CN104212480A - Hydrogen sulfide gas desulfurizer for oil well workover treatment process - Google Patents
Hydrogen sulfide gas desulfurizer for oil well workover treatment process Download PDFInfo
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- CN104212480A CN104212480A CN201310219993.7A CN201310219993A CN104212480A CN 104212480 A CN104212480 A CN 104212480A CN 201310219993 A CN201310219993 A CN 201310219993A CN 104212480 A CN104212480 A CN 104212480A
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- hydrogen sulfide
- oil well
- desulfurizer
- well
- workover treatment
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to a hydrogen sulfide gas desulfurizer for oil well workover treatment process; the hydrogen sulfide gas desulfurizer comprises following the components by weight: 50-60% of zinc sulfate, 10-15% of sulfolane, 5-10% of propylene carbonate, 3-5% of dipropylene glycol dimethyl ether, 0.1-0.3% of phenyl imidazoline, 0.05-0.1% of glyphosate, 3-5% of industrial cleaning agent 6501, 1-3% of polyacrylamide, 1-3% of guar gum, and balance of water; in a crude oil well shaft, the hydrogen sulfide gas desulfurizer can, as far as possible, float on the oil well liquid level and may not sink into the well bottom, at the same time, the hydrogen sulfide gas desulfurizer can use well bottom associated gas for production of desulfurizer bubbles, so that hydrogen sulfide can be in the space of a well shaft ring sleeve, and the hydrogen sulfide can be further reacted, double desulfurization effects can be achieved, before high hydrogen sulfide content oil well workover treatment, the desulfurizer is added, and hydrogen sulfide can be reduced to zero within two hours, and by single-time dosing, when a well mouth is opened after the well workover treatment, the hydrogen sulfide concentration within 10-15 days can be ensured to be a safe concentration of below 10mg / m<3>.
Description
Technical field
The present invention relates to a kind for the treatment of agent removing oil well hydrogen sulfide, be applicable to the improvement of oil field high-hydrogen sulfide oil well hydrogen sulfide, belong to oil-gas field toxic and harmful and administer field.
Background technology
With regard to petroleum industry, H
2the distribution of S gas widely, to employee's life security and health of human body very harmful.When concentration of hydrogen sulfide time concentration higher (50 ~ 200ppm), will the oxygen in blood be seized, and make body tube poisoning because of anoxic; And time very high concentrations (700 ~ 2000ppm), only need a few second people will lose self-saving ability, as rescued death not in time.
At present to becoming the Treatment process of hydrogen sulfide to mainly contain two classes, one class is killed except sulphate reducing bacteria in system by adding chemical bactericide in gathering system, but life-time service is easily to environment and cause human injury, and sterilant life-time service can make the sulphate reducing bacteria in system produce resistance, the increase along with the filling time reduces by germ-killing efficiency, but at present oil well hydrogen sulfide mainly due to crude oil from stratum out time self with hydrogen sulfide, therefore any effect can not be produced for sterilant, crude oil sulphur removal operation must be carried out, and sulfur elimination conventional at present mainly contains sedimentation type, oxidized form and organic type, and these sulfur eliminations mainly use Sweet natural gas to remove hydrogen sulfide in petroleum industry, and due to after current this sweetening agent dosing oil well owing to it being extracted out from pit shaft by oil well pump along with time lengthening sweetening agent sinks to shaft bottom, a large amount of medicament is caused not reach sweetening effectiveness and run off with crude oil, discharge from oil well ring set space with associated gas because the large sweetening agent of some oil wells associated gas content does not reach the enough reaction times with hydrogen sulfide in the wellbore simultaneously, it adds in pit shaft to float over as far as possible and does not sink to shaft bottom on oil well liquid level and extracted out by oil well pump to be necessary to develop targetedly a kind of sweetening agent based on this, shaft bottom associated gas can be utilized to produce sweetening agent foam simultaneously, hydrogen sulfide can be reacted with hydrogen sulfide further in pit shaft ring set space, reach dual sweetening effectiveness
Summary of the invention
The object of this invention is to provide hydrogen sulfide sweetening agent in a kind of workover rig service to oil well process, administer the release of sulfide hydrogen oil well hydrogen sulfide associated gas, removal of hydrogen sulfide release causes potential hazard to personnel and equipment, the 10mg/m making oil field concentration of hydrogen sulfide meet " workplace harmful factors occupational exposure limit " (GBZ2-2002) to require
3, conscientiously realize safety in production, stop hydrogen sulfide poisoning accident and occur.
Hydrogen sulfide sweetening agent composition and content thereof in workover rig service to oil well process of the present invention, in composition weight sum for 100: zinc sulfate 50-60%, tetramethylene sulfone 10-15%, propene carbonate 5-10%, dimethyl ether 3-5%, benzylimidazoline 0.1-0.3%, glyphosate 0.05-0.1%, industrial 6501 clean-out systems are 3-5%, polyacrylamide 1-3%, guanidine glue 1-3%, all the other are water, and starting material used in the present invention can be buied from market.
In workover rig service to oil well process of the present invention, hydrogen sulfide sweetening agent can float over as far as possible on oil well liquid level and not sink to shaft bottom in crude oil pit shaft, shaft bottom associated gas can be utilized to produce sweetening agent foam simultaneously, hydrogen sulfide can be reacted with hydrogen sulfide further in pit shaft ring set space, reach dual sweetening effectiveness, it can be down to zero for hydrogen sulfide in after adding sweetening agent before high-hydrogen sulfide workover rig service to oil well two hours, and single dosing ensure that workover treatment to open after well head in 10-15 days concentration of hydrogen sulfide at 10mg/m
3safe concentration below.
Accompanying drawing explanation
Fig. 1 adds certain oil well concentration of hydrogen sulfide figure after sulfur elimination
Embodiment
Certain well mouth of oil well casing gas H
2s concentration reaches 100mg/m
3, crude production rate is 1 cubic metre of every day.
Before workover treatment, add sweetening agent 50kg after two hours, oil well H detected
2s concentration reaches 10mg/m
3safe concentration below.
Sweetening agent is as follows:
Embodiment 1
Its oil well hydrogen sulfide sweetening agent composition and content (in composition weight sum for 100) thereof: zinc sulfate 55%, tetramethylene sulfone 13%, propene carbonate 10%, dimethyl ether 5%, benzylimidazoline 0.1%, glyphosate 0.08%, industrial 6501 are 5%, polyacrylamide 2%, guanidine glue 2%, and all the other are water.Starting material used in the present invention can be buied from market.
Embodiment 2
Point weight sum is 100: zinc sulfate 50%, tetramethylene sulfone 10%, propene carbonate 5%, dimethyl ether 3%, benzylimidazoline 0.3%, glyphosate 0.05%, industrial 6501 clean-out systems are 3%, polyacrylamide 1%, guanidine glue 1%, and all the other are water.
Embodiment 3
Point weight sum is 100: zinc sulfate 60%, tetramethylene sulfone 15%, propene carbonate 8%, dimethyl ether 4%, benzylimidazoline 0.2%, glyphosate 0.05%, industrial 6501 clean-out systems are 4%, polyacrylamide 1%, guanidine glue 1%, and all the other are water.
Claims (1)
1. hydrogen sulfide sweetening agent in a workover rig service to oil well process, it is characterized in that: each component and content thereof, in composition weight sum for 100: zinc sulfate 50-60%, tetramethylene sulfone 10-15%, propene carbonate 5-10%, dimethyl ether 3-5%, benzylimidazoline 0.1-0.3%, glyphosate 0.05-0.1%, industrial 6501 clean-out systems are 3-5%, polyacrylamide 1-3%, guanidine glue 1-3%, and all the other are water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219993.7A CN104212480B (en) | 2013-06-05 | 2013-06-05 | Hydrogen sulfide sweetening agent in a kind of workover rig service to oil well process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219993.7A CN104212480B (en) | 2013-06-05 | 2013-06-05 | Hydrogen sulfide sweetening agent in a kind of workover rig service to oil well process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104212480A true CN104212480A (en) | 2014-12-17 |
| CN104212480B CN104212480B (en) | 2016-02-10 |
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|---|---|---|---|
| CN201310219993.7A Active CN104212480B (en) | 2013-06-05 | 2013-06-05 | Hydrogen sulfide sweetening agent in a kind of workover rig service to oil well process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479468A (en) * | 2016-09-28 | 2017-03-08 | 陕西森瑞石油技术开发有限公司 | A kind of oil gas field efficient sulfur elimination of organic composite and preparation method and application |
| CN111135689A (en) * | 2019-12-26 | 2020-05-12 | 中国石油天然气股份有限公司 | Method for inhibiting escape of hydrogen sulfide in acidification process of water injection well |
| CN112031737A (en) * | 2020-11-03 | 2020-12-04 | 东营市百扬石油科技有限责任公司 | Air blowing type foaming agent for removing hydrogen sulfide in foam isolation of oil extraction well head |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2926751A (en) * | 1958-09-22 | 1960-03-01 | Fluor Corp | Organic carbonate process for carbon dioxide |
| CN102816584A (en) * | 2012-08-16 | 2012-12-12 | 西安建筑科技大学 | Water-soluble desulfurization agent, preparation and application thereof |
| CN102828724A (en) * | 2011-06-17 | 2012-12-19 | 中国石油天然气股份有限公司 | Method for preventing hydrogen sulfide gas in repairing work of hydrogen sulfide contained oil well |
-
2013
- 2013-06-05 CN CN201310219993.7A patent/CN104212480B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2926751A (en) * | 1958-09-22 | 1960-03-01 | Fluor Corp | Organic carbonate process for carbon dioxide |
| CN102828724A (en) * | 2011-06-17 | 2012-12-19 | 中国石油天然气股份有限公司 | Method for preventing hydrogen sulfide gas in repairing work of hydrogen sulfide contained oil well |
| CN102816584A (en) * | 2012-08-16 | 2012-12-12 | 西安建筑科技大学 | Water-soluble desulfurization agent, preparation and application thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479468A (en) * | 2016-09-28 | 2017-03-08 | 陕西森瑞石油技术开发有限公司 | A kind of oil gas field efficient sulfur elimination of organic composite and preparation method and application |
| CN106479468B (en) * | 2016-09-28 | 2019-06-07 | 陕西森瑞石油技术开发有限公司 | A kind of efficient sulfur elimination of oil gas field organic composite and the preparation method and application thereof |
| CN111135689A (en) * | 2019-12-26 | 2020-05-12 | 中国石油天然气股份有限公司 | Method for inhibiting escape of hydrogen sulfide in acidification process of water injection well |
| CN111135689B (en) * | 2019-12-26 | 2022-05-06 | 中国石油天然气股份有限公司 | Method for inhibiting escape of hydrogen sulfide in acidification process of water injection well |
| CN112031737A (en) * | 2020-11-03 | 2020-12-04 | 东营市百扬石油科技有限责任公司 | Air blowing type foaming agent for removing hydrogen sulfide in foam isolation of oil extraction well head |
| CN112031737B (en) * | 2020-11-03 | 2021-02-05 | 东营市百扬石油科技有限责任公司 | Air blowing type foaming agent for removing hydrogen sulfide in foam isolation of oil extraction well head |
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| Publication number | Publication date |
|---|---|
| CN104212480B (en) | 2016-02-10 |
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