CN103045183A - Illegal cooking oil lubricant and preparation method thereof - Google Patents
Illegal cooking oil lubricant and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an illegal cooking oil lubricant and a preparation method thereof. The illegal cooking oil lubricant comprises the following components in percentage by weight: 40%-60% of illegal cooking oil, 0.5%-1.5% of sodium sulfite, 1%-3% of sorbide oleate, 0.02%-0.04% of antioxidants, 0.2%-0.3% of extreme-pressure antiwear agents, 0.05%-0.1% of formaldehyde, 1.0%-1.2% of sodium hydroxide and the balance of water. Through the illegal cooking oil lubricant disclosed by the invention, the problem that torque and friction resistance are reduced through lubrication in the drilling process of a horizontal well is effectively solved, moreover, a new way is provided for the recycling of the illegal cooking oil, and the preparation cost of the lubricant can be reduced.
Description
Technical field
The present invention relates to a kind of water-base drilling fluid with lubricator and preparation method thereof, especially a kind of sewer oil lubricant and preparation method thereof.
Background technology
Expansion along with horizontal well scale (particularly branch horizontal well, ultra-long horizontal well, gas storage well etc.), horizontal section lengthens constantly that (the gas well horizontal section bores and to reach 2606m, the oil well horizontal section is bored and is reached 1505m), add that the geologic characteristics horizontal section passes through large section carbonaceous mudstone, the frictional resistance, the moment of torsion that cause drilling tool and the borehole wall significantly increase, lubricant consumption increases severely, and causes the drilling fluid cost fast rise.Although oil base drilling fluid or the above technical barrier of the oil bag drilling fluid system fine solution of energy owing to unfavorable factors such as cost are high, environmental pollution is large, the useless disposal of cuttings difficulty of oil base is large, have affected the at home large-scale promotion application in oil field.Therefore in the urgent need to developing low-cost high lubricity drilling fluid system.
The source of the recyclable bio oil of China is wide, has the basic chemical property as lubricating oil, and low price, provides effective, a brand-new approach for researching and developing low-cost high lubricity drilling fluid system.For example; China Patent No. " CN201110146614.7 " discloses a kind of PVC internal lubricant manufacture craft; open day is on December 14th, 2011; can carry out utilization of waste material, comprise that ethylene glycol and tetramethylolmethane allocate in proportion, add tetrabutyl titanate as catalyzer; add vegetable fatty acid and carry out at least 8 hours esterification; add acetic anhydride and carry out acidylate under 120 ℃ of temperature, freezing microtome section stores and obtains the PVC internal lubricant, and it adopts the vegetable fatty acid that is extracted by sewer oil is main raw material.For another example, China Patent No. " CN201110382746.X " discloses a kind of sewer oil that utilizes and has prepared wooden method of moulding with lubricator, open day is on 06 20th, 2012, vinylformic acid is dissolved in ten dihydroxystearic acids, add in the reactor, add catalyzer, under the N2 protection, after 2 ~ 6 hours, obtain esterification products in 100 ~ 150 ℃ of lower reactions; Sewer oil and polyethylene polyamine are joined in the gained esterification products, be warming up to 100 ~ 200 ℃, add the polyaddition reaction initiator, under the N2 protection, hybrid reaction 2 ~ 10 hours is cooled to room temperature, gets the pale yellow oily liquid body, is the lubricant product; Described catalyzer is a kind of in tin protochloride and the tosic acid, and initiator is a kind of in cyclohexanone peroxide and the methylethyl ketone peroxide.
Yet the lubricant of above-mentioned patented technology preparation is developed for the interface compatibility that strengthens between wood powder and the plastics, and is not suitable for the lubrication drag reduction problem that solves in the CONTROL OF DRILLING PROCEDURE.
Summary of the invention
The object of the invention is to overcome the problems referred to above that existing water-base drilling fluid with lubricator exists, a kind of sewer oil lubricant and preparation method thereof is provided, the present invention had both efficiently solved the lubricated torque drop frictional resistance difficult problem of falling in the horizontal well drilling process, recycling for sewer oil provides brand-new approach again, can reduce the lubricant preparation cost again simultaneously.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of sewer oil lubricant, it is characterized in that, the component that comprises following weight percent: sewer oil 40%～60%, S-WAT 0.5%～1.5%, sorbitol anhydride oleate 1%～3%, oxidation inhibitor 0.02～0.04%, extreme pressure anti-wear additives 0.2% ~ 0.3%, formaldehyde 0.05% ~ 0.1%, caustic soda 1.0%～1.2%, surplus is water.
In the described sewer oil, content of vegetable oil is 40% ~ 70%, and animal oil content is 30% ~ 60%.
Described S-WAT is 2.0% of sewer oil weight.
Described sorbitol anhydride oleate is sorbitol anhydride oleate Span-80.
Described oxidation inhibitor is oxidation inhibitor 501.
Described extreme pressure anti-wear additives is sulfide isobutene.
A kind of preparation method of sewer oil lubricant is characterized in that, comprises the steps:
A, in closed reactor, add sewer oil, begin to stir, when temperature of reaction kettle reaches 40 ℃～50 ℃, stir and slowly evenly add S-WAT reaction 60～90 minutes;
B, adding sorbitol anhydride oleate, stirring reaction 10-20 minutes adds entry, then the pH value is adjusted to 7-8, stirring reaction 3-8 minutes;
C, add extreme pressure anti-wear additives, oxidation inhibitor, formaldehyde respectively and stirred 3-8 minutes, make the sewer oil lubricant that water-base drilling fluid is used.
In the described b step, under agitation evenly adding is mixed with 30-50% caustic soda soln with caustic soda, and the pH value is adjusted to 7-8.
Employing the invention has the advantages that:
One, the present invention has developed drilling fluid trench oil lubricant take sewer oil as base stocks, this lubricant good water solubility, stability is strong, without fluorescence, geological logging is had no effect, both efficiently solved the lubricated torque drop frictional resistance difficult problem of falling in the horizontal well drilling process, recycling for sewer oil provides brand-new approach again, remarkable in economical benefits, social benefit is extensive and far-reaching, is worthy of popularization very much.
Two, the lubricated torque drop frictional resistance successful that falls of the present invention.After on-the-spot drilling fluid added the sewer oil lubricant, moment of torsion, frictional resistance, mud cake lubricating coefficient were effectively reduced, and the moment of torsion average rate of decrease reaches 38.2%, and the frictional resistance average rate of decrease reaches 50.6%, and slide block coefficient of friction resistance reduced rate on average reaches 81.3%.
Three, the present invention and on-the-spot drilling fluid compatibleness are good.On-the-spot drilling fluid is without flocculation, caking phenomenon after adding.On-the-spot drilling fluid is except lubricity improves, and rheological property is stable, the ANOMALOUS VARIATIONS phenomenon do not occur.The on-the-spot placement after 1 month without rotten stink (pungent is charred, becomes sour, cries), also without breakdown of emulsion layering, bad stability phenomenon, also odorless or fouling phenomenon in the field maintemance adition process.
Four, the present invention does not affect geological logging without fluorescence.Owing to without fluorescence, geological logging is had no effect, kept the landwaste verity, be subject to geological logging team favorable comment.
Five, the present invention is beneficial to and prevents the PDC bit balling.This lubricant so that the mud stone drilling cuttings is difficult for being bonded on the PDC drill bit, effectively prevents stifled Shui eye quilt and stifled junk slot phenomenon in the mud stone drilling process by improving the wettability of drilling fluid lubricating and bit face.
Six, the present invention is beneficial to drilling speed.Used the sewer oil lubricant to strengthen the drilling fluid lubricating performance in 2012, the average rate of penetration of 15 mouthfuls of wells is 4.52 m/h, than 4.26 m/h of gas well horizontal well in 2011, improve 6.1%, relatively shortened drilling period and construction cycle, reduced the drilling well comprehensive cost.
Seven, this sewer oil lubricant is beneficial to reservoir protection.Can be applicable to branch horizontal well, ultra-long horizontal well, gas storage well etc., can play good lubrication drag reduction effect.
Embodiment
Embodiment 1
A kind of sewer oil lubricant, the component that comprises following weight percent: sewer oil 45%～55%, S-WAT 0.8%～1.2%, sorbitol anhydride oleate 1.5%～2.5%, oxidation inhibitor 0.025～0.035%, extreme pressure anti-wear additives 0.22% ~ 0.28%, formaldehyde 0.07% ~ 0.09%, caustic soda 1.0%～1.2%, surplus are water.
Preferred implementation of the present invention is, in the described sewer oil, content of vegetable oil is 40% ~ 70%, and animal oil content is 30% ~ 60%.Sewer oil of the prior art is all applicable, and this is preferred implementation, is not limited to this.
Another preferred implementation of the present invention is, described S-WAT is 2.0% of sewer oil weight, and this is preferred, but is not limited to this.
Among the present invention, described sorbitol anhydride oleate is preferably sorbitol anhydride oleate Span-80, also can select the sorbitol anhydride oleate of other model.
Among the present invention, described oxidation inhibitor is preferably oxidation inhibitor 501, also can select the oxidation inhibitor of other model.
Among the present invention, described extreme pressure anti-wear additives is preferably sulfide isobutene, also can select existing other extreme pressure anti-wear additives.
A kind of preparation method of sewer oil lubricant comprises the steps:
A, in closed reactor, add sewer oil, begin to stir, when temperature of reaction kettle reaches 40 ℃, stir and slowly evenly add S-WAT reaction 60 minutes;
B, adding sorbitol anhydride oleate, stirring reaction 10 minutes adds entry, then under agitation evenly adds to be mixed with 30% caustic soda soln with caustic soda, the pH value is adjusted to 7, stirring reaction 3 minutes;
C, add extreme pressure anti-wear additives, oxidation inhibitor, formaldehyde respectively and stirred 3 minutes, make the sewer oil lubricant that water-base drilling fluid is used.
Embodiment 2
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
A kind of sewer oil lubricant comprises the component of following weight percent: sewer oil 40%, and S-WAT 0.5%, sorbitol anhydride oleate 1%, oxidation inhibitor 0.02%, extreme pressure anti-wear additives 0.2%, formaldehyde 0.05%, caustic soda 1.0%, surplus is water.
A kind of preparation method of sewer oil lubricant comprises the steps:
A, in closed reactor, add sewer oil, begin to stir, when temperature of reaction kettle reaches 50 ℃, stir and slowly evenly add S-WAT reaction 90 minutes;
B, adding sorbitol anhydride oleate, stirring reaction 20 minutes adds entry, then the pH value is adjusted to 8, stirring reaction 8 minutes;
C, add extreme pressure anti-wear additives, oxidation inhibitor, formaldehyde respectively and stirred 8 minutes, make the sewer oil lubricant that water-base drilling fluid is used.
In the described b step, under agitation evenly adding is mixed with 50% caustic soda soln with caustic soda, and the pH value is adjusted to 8.
Embodiment 3
Embodiment and above-described embodiment are basic identical, and the key distinction is:
A kind of sewer oil lubricant comprises the component of following weight percent: sewer oil 60%, and S-WAT 1.5%, sorbitol anhydride oleate 3%, oxidation inhibitor 0.04%, extreme pressure anti-wear additives 0.3%, formaldehyde 0.1%, caustic soda 1.2%, surplus is water.
A kind of preparation method of sewer oil lubricant comprises the steps:
A, in closed reactor, add sewer oil, begin to stir, when temperature of reaction kettle reaches 45 ℃, stir and slowly evenly add S-WAT reaction 70 minutes;
B, adding sorbitol anhydride oleate, stirring reaction 15 minutes adds entry, then the pH value is adjusted to 7.5, stirring reaction 5 minutes;
C, add extreme pressure anti-wear additives, oxidation inhibitor, formaldehyde respectively and stirred 5 minutes, make the sewer oil lubricant that water-base drilling fluid is used.
In the described b step, under agitation evenly adding is mixed with 40% caustic soda soln with caustic soda, and the pH value is adjusted to 7.5.
Embodiment 4
Sewer oil: 50%, S-WAT: 1.0%, sorbitol anhydride oleate Span-80:2.0%, oxidation inhibitor 501:0.03%, sulfide isobutene: 0.25%, formaldehyde: 0.075%, caustic soda NaOH:1.1%, all the other are water.In closed reactor, add at first sewer oil in strict accordance with reinforced order, begin to stir, when temperature of reaction kettle reaches 40 ℃～50 ℃, stir and the slow S-WAT (adding about 30 minutes) that evenly adds, stirring reaction 60～90 minutes, in the process of reaction, caustic soda is mixed with 40% the aqueous solution, stop to heat, add sorbitol anhydride oleate Span-80, rapid stirring reaction 15 minutes, add entry, then under agitation slowly evenly add the caustic soda soln for preparing, the pH value is adjusted to 7-8, stirring reaction 5 minutes, add respectively the extreme pressure anti-wear additives sulfide isobutene, oxidation inhibitor 501, formaldehyde stirred 5 minutes, namely made water-base drilling fluid of the present invention trench oil lubricant.
One, the testing experiment of sewer oil lubricant
Under this test simulation northern Shensi storehouse or the aboveground ultimate temperature after (winter :-30 °, summer: 50 °, 25 ° of autumns in spring) long-time placement, observed the stability of the lubricant of example 4, take 6% sodium bentonite slurry as the base slurry, estimated the lubricant lubrication drag reduction performance of example 4 of the present invention.
Test 1: the Stability Determination of the samples of lubricant of embodiment 4
Respectively with production sample after 25 ° of-30 °, 50 °, normal temperature are placed January, observe sample stability and whether foul, the results are shown in Table 1.
Table 1 steadiness
| Numbering | Temperature | Time | Appearance change is described |
| 1 | -30 ℃ | January | Become the oyster white homogeneous solid after freezing, be milky white emulsion after naturally thaw (or water-bath heat thaw), oxidative stability is good, without the layering breakdown of emulsion, without the fouling corruption. |
| 2 | 25 ℃ | January | Become the oyster white homogeneous solid after freezing, be milky white emulsion after naturally thaw (or water-bath heat thaw), oxidative stability is good, without the layering breakdown of emulsion, without the fouling corruption. |
| 3 | 50 ℃ | January | Become the oyster white homogeneous solid after freezing, be milky white emulsion after naturally thaw (or water-bath heat thaw), oxidative stability is good, without the layering breakdown of emulsion, without the fouling corruption. |
Test 2: lubricant lubrication drag reduction performance evaluation
The 6% slope soil paste (minute fresh water slurry or NaCl salt slurries) of aquation after 24 hours adds the samples of lubricant of 1% embodiment 4, and height stirs after 10 minutes and is lubricated performance evaluation with the extreme boundary lubrication instrument, the results are shown in Table 2.
The lubrication drag reduction performance of table 2 lubricant
Annotate: No. 1 experiment clear water value is 35.0, and basic slurry value is 62.5; No. 2 experiment clear water value is 35.0, and basic slurry value is 62.5;
No. 3 experiment clear water value is 35.0, and basic slurry value is 62.5; No. 4 experiment clear water value is 35.0, and basic slurry value is 62.5;
No. 5 experiment clear water value is 35.0, and basic slurry value is 62.5; No. 6 experiment clear water value is 35.0, and basic slurry value is 62.5.
Can find out that from table 1 and table 2 property indices of the sewer oil lubricant of embodiment 4 all reaches on-the-spot service requirements, can pay rig-site utilization.
Two, the properties of sewer oil lubricant
| Project | The data that record and performance |
| The apparent viscosity lift-off value, mPa.s | 2 |
| The lubricating coefficient reduced rate, % | 92.2 |
| The low-temp low-pressure filter loss, mL | Reduce 2.0ml |
| Fluorescence grade | Without fluorescence |
| Compatibleness | Other treatment agent energy compatibility with drilling fluid |
| Stability | After long-time the placement, without layering breakdown of emulsion, corrupt without fouling, stable performance |
Three, test in place situation and the effect of embodiment 4 sewer oil lubricants
The sewer oil lubricant is 15 mouthfuls of wells of test in place (peach 2-7-3H well, quiet flat 69-12H well, the 48-18-42H2 of Soviet Union well, peach 2-9-6H, two 8-34H2 wells, quiet flat 68-9H, flat 31 wells of celebrating, flat 37 wells of celebrating, the flat 53-11 well in river, the flat 53-14 well in river, flat 22 wells of celebrating, flat 52 wells of celebrating, Zhenping 8-5 well, Chen Ping 22-7 well, flat 47 wells of celebrating), on-the-spot dosage 1～3%, the working control of the mud cake slide block coefficient of friction resistance is 0.0262～0.0524, the extreme boundary lubrication coefficient is lower than 0.05, moment of torsion is at 5～9KN.m, remain that drilling fluid has good lubrication drag reduction performance, has embodied good test effect:
1, the lubricated torque drop frictional resistance successful that falls of this sewer oil lubricant.After on-the-spot drilling fluid adds the sewer oil lubricant, moment of torsion, frictional resistance, mud cake lubricating coefficient are effectively reduced, the moment of torsion average rate of decrease reaches 38.2%, the frictional resistance average rate of decrease reaches 50.6%, slide block coefficient of friction resistance reduced rate on average reaches 81.3%, and data show the lubricated torque drop frictional resistance successful that falls of this sewer oil lubricant.
2, this sewer oil lubricant and on-the-spot drilling fluid compatibleness are good.On-the-spot drilling fluid is without flocculation, caking phenomenon after adding.On-the-spot drilling fluid is except lubricity improves, and rheological property is stable, the ANOMALOUS VARIATIONS phenomenon do not occur.The on-the-spot placement after 1 month without rotten stink (pungent is charred, becomes sour, cries), also without breakdown of emulsion layering, bad stability phenomenon, also odorless or fouling phenomenon in the field maintemance adition process.
3, this sewer oil lubricant does not affect geological logging without fluorescence.This sewer oil lubricant has kept the landwaste verity owing to without fluorescence, geological logging is had no effect, and is subject to geological logging team favorable comment.
4, this sewer oil lubricant is beneficial to and prevents the PDC bit balling.This lubricant so that the mud stone drilling cuttings is difficult for being bonded on the PDC drill bit, effectively prevents stifled Shui eye quilt and stifled junk slot phenomenon in the mud stone drilling process by improving the wettability of drilling fluid lubricating and bit face.
5, this sewer oil lubricant is beneficial to drilling speed.Used the sewer oil lubricant to strengthen the drilling fluid lubricating performance in 2012, the average rate of penetration of 15 mouthfuls of wells is 4.52 m/h, 4.26 m/h than gas well horizontal well in 2011, improve 6.1%, relatively shorten drilling period and construction cycle, reduced the drilling well comprehensive cost, obtained Party A's approval and praise.
6, this sewer oil lubricant is beneficial to reservoir protection.In order to verify the sewer oil lubricant to the impact of reservoir protection, add after the sewer oil lubricant fully circulates from on-the-spot drilling fluid, to fetch sample and carried out the laboratory core damage evaluation, experimental result sees Table 3.
The core damage data of the on-the-spot drilling fluid of table 3
Annotate: injury condition pressure reduction 3.5Mpa, time 2.5hr, temperature 24-27 ℃;
Kg1 and Kg2 represent respectively the rate of permeation before and after the injury.
Data can be found out from table 3, and after on-the-spot drilling fluid added this lubricant, drilling fluid was all very low to the injury rate of reservoir core, in the 3.8%-9.5% orientation, all belong to low injury.Data show that this sewer oil lubricant does not affect the protection reservoir function of drilling fluid.
Embodiment 5
Sewer oil: 40%, S-WAT: 0.5%, sorbitol anhydride oleate Span-80:1.0%, oxidation inhibitor 501:0.02%, extremely inferior anti-wear agent sulfide isobutene: 0.2%, formaldehyde: 0.05%, caustic soda NaOH:1.0%, all the other are water.In closed reactor, add at first sewer oil in strict accordance with reinforced order, begin to stir, when temperature of reaction kettle reaches 40 ℃～50 ℃, stir and the slow S-WAT (adding about 30 minutes) that evenly adds, stirring reaction 60～90 minutes, in the process of reaction, caustic soda is mixed with 40% the aqueous solution, stop to heat, add sorbitol anhydride oleate Span-80, rapid stirring reaction 15 minutes, add entry, then under agitation slowly evenly add the caustic soda soln for preparing, the pH value is adjusted to 7～8, stirring reaction 5 minutes, add respectively the extreme pressure anti-wear additives sulfide isobutene, oxidation inhibitor 501, formaldehyde stirred 5 minutes, namely made water-base drilling fluid of the present invention trench oil lubricant.
Embodiment 6
Sewer oil: 60%, S-WAT: 1.5%, sorbitol anhydride oleate Span-80:3.0%, oxidation inhibitor 501:0.04%, extremely inferior anti-wear agent sulfide isobutene: 0.3%, formaldehyde: 0.1%, caustic soda NaOH:1.2%, all the other are water.In closed reactor, add at first sewer oil in strict accordance with reinforced order, begin to stir, when temperature of reaction kettle reaches 40 ℃～50 ℃, stir and the slow S-WAT (adding about 30 minutes) that evenly adds, stirring reaction 60～90 minutes, in the process of reaction, caustic soda is mixed with 40% the aqueous solution, stop to heat, add sorbitol anhydride oleate Span-80, rapid stirring reaction 15 minutes, add entry, then under agitation slowly evenly add the caustic soda soln for preparing, the pH value is adjusted to 7-8, stirring reaction 5 minutes, add respectively the extreme pressure anti-wear additives sulfide isobutene, oxidation inhibitor 501, formaldehyde stirred 5 minutes, namely made water-base drilling fluid of the present invention trench oil lubricant.
Claims (8)
1. sewer oil lubricant, it is characterized in that, the component that comprises following weight percent: sewer oil 40%～60%, S-WAT 0.5%～1.5%, sorbitol anhydride oleate 1%～3%, oxidation inhibitor 0.02～0.04%, extreme pressure anti-wear additives 0.2% ~ 0.3%, formaldehyde 0.05% ~ 0.1%, caustic soda 1.0%～1.2%, surplus is water.
2. sewer oil lubricant according to claim 1, it is characterized in that: in the described sewer oil, content of vegetable oil is 40% ~ 70%, and animal oil content is 30% ~ 60%.
3. sewer oil lubricant according to claim 1, it is characterized in that: described S-WAT is 2.0% of sewer oil weight.
4. sewer oil lubricant according to claim 1, it is characterized in that: described sorbitol anhydride oleate is sorbitol anhydride oleate Span-80.
5. sewer oil lubricant according to claim 1, it is characterized in that: described oxidation inhibitor is oxidation inhibitor 501.
6. sewer oil lubricant according to claim 1, it is characterized in that: described extreme pressure anti-wear additives is sulfide isobutene.
7. the preparation method of a kind of sewer oil lubricant according to claim 1 is characterized in that, comprises the steps:
A, in closed reactor, add sewer oil, begin to stir, when temperature of reaction kettle reaches 40 ℃～50 ℃, stir and slowly evenly add S-WAT reaction 60～90 minutes;
B, adding sorbitol anhydride oleate, stirring reaction 10-20 minutes adds entry, then the pH value is adjusted to 7-8, stirring reaction 3-8 minutes;
C, add extreme pressure anti-wear additives, oxidation inhibitor, formaldehyde respectively and stirred 3-8 minutes, make the sewer oil lubricant that water-base drilling fluid is used.
8. the preparation method of a kind of sewer oil lubricant according to claim 7 is characterized in that: in the described b step, under agitation be mixed with 30-50% caustic soda soln with caustic soda even the adding, the pH value is adjusted to 7-8.
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| CN103589180A (en) * | 2013-11-06 | 2014-02-19 | 桂林理工大学 | Preparation method of lubricant for wood-plastic composite material |
| CN103726357A (en) * | 2013-12-09 | 2014-04-16 | 山东济宁锦祥化工有限公司 | Antistatic emulsified lubricating oil |
| CN104371674A (en) * | 2013-07-03 | 2015-02-25 | 中国石油化工集团公司 | Drilling fluid lubricant prepared from waste plant oil and preparation method thereof |
| CN104559971A (en) * | 2015-01-27 | 2015-04-29 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oil-base illegal cooking oil lubricant for drilling fluids and preparation method thereof |
| CN106433579A (en) * | 2016-08-29 | 2017-02-22 | 新疆贝肯能源工程股份有限公司 | Gutter oil stuck freeing spotting liquid and preparation method thereof |
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| CN104371674A (en) * | 2013-07-03 | 2015-02-25 | 中国石油化工集团公司 | Drilling fluid lubricant prepared from waste plant oil and preparation method thereof |
| CN103589180B (en) * | 2013-11-06 | 2016-04-06 | 桂林理工大学 | A kind of preparation method of lubricant for wood-plastic composite material |
| CN103589180A (en) * | 2013-11-06 | 2014-02-19 | 桂林理工大学 | Preparation method of lubricant for wood-plastic composite material |
| CN103726357A (en) * | 2013-12-09 | 2014-04-16 | 山东济宁锦祥化工有限公司 | Antistatic emulsified lubricating oil |
| CN103726357B (en) * | 2013-12-09 | 2016-04-13 | 山东济宁锦祥化工有限公司 | A kind of antistatic emulsion type lubricant |
| CN104559971B (en) * | 2015-01-27 | 2017-12-12 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of drilling fluid oil base trench oil lubricant and preparation method |
| CN104559971A (en) * | 2015-01-27 | 2015-04-29 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oil-base illegal cooking oil lubricant for drilling fluids and preparation method thereof |
| CN106433579A (en) * | 2016-08-29 | 2017-02-22 | 新疆贝肯能源工程股份有限公司 | Gutter oil stuck freeing spotting liquid and preparation method thereof |
| CN106433579B (en) * | 2016-08-29 | 2019-04-09 | 新疆贝肯能源工程股份有限公司 | Gutter oil spotting fluid and preparation method thereof |
| CN108641684A (en) * | 2018-04-26 | 2018-10-12 | 廊坊庆兴化工有限公司 | A kind of drilling fluid compound resin lubricating collapse-resisting agent and preparation method thereof |
| CN110527499A (en) * | 2018-05-24 | 2019-12-03 | 中国石油化工股份有限公司 | A kind of oil base drilling fluid antifriction agent |
| CN110527499B (en) * | 2018-05-24 | 2021-06-01 | 中国石油化工股份有限公司 | Antifriction resistance-reducing agent for oil-based drilling fluid |
| CN109504355A (en) * | 2019-01-14 | 2019-03-22 | 天津市海罗兰科技发展股份有限公司 | Highly-efficient lubricant for drilling fluid and its preparation method and application |
| CN111234787A (en) * | 2020-03-09 | 2020-06-05 | 新乡市振华钻井液材料有限公司 | Modified kitchen waste grease lubricant for drilling fluid and preparation method thereof |
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Effective date of registration: 20201028 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |