CN106190082A - Thinner preparation technology for oil drilling - Google Patents
Thinner preparation technology for oil drilling Download PDFInfo
- Publication number
- CN106190082A CN106190082A CN201610514355.1A CN201610514355A CN106190082A CN 106190082 A CN106190082 A CN 106190082A CN 201610514355 A CN201610514355 A CN 201610514355A CN 106190082 A CN106190082 A CN 106190082A
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- parts
- temperature
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- thinner
- preparation technology
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- C—CHEMISTRY; METALLURGY
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
-
- C—CHEMISTRY; METALLURGY
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
Abstract
The invention discloses the thinner preparation technology for oil drilling, solve existing thinner under the conditions of high-temperature acidic or high-temperature alkaline, there is the problem that viscosity break ratio is the highest.The present invention includes: step one, be added to the water mix homogeneously by dopamine, lignin, polyglycolic acid resin；Step 2, heating, and sequentially carbon tetrachloride, polyisobutene succinimide, sodium hydroxide and formic acid are added in mixed liquor in heating process；Step 3, added after, reach 60～80 DEG C in temperature and keep at least 2h；Step 4, dried below 100 DEG C.The present invention has the effect that its viscosity break ratio is substantially unaffected under the conditions of high-temperature alkaline or high-temperature acidic.
Description
Technical field
The present invention relates to a kind of thinner preparation technology, be particularly used for the thinner preparation technology of oil drilling.
Background technology
Oil drilling, refers to find oil storage block through exploration, utilizes special equipment and technology, previously selected
Table position, downward or side gets out the cylindrical bore of certain diameter, and bores the work reaching subterranean oil gas-bearing formation.
Drilling well is exactly the technical process utilizing drilling equipment and rock crushing tool broken formation to form pit shaft, is by ground mesh
Matter is evaluated, is found oil-gas reservoir, exploitation oil-gas reservoir.Working procedure: creep into → well-flushing → make up a joint → make a trip → finishing drilling.
In existing drilling process, owing to drilling process needing improve drilling efficiency, generally use drilling fluid aided drilling,
But owing in existing drilling process, the viscosity of drilling fluid can be gradually increased, and then cause drilling efficiency to reduce, so that a kind of
Reduce the thinner of drilling fluid viscosity, and drilling condition is various, as carried out under the conditions of high temperature, acidity or alkalescence and existing
There is thinner under the conditions of high-temperature acidic or high-temperature alkaline, there is the problem that viscosity break ratio is the highest.
Summary of the invention
The technical problem to be solved is: existing thinner, under the conditions of high-temperature acidic or high-temperature alkaline, exists
The problem that viscosity break ratio is the highest, it is provided that solve the thinner preparation technology for oil drilling of the problems referred to above.
The present invention is achieved through the following technical solutions:
For the thinner preparation technology of oil drilling, including:
Step one, be added to the water mix homogeneously by dopamine, lignin, polyglycolic acid resin；
Step 2, heating, and sequentially by carbon tetrachloride, polyisobutene succinimide, sodium hydroxide and first in heating process
Acid is added in mixed liquor；
Step 3, added after, reach 60～80 DEG C in temperature and keep at least 2h；
Step 4, dried below 100 DEG C；
Wherein, the weight portion of each material is as follows: dopamine 2～6 parts, polyglycolic acid resin 2～4 parts, and polyisobutylene succinyl is sub-
Amine 8～12 parts, sodium hydroxide 2～4 parts, formic acid 6～9 parts, carbon tetrachloride 2～4 parts, lignin 3～6 parts；Described polyglycolic acid
Resin is the granule that particle diameter is less than 0.05um.
Further, described dopamine 4～5 parts, polyglycolic acid resin 3～4 parts, polyisobutene succinimide 9～10 parts,
Sodium hydroxide 3～4 parts, formic acid 7～8 parts, carbon tetrachloride 3～4 parts, lignin 4～5 parts.
Further, described dopamine 5 parts, polyglycolic acid resin 4 parts, polyisobutene succinimide 9 parts, hydroxide
3 parts of sodium, 8 parts of formic acid, carbon tetrachloride 4 parts, lignin 4 parts.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention is by each constituent and the optimization of proportioning, effectively make the thinner of the present invention be applicable to high-temperature acidic and
The oil exploitation of high-temperature alkaline environment, effect is more significantly；
2, when the present invention is under the conditions of high-temperature alkaline or high-temperature acidic, its viscosity break ratio is unaffected.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is made
Further describing in detail, the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, are not intended as this
The restriction of invention.
Embodiment
For the thinner preparation technology of oil drilling, including:
Step one, be added to the water mix homogeneously by dopamine, lignin, polyglycolic acid resin；
Step 2, heating, and sequentially by carbon tetrachloride, polyisobutene succinimide, sodium hydroxide and first in heating process
Acid is added in mixed liquor；
Step 3, added after, reach 60～80 DEG C in temperature and keep at least 2h；
Step 4, dried below 100 DEG C；
Wherein, the weight portion of each material is as follows: dopamine 2～6 parts, polyglycolic acid resin 2～4 parts, and polyisobutylene succinyl is sub-
Amine 8～12 parts, sodium hydroxide 2～4 parts, formic acid 6～9 parts, carbon tetrachloride 2～4 parts, lignin 3～6 parts；Described polyglycolic acid
Resin is the granule that particle diameter is less than 0.05um.
In the present embodiment, the concrete parts by weight of each constituent are as shown in table 1.
Table 1
The thinner of the material composition of each weight portion in above-mentioned table 1 is carried out performance test, and performance test methods is as follows:
Different thinners in the present embodiment are added separately to room temperature serosity, 50 DEG C of high temperature serosity, 50 DEG C of high-temperature acidic serosity
With 50 DEG C of high-temperature alkaline serosity detect its viscosity break ratio (%), thinner addition is 1%.Wherein,
Serosity reading of rotating cylinder viscometer under the flow velocity of 100 r/min when viscosity break ratio=(V0-V1)/V0, V0 are to be not added with thinner
Number, serosity reading of rotating cylinder viscometer under the flow velocity of 100 r/min when V1 is to add thinner；
Room temperature serosity: add the natrium carbonicum calcinatum of 2.5 g and bentonite (conformance with standard GB/T of 50 g in 500 mL water
5005-2010), high-speed stirred 20 min, ambient temperatare is put maintenance 24 h and get final product；
50 DEG C of high temperature serosity: be warmed to 50 DEG C on the basis of room temperature serosity and get final product；
50 DEG C of high-temperature acidic serosity: adding hydrochloric acid in room temperature serosity, it is the serosity of about 5.5 that high-speed stirred 5min obtains pH,
The most at room temperature place maintenance 24 h, be warmed to 50 DEG C and get final product；
50 DEG C of high-temperature alkaline serosity: adding NaOH in room temperature serosity, it is the serosity of about 8.5 that high-speed stirred 5min obtains pH,
Place maintenance 24 h at room temperature, be warmed to 50 DEG C and get final product.
The test result of the present embodiment is as shown in table 2.
Table 2
By the test data of above-mentioned table 2, the data in present example 1-example 3 show: proportioning of the present invention, effectively make
The thinner of the present invention is applicable to high-temperature acidic and the oil exploitation of high-temperature alkaline environment, and effect is more significantly.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (3)
1. for the thinner preparation technology of oil drilling, it is characterised in that including:
Step one, be added to the water mix homogeneously by dopamine, lignin, polyglycolic acid resin；
Step 2, heating, and sequentially by carbon tetrachloride, polyisobutene succinimide, sodium hydroxide and first in heating process
Acid is added in mixed liquor；
Step 3, added after, reach 60～80 DEG C in temperature and keep at least 2h；
Step 4, dried below 100 DEG C；
Wherein, the weight portion of each material is as follows: dopamine 2～6 parts, polyglycolic acid resin 2～4 parts, and polyisobutylene succinyl is sub-
Amine 8～12 parts, sodium hydroxide 2～4 parts, formic acid 6～9 parts, carbon tetrachloride 2～4 parts, lignin 3～6 parts；Described polyglycolic acid
Resin is the granule that particle diameter is less than 0.05um.
Thinner preparation technology for oil drilling the most according to claim 1, it is characterised in that described dopamine 4
～5 parts, polyglycolic acid resin 3～4 parts, polyisobutene succinimide 9～10 parts, sodium hydroxide 3～4 parts, formic acid 7～8 parts,
Carbon tetrachloride 3～4 parts, lignin 4～5 parts.
Thinner preparation technology for oil drilling the most according to claim 1, it is characterised in that described dopamine 5
Part, polyglycolic acid resin 4 parts, polyisobutene succinimide 9 parts, sodium hydroxide 3 parts, 8 parts of formic acid, carbon tetrachloride 4 parts, wooden
Element 4 parts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514355.1A CN106190082A (en) | 2016-07-04 | 2016-07-04 | Thinner preparation technology for oil drilling |
| PCT/CN2016/097431 WO2018006486A1 (en) | 2016-07-04 | 2016-08-30 | Manufacturing technique for viscosity reducing agent for oil well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514355.1A CN106190082A (en) | 2016-07-04 | 2016-07-04 | Thinner preparation technology for oil drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106190082A true CN106190082A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514355.1A Pending CN106190082A (en) | 2016-07-04 | 2016-07-04 | Thinner preparation technology for oil drilling |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106190082A (en) |
| WO (1) | WO2018006486A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115594385A (en) * | 2021-07-09 | 2023-01-13 | 北京中科润金环保工程股份有限公司（Cn） | High-temperature high-activity gel breaker for waste slurry treatment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048403A (en) * | 1990-08-10 | 1991-01-09 | 辽河石油勘探局钻井一公司 | A kind of non-toxic viscosity-decreasing agent used for drilling mud |
| CN1060671A (en) * | 1991-05-16 | 1992-04-29 | 西南石油学院 | A kind of synthesis method of water-base drilling fluid viscosity-depression agent |
| CN101717623A (en) * | 2009-11-30 | 2010-06-02 | 北京奥凯立科技发展股份有限公司 | Method for preparing viscosity depressant for drilling fluid |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2459471B (en) * | 2008-04-23 | 2010-07-14 | Schlumberger Holdings | Forecasting asphaltic precipitation |
| MX2008014694A (en) * | 2008-11-19 | 2009-11-19 | Green Zone S A De C V | Process for the reduction of viscosity in heavy hydrocarbons. |
| CN101805594B (en) * | 2010-04-02 | 2012-09-19 | 卫辉市化工有限公司 | Oil drilling slurry viscosity reducer |
| CN102899007B (en) * | 2012-10-31 | 2013-11-06 | 中国石油大学(华东) | High-temperature resistant viscosity reducer for drilling fluids and preparation method for viscosity reducer |
| CA2921277A1 (en) * | 2013-08-15 | 2015-02-19 | Ethical Solutions, Llc | Viscosity reduction of heavy oils by cashew nut shell liquid formulations |
| CN104946224A (en) * | 2014-03-28 | 2015-09-30 | 巩龙海 | Viscosity breaker and production technique thereof |
| CN104974729A (en) * | 2015-06-10 | 2015-10-14 | 天津大港油田滨港集团博弘石油化工有限公司 | Ternary composite oil displacement agent |
-
2016
- 2016-07-04 CN CN201610514355.1A patent/CN106190082A/en active Pending
- 2016-08-30 WO PCT/CN2016/097431 patent/WO2018006486A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048403A (en) * | 1990-08-10 | 1991-01-09 | 辽河石油勘探局钻井一公司 | A kind of non-toxic viscosity-decreasing agent used for drilling mud |
| CN1060671A (en) * | 1991-05-16 | 1992-04-29 | 西南石油学院 | A kind of synthesis method of water-base drilling fluid viscosity-depression agent |
| CN101717623A (en) * | 2009-11-30 | 2010-06-02 | 北京奥凯立科技发展股份有限公司 | Method for preparing viscosity depressant for drilling fluid |
Non-Patent Citations (4)
| Title |
|---|
| 夏宇正: "《精细高分子化工及应用》", 30 September 2000 * |
| 郑俊民: "《药用高分子材料学》", 31 January 2009 * |
| 黄可龙: "《精细化学品技术手册》", 30 June 1994 * |
| 黄峻: "《临床药物手册》", 31 January 2015 * |
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| WO2018006486A1 (en) | 2018-01-11 |
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Application publication date: 20161207 |
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