CN106093107A - Evaluation method of shale inhibitor for drilling fluid - Google Patents
Evaluation method of shale inhibitor for drilling fluid Download PDFInfo
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- CN106093107A CN106093107A CN201610531463.XA CN201610531463A CN106093107A CN 106093107 A CN106093107 A CN 106093107A CN 201610531463 A CN201610531463 A CN 201610531463A CN 106093107 A CN106093107 A CN 106093107A
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- 239000003112 inhibitor Substances 0.000 title claims abstract description 28
- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 238000011156 evaluation Methods 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003350 kerosene Substances 0.000 claims abstract description 19
- 239000000440 bentonite Substances 0.000 claims abstract description 15
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 15
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 230000008961 swelling Effects 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 14
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 150000002391 heterocyclic compounds Chemical class 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000001629 suppression Effects 0.000 claims description 6
- -1 amine Compound Chemical class 0.000 claims description 4
- 239000010953 base metal Substances 0.000 claims description 4
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 3
- PQXKWPLDPFFDJP-UHFFFAOYSA-N 2,3-dimethyloxirane Chemical compound CC1OC1C PQXKWPLDPFFDJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001339 alkali metal compounds Chemical class 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 229960001124 trientine Drugs 0.000 claims description 3
- FZIIBDOXPQOKBP-UHFFFAOYSA-N 2-methyloxetane Chemical compound CC1CCO1 FZIIBDOXPQOKBP-UHFFFAOYSA-N 0.000 claims description 2
- ZETYUTMSJWMKNQ-UHFFFAOYSA-N n,n',n'-trimethylhexane-1,6-diamine Chemical compound CNCCCCCCN(C)C ZETYUTMSJWMKNQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 abstract 3
- 239000012086 standard solution Substances 0.000 abstract 2
- 208000019206 urinary tract infection Diseases 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- 230000005764 inhibitory process Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 101100136092 Drosophila melanogaster peng gene Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses an evaluation method of a shale inhibitor for drilling fluid, which comprises the following steps: a. respectively selecting kerosene and clean water as reference liquids, and an inhibitor aqueous solution as a liquid to be detected; b. drying and cooling bentonite, respectively selecting a kerosene-based standard solution, a water-based standard solution and a solution to be detected, adding the solution into three high-temperature stirring cups, respectively adding the bentonite into each stirring cup, and respectively filling the solution into three high-temperature tanks after stirring; c. putting the three high-temperature tanks into a roller furnace, heating, rolling, cooling to normal temperature, pouring into a high-stirring cup, and stirring again; d. respectively extracting liquid from the mixed liquid of the three high-stirring cups to a centrifugal tube for centrifugal treatment, respectively reading the volume of bentonite in the three centrifugal tubes, wherein the volume in water is VWater (W)In kerosene is VOilThe liquid to be measured is VLiquid for treating urinary tract infection(ii) a e. According to the experimental results, the swelling inhibition ratio is expressed by PY: PY = (V)Water (W)‑VLiquid for treating urinary tract infection）/（VWater (W)‑VOil) 100%. The method has the advantages of simple operation, accurate result and high repeatability.
Description
Technical field
The present invention relates to oil and gas well drilling technical field, specifically relate to a kind of drilling fluid shale inhibitor
Evaluation methodology.
Background technology
For shale gas water-base drilling fluid, prevent that horizontal segment shale from collapsing it is crucial that suppress the hydration swelling of mud shale,
Therefore need that the shale hydration of the inhibitor selected is expanded rejection ability and carry out an overall merit.The suppression of drilling fluid at present
Evaluation methodology is a lot, such as landwaste response rate method, high-temperature high pressure dilatometer method, laser particle size method, CTS algoscopy etc..
If author is that Zhao Jiangang, Sun Peng, Wang Qi, Chen Yanbin, Wu Di printed entitled " drilling fluid and completion equal to 2013
Liquid " periodical on delivered the paper of entitled " shale expansion inhibitor Study on Test Method ", it published in 2013
On 4th phase.It is to the effect that: for during shale expansion inhibitor rejection test evaluation, test result repeats
Property and collimation difference a difficult problem, compare existing standard experimental technique, in sample pressing process apply different pressures, by application
Series of experiments data are analyzed and have been contrasted by the method asking for swell increment mean error.Test result indicate that, sample pressure
The size of pressing force and the repeatability of length appreciable impact action time experimental result and collimation during system.Finally propose
The suggestion improving existing shale expansion amount standard method of test, to setting up a set of more scientific and rational experiment
Method.
But these method of testings all have some limitations and deficiency, what landwaste absorption method measured is mainly coated suppression
Drilling cuttings prevents its aquation dispersibility, high-temperature high pressure dilatometer method and laser particle size method from needing to be equipped with specific test instrunment, nothing
Method is popularized, and the repeatability of CTS algoscopy is poor.Accordingly, it would be desirable to the evaluation methodology to rejection improves and supplements, set up
A kind of new drilling fluid shale inhibitor evaluation methodology.
Summary of the invention
It is contemplated that for the defect existing for above-mentioned prior art and deficiency, it is provided that a kind of drilling fluid mud shale presses down
The evaluation methodology of preparation, this method has advantage easy and simple to handle, that result accurate, repeatability is high.
The present invention realizes by using following technical proposals:
The evaluation methodology of a kind of drilling fluid shale inhibitor, it is characterised in that step is as follows:
A, selecting kerosene and clean water as benchmark liquid respectively, inhibitor aqueous solution is as liquid to be measured；
B, bentonite is warmed after cool down, choose the kerosene benchmark liquid of 200ml respectively, water base quasi-liquid and liquid to be measured add three high
Stir cup, then in each jar, be separately added into 20g bentonite, after stirring, be respectively charged into three high-temperature tanks；
C, three high-temperature tanks are put into after roller furnace heating rolls and be cooled to room temperature, pour height into and stir cup and be again stirring for；
D, respectively extract from three high mixed liquors stirring cup 10ml liquid to centrifuge tube be centrifuged process, read three respectively
Bentonitic volume in individual centrifuge tube, wherein in water, volume is VWater, kerosene is VOil, liquid to be measured is VLiquid；
E, according to experimental result, expand suppression ratio and represent with PY:
PY=(VWater-VLiquid)/(VWater-VOil) * 100%.
Described b step is more particularly: b, bentonite is placed in 110 DEG C of baking ovens 4h, is cooled to room temperature in an oven,
Choose the kerosene benchmark liquid of 200ml, water base quasi-liquid and liquid to be measured respectively and add three high cups that stir, then difference in each jar
Add 20g bentonite, stir 30min with the high speed agitator of 11000r/min, be respectively charged into three high-temperature tanks.
Described step c is more particularly: c, three high-temperature tanks are put into roller furnace 120 DEG C roll 16 hours, is often cooled to
Temperature, pours height into and stirs cup again with the high speed agitator stirring 30min of 11000r/min.Guarantee stirs；
Described Step d is more particularly: d, respectively extract from three high uniform mixed liquors stirring cup 10ml liquid to from
Heart pipe, is centrifuged separating 15min with the rotating speed of 3000r/min in centrifuge, reads bentonite in three centrifuge tubes respectively
Volume, wherein in water, volume is VWater, kerosene is VOil, liquid to be measured is VLiquid。
Described inhibitor is to be closed in the lower reaction that imposes a condition with heterocyclic compound by the aminated compounds of low-molecular-weight
Becoming, described aminated compounds is in triethylene tetramine, hydroxide three methyl ethylamine, methyl ethylamine, trimethyl hexamethylene diamine
Kind, described heterocyclic compound is 1,2 epoxy prapane or 2,3-epoxy butane or 1,3-epoxy butane, described in impose a condition into
Alkali metal makees catalyst, and reaction temperature is 80-100 DEG C；Described aminated compounds is 1 with the charged molar ratio of heterocyclic compound:
2.5；Aminated compounds and base metal catalysts mass ratio are 1200:1.
Described alkali metal compound refers to potassium hydroxide or sodium hydroxide.
Compared with prior art, what the present invention was reached has the beneficial effect that:
1, using the 1-e step described in this method to be evaluated inhibitor, operating process is simple, experimental apparatus is that laboratory is normal
Rule equipment and instrument；Evaluation methodology is reproducible, surpasses 95% through evaluating the goodness of fit.
2, use and step b described in this method, c and d specifically control parameter, as sample volume, height stir speed and time
Between, roll temperature and time, dry temperature and time etc., can preferably coordinate drilling fluid test apparatus equipment.
Detailed description of the invention
Embodiment 1
As a better embodiment of the present invention, it discloses the evaluation methodology of a kind of drilling fluid shale inhibitor, its
Step is as follows:
A, selecting kerosene and clean water as benchmark liquid respectively, inhibitor aqueous solution is as liquid to be measured；
B, bentonite is warmed after cool down, choose the kerosene benchmark liquid of 200ml respectively, water base quasi-liquid and liquid to be measured add three high
Stir cup, then in each jar, be separately added into 20g bentonite, after stirring, be respectively charged into three high-temperature tanks；
C, three high-temperature tanks are put into after roller furnace heating rolls and be cooled to room temperature, pour height into and stir cup and be again stirring for；
D, respectively extract from three high mixed liquors stirring cup 10ml liquid to centrifuge tube be centrifuged process, read three respectively
Bentonitic volume in individual centrifuge tube, wherein in water, volume is VWater, kerosene is VOil, liquid to be measured is VLiquid；
E, according to experimental result, expand suppression ratio and represent with PY:
PY=(VWater-VLiquid)/(VWater-VOil) * 100%.
Use above-mentioned steps, current conventional use of inhibitor can be evaluated.
Embodiment 2
As the preferred forms of the present invention, its step is as follows:
A, selecting kerosene and clean water as benchmark liquid respectively, inhibitor aqueous solution is as liquid to be measured；
B, bentonite is placed in 110 DEG C of baking ovens 4h, be cooled to room temperature in an oven, choose the kerosene benchmark of 200ml respectively
Liquid, water base quasi-liquid and liquid to be measured add three high cups that stir, then are separately added into 20g bentonite in each jar, use 11000r/
The high speed agitator stirring 30min of min, is respectively charged into three high-temperature tanks；
C, three high-temperature tanks are put into roller furnace 120 DEG C roll 16 hours, be cooled to room temperature, pour height into and stir cup and again use
The high speed agitator stirring 30min of 11000r/min；Guarantee stirs；
D, from three high uniform mixed liquors stirring cup, extract 10ml liquid to centrifuge tube respectively, centrifuge is used 3000r/
The rotating speed of min is centrifuged separating 15min, reads bentonitic volume in three centrifuge tubes respectively, and wherein in water, volume is
VWater, kerosene is VOil, liquid to be measured is VLiquid；
E, according to experimental result, expand suppression ratio and represent with PY:
PY=(VWater-VLiquid)/(VWater-VOil) * 100%.
In this example, the inhibitor used is to set bar by the aminated compounds of low-molecular-weight with heterocyclic compound
Being synthesized under part, described aminated compounds is triethylene tetramine, hydroxide three methyl ethylamine, methyl ethylamine, trimethyl hexamethylene
One in diamidogen, described heterocyclic compound is 1,2 epoxy prapane or 2,3-epoxy butane or 1, and 3-epoxy butane is described
Imposing a condition and make catalyst for alkali metal, reaction temperature is 80-100 DEG C；Described aminated compounds and the charging of heterocyclic compound
Mol ratio is 1:2.5；Aminated compounds and base metal catalysts mass ratio are 1200:1.Described alkali metal compound refers to hydrogen
Potassium oxide or sodium hydroxide.
The preparation of described inhibitor comprises the concrete steps that:
(1) add aminated compounds in reactor, gradually heat up；Aminated compounds rheological characteristic strengthens；
(2) base metal catalysts deionized water is made into the aqueous solution that concentration is 10%, is uniformly added in reactor, with amine
Compound is uniformly mixed；
(3) constant temperature after being heated up to 85 DEG C, is uniformly added into heterocyclic compound, controls temperature of reaction kettle and is less than 100 DEG C, mix homogeneously
Rear holding constant temperature continues reaction 2h, treats that material is become fully transparent from muddiness, show that polyreaction completes that cooling discharge obtains
Shale polyamine class inhibitor.
Claims (6)
1. the evaluation methodology of a drilling fluid shale inhibitor, it is characterised in that step is as follows:
A, selecting kerosene and clean water as benchmark liquid respectively, inhibitor aqueous solution is as liquid to be measured；
B, bentonite is warmed after cool down, choose the kerosene benchmark liquid of 200ml respectively, water base quasi-liquid and liquid to be measured add three high
Stir cup, then in each jar, be separately added into 20g bentonite, after stirring, be respectively charged into three high-temperature tanks；
C, three high-temperature tanks are put into after roller furnace heating rolls and be cooled to room temperature, pour height into and stir cup and be again stirring for；
D, respectively extract from three high mixed liquors stirring cup 10ml liquid to centrifuge tube be centrifuged process, read three respectively
Bentonitic volume in individual centrifuge tube, wherein in water, volume is VWater, kerosene is VOil, liquid to be measured is VLiquid；
E, according to experimental result, expand suppression ratio and represent with PY:
PY=(VWater-VLiquid)/(VWater-VOil) * 100%.
The evaluation methodology of a kind of drilling fluid shale inhibitor the most according to claim 1, it is characterised in that: described b
Step is more particularly: b, bentonite is placed in 110 DEG C of baking ovens 4h, is cooled to room temperature in an oven, chooses 200ml respectively
Kerosene benchmark liquid, water base quasi-liquid and liquid to be measured adds three high cups that stir, then is separately added into 20g swelling in each jar
Soil, stirs 30min with the high speed agitator of 11000r/min, is respectively charged into three high-temperature tanks.
The evaluation methodology of a kind of drilling fluid shale inhibitor the most according to claim 1, it is characterised in that: described c
Step is more particularly: c, three high-temperature tanks are put into roller furnace 120 DEG C roll 16 hours, is cooled to room temperature, pours height into and stir cup
Again with the high speed agitator stirring 30min of 11000r/min.
The evaluation methodology of a kind of drilling fluid shale inhibitor the most according to claim 1, it is characterised in that: described
Step d is more particularly: d, extract 10ml liquid from three high uniform mixed liquors stirring cup to centrifuge tube respectively, centrifugal
Machine is centrifuged separating 15min with the rotating speed of 3000r/min, reads bentonitic volume in three centrifuge tubes respectively, wherein
In water, volume is VWater, kerosene is VOil, liquid to be measured is VLiquid。
The evaluation methodology of a kind of drilling fluid shale inhibitor the most according to claim 1, it is characterised in that: described
Inhibitor is to be synthesized under imposing a condition with heterocyclic compound by the aminated compounds of low-molecular-weight, described amine
Compound is the one in triethylene tetramine, hydroxide three methyl ethylamine, methyl ethylamine, trimethyl hexamethylene diamine, described jeterocyclic chemistry
Compound is 1,2 epoxy prapane or 2,3-epoxy butane or 1,3-epoxy butane, described in impose a condition and make catalyst for alkali metal,
Reaction temperature is 80-100 DEG C；Described aminated compounds is 1:2.5 with the charged molar ratio of heterocyclic compound；Aminated compounds with
Base metal catalysts mass ratio is 1200:1.
The evaluation methodology of a kind of drilling fluid shale inhibitor the most according to claim 1, it is characterised in that: described
Alkali metal compound refers to potassium hydroxide or sodium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531463.XA CN106093107A (en) | 2016-07-07 | 2016-07-07 | Evaluation method of shale inhibitor for drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531463.XA CN106093107A (en) | 2016-07-07 | 2016-07-07 | Evaluation method of shale inhibitor for drilling fluid |
Publications (1)
| Publication Number | Publication Date |
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| CN106093107A true CN106093107A (en) | 2016-11-09 |
Family
ID=57212914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610531463.XA Pending CN106093107A (en) | 2016-07-07 | 2016-07-07 | Evaluation method of shale inhibitor for drilling fluid |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433110A (en) * | 2011-10-19 | 2012-05-02 | 中国石油大学(华东) | Amine shale stabilizer for drilling fluid |
| CN103113861A (en) * | 2013-03-04 | 2013-05-22 | 中国海洋石油总公司 | Suppressant for drilling fluid and preparation method thereof |
| CN104087271A (en) * | 2014-07-21 | 2014-10-08 | 四川仁智油田技术服务股份有限公司 | Compound polyamine shale inhibitor for drilling fluid and preparation method thereof |
| CN104559957A (en) * | 2013-10-23 | 2015-04-29 | 中国石油化工股份有限公司 | Preparation method of shale inhibitor with filtrate reduction property |
| CN105419748A (en) * | 2015-11-13 | 2016-03-23 | 中石化石油工程技术服务有限公司 | Blocking anti-collapse agent for drilling fluid on basis of oil-containing mud and preparation method thereof |
-
2016
- 2016-07-07 CN CN201610531463.XA patent/CN106093107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433110A (en) * | 2011-10-19 | 2012-05-02 | 中国石油大学(华东) | Amine shale stabilizer for drilling fluid |
| CN103113861A (en) * | 2013-03-04 | 2013-05-22 | 中国海洋石油总公司 | Suppressant for drilling fluid and preparation method thereof |
| CN104559957A (en) * | 2013-10-23 | 2015-04-29 | 中国石油化工股份有限公司 | Preparation method of shale inhibitor with filtrate reduction property |
| CN104087271A (en) * | 2014-07-21 | 2014-10-08 | 四川仁智油田技术服务股份有限公司 | Compound polyamine shale inhibitor for drilling fluid and preparation method thereof |
| CN105419748A (en) * | 2015-11-13 | 2016-03-23 | 中石化石油工程技术服务有限公司 | Blocking anti-collapse agent for drilling fluid on basis of oil-containing mud and preparation method thereof |
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Application publication date: 20161109 |