CN103571452B - One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof - Google Patents

One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof Download PDF

Info

Publication number
CN103571452B
CN103571452B CN201210262141.1A CN201210262141A CN103571452B CN 103571452 B CN103571452 B CN 103571452B CN 201210262141 A CN201210262141 A CN 201210262141A CN 103571452 B CN103571452 B CN 103571452B
Authority
CN
China
Prior art keywords
component
applicable
acidification corrosion
hydrochloric acid
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201210262141.1A
Other languages
Chinese (zh)
Other versions
CN103571452A (en
Inventor
解蓓蓓
韩文礼
张贻刚
宋有胜
张彦军
杨耀辉
郝志伟
徐忠苹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Offshore Engineering Co Ltd
CNPC Engineering Technology Research Institute Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Offshore Engineering Co Ltd
CNPC Engineering Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Petroleum Corp, CNPC Offshore Engineering Co Ltd, CNPC Engineering Technology Research Institute Co Ltd filed Critical China National Petroleum Corp
Priority to CN201210262141.1A priority Critical patent/CN103571452B/en
Publication of CN103571452A publication Critical patent/CN103571452A/en
Application granted granted Critical
Publication of CN103571452B publication Critical patent/CN103571452B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • C09K8/62Compositions for forming crevices or fractures
    • C09K8/72Eroding chemicals, e.g. acids
    • C09K8/74Eroding chemicals, e.g. acids combined with additives added for specific purposes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • C09K8/602Compositions for stimulating production by acting on the underground formation containing surfactants
    • C09K8/604Polymeric surfactants
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • C09K8/62Compositions for forming crevices or fractures
    • C09K8/72Eroding chemicals, e.g. acids
    • C09K8/725Compositions containing polymers
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25Methods for stimulating production
    • E21B43/26Methods for stimulating production by forming crevices or fractures
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/32Anticorrosion additives

Abstract

The present invention relates to one and be applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors and preparation method thereof, it is by A, B two components are formed, component A is by polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt, methylpentynol, oxalic dialdehyde, dimethyl formamide, Natvosol, polyoxyethylene nonylphenol ether E-20 and methyl alcohol are made, B component is by antimonypotassium tartrate, bismuth oxide, vitamins C and 1+1 hydrochloric acid are made, during use, order is by B component, component A adds in acidizing fluid, this acidification corrosion inhibitor is applied to 140 DEG C ~ 160 DEG C deep-wells, 15% ~ 28% concentrated hydrochloric acid or the job execution of soil acid acidizing well production increment, zero pour is low, good dispersity in acidizing fluid, there is the corrosion inhibition of extremely excellent high temperature resistant concentrated hydrochloric acid and mud acid corrosion, acidification corrosion inhibitor corrosion inhibition rate >=99%, erosion rate is lower than industry first grade standard.

Description

One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof
Technical field
The present invention relates to one and be applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof.
Background technology
Along with deepening continuously of oil-field development, the well-digging of new input development block increases, and in oil mining process, usually needs to improve recovery ratio by acidifying.The injection of acid causes the corrosion of oil pipe and down-hole hardware, causes very large financial loss.Therefore in oil well acidation, especially high temperature deep well and ultra deep well carry out in the deep-well acidifying of concentrated hydrochloric acid large acid amount, and important task solves the corrosion prevention problem of high temperature acidified liquid to oil pipe and down-hole hardware.In recent years, acidifying is progressively to high temperature deep well development, and in acidizing fluid, high temperature destroys serious to the inhibiter in acidizing fluid, and corrosion mitigating effect is extremely acute to decline, and original inhibiter can not meet high temperature acidified demand.At high temperature there is the shortcomings such as easy coking, layering, dissolution dispersity be stable not in current domestic conventional high temperature resistance acidification corrosion inhibitor, had not both protected oil pipe and down-hole hardware, and can cause again the injury on stratum.
Summary of the invention
The object of the invention is: provide one to be applicable to 140 DEG C ~ 160 DEG C deep-wells, 15% ~ 28% concentrated hydrochloric acid or the job execution of soil acid acidizing well production increment, acidification corrosion inhibitor corrosion inhibition rate >=99%, erosion rate is lower than industry first grade standard, good dispersity in hydrochloric acid, mud acid and ethanolic soln, there is better surfactivity, coking is few, and the one that zero pour is low is applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors and preparation method thereof.
The technical solution used in the present invention is:
One, a kind of raw material and formula being applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors:
Raw material comprises:
1, polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt (industrial goods)
Huang Hongzhou edits Chinese tensio-active agent overview one book, Chemical Industry Press the 61st page.
Purposes: new oil gas field acidification corrosion inhibitor component.
Factory: chemical industry system of Xi'an shiyou University.
2, methylpentynol (industrial goods)
What shining outstanding person of Wang Zhonghua etc. writes oil field chemical application manual one book, Sinopec press the 222nd page.
Purposes: acidification corrosion inhibitor component.
3, oxalic dialdehyde (industrial goods)
What shining outstanding person of Wang Zhonghua etc. writes oil field chemical application manual one book, Sinopec press the 222nd page.
Purposes: acidification corrosion inhibitor component.
Factory: chemical plant, Gai County, Liaoning Province.
4, dimethyl formamide (industrial goods) No. CAS: 68-12-2
Purposes: acidification corrosion inhibitor component, aprotonic solvent.
5, Natvosol (industrial goods)
Huang Hongzhou edits Chinese tensio-active agent overview one book, Chemical Industry Press the 434th page.
Another name: HEC
Character: there is the performances such as thickening, suspension, emulsification, dispersion, be usually used in dispersion agent, thickening material etc.
Production unit: jiangsu wuxi Chemical Group company
6, polyoxyethylene nonylphenol ether E-20(industrial goods)
Huang Hongzhou edits Chinese tensio-active agent overview one book, Chemical Industry Press the 340th page.
Another name: octyl phenol polyoxyethylene (20) ether
Purposes: nonionogenic tenside, as high temperature emulsifying agent, stablizer, high density ionogen wetting agent etc.
Production unit: Xingtai area auxiliary reagent factory
7, methyl alcohol (industrial goods) No. CAS: 67-56-1
Purposes: acidification corrosion inhibitor solvent.
8, antimonypotassium tartrate (industrial goods) No. CAS: 28300-74-5
9, bismuth oxide (industrial goods) No. CAS: 1304-76-3
10, vitamins C (industrial goods) No. CAS: 50-81-7
11, hydrochloric acid (industrial goods) No. CAS: 7647-01-0
One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors, and it is made up of A, B two components, and component A weight percent is:
Polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt: 30 ~ 35%;
Methylpentynol: 0.3 ~ 0.6%;
Oxalic dialdehyde: 0.1 ~ 0.3%;
Dimethyl formamide: 2 ~ 5%;
Natvosol: 0.5 ~ 3%
Polyoxyethylene nonylphenol ether E-20:15 ~ 18%
All the other are methyl alcohol; Each weight percentages of components sum is 100%.
B component weight percent is:
Antimonypotassium tartrate: 15 ~ 20%;
Bismuth oxide: 10 ~ 15%;
Vitamins C: 10 ~ 15%;
All the other are 1+1 hydrochloric acid; Each weight percentages of components sum is 100%.
Composition during use is the A liquid of 1.5 ~ 3 weight parts and the B liquid of 1 weight part.
Two, a kind of preparation method being applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors:
Major equipment:
There is the enamel reaction still of 2000L of stirring, heating, cooling and vacuum system.
Component A production method is:
Methyl alcohol 50% is added enamel reaction still in proportion, slowly be warmed up to 55 ~ 60 DEG C, Natvosol is added under continuous stirring state, be stirred to all Natvosols to dissolve completely, again by polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt, methylpentynol, oxalic dialdehyde, dimethyl formamide, polyoxyethylene nonylphenol ether E-20 adds enamel reaction still in proportion, limit edged stirs, stir 30 minutes, finally add the methyl alcohol of remainder and stir 30 minutes, stop heating, cooling limit, limit is stirred, be cooled to normal temperature, obtain one and be applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitor component A.
B component production method is:
1+1 hydrochloric acid is added enamel reaction still in proportion.Slowly be warmed up to 40 ~ 50 DEG C; Secondly, under continuous stirring state, add antimonypotassium tartrate, bismuth oxide, vitamins C, limit edged stirs; Stir 30 minutes; Stop heating; Cooling limit, limit is stirred, and is cooled to normal temperature, obtains one and be applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitor B component.
A kind of using method being applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors: on dosing scene, operating personnel adds the B component and component A that are applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors in turn, the A liquid of 1.5 ~ 3 weight parts and the B liquid of 1 weight part.The total amount adding acidification corrosion inhibitor is 3% ~ 4% of acid solution weight.
The present invention's beneficial effect compared with prior art
1, of the present inventionly 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors are applicable to, be applicable to 140 DEG C ~ 160 DEG C deep-wells, 15% ~ 28% concentrated hydrochloric acid or the job execution of soil acid acidizing well production increment, acidification corrosion inhibitor corrosion inhibition rate >=99%, erosion rate is lower than industry first grade standard, good dispersity in hydrochloric acid, mud acid and ethanolic soln, have better surfactivity, coking is few, and zero pour is low.
2, production technique is simple, need not specific installation.
Embodiment
Embodiment 1: one is applicable to 140 DEG C of high-temperature acidification corrosion inhibitors, and component A weight percent is:
Polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt: 30%;
Methylpentynol: 0.6%;
Oxalic dialdehyde: 0.1%;
Dimethyl formamide: 2%;
Natvosol: 0.5%;
Polyoxyethylene nonylphenol ether E-20:15%;
Methyl alcohol; 51.8%.
B component weight percent is:
Antimonypotassium tartrate: 15%;
Bismuth oxide: 15%;
Vitamins C: 10%;
1+1 hydrochloric acid: 60%.
Composition during use is the A liquid of 3 weight parts and the B liquid of 1 weight part.
Preparation method is:
The preparation method of component A is:
Methyl alcohol 50% is added enamel reaction still in proportion, slowly be warmed up to 55 ~ 60 DEG C, Natvosol is added under continuous stirring state, be stirred to all Natvosols to dissolve completely, again by polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt, methylpentynol, oxalic dialdehyde, dimethyl formamide, polyoxyethylene nonylphenol ether E-20 adds enamel reaction still in proportion, limit edged stirs, stir 30 minutes, finally add the methyl alcohol of remainder and stir 30 minutes, stop heating, cooling limit, limit is stirred, be cooled to normal temperature, obtain one and be applicable to 140 DEG C of high-temperature acidification corrosion inhibitor component A.
The production method of B component is:
1+1 hydrochloric acid is added enamel reaction still in proportion.Slowly be warmed up to 40 ~ 50 DEG C; Secondly, under continuous stirring state, add antimonypotassium tartrate, bismuth oxide, vitamins C, limit edged stirs; Stir 30 minutes; Stop heating; Cooling limit, limit is stirred, and is cooled to normal temperature, obtains one and be applicable to 140 DEG C of high-temperature acidification corrosion inhibitor B component.
Embodiment 2: one is applicable to 140 DEG C of high-temperature acidification corrosion inhibitors, and component A weight percent is:
Polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt: 31%;
Methylpentynol: 0.5%;
Oxalic dialdehyde: 0.15%;
Dimethyl formamide: 3%;
Natvosol: 1%;
Polyoxyethylene nonylphenol ether E-20:15.5%;
Methyl alcohol; 48.85%.
B component weight percent is:
Antimonypotassium tartrate: 16%;
Bismuth oxide: 14%;
Vitamins C: 11%;
1+1 hydrochloric acid: 59%.
Composition during use is the A liquid of 3 weight parts and the B liquid of 1 weight part.
The preparation method that embodiment 2 one kinds is applicable to 140 DEG C of high-temperature acidification corrosion inhibitors is identical with embodiment 1.
Embodiment 3: one is applicable to 150 DEG C of high-temperature acidification corrosion inhibitors, and component A weight percent is:
Polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt: 33%;
Methylpentynol: 0.4%;
Oxalic dialdehyde: 0.2%;
Dimethyl formamide: 4%;
Natvosol: 1.5%;
Polyoxyethylene nonylphenol ether E-20:16%;
Methyl alcohol; 44.9%.
B component weight percent is:
Antimonypotassium tartrate: 17%;
Bismuth oxide: 13%;
Vitamins C: 13%;
1+1 hydrochloric acid: 57%.
Composition during use is the A liquid of 2.5 weight parts and the B liquid of 1 weight part.
The preparation method that embodiment 3 one kinds is applicable to 150 DEG C of high-temperature acidification corrosion inhibitors is identical with embodiment 1.
Embodiment 4: one is applicable to 160 DEG C of high-temperature acidification corrosion inhibitors, and component A weight percent is:
Polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt: 34%;
Methylpentynol: 0.4%;
Oxalic dialdehyde: 0.25%;
Dimethyl formamide: 5%;
Natvosol: 2%;
Polyoxyethylene nonylphenol ether E-20:17%;
Methyl alcohol; 41.35%.
B component weight percent is:
Antimonypotassium tartrate: 19%;
Bismuth oxide: 11%;
Vitamins C: 14%;
1+1 hydrochloric acid: 56%.
Composition during use is the A liquid of 2 weight parts and the B liquid of 1 weight part.
The preparation method that embodiment 4 one kinds is applicable to 160 DEG C of high-temperature acidification corrosion inhibitors is identical with embodiment 1.
Embodiment 5: one is applicable to 160 DEG C of high-temperature acidification corrosion inhibitors, and component A weight percent is:
Polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt: 35%;
Methylpentynol: 0.3%;
Oxalic dialdehyde: 0.3%;
Dimethyl formamide: 5%;
Natvosol: 3%;
Polyoxyethylene nonylphenol ether E-20:18%;
Methyl alcohol; 38.4%.
B component weight percent is:
Antimonypotassium tartrate: 20%;
Bismuth oxide: 10%;
Vitamins C: 15%;
1+1 hydrochloric acid: 55%.
Composition during use is the A liquid of 1.5 weight parts and the B liquid of 1 weight part.
The preparation method that embodiment 5 one kinds is applicable to 160 DEG C of high-temperature acidification corrosion inhibitors is identical with embodiment 1.
Effect:
That prepares according to above 5 embodiments is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitor performances and all can reaches table 1 test result.
Table 1 the performance test results

Claims (3)

1. be applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors, it is characterized in that: it is made up of A, B two components, and component A weight percent is:
Polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt: 30 ~ 35%;
Methylpentynol: 0.3 ~ 0.6%;
Oxalic dialdehyde: 0.1 ~ 0.3%;
Dimethyl formamide: 2 ~ 5%;
Natvosol: 0.5 ~ 3%
Polyoxyethylene nonylphenol ether E-20:15 ~ 18%
All the other are methyl alcohol;
Each weight percentages of components sum is 100%;
B component weight percent is:
Antimonypotassium tartrate: 15 ~ 20%;
Bismuth oxide: 10 ~ 15%;
Vitamins C: 10 ~ 15%;
All the other are 1+1 hydrochloric acid;
Each weight percentages of components sum is 100%;
Composition during use is the A liquid of 1.5 ~ 3 weight parts and the B liquid of 1 weight part.
2. the preparation method being applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors according to claim 1, is characterized in that: component A preparation method is:
First, methyl alcohol 50% is added enamel reaction still in proportion, slowly be warmed up to 55 ~ 60 DEG C, Natvosol is added under continuous stirring state, be stirred to all Natvosols to dissolve completely, again by polycyclic aromatic hydrocarbons chloromethyl compound pyridine quaternary ammonium salt, methylpentynol, oxalic dialdehyde, dimethyl formamide, polyoxyethylene nonylphenol ether E-20 adds enamel reaction still in proportion, limit edged stirs, stir 30 minutes, finally add the methyl alcohol of remainder and stir 30 minutes, stop heating, cooling limit, limit is stirred, be cooled to normal temperature, obtain one and be applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitor component A,
B component preparation method is:
First, 1+1 hydrochloric acid is added enamel reaction still in proportion, be slowly warmed up to 40 ~ 50 DEG C; Secondly, under continuous stirring state, add antimonypotassium tartrate, bismuth oxide, vitamins C, limit edged stirs; Stir 30 minutes; Stop heating; Cooling limit, limit is stirred, and is cooled to normal temperature, obtains one and be applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitor B component.
3. the application being applicable to 140 DEG C ~ 160 DEG C of high-temperature acidification corrosion inhibitors according to claim 1, it is characterized in that: for 140 DEG C ~ 160 DEG C deep-wells, 15% ~ 28% concentrated hydrochloric acid or the job execution of soil acid acidizing well production increment, the total amount adding acidification corrosion inhibitor is 3% ~ 4% of acid solution weight.
CN201210262141.1A 2012-07-26 2012-07-26 One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof Active CN103571452B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210262141.1A CN103571452B (en) 2012-07-26 2012-07-26 One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210262141.1A CN103571452B (en) 2012-07-26 2012-07-26 One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof

Publications (2)

Publication Number Publication Date
CN103571452A CN103571452A (en) 2014-02-12
CN103571452B true CN103571452B (en) 2016-02-10

Family

ID=50044176

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210262141.1A Active CN103571452B (en) 2012-07-26 2012-07-26 One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof

Country Status (1)

Country Link
CN (1) CN103571452B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110129022B (en) * 2019-04-19 2021-03-09 中国石油天然气股份有限公司 High-temperature-resistant corrosion inhibitor for online acidification and preparation and use methods thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034140A (en) * 1989-11-27 1991-07-23 Halliburton Company Well acidizing compositions and method
CA2049365A1 (en) * 1990-08-17 1992-02-18 Gene Mancillas Acid inhibitor composition for use in well acidizing operations
US5441929A (en) * 1994-06-23 1995-08-15 Halliburton Company Hydrochloric acid acidizing composition and method
CN101892042A (en) * 2010-06-30 2010-11-24 中国海洋石油总公司 High temperature acidizing corrosion inhibitor and preparation method thereof
CN102585796A (en) * 2012-01-13 2012-07-18 西南石油大学 Acidizing corrosion inhibitor N-(gamma-methylanthracene) pyridine chloride and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034140A (en) * 1989-11-27 1991-07-23 Halliburton Company Well acidizing compositions and method
CA2049365A1 (en) * 1990-08-17 1992-02-18 Gene Mancillas Acid inhibitor composition for use in well acidizing operations
US5441929A (en) * 1994-06-23 1995-08-15 Halliburton Company Hydrochloric acid acidizing composition and method
CN101892042A (en) * 2010-06-30 2010-11-24 中国海洋石油总公司 High temperature acidizing corrosion inhibitor and preparation method thereof
CN102585796A (en) * 2012-01-13 2012-07-18 西南石油大学 Acidizing corrosion inhibitor N-(gamma-methylanthracene) pyridine chloride and preparation method thereof

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"7701"缓蚀剂协同效应的研究;俞敦义等;《应用化工》;19861028(第05期);46-47 *
一种防H_2S腐蚀的缓蚀剂制备与现场挂片试验研究;熊颖等;《钻采工艺》;20070925;第30卷(第05期);131-134 *
油气井酸化缓蚀剂的研究(ⅣA)――4―甲基吡啶釜残的剖析及其对钢铁/盐酸体系的缓蚀作用;杨文治等;《应用化工》;19820302(第01期);1-12 *
酸化液缓蚀剂对地层损害的实验研究;张汝生等;《油田化学》;19980325;第15卷(第01期);29-41 *

Also Published As

Publication number Publication date
CN103571452A (en) 2014-02-12

Similar Documents

Publication Publication Date Title
CN108102624B (en) Neutral blockage removal treating agent and preparation method thereof
CN102031526A (en) Low-temperature acidification corrosion inhibitor and preparation method thereof
CN102516976B (en) Preparation method of multi-component organic cross-linked acid liquid
CN107418549B (en) Composite acidizing corrosion inhibitor capable of resisting temperature of 120-140 DEG C
CN104212428B (en) It is a kind of to be adapted to high temperature acidified Mannich base corrosion inhibiter preparation method and applications
CN107418548B (en) Pyridine derivative and Mannich base composite high-temperature acidizing corrosion inhibitor
CN108018559B (en) A kind of Compositional type corrosion inhibitor for oil field and preparation method thereof
CN104830298A (en) Water-based emulsion composite blocking remover
CN104629711A (en) Slow-speed low-friction acid solution system for acid fracturing
CN103059825A (en) Corrosion inhibitor for oil wells and preparation method
CN102051622A (en) Carbon steel acidizing corrosion inhibitor
CN100537699C (en) A kind of water soluble friction reducer used for thick oil well and preparation method thereof
CN112358864A (en) Nano emulsion acid system and preparation method and application thereof
CN103571452B (en) One is applicable to 140 DEG C ~ 160 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications thereof
CN103571448B (en) One is applicable to 160 DEG C~180 DEG C high-temperature acidification corrosion inhibitors and preparation and application
CN107418547B (en) High-temperature acidizing corrosion inhibitor based on tribenzyl- (2-benzyl) pyridinium ammonium chloride
CN107216865B (en) Self-diverting acidizing fluid and preparation method and application thereof
CN111500274A (en) Organic zirconium cross-linking agent, cross-linked acid sand-carrying liquid and preparation method
CN101121881A (en) Emulsification viscosity reducing agent for crude oil centralization transmission and preparation method thereof
CN112745821A (en) Temperature-resistant and salt-resistant oil displacement agent for offshore thick oil steam accompanying injection and application thereof
CN106243925A (en) A kind of tubing and casing stores by interior protective coating and preparation method
CN103571451B (en) One is applicable to 120 DEG C ~ 140 DEG C high-temperature acidification corrosion inhibitors and Synthesis and applications
CN115011324B (en) Multifunctional drag reducer convenient to use and slick water fracturing fluid prepared from same
CN101955765B (en) Flushing fluid for oil well lined with oil tube
CN105238379A (en) Long-acting corrosion inhibitor for gas well acidification, preparation method and application method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant