parts, oil
Pint look eliminating smell agent 3 parts, the concentrated sulfuric acid 1 part, Pt/H-MOR catalyst 0.02 part, 2 parts of caustic soda, acrylamide copolymer 1 part,
Emulsifying agent SP80 5 parts, Tween-60 1 part, fast penetrant T 8 parts, quick lime 3 parts, micro-silicon 5 parts, 8.28 parts of water.
Before obtaining waste oil spotting fluid of the present invention, each component in formula is detected, to trench oil density, acid
The indexs such as value, saponification number, pour point and emulsifier hlb value and quickly penetrating agent time of penetration detect, to other components according to
Respective standard detects.Pretreatment of raw material in the first step of the present invention, the precipitation that waste oil is taked, filtration, dehydration, decolouring
It is prior art means.
Whether serious the using method of waste oil spotting fluid of the present invention is according to bit freezing and the strata condition preparation present invention
Waste oil spotting fluid；Inject and soak and combination understands that card is by general service pump in drilling well handbook, replace, the program such as top is by present invention ground
Ditch oil spotting fluid is injected at stuck point, soaks 1h to 5h, and period is aided with the equipment such as bumper sub, bumper jar and carries out physics unfreezing.
The waste oil spotting fluid performance measurement that embodiment 13 obtains is shown in Table 2, the waste oil unfreezing fluidity that embodiment 14 obtains
Can measure and be shown in Table 3, the waste oil spotting fluid performance measurement that embodiment 15 obtains is shown in Table 4, the waste oil unfreezing that embodiment 16 obtains
Liquid performance measurement is shown in Table 5, and the waste oil spotting fluid performance measurement that embodiment 17 obtains is shown in Table 6.Above-described embodiment 13 to embodiment
The performance measurement of the waste oil spotting fluid that 17 obtain is data obtained in concrete practical operation measures.Wherein, settle
The mensuration of density contrast and unfreezing time is performed by Publication No. CN 101838524 A, and API filtration measures and presses API Spec
13A drilling fluid materials performs, and pour point measurement presses GB/T 3535-2006《Petroleum products pour point determination method》Perform.
Can be seen that the waste oil spotting fluid outward appearance that the present invention obtains is pitchy uniform liquid from table 1 to table 6, be as good as
Taste, filter loss is little, especially superior performance in terms of fluid loss, and settled density difference is low, excellent in stability, and pour point is relatively low, oil product
Low temperature flowability is good, and the unfreezing time is short, and mud cake crackle is obvious.
In sum, the waste oil spotting fluid that the present invention obtains, low cost, operating process is simple and easy to control, is waste oil
Recycle and new way be provided, it is to avoid using the harmful effect that environment is caused by the mineral oil such as diesel oil, unfreezing effect is good,
The unfreezing time is short, and mud cake crackle is obvious, does not has harmful effect to property of drilling fluid, has good compatibility with other drilling well auxiliary agents
Property, to caving in, undergauge, mud drum, the bit freezing situation such as adhesion all have remarkable result.
Above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can basis
It is actually needed the non-essential technical characteristic of increase and decrease, meet the demand of different situations.
Claims (10)
1. a waste oil spotting fluid, it is characterised in that raw materials by weight portion includes waste oil 40 parts to 80 parts, decolorising agent 0.5
Part to 2 parts, Bronsted acid 0.1 part to 4 parts, isomerization catalyst 0.01 part to 0.06 part, 0.5 part to 10 parts of caustic soda, tackifier 0.2
Part to 8 parts, emulsifying agent 0.6 part to 8 parts, quickly penetrating agent 0.5 part to 25 parts, dehydrating agent 0.5 part to 5 parts, density adjuster 0 part
To 30 parts, 5 parts to 58 parts of water.
2. waste oil spotting fluid according to claim 1, it is characterised in that obtain as follows：The first step, raw material is pre-
Process, carry out to waste oil precipitating, filter, be dehydrated, decolour to obtain crude oil；Second step, acidification, acidification is to protect in stirring
Hold temperature under the conditions of 60 DEG C to 90 DEG C by Bronsted acid slowly in three batches add pretreatment of raw material gained crude oil in and in temperature
It is at 60 DEG C to 90 DEG C, to react the oil product after 2h to 10h is acidified；3rd step, isomerization, isomerization is by the oil after acidifying
Product mass percent be 45% soda bath regulation pH value be to add isomerization catalyst after 6 to 9, at 70 DEG C to 130 DEG C bars
Reaction under part obtained waste oil lubricating oil to 6 hours in 2 hours；4th step, is 4000r/min to 5000r/ in stir speed (S.S.)
Add the desired amount of tackifier under min state in waste oil lubricating oil, add quick in the state of stir speed (S.S.) is constant
Stir speed (S.S.) is promoted to 10000r/min to 12000r/min state emulsified by bleeding agent, water, emulsifying agent and dehydrating agent, breast
After the change time is 10min to 1h, the desired amount of density adjuster is added i.e. to obtain waste oil spotting fluid.
3. waste oil spotting fluid according to claim 1 and 2, it is characterised in that decolorising agent is that oil product decolours sand, activity in vain
Soil, bleaching clay, attapulgite, aluminium polychloride, active zeolite and oil product decolouring eliminating smell agent in more than one；Or/and, Bronsted acid
For more than one in potassium acid sulfate, the concentrated sulfuric acid and fluorosulfuric acid, or/and, isomerization catalyst be ZSM-5 molecular sieve catalyst,
More than one in WOx catalyst, Pt/H-MOR catalyst and Ni/HM catalyst；Or/and, tackifier are organoclay and propylene
More than one in acylamide polymer.
4. the waste oil spotting fluid according to claim 1 or 2 or 3, it is characterised in that emulsifying agent is emulsifying agent SP80, emulsification
More than one in agent SP60, OP-10, Tween-60 and peregal O-15；Or/and, quickly penetrating agent be fast penetrant T,
More than one in quickly penetrating agent JFC and laruyl alcohol；Or/and, dehydrating agent be one in quick lime and phosphorus pentoxide with
On.
5. the waste oil spotting fluid according to claim 1 or 2 or 3 or 4, it is characterised in that density adjuster is micro-silicon, has
More than one in machine salt, blanc fixe and powdered whiting；Or/and, caustic soda is the industry that weight/mass percentage composition is more than 98%
Product.
6. waste oil spotting fluid according to claim 1 and preparation method thereof, it is characterised in that carry out in the steps below：The
One step, pretreatment of raw material, carry out to waste oil precipitating, filter, be dehydrated, decolour to obtain crude oil；Second step, acidification, at acidifying
Reason be stirring maintain the temperature under the conditions of 60 DEG C to 90 DEG C by Bronsted acid slowly in three batches add pretreatment of raw material gained hair
It is at 60 DEG C to 90 DEG C, to react the oil product after 2h to 10h is acidified in You and in temperature；3rd step, isomerization, isomerization is
By the oil product mass percent after acidifying be 45% soda bath regulation pH value be to add isomerization catalyst after 6 to 9,70
DEG C within 2 hours, obtained waste oil lubricating oil to 6 hours to reaction under the conditions of 130 DEG C；4th step, is 4000r/ in stir speed (S.S.)
The desired amount of tackifier are added in waste oil lubricating oil, in the state of stir speed (S.S.) is constant under min to 5000r/min state
Add quickly penetrating agent, water, emulsifying agent and dehydrating agent, stir speed (S.S.) is promoted to 10000r/min to 12000r/min state
Emulsified, after emulsification times is 10min to 1h, add the desired amount of density adjuster i.e. to obtain waste oil spotting fluid.
7. waste oil spotting fluid according to claim 6 and preparation method thereof, it is characterised in that decolorising agent is oil product decolouring
Sand, atlapulgite, bleaching clay, attapulgite, aluminium polychloride, active zeolite and oil product decolouring eliminating smell agent in more than one；Or/
With, Bronsted acid is more than one in potassium acid sulfate, the concentrated sulfuric acid and fluorosulfuric acid, or/and, isomerization catalyst is ZSM-5 molecule
More than one in sieve catalyst, WOx catalyst, Pt/H-MOR catalyst and Ni/HM catalyst；Or/and, tackifier are for having
Machine soil and acrylamide copolymer in more than one.
8. waste oil spotting fluid according to claim 6 or 7 and preparation method thereof, it is characterised in that emulsifying agent is emulsifying agent
More than one in SP80, emulsifying agent SP60, OP-10, Tween-60 and peregal O-15；Or/and, quickly penetrating agent is quick
More than one in penetrant t, quickly penetrating agent JFC and laruyl alcohol；Or/and, dehydrating agent is in quick lime and phosphorus pentoxide
More than one.
9. waste oil spotting fluid according to claim 6 or 7 and preparation method thereof, it is characterised in that density adjuster is micro-
More than one in silicon, organic salt, blanc fixe and powdered whiting；Or/and, caustic soda is that weight/mass percentage composition is more than 98%
Industrial products.
10. waste oil spotting fluid according to claim 8 and preparation method thereof, it is characterised in that density adjuster is micro-
More than one in silicon, organic salt, blanc fixe and powdered whiting；Or/and, caustic soda is that weight/mass percentage composition is more than 98%
Industrial products.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278407A (en) * | 2021-06-12 | 2021-08-20 | 重庆领盛化工科技有限公司 | Drilling fluid polyether polyol stuck freeing material and preparation method and use method thereof |
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| CN106433579B (en) | 2019-04-09 |
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