CN105505342B - A kind of application of the biology polyalcohols salt as additive for drilling fluid - Google Patents
A kind of application of the biology polyalcohols salt as additive for drilling fluid Download PDFInfo
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- CN105505342B CN105505342B CN201410521382.2A CN201410521382A CN105505342B CN 105505342 B CN105505342 B CN 105505342B CN 201410521382 A CN201410521382 A CN 201410521382A CN 105505342 B CN105505342 B CN 105505342B
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Abstract
Application the present invention provides biological polyalcohols salt as additive for drilling fluid.The biology polyalcohols salt be corn biochemical process prepare ethylene glycol, propylene glycol by-product, the addition of the biology polyalcohols salt is the 3wt% 50wt% of drilling fluid base fluid.Application of the biology polyalcohols salt provided by the invention as additive for drilling fluid, using biological polyalcohols salt be corn biochemical process manufacture ethylene glycol, propylene glycol by-product, biological polyalcohols salt realizes the recycling of industrial by-products as the use of additive for drilling fluid, and biological polyalcohols salt can play the role of lubrication, exacerbation, thickening and improve drilling fluid temperature resistance.
Description
Technical field
The present invention relates to a kind of by-product of plant biochemistry method as drilling fluid during oil, natural gas exploration and development
The application of inorganic agent, belongs to technical field of polymer materials.
Background technology
As petroleum exploration and development is to deep and marine development, deep-well, ultradeep well and special well probing are increasingly
More, the especially probing of superhigh temperature, super-pressure stratum proposes requirements at the higher level to drilling fluid.And the progress of drilling fluid system according to
Rely in the appearance of New drilling fluid inorganic agent, only payes attention to the research and development of novel process agent, just can ensure that drilling liquid technology not
Disconnected progress.
The research and development of additive for drilling fluid can divide natural material modified product, synthetic material, with industrial waste or agriculture substantially
Byproduct prepares additive for drilling fluid and different material is compound or 4 aspects of reactant.Nearly 2 years, although China is at drilling fluid
It manages agent research and obtains encouraging progress with application aspect, existing additive for drilling fluid has substantially met drilling well needs, in novel process
It is also accumulated from some successful experiences in terms of agent research, but many problems are still had in inorganic agent research, production and application.It closes
Also unbalanced in additive for drilling fluid research, research is more in terms of synthetic polymer, in natural material utilization and industrial by-products
Use aspects research is few, and it is few to develop the New drilling fluid inorganic agent with property.
In conclusion a kind of natural or industrial by-products type additive for drilling fluid of offer becomes the one of this field development
Kind trend.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is to provide biological polyalcohols salt answering as additive for drilling fluid
With, the biology polyalcohols salt be plant biochemistry method prepare ethylene glycol, propylene glycol by-product, and with lubrication, aggravate, thickening and
Improve the function of drilling fluid temperature resistance.
In order to achieve the above object, the application the present invention provides a kind of biological polyalcohols salt as additive for drilling fluid, institute
State biological polyalcohols salt be corn biochemical process prepare ethylene glycol, propylene glycol by-product, the inorganic agent of drilling fluid provided by the invention
It is not required to be added directly into drilling fluid by other pre-treatments and use, be according to addition of the required purposes in drilling fluid
The 3wt%-50wt% of drilling fluid base fluid.
Biology polyalcohols salt provided by the invention be corn biochemical process prepare ethylene glycol, propylene glycol by-product, it is specific to make
Standby process is as follows：
Starch is obtained into glucose syrup after the processes such as liquefaction, saccharification, filtering, decoloration；
Make catalyst with nickel, carries out hydrogenation reaction, obtain sorbitol solution；
By sorbitol solution after supercooling, sedimentation, filtering, ion-exchange and decoloration, hydrogen is filled, hydrogen is initial at room temperature
Pressure is 3MPa-7MPa, using nickel ruthenium alloy as catalyst, is reacted at 180 DEG C -250 DEG C and is not less than 5min, obtain second two
The mixture (biological polyalcohols salt) of alcohol, propylene glycol and by-product.The operations such as liquefaction, saccharification, ion-exchange in specific preparation process are pressed
More solito mode carries out.
Application of the biology polyalcohols salt provided by the invention as additive for drilling fluid, it is preferable that with the biological polyalcohols salt
Gross mass be 100wt% meters, the composition of the biology polyalcohols salt includes：D-sorbite, the 5.8%- of 2.7%-15.1%
8.7% glycerine, the ethylene glycol of 2.4%-3.7%, the propylene glycol of 0.5%-1.7%, 3.6%-5.5% butanediol,
The sodium formate of polymeric alcohol JLX, 6.0%-6.5%, the sodium acetate of 5.9%-7.2%, the 20.0%- of 11.2%-27.5%
23.4% sodium lactate and the water of 18.5%-24.1%；
It is highly preferred that by the gross mass of the biological polyalcohols salt for 100wt% in terms of, the composition packet of the biology polyalcohols salt
It includes：2.7% D-sorbite, 5.8% glycerine, 2.4% ethylene glycol, 0.5% propylene glycol, 5.5% butanediol,
27.5% polymeric alcohol JLX, 6.5% sodium formate, 7.2% sodium acetate, 23.4% sodium lactate and 18.5% water.
Application of the biology polyalcohols salt provided by the invention as additive for drilling fluid, it is preferable that biological polyalcohols salt is as at
The composition of the applicable drilling fluid of reason agent includes sodium bentonite slurry of a concentration of 5wt% etc..Wherein, the sodium bentonite used is starched as sodium
The mixture of bentonite and water.Sodium bentonite conserves for 24 hours after being sufficiently mixed with distilled water, obtains use for laboratory sodium bentonite slurry；
Sodium bentonite with after common mixing of fresh water stirring, with sodium bentonite starched by the scene of obtaining.
The biological polyalcohols salt of application of the biology polyalcohols salt provided by the invention as additive for drilling fluid, use is corn life
Change legal system make ethylene glycol, propylene glycol by-product, main component includes the organic salt or poly- of the organic salt of dihydric alcohol, polyalcohol
Organic salt, sodium lactate or polylactic acid sodium of polyalcohol etc..
Biology polyalcohols salt provided by the invention is as in the application of additive for drilling fluid, it is preferable that the biological polyalcohols of use
Salt is bronzing liquid, density 1.38g/cm3, pH 11.8, solidification point is -26 DEG C, has incombustible characteristic under open fire.
The present invention provides a kind of water base bentonite drilling fluids, wherein the water base bentonite drilling fluid includes base fluid and life
Object polyalcohols salt, the biology polyalcohols salt be corn biochemical process prepare ethylene glycol, propylene glycol by-product, the biology polyalcohols salt
Addition is the 3wt%-50wt% of base fluid.
In water base bentonite drilling fluid provided by the invention, it is preferable that the gross mass with the biological polyalcohols salt is
100wt% is counted, and the composition of the biology polyalcohols salt includes：The D-sorbite of 2.7%-15.1%, the glycerine of 5.8%-8.7%,
The ethylene glycol of 2.4%-3.7%, the propylene glycol of 0.5%-1.7%, the butanediol of 3.6%-5.5%, 11.2%-27.5% it is poly-
Close the sodium formate of alcohol JLX, 6.0%-6.5%, the sodium acetate of 5.9%-7.2%, the sodium lactate of 20.0%-23.4% and
The water of 18.5%-24.1%；
It is highly preferred that by the gross mass of the biological polyalcohols salt for 100wt% in terms of, the composition packet of the biology polyalcohols salt
It includes：2.7% D-sorbite, 5.8% glycerine, 2.4% ethylene glycol, 0.5% propylene glycol, 5.5% butanediol,
27.5% polymeric alcohol JLX, 6.5% sodium formate, 7.2% sodium acetate, 23.4% sodium lactate and 18.5% water.
Water base bentonite drilling fluid provided by the invention, it is preferable that the composition of the base fluid includes the sodium of a concentration of 5wt%
Bentonite slurry etc..
In water base bentonite drilling fluid provided by the invention, it is preferable that the biological polyalcohols salt used is close for bronzing liquid
Degree is 1.38g/cm3, pH 11.8, solidification point is -26 DEG C, has incombustible characteristic under open fire.
Biology polyalcohols salt provided by the invention as additive for drilling fluid using biological polyalcohols salt, have very well
Lubricity, Low-temperature antifreeze, nontoxic；And itself has certain viscosity and density, can save and carry stick and salt use
Amount has certain compatibility with water base bentonite drilling fluid.For example, the sodium bentonite that compound concentration is 5% is starched, and is added
After sodium bentonite starches the biological polyalcohols salt of 3wt%, lubricating coefficient reduced rate is not less than 25%.The biology that compound concentration is 50% is poly-
The aqueous solution (the biological polyalcohols salt of 50mL is added in the water of 50mL) of alkoxide, the density of the aqueous solution of biological polyalcohols salt is not less than
1.18g/cm3, apparent viscosity is not less than 15.0MPas.
Application of the biological polyalcohols salt of the present invention as additive for drilling fluid, the biological polyalcohols salt used is corn biochemical process
The by-product of manufacture ethylene glycol, propylene glycol, making the inorganic agent of drilling fluid with it reduces the cost of drilling fluid, has expanded corn life
Change legal system make ethylene glycol, propylene glycol by-product new application, realize the recycling of industrial by-products.
The biological polyalcohols salt that the present invention uses can carry out the exacerbation of drilling fluid, and density can be in 1.04g/cm3-1.20g/
cm3In the range of adjust.Compared with using inert material aggravate, the useless solid phase of biological polyalcohols salt of the invention subtracts significantly
It is few, the risk for blocking reservoir pore space is reduced, the protection of reservoir is more advantageous to.
The biological polyalcohols salt that the present invention uses belongs to the inorganic agent of multifunctional drilling fluid, and drilling fluid is being added in biological polyalcohols salt
Original heat-resisting property of drilling fluid can be improved simultaneously afterwards.
The biological polyalcohols salt of the present invention is as a kind of Multifunctional Additive, when in drilling fluid, it is possible to reduce its elsewhere
The use for managing agent such as lubricant, tackifier and heavy weight additive reduces the cost of drilling fluid, the processing of formula drilling fluid more easy care.
Specific implementation mode
In order to which technical characteristic, purpose and the advantageous effect to the present invention are more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but should not be understood as to the present invention can practical range restriction.
Embodiment 1
The present embodiment provides firstly a kind of biological polyalcohols salt, by the gross mass of biological polyalcohols salt for 100wt% in terms of, biology
The composition of polyalcohols salt includes：2.7% D-sorbite, 5.8% glycerine, 2.4% ethylene glycol, 0.5% propylene glycol,
5.5% butanediol, 27.5% polymeric alcohol JLX, 6.5% sodium formate, 7.2% sodium acetate, 23.4% sodium lactate and
18.5% water.
Biological polyalcohols salt provided in this embodiment is applied to Shen257Jing slurries and is used as additive for drilling fluid, and with diesel oil, stone
Ink is lubricated the comparison of performance.
It selects Shen257Jing slurries to be starched as base, is separately added into being starched to base and accounts for the diesel oil of base slurry quality 3wt%, account for base slurry matter
Measure the graphite of 3wt%, the biological polyalcohols salt for accounting for base slurry quality 1wt%, the biology provided in this embodiment for accounting for base slurry quality 3wt%
Polyalcohols salt, the biological polyalcohols salt provided in this embodiment for accounting for base slurry quality 5wt%, and greasy property test is carried out, as a result such as table 1
Shown, table 1 is the greasy property comparing result of above-mentioned each reagent.
Table 1
| Serial number | Sample ID | Lubricating coefficient reduced rate % |
| 1 | 3wt% diesel oil | 10.0 |
| 2 | 3wt% graphite | 11.0 |
| 3 | 1wt% biology polyalcohols salt | 16.8 |
| 4 | 3wt% biology polyalcohols salt | 30.2 |
| 5 | 5wt% biology polyalcohols salt | 33.5 |
As can be seen from Table 1, the lubricity of biological polyalcohols salt provided in this embodiment is better than graphite and diesel oil.
Biological polyalcohols salt provided in this embodiment is applied to base as additive for drilling fluid and starches 1.
Base slurry 1 is prepared first, and the composition of base slurry 1 includes：The molecular weight of xanthans XC, 0.3wt% of 0.2wt% are 100
The sulfonated phenolic resin SMP-II of ten thousand -200 ten thousand complex ionic polyacrylate PAC141,0.7wt%, the drop of 0.7wt%
The ultra-low penetration agent YHS-1 of fluid loss agents KH-931,3wt%, surplus are water.
It is then respectively adding the provided in this embodiment of 5wt%, 10wt%, 30wt% and the 50wt% for accounting for base 1 mass of slurry
Biological polyalcohols salt, into the test of line density and funnel viscosity FV, test result is as shown in table 2, embodies the life of different additions
Influence of the object polyalcohols salt to the density of base slurry 1.
As can be seen from Table 2, the biological polyalcohols salt that the present embodiment of the 50wt% of base slurry 1 is added can be by the close of base slurry system
Degree is exacerbated to 1.20g/cm3, realize Solid Free drilling well.Inertia weighting material can be reduced when preparing more highdensity drilling fluid
Additive amount, and then protect reservoir.
Table 2
| Serial number | Dosage % | Density (g/cm3) | Funnel viscosity FV (s) |
| 1 | 5 | 1.01 | 33 |
| 2 | 10% | 1.04 | 36 |
| 4 | 30% | 1.12 | 45 |
| 6 | 50% | 1.20 | 58 |
Biological polyalcohols salt provided in this embodiment is applied to base as additive for drilling fluid and starches 2, and carries out temperature resistance ability
Test.
Base slurry 2 is prepared first, and 2 composition of base slurry includes：The xanthan of high inhibition coating agent IND10,0.2wt% of 0.2wt%
The Redu1 (being produced by Beijing Pei Kangjia industry Technology Dev Company Ltd.) of glue XC, 2wt%, the non-fluorescence collapse-proof filtrate reducing of 1wt%
Unstressed configuration albino bitumen NFA-25,3wt% of agent KH-931,2wt% compounding calcium carbonate superfine powder, 3wt% polymeric alcohol JLX,
The polyamine polymer that the molecular weight of drilling fluid Waterproof lock the agent HAR-D and 0.4wt% of 0.4wt% are 5 ten thousand to 50 ten thousand.
Then the biological polyalcohols salt for accounting for 50% the present embodiment that base starches 2 mass is added into base slurry 2, and tests its temperature resistance
Performance, test result is as shown in table 3, and table 3 is the temperature resistance aptitude tests result of base slurry 2 and the base slurry 2 that biological polyalcohols salt is added.
Table 3
By table 3 it is found that the temperature resistance temperature of base slurry 2 is 120 DEG C, performance is destroyed completely after 150 DEG C of heat rollings, and is added
After the biological polyalcohols salt of the present embodiment, base slurry system performance after 150 DEG C of heat rollings is still maintained at preferable state, shows base slurry
The temperature resistance temperature of system is 150 DEG C, and the temperature resistance ability of base slurry can be improved to demonstrate biological polyalcohols salt provided in this embodiment.
Another to prepare base slurry 3,3 composition of base slurry includes：The molecular weight of xanthans XC, 0.3wt% of 0.2wt% are 1,000,000-
2000000 complex ionic polyacrylate PAC141, surplus are water.
Then the biological polyalcohols salt for accounting for 50% the present embodiment that base starches 3 mass is added into base slurry 3, measures and biology is added
Heat-resisting property before and after polyalcohols salt, experiment condition are at 120 DEG C, and for 24 hours, the results are shown in Table 4 for heat rolling, and table 4 is that biology is added
The test result of the temperature resistance ability of base slurry 3 before and after polyalcohols salt, wherein in table 4Indicate six fast 600 turns of rotational viscometers
The number of degrees,Indicate the number of degrees of six fast 300 turns of rotational viscometers.
Table 4
As shown in Table 4, base slurry 3 is after 120 DEG C of heat rollings for 24 hours when not adding biological polyalcohols salt, and viscosity is greatly lowered, and base starches 3
Performance destroyed, and after biological polyalcohols salt is added, the front and back performance change of base slurry system heat rolling is little.This is absolutely proved
When biology polyalcohols salt provided in this embodiment is as additive for drilling fluid, the high temperature resistance of drilling fluid can be improved.
In conclusion biology polyalcohols salt provided by the invention is applied to as additive for drilling fluid in oil drilling field
When, the effect of protection oil and gas reservoir is also functioned to while improving original heat-resisting property of drilling fluid.
Claims (8)
1. application of the biological polyalcohols salt as additive for drilling fluid, which is characterized in that the biology polyalcohols salt is corn biochemical process
Prepare ethylene glycol, propylene glycol by-product, the addition of the biology polyalcohols salt is the 3wt%-50wt% of drilling fluid base fluid, institute
State the sodium bentonite slurry that drilling fluid base fluid includes a concentration of 5wt%.
2. application of the biology polyalcohols salt according to claim 1 as additive for drilling fluid, which is characterized in that with the life
The gross mass of object polyalcohols salt is counted for 100wt%, and the composition of the biology polyalcohols salt includes：The D-sorbite of 2.7%-15.1%,
The glycerine of 5.8%-8.7%, the ethylene glycol of 2.4%-3.7%, the propylene glycol of 0.5%-1.7%, the fourth of 3.6%-5.5% two
Alcohol, the sodium formate of polymeric alcohol JLX, 6.0%-6.5% of 11.2%-27.5%, the sodium acetate of 5.9%-7.2%, 20.0%-
23.4% sodium lactate and the water of 18.5%-24.1%.
3. application of the biology polyalcohols salt according to claim 2 as additive for drilling fluid, which is characterized in that with the life
The gross mass of object polyalcohols salt is counted for 100wt%, and the composition of the biology polyalcohols salt includes：2.7% D-sorbite, 5.8%
Glycerine, 2.4% ethylene glycol, 0.5% propylene glycol, 5.5% butanediol, 27.5% polymeric alcohol JLX, 6.5% formic acid
Sodium, 7.2% sodium acetate, 23.4% sodium lactate and 18.5% water.
4. the application according to claim 1-3 any one of them biology polyalcohols salt as additive for drilling fluid, which is characterized in that
The biology polyalcohols salt is bronzing liquid, density 1.38g/cm3, pH 11.8, solidification point is -26 DEG C, non-ignitable under open fire
It burns.
5. a kind of water base bentonite drilling fluid, wherein the water base bentonite drilling fluid includes base fluid and biological polyalcohols salt, the life
Object polyalcohols salt be corn biochemical process prepare ethylene glycol, propylene glycol by-product, the addition of the biology polyalcohols salt is base fluid
3wt%-50wt%, the base fluid include the sodium bentonite slurry of a concentration of 5wt%.
6. water base bentonite drilling fluid according to claim 5, which is characterized in that with the gross mass of the biological polyalcohols salt
It is counted for 100wt%, the composition of the biology polyalcohols salt includes：The D-sorbite of 2.7%-15.1%, 5.8%-8.7% it is sweet
Oil, the ethylene glycol of 2.4%-3.7%, the propylene glycol of 0.5%-1.7%, the butanediol of 3.6%-5.5%, 11.2%-27.5%
The sodium formate of polymeric alcohol JLX, 6.0%-6.5%, the sodium acetate of 5.9%-7.2%, 20.0%-23.4% sodium lactate and
The water of 18.5%-24.1%.
7. water base bentonite drilling fluid according to claim 6, which is characterized in that with the gross mass of the biological polyalcohols salt
It is counted for 100wt%, the composition of the biology polyalcohols salt includes：2.7% D-sorbite, 5.8% glycerine, 2.4% second two
Alcohol, 0.5% propylene glycol, 5.5% butanediol, 27.5% polymeric alcohol JLX, 6.5% sodium formate, 7.2% sodium acetate,
23.4% sodium lactate and 18.5% water.
8. according to the water base bentonite drilling fluid of claim 6-7 any one of them, which is characterized in that it is described biology polyalcohols salt be
Bronzing liquid, density 1.38g/cm3, pH 11.8, solidification point is -26 DEG C, is not burnt under open fire.
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| CN109085659A (en) * | 2018-06-29 | 2018-12-25 | 中海石油(中国)有限公司湛江分公司 | A kind of integrated heat insulation test liquid for deep water single layer marine riser |
| CN116396741B (en) * | 2023-04-11 | 2024-04-30 | 四川川庆井下科技有限公司 | Antibacterial degradable cleanup additive and preparation method thereof |
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| CN103265816A (en) * | 2013-05-07 | 2013-08-28 | 北京探矿工程研究所 | Low-softening-point emulsified asphalt for drilling fluid and preparation method thereof |
| CN103848984A (en) * | 2012-11-30 | 2014-06-11 | 天津中油渤星工程科技有限公司 | Shale inhibitor polyether polyol for drilling fluids, and preparation and application thereof |
| CN105295872A (en) * | 2014-07-17 | 2016-02-03 | 中国石油天然气股份有限公司 | Drilling fluid suitable for compact sandstone reservoir |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103848984A (en) * | 2012-11-30 | 2014-06-11 | 天津中油渤星工程科技有限公司 | Shale inhibitor polyether polyol for drilling fluids, and preparation and application thereof |
| CN103265816A (en) * | 2013-05-07 | 2013-08-28 | 北京探矿工程研究所 | Low-softening-point emulsified asphalt for drilling fluid and preparation method thereof |
| CN105295872A (en) * | 2014-07-17 | 2016-02-03 | 中国石油天然气股份有限公司 | Drilling fluid suitable for compact sandstone reservoir |
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