SU812742A1

SU812742A1 - Reagent for preventing growth of sulfate-reducing bacteria

Info

Publication number: SU812742A1
Application number: SU792784056A
Authority: SU
Inventors: Рим Халитович Хазипов; Дилюс Лутфуллич Рахманкулов; Семен Соломонович Злотский; Ольга Ивановна Матыцина; Татьяна Павловна Котова; Владимир Викторович Зорин; Альбина Анатольевна Лапшова
Original assignee: Башкирский Государственный Научно- Исследовательский И Проектныйинститут Нефтяной Промышленности; Уфимский Нефтяной Институт
Priority date: 1979-06-13
Filing date: 1979-06-13
Publication date: 1981-03-15

Description

Изобретение относится к реагентам для борьбы с сульфатвосстанавливающими бактериями и может быть использовано в различных отраслях промышленности, в частности в нефтяной промышленности при обработке воды, закачиваемой в нефтяные пласты.The invention relates to reagents for combating sulfate-reducing bacteria and can be used in various industries, in particular in the oil industry, in the treatment of water injected into oil reservoirs.

При добыче нефти путем поддержания пластового давления заводнением, нефтяные залежи заражаются различными физиологическими группа- . ми бактерий, в том числе и сульфатвосстанавливающими.During oil production by maintaining reservoir pressure by water flooding, oil deposits are infected by various physiological groups. mi bacteria, including sulfate reducing.

Основным из методов борьбы с сульфатвосстанавливающими бактериями (СВБ) является обработка воды, например, заканчиваемой в нефтяные пласты, бактерицидами.The main method of combating sulfate-reducing bacteria (BSC) is the treatment of water, for example, ending in oil reservoirs, with bactericides.

Известно использование акролеина для обработки воды, заканчиваемой в пласт для предотвращения роста СВБ [1].It is known to use acrolein for treating water ending in a formation to prevent the growth of SVB [1].

Недостатком данного реагента является низкая степень подавления роста бактерий и необходимость применения повышенных концентраций для полного подавления их роста.The disadvantage of this reagent is the low degree of inhibition of bacterial growth and the need to use high concentrations to completely suppress their growth.

Цель изобретения — повышение степени подавления сульфатвосстанавливаю щих бактерий.The purpose of the invention is to increase the degree of suppression of sulfate-reducing bacteria.

Эта цель достигается обработкой воды, например, закачиваемой в пласт, пропиламиноэтанолом в количестве 0,05-0,1 масс.%.This goal is achieved by treating water, for example, injected into the reservoir, propylaminoethanol in an amount of 0.05-0.1 wt.%.

' 5 Соединение представляет собой проз· рачную жидкость желтоватого цвета, имеющую формулу C₃H_Z - NH - С_а1ЦОН. Реагент растворяется в эфире в любых соотношениях и, частично, в 10 воде. Его использование возможно в качестве реагента в органической химии для защиты карбонильной группы (2].'5 The compound is a yellowish clear liquid having the formula C ₃ H _Z - NH - C _and 1CON. The reagent is dissolved in ether in any ratio and, partially, in 10 water. Its use is possible as a reagent in organic chemistry to protect the carbonyl group (2].

Бактерицидную активность рекомен15 дуемого реагента определяют по известной методике, основанной на обработке реагентом сред, содержащих СВБ. Методика испытаний заключается в следующем.The bactericidal activity of the recommended reagent15 is determined by a known method based on the treatment of the reagent with media containing SVB. The test procedure is as follows.

В промысловую воду, содержащую СВБ, в стерильных анаэробных условиях вводят определенное количество реаген та (0,05-0,1 масс. %) и выдерживают ч при 32°С. Затем из этих проб отбирают по 1 мп жидкости и вводят в бутылочки с питательной средой Постгейта. Бутылочки термостатируют при 32°С в течение 15 сут. Одновре'менно с этим ставят контрольную пробу без добавки реагента и с добавкой реагента по известному. Во всех случаях проводят по три параллельных опыта.Under sterile anaerobic conditions, a certain amount of reagent (0.05–0.1 wt%) is introduced into commercial water containing SVB and kept at 32 ° С. Then, 1 megapixel liquid is taken from these samples and introduced into bottles with Postgate nutrient medium. The bottles are thermostated at 32 ° C for 15 days. At the same time, they put a control sample without the addition of a reagent and with the addition of a reagent as is known. In all cases, three parallel experiments are performed.

Бактерицидную активность реагентов оценивают по величине степени подавления роста СВБ, определенной по формулеThe bactericidal activity of the reagents is assessed by the degree of inhibition of the growth of SVB, defined by

S = ---^⁴->100%,S = --- ^ ⁴ -> 100%,

С« где и С_а - содержание H₂S в контрольной и исследуемой пробах (мг/л).With "where and With _a - the content of H ₂ S in the control and test samples (mg / l).

Данные о степени подавления роста (%) сульфатвосстанавливающих бак терий пропиламиноэтанолом в сравнении;Data on the degree of growth inhibition (%) of sulfate reducing bacteria by propylaminoethanol in comparison;

с акролеином приведены в таблице.with acrolein are given in the table.

’Г’G

Концентрация реагента, масс. %The concentration of the reagent, mass. %

ПроЛиламиноэтанолProLilaminoethanol

Акролеин расширении ассортимента доступных к промышленному применению химических продуктов, используемых для предотвращения роста бактерий, это обстоятельство является особо важным, так как микроорганизмы способны адаптироваться и требуется периодическое применение различных по механизму действия, бактерицидов. Кроме того, предотвращение сероводородной и микробиологической коррозии, например нефтепромыслового оборудования, сокращает число аварийных прорывов водоводов и снижение экономических затрат.Acrolein broadening the range of chemical products available for industrial use, used to prevent the growth of bacteria, this fact is especially important, since microorganisms are able to adapt and require periodic use of various bactericides according to the mechanism of action. In addition, the prevention of hydrogen sulfide and microbiological corrosion, such as oilfield equipment, reduces the number of emergency breakthroughs in pipelines and reduces economic costs.

Эффективное предотвращение роста СВБ позволяет также снизить заражение нефтяных месторождений и добываемой продукции сероводородом.Effectively preventing the growth of SFS can also reduce the contamination of oil fields and produced products with hydrogen sulfide.

2020

0,010.01

0,05 0.05 100 100 63 63 0,1 0.1 100 100 81 81

Полученные результаты показывают, что предлагаемый реагент имеет высокую степень подавления роста сульфатвосстанавливающих бактерий. мThe results show that the proposed reagent has a high degree of inhibition of the growth of sulfate-reducing bacteria. m

Основные преимущества использова- *т ния предлагаемого реагента заключаются в его высокой эффективности по сравнению с известным реагентом, вThe main advantages of using the proposed reagent are its high efficiency in comparison with the known reagent, in

Claims

The invention relates to a reagent for controlling sulphate-reducing bacteria and can be used in various sectors of the industry, in particular in the oil industry, when treating water pumped into oil reservoirs. When oil is produced by the under-holder; neither the reservoir pressure is caused by flooding, the oil deposits are contaminated by various physiological groups of bacteria, including sulfate reducing bacteria. The main method of controlling sulphate-reducing bacteria (SRB) is the treatment of water, for example, finished in oil plates, with bactericides. It is known to use acrolein to treat water that ends up in the formation to prevent the growth of SSC 1. The disadvantage of this reagent is the low degree of inhibition of bacterial growth and the need to use elevated concentrations to completely suppress their growth. The purpose of the invention is to increase the degree of inhibition of sulfate-reducing bacteria. This goal is achieved by treating water, for example, injected into the formation, with propylamino ethanol in an amount of 0.05-0.1 wt.%. The compound is a clear, yellowish liquid having the formula CyHj - NH - C., 1COH. The reagent is dissolved in ether in any ratios and / partially, in water. Its use is possible as a reagent in organic chemistry to protect the carbonyl group 2. The bactericidal activity of the recommended reagent is determined by a known technique based on the treatment with reagent of media containing SSC. The test procedure is as follows. A certain amount of the reagent (0.05-0.1 wt.%) Is introduced into the steroid anaerobic production water and sterilized for 24 hours at 3-2 sec. Then, 1 ml of liquid is taken from these samples and injected into bottles with Postgate nutrient medium. Bottles are thermostatic at З2с for 15 days. At the same time, a control sample was placed without the addition of the reagent and with the addition of the reagent as is known. In all cases, three parallel experiments were carried out. The bactericidal activity of the reagents is estimated by the degree of inhibition of the growth of sulfate reducing bacteria determined by the formula C – Ct C–, where C and Cj are the content of NdZ in the control and test samples (mg / l). propylaminoethanol in comparison with acrolein are given in the table. The obtained results show that the proposed reagent has a high cTeniSHb inhibiting the growth of sulfate reducing bacteria. The main advantages of using the reagent are in its high efficiency as compared with the known reagent, in expanding the range of commercially available chemical products used to prevent the growth of bacteria, this is particularly important because microorganisms can be adapted and require periodic use. bactericides of various mechanisms of action. In addition, the prevention of hydrosulphuric and microbiological corrosion, such as oilfield equipment, reduces the number of emergency breakouts of water lines and reduces economic costs. Effectively preventing the growth of sulfate reducing bacteria also reduces the contamination of oil fields and hydrogen sulfide production. Claims of the Invention The use of propylaminoethanol of the formula CjHy-NH - as a reagent for preventing the growth of sulfate-reducing bacteria. Sources of information taken into account in the examination 1. US Patent 2987475, cl. 252-8.55, 1966.

2. Protective groups in organic chemistry. Ed. D. Makomi. M., 1976, p. 373.