CN104948138B - The on-line checking and processing method and system of a kind of acidifying solution - Google Patents
The on-line checking and processing method and system of a kind of acidifying solution Download PDFInfo
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- CN104948138B CN104948138B CN201510208235.4A CN201510208235A CN104948138B CN 104948138 B CN104948138 B CN 104948138B CN 201510208235 A CN201510208235 A CN 201510208235A CN 104948138 B CN104948138 B CN 104948138B
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Abstract
The present invention provides a kind of on-line checking and processing method and system of acidifying solution, by between oil extraction operation well head and petroleum pipeline set can to Produced Liquid whether the system for being detected and being handled containing acidifying solution, contain acidifying solution in Produced Liquid when detecting, Produced Liquid pipeline will be automatically imported, and adjust appropriate acidification agent and be mixed with reacting, the Produced Liquid for eliminating acidifying solution is returned into petroleum pipeline, the accident for causing acidification oil to be formed so as to effectively avoid acidifying solution from entering gathering system, be particularly suitable for use in such as offshore production platform, normal productive process is without on duty, pass through the real-time detection of automation and processing system, more improve the efficiency and security of production.
Description
Technical field
The present invention relates to exploitation technology field, the on-line checking and processing method of a kind of acidifying solution are particularly related to
And system, the accident for causing acidification oil to be formed effectively to avoid acidifying solution from entering gathering system.
Background technology
After crude oil production well produces a period of time, because formation void can be blocked by organic or inorganic impurity, cause
Oil extraction yield gradually reduces, at this time, it may be necessary to implement oil producing operation measure to the producing well, implements de-plugging simultaneously to formation void
Increase, so as to improve the production well yield.The oil producing operation measure commonly used at present in crude oil production is acidifying and pressure break, Xiang Di
Appropriate acid solution is injected in layer, to reach plugging removal effect.After the completion of operation, oil producing operation construction party can be residual by the operation for returning discharge
Liquid is transported and focused on.It is theoretically acid solution and the reacted product of impurity being blocked in formation void that these, which return discharge opeing,
But to reach plugging removal effect, acid solution would generally be excessive, acid can be contained by causing to return discharge opeing.In practical operation, it is impossible to accomplish all to return
Discharge opeing is all collected, and is always had a small amount of residual and is returned discharge opeing and enters gathering system by managing defeated mode.It is although a small amount of
Return discharge opeing and enter controlling methodology of oil pipeline, but return the unreacted remained in discharge opeing completely residual acid can be formed with crude oil slow reaction
It is difficult to the acidification oil being dehydrated.Acidification oil is not only difficult to be dehydrated in itself, after being mixed with normal crude oil, can also cause chain reaction,
Cause normal oil dehydration difficult, and then cause whole gathering system dehydration difficult, gathering system paralysis is resulted even in when serious.
This result is difficult to have sign forecast before occurring, and the situation in production is that the acidifying of discharge opeing formation is returned in often tens of tons of acidifying
Oil may result in the multi-purpose station paralysis of the tens thousand of ton days for the treatment of scale.
As known property general knowledge, acidification oil harm is very huge, and the detection of the phenomenon is extremely difficult, it more difficult to accomplishes have
Effect prevention, often until accident occurs, just can determine that it is caused by acidification oil.It is defeated to clear up collection now only to stop production
Pipeline.The formation and presence of acidification oil have had a strong impact on the normal production in oil field, and when acidification oil accident occurs, multi-purpose station is past
Toward the mode taken acidification oil and the normal crude oil isolation storage for being acidified oily pollution, pollution crude oil is placed in emergency storage tank, risen
High dehydration temperaturre, stand tens of days and carry out high temperature dehydration processing, until could be outer defeated when qualified.
On the other hand, the detection for acidification oil at present and examination can only work as accident also without any effective ways
When, by being judged after analysis of the skilled engineer by complexity, there has been no preferable for the processing to acidification oil in addition
Method and mode, make acidification oil become influence crude oil production normalization an important factor for.Especially for unattended sea
Upper mounting plate production system, once being stopped production because occurring acidification oil accident, caused loss is even more to be difficult to estimate.
The content of the invention
The invention provides a kind of acidifying solution on-line checking and processing method, passes through the extraction to entering gathering line system
Liquid carries out real-time online detection and processing in real time, avoids acidifying solution from entering gathering system and cause the formation of acidification oil.
Present invention also offers it is a kind of realize on-line checking and handle acidifying solution system, be disposed at crude oil well head with
Between petroleum pipeline, the real-time detection to Produced Liquid, and the acidifying solution timely processing to detecting can be realized, has prevented acidifying solution
Into gathering system.
Acidifying solution on-line checking provided by the invention and processing method, including procedure below：
Worked in crude oil and acidifying solution monitoring device is set between well head and petroleum pipeline, set crude oil to enter on petroleum pipeline
Mouth control valve, connects the extraction liquid pipe being conducted therewith on the pipeline that crude oil works between well head and crude oil import control valve
Road, and extraction hydraulic control valve is provided with, the acidifying solution monitoring device can manipulate crude oil import control valve and produce hydraulic control valve
Open and close；
Series winding sets pipe-line mixer, and the Produced Liquid pipeline of the pipe-line mixer front end on the Produced Liquid pipeline
Upper setting medicine system, the medicine system can be to Produced Liquid pipeline acidification agent, the Produced Liquids of pipe-line mixer rear end
Pipeline connects with petroleum pipeline；
Make the acidified liquid monitoring device of the Produced Liquid from active well, when detecting Produced Liquid acescency and/or conductance
The changing value of rate exceedes setting category, closes crude oil import control valve and opens extraction hydraulic control valve, Produced Liquid is entered extraction
Liquid pipeline；
Medicine system starts agent-feeding treatment according to detected Produced Liquid acescency, make acidification agent through metering with
Produced Liquid enters pipe-line mixer jointly and is mixed and reacts, and oil transportation is sent into from Produced Liquid after the processing of pipe-line mixer discharge
Pipeline.
The method according to the invention, wherein, when acidifying solution monitoring device detects that Produced Liquid pH value exceeds 6-8, it changes
Value exceedes setting category.
In embodiment of the present invention, when acidifying solution monitoring device detects that the changing value of Produced Liquid pH value and electrical conductivity surpasses
Setting category is crossed, crude oil import control valve is closed and opens extraction hydraulic control valve, Produced Liquid is entered extraction liquid pipeline.
In embodiment of the present invention, detect that the nature parameters of Produced Liquid change, refer to the acescency of Produced Liquid
During compared to conventional state significant change occurs for the parameter such as (can generally use pH value to represent), electrical conductivity, such as acescency deviate from
Property category, with reference to the indexs such as electrical conductivity variable condition (such as change by a relatively large margin occurs suddenly for numerical value) and determine be due to
Caused by wherein containing acidifying solution, then start medicine system and supply medicine, i.e. appropriate acidifying solution treatment agent is provided into Produced Liquid,
Make acidifying solution therein reacted and eliminate.Used acidification agent with can make the property of acidifying solution (such as pH and/or
The parameters such as electrical conductivity) meet to require, it is generally recognized that the pH of Produced Liquid maintains 6-8, crude oil will not be acidified and impacted, i.e.
When acidifying solution monitoring device detects Produced Liquid pH value less than 6 or higher than 8, then it is assumed that more than setting category, because this meeting
Crude oil acidification technique is impacted.So comparatively the acescency change of Produced Liquid should more be paid close attention to, and conductance
Rate change then may further determine that acidifying solution is formed beyond tolerance interval.Refer to as the auxiliary for judging acidifying solution formation
Mark, the determination of conductivity variations scope can determine according to the specific nature of Produced Liquid, for example, conductivity values are compared to before
Undergo mutation, think that crude oil acidifying can be impacted.The specific nature of based on crude, appropriate inorganic agent can be selected.This
In the specific embodiment of invention, the composition of the acidification agent (according to Site Detection to Produced Liquid in contained acidifying solution
Amount, by percentage to the quality calculate) can include：Water-soluble demulsifier 10-20%, corrosion inhibiter 2-5%, auxiliary agent 1-4%, surplus
For buffer.Certainly, respectively form it is specifically chosen can also be depending on based on crude property, but be both needed to ensure the property energy of Produced Liquid
Enough meet crude oil production process requirement.More specifically, the composition of the acidification agent includes：Water-soluble demulsifier 15%, delay
Lose agent 3%, auxiliary agent 2%, buffer 80%.
In embodiment of the present invention, the water-soluble demulsifier based on crude physical property is chosen, and can use
The various crude oil demulsifiers that use during production platform processing, for example, the anionic such as metal carboxylate, quaternary ammonium salts cationic, with
Amine or alcohols are nonionic, the amphoteric ion type demulsifiers such as the block polyether of initiator etc..Wherein, the addition of demulsifier
Need the moisture content of based on crude Produced Liquid to be adjusted, can be according to 2 times of the production platform amount of being normally added, such as based on
The amount of contained acidifying solution in Produced Liquid, add the demulsifier that mass percent is 10-20%.
In embodiment of the present invention, the corrosion inhibiter is the auxiliary agent for slowing down crude oil corrosion, and production platform can be used dirty
The corrosion inhibiter used in water treatment system, such as imidazolines, season molysite class, fatty amines, amide derivative species, pyridine derived
The organic inhibitors such as species.
In embodiment of the present invention, the auxiliary agent is used for the acescency for neutralizing acidifying solution in Produced Liquid, and its addition is then
Depending on the amount of the actually detected acidifying solution arrived, so that the property of acidifying solution meets to require, such as sodium hydroxide can be used
Etc. common alkali.
In embodiment of the present invention, the buffer is used to ensure after processing, and Produced Liquid is neutrality (pH value 6- substantially
8) weak base buffer, can be used in specific implementation process, such as sodium carbonate and sodium acid carbonate proportioning are 2:1 mixed liquor, its
In, the addition of buffer should ensure that the property of Produced Liquid meets production requirement.
The detection and processing method, used medicine system of the present invention can include acidifying solution detection means, and it is with adopting
Drain pipe road connects, and is connected with the metering control module (such as dosing pump flow-control module) of medicine system, the metering control
Molding block is then connected with the metering-type dosing pump of medicine system, and the entrance point of the metering-type dosing pump is connected to for medicine container (example
Such as pharmacy jar), the port of export is then connected in the Produced Liquid pipeline of pipe-line mixer front end；The metering control module is according to being examined
The acescency of the Produced Liquid measured, control metering-type dosing pump provided into Produced Liquid pipeline needed for dosage acidification agent.
By setting acidifying solution detection means, when being determined the Produced Liquid for having formed acidifying solution and flowing through, the inspection of acidifying solution detection means
The acescency of Produced Liquid can accurately be detected by surveying module, and pass information to metering control module, and then control metering-type to add
Dosage supplies dose (i.e. the addition of acidification agent) needed for Teat pipette offer.
In embodiment of the present invention, to ensure that it is up to standard that the acidifying liquid energy in Produced Liquid is processed completely, it can set more
The pipe-line mixer of individual series connection, i.e. make the acidification agent through metering flow through more than two pipe-line mixers with Produced Liquid order
To complete acidification process.
The present invention is what the production status based on oil recovery business proposed, by a set of feasible design and implements means, real
Real-time online detection and processing in real time now are carried out to the Produced Liquid for entering gathering line system, finally avoids acidifying solution from entering and collects defeated
System and the formation for causing acidification oil.To those skilled in the art, once clearly such design philosophy and implementing frame
Frame, in implementation process, the formation for acidifying solution in detection Produced Liquid, and selection can realize to the medicament that acidifying solution is handled with
Method of application, according to application environment and the specific feature of base oil properties, can there are multiple means and concrete scheme.
Present invention also offers the system for realizing foregoing acidifying solution on-line checking and processing method, it is arranged on crude oil
Work between well head and petroleum pipeline, the system includes：
The acidifying solution monitoring device and crude oil import control valve being connected with petroleum pipeline, it is arranged at crude oil work well head and original
Pipeline between oil inlet control valve and the Produced Liquid pipeline being conducted therewith, and it is arranged at adopting in the Produced Liquid pipeline
Liquid control valve, the acidifying solution monitoring device can manipulate crude oil import control valve and produce the keying of hydraulic control valve；
String is provided with pipe-line mixer on the Produced Liquid pipeline, and is connected on the Produced Liquid pipeline of the pipe-line mixer front end
There is medicine system connection, the Produced Liquid pipeline of pipe-line mixer rear end connects with petroleum pipeline.
In the present invention, " pipe-line mixer front end " refers to the arrival end for first blender that Produced Liquid flows through, correspondingly,
" pipe-line mixer rear end " then refers to the outflow end for the least significant end blender that Produced Liquid flows through.
The system of the present invention, wherein, the acidifying solution monitoring device has the acescency that can detect flowed through Produced Liquid
(common available pH is represented) and/or the detection module of conductivity variations, the detection module and the inspection in acidifying solution detection means
It is consistent to survey module, simply adds PLC SCM program control modules, the PLC control modules can be according to the data detected certainly
The dynamic amount for calculating Produced Liquid and needing to add, and further adjust extraction by controlling the aperture of extraction hydraulic control valve (motor-driven valve)
The addition of liquid, it is allowed to match for dose with metering-type dosing pump, is more beneficial for controlling in Produced Liquid at the neutralization of acidifying solution
Reason, the Produced Liquid for making finally to flow out through pipe-line mixer meet the requirements.
In the system of the present invention, the acidifying solution monitoring device also has control module, when the acidifying solution monitoring device
In detection module detect Produced Liquid pH and/or conductivity variations beyond setting category when, the control module can control pass
Close crude oil import control valve and open extraction hydraulic control valve.
In the system of the present invention, the medicine system can include acidifying solution detection means, itself and Produced Liquid pipeline communication,
And be connected with the metering control module of medicine system, the metering control module is then connected with the metering-type dosing pump of medicine system,
The entrance point of the metering-type dosing pump is connected to then is connected to pipe-line mixer front end for medicine container (such as pharmacy jar), the port of export
Produced Liquid pipeline in.
To sum up, the invention provides a kind of method and system of the acidifying solution in energy on-line checking and processing Produced Liquid, sheet
Case inventor summarizes discovery in long-term production and research practice, and acid solution de-plugging operation, which is difficult to avoid that, can produce acid solution residual,
These residual acid solutions reach a certain amount of, may result in and acidifying solution is formed in Produced Liquid, and the formation of acidification oil is precisely due to excessive
Acidifying solution is mixed into crude oil with Produced Liquid and caused.So realization of the invention can prevent acidifying solution from source is mixed into crude oil,
The factor of acidification oil is directly eliminated, so as to avoid the generation of acidification oil accident to greatest extent.
The method and system of on-line checking provided by the invention and the acidifying solution in processing Produced Liquid, be particularly suitable for use in big rule
Mould industrialized production, particularly offshore production platform, normal productive process be it is unattended, the real-time detection of this automation and
Processing system, more improve the efficiency and security of production.
Brief description of the drawings
Fig. 1 is the embodiment schematic diagram of acidifying solution on-line checking provided by the invention and processing system.
Label is defined as follows in figure：
1 (11), producing well petroleum pipeline；2nd, acidifying solution monitoring device；3rd, crude oil import control valve (motor-driven valve)；4th, produce
Hydraulic control valve (motor-driven valve)；5th, acidifying solution detection means；6th, dosing pump flow-control module；7th, pharmacy jar；8th, filter；9th, count
Amount formula dosing pump；10th, pipe-line mixer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the implementation process of the present invention program and caused beneficial is expanded on further
Effect, but it is not intended that to the present invention can embodiment and scope any restriction.
With reference to figure 1, the system is arranged between the well head of producing well and petroleum pipeline 1 (11), and acidifying solution monitoring device 2 is set
It is placed on petroleum pipeline, the petroleum pipeline leads to oil recovery header direction and sets crude oil import control valve (motor-driven valve) 3, acidifying solution prison
Be provided with the petroleum pipeline surveyed between device 2 and the crude oil import control valve (motor-driven valve) 3 the Produced Liquid pipeline being connected with
And extraction hydraulic control valve (motor-driven valve) 4, the Produced Liquid pipeline of the rear end of extraction hydraulic control valve (motor-driven valve) 4 are linked in sequence dosing system
System and pipe-line mixer 10, medicine system include the acidifying solution detection means 5 being connected with Produced Liquid pipeline and examined with acidifying solution
The dosing pump flow-control module 6 that device 5 links is surveyed, the medicine system also includes pharmacy jar 7 and is respectively communicated with the He of pharmacy jar 7
The metering-type dosing pump 9 of Produced Liquid pipeline, and the metering-type dosing pump 9 is connected to the extraction liquid pipe of the front end of pipe-line mixer 10
Road, the Produced Liquid pipeline of the rear end of pipe-line mixer 10 are then connected to petroleum pipeline 1 (11), and outlet and the metering-type of pharmacy jar 7 add
Filter 8 can also be set between Teat pipette 9.
Producing well under normal production scenarios, opened by crude oil import control valve 3, and extraction hydraulic control valve 4 is closed, well head discharge
Produced Liquid conveyed directly through petroleum pipeline 1 (11) into oil recovery header.
When the Produced Liquid outflow containing acidifying solution, acidifying solution monitoring device 2 is detected in Produced Liquid by detection module
PH value and the ginseng money change such as electrical conductivity beyond setting category, specifically, when the pH value of Produced Liquid deviate from 6-8 scopes, simultaneously
Prompting electrical conductivity has anomalous variation (such as conductivity values compared to undergo mutation before), then may determine that in Produced Liquid and contain
Acidifying solution, the control module control crude oil import control valve 3 in acidifying solution monitoring device 2 is slowly closed, while controls Produced Liquid
Control valve 4 is slowly opened, and Produced Liquid is changed flow direction and is entered Produced Liquid pipeline, reaches acidifying solution detection means 5, now acidifying inspection
The detection module surveyed in device 5 can accurately detect the content (i.e. acescency) of acidifying solution in Produced Liquid, and pass information to and add
Teat pipette flow-control module 6, and then control metering-type dosing pump 9 to open, metering-type dosing pump 9 is with required discharge capacity by medicament
Acidification medicament in tank 7 is sent into Produced Liquid pipeline by filter 8, is together mixed with the Produced Liquid in pipeline into pipeline
Device 10, the pipe-line mixer 10 by multiple series connection, the two is mixed and reacted, and acidifying solution therein is neutralized, from rearmost end
Pipe-line mixer outflow when met the requirements, petroleum pipeline 11 can be re-fed into, oil recovery header is incorporated to, so avoids
Acidifying solution is mixed into crude oil and causes the generation of acidification oil.
Parameters variation is not detected by when Produced Liquid flows through acidifying solution monitoring device 2, that is, thinks wherein to be free of acidifying solution, belongs to
Normal Produced Liquid, now the control module of acidifying solution monitoring device 2 can control extraction hydraulic control valve 4 slowly close, control simultaneously
Crude oil import control valve 3 is slowly opened, and recovers normal flow.
Above-mentioned processing procedure, the composition of the acidification agent from pharmacy jar 7 is water-soluble demulsifier 15%, corrosion inhibiter
3%th, auxiliary agent 2%, buffer 80%, wherein water-soluble demulsifier be using amine or alcohols as the block polyether of initiator etc. it is non-from
Subtype, such as polyethylene polyamine block polyether, corrosion inhibiter are imidazoline corrosion inhibitor, such as the quaternary ammonium salt of imidazoline, auxiliary agent are
Sodium hydroxide, buffer is sodium carbonate and sodium acid carbonate proportioning is 2:1 mixed liquor.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of acidifying solution on-line checking and processing method, including procedure below：
Worked in crude oil and acidifying solution monitoring device is set between well head and petroleum pipeline, crude oil import control is set on petroleum pipeline
Valve processed, the Produced Liquid pipeline being conducted therewith is connected on the pipeline that crude oil works between well head and crude oil import control valve, and
Extraction hydraulic control valve is provided with, the acidifying solution monitoring device can manipulate crude oil import control valve and produce the keying of hydraulic control valve；
Series winding sets pipe-line mixer on the Produced Liquid pipeline, and is set on the Produced Liquid pipeline of the pipe-line mixer front end
Medicine system is put, the medicine system can be to Produced Liquid pipeline acidification agent, the Produced Liquid pipeline of pipe-line mixer rear end
Connected with petroleum pipeline；
Make the acidified liquid monitoring device of the Produced Liquid from active well, when detecting Produced Liquid acescency and/or electrical conductivity
Changing value exceedes setting category, closes crude oil import control valve and opens extraction hydraulic control valve, Produced Liquid is entered extraction liquid pipe
Road；
Medicine system starts agent-feeding treatment according to acescency in detected Produced Liquid, makes the acidification agent through metering with adopting
Go out liquid to enter pipe-line mixer jointly and be mixed and react, petroleum pipeline is sent into from Produced Liquid after the processing of pipe-line mixer discharge
Line.
2. according to the method for claim 1, wherein, when acidifying solution monitoring device detects that Produced Liquid pH value is less than 6, it becomes
Change value exceedes setting category.
3. according to the method for claim 1, wherein, the composition of the acidification agent includes：Water-soluble demulsifier 10-
20%th, corrosion inhibiter 2-5%, auxiliary agent 1-4%, surplus are buffer.
4. according to the method for claim 3, wherein, the composition of the acidification agent includes：Water-soluble demulsifier 15%,
Corrosion inhibiter 3%, auxiliary agent 2%, buffer 80%.
5. method according to claim 1 or 2, wherein, when acidifying solution monitoring device detects Produced Liquid pH and electrical conductivity
Changing value exceed setting category, close crude oil import control valve and open extraction hydraulic control valve, Produced Liquid is entered Produced Liquid
Pipeline.
6. according to the method for claim 1, wherein, the medicine system includes acidifying solution detection means, itself and Produced Liquid
Pipeline communication, and be connected with the metering control module of medicine system, the metering control module then adds with the metering-type of medicine system
Teat pipette connects, and the entrance point of the metering-type dosing pump is connected to then is connected to pipe-line mixer front end for medicine container, the port of export
In Produced Liquid pipeline；
The acescency for the Produced Liquid that the metering control module detects according to the acidifying solution detection means, controls the metering
Formula dosing pump provided into Produced Liquid pipeline needed for dosage acidification agent.
7. the method according to claim 1 or 6, wherein, the acidification agent through metering is entered two with Produced Liquid order
Individual above pipe-line mixer.
8. the system for realizing any one of the claim 1-7 acidifying solution on-line checkings and processing method, it is arranged on original
Between oil work well head and petroleum pipeline, the system includes：
The acidifying solution monitoring device and crude oil import control valve being connected with petroleum pipeline, it is arranged at crude oil work well head and enters with crude oil
Pipeline between mouthful control valve and the Produced Liquid pipeline being conducted therewith, and the Produced Liquid being arranged in the Produced Liquid pipeline
Control valve, the acidifying solution monitoring device can manipulate crude oil import control valve and produce the keying of hydraulic control valve；
Series winding is provided with pipe-line mixer on the Produced Liquid pipeline, and is connected with the Produced Liquid pipeline of the pipe-line mixer front end
Medicine system connects, and the Produced Liquid pipeline of pipe-line mixer rear end connects with petroleum pipeline.
9. system according to claim 8, wherein, the acidifying solution monitoring device, which has control module and can detected, to be flowed
The pH of the Produced Liquid of warp and/or the detection module of conductivity variations, also, when the detection module detects the pH of Produced Liquid
And/or conductivity variations, beyond when setting category, the control module can be controlled to close crude oil import control valve and open and produced
Hydraulic control valve.
10. system according to claim 8, wherein, the medicine system includes acidifying solution detection means, itself and Produced Liquid
Pipeline communication, and be connected with the metering control module of medicine system, the metering control module then adds with the metering-type of medicine system
Teat pipette connects, and the entrance point of the dosing pump is connected to then is connected to the Produced Liquid of pipe-line mixer front end for medicine container, the port of export
In pipeline.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2118811U (en) * | 1991-08-27 | 1992-10-14 | 中国市政工程东北设计院市政工程研究所 | Treating device for oil field well washing acidifying waste liquid |
| CN2177092Y (en) * | 1994-01-10 | 1994-09-14 | 中国市政工程东北设计研究院 | PH fully automatic treatment device for oil well acidified waste liquid |
| CN1353090A (en) * | 2000-11-02 | 2002-06-12 | 中国科学院生态环境研究中心 | Process and apparatus for treating waste acidifying liquid in oil field |
| US6946111B2 (en) * | 1999-07-30 | 2005-09-20 | Conocophilips Company | Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream |
| CN2906583Y (en) * | 2006-05-27 | 2007-05-30 | 涟钢福利企业公司 | Pipe scale sampling and testing device |
| CN101768461A (en) * | 2008-12-26 | 2010-07-07 | 中国科学院大连化学物理研究所 | Desulfurization method for treating liquid phase hydrogen sulfide and gas phase hydrogen sulfide concomitant in crude oil extract |
-
2015
- 2015-04-28 CN CN201510208235.4A patent/CN104948138B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118811U (en) * | 1991-08-27 | 1992-10-14 | 中国市政工程东北设计院市政工程研究所 | Treating device for oil field well washing acidifying waste liquid |
| CN2177092Y (en) * | 1994-01-10 | 1994-09-14 | 中国市政工程东北设计研究院 | PH fully automatic treatment device for oil well acidified waste liquid |
| US6946111B2 (en) * | 1999-07-30 | 2005-09-20 | Conocophilips Company | Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream |
| CN1353090A (en) * | 2000-11-02 | 2002-06-12 | 中国科学院生态环境研究中心 | Process and apparatus for treating waste acidifying liquid in oil field |
| CN2906583Y (en) * | 2006-05-27 | 2007-05-30 | 涟钢福利企业公司 | Pipe scale sampling and testing device |
| CN101768461A (en) * | 2008-12-26 | 2010-07-07 | 中国科学院大连化学物理研究所 | Desulfurization method for treating liquid phase hydrogen sulfide and gas phase hydrogen sulfide concomitant in crude oil extract |
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| Publication number | Publication date |
|---|---|
| CN104948138A (en) | 2015-09-30 |
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Inventor after: Wu Luning Inventor after: Xu Hui Inventor after: Liu Na Inventor after: Shang Minghua Inventor after: Sun Guangling Inventor after: Yao Mingxiu Inventor after: Wen Bin Inventor after: Li Yi Inventor after: Li Qingfang Inventor after: Wang Tianli Inventor after: Yanbin Inventor after: Pang Huizhong Inventor after: Liu Hualei Inventor after: Sun Yuguo Inventor before: Wu Luning Inventor before: Sun Zhiying Inventor before: Liu Dongjie Inventor before: Zhao Zhongjie Inventor before: Li Qingfang Inventor before: Wang Tianli Inventor before: Huang Shaowei Inventor before: Liu Huiying Inventor before: Zhang Qiyang Inventor before: Sun Guangling Inventor before: Li Yi Inventor before: Pang Huizhong |
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Effective date of registration: 20221201 Address after: 100027 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC PETROLEUM ENGINEERING Corp. Address before: 257026 No. 49, Ji'nan Road, Dongying, Shandong Patentee before: SINOPEC PETROLEUM ENGINEERING Corp. |