CN109268688A - A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect - Google Patents
A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect Download PDFInfo
- Publication number
- CN109268688A CN109268688A CN201811115852.XA CN201811115852A CN109268688A CN 109268688 A CN109268688 A CN 109268688A CN 201811115852 A CN201811115852 A CN 201811115852A CN 109268688 A CN109268688 A CN 109268688A
- Authority
- CN
- China
- Prior art keywords
- corrosion inhibiter
- pipeline
- round tube
- tank
- oil field
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/12—Arrangements for supervising or controlling working operations for injecting a composition into the line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
Abstract
A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect, including corrosion inhibiter tank, nitrogen gas tank and storage tank, storage tank and nitrogen gas tank are connected with corrosion inhibiter tank, and liquid feed valve and low-lift pump are provided between storage tank and corrosion inhibiter tank, the bottom of storage tank is connected by bypassing round tube with pipeline, and it bypasses round tube to extend into pipeline, offers several circular holes on the bypass round tube being inserted into pipeline.The approach that cutting oxygen enters pipeline by corrosion inhibiter that can be achieved is replaced by nitrogen, method and apparatus are simple and easy to do, high reliablity, without secondary pollution.By increasing bypass round tube in the insertion depth of pipeline and several circular holes for being used to increase corrosion inhibiter release opened up on bypass round tube, it can be achieved that corrosion inhibiter in the fully dispersed of pipeline medium, achievees the purpose that improve corrosion inhibiter dispersibility.The device of the invention structure is simple, assembling and easy to maintain, and economic cost is low, high reliablity, suitable for being widely applied.
Description
Technical field
The invention belongs to Oil-Gas Storage and Transportation Engineering application fields, and in particular to one kind effectively improves oil field gathering and transportation and added with corrosion inhibiter
Infuse the device of effect.
Background technique
Corrosion inhibiter is a kind of anticorrosion chemicals, and be added in pumped (conveying) medium can be realized significant decrease metal erosion on a small quantity
The purpose of rate.Compared with other corrosion protection methods, corrosion inhibiter has the characteristics that easy to use, economical and efficient, answers extensively
For in industrial production and social life.High water-cut stage, the internal corrosion of collection transmission pipe network are stepped into particular with oilfield exploitation
It is on the rise, is even more a kind of good anti-corrosion measure of Technical Economy using corrosion inhibiter.However, usually Laboratory Evaluation has
The corrosion inhibition rate of laboratory test is but not achieved in the corrosion inhibiter of high corrosion inhibition rate at the scene in application.From existing literature research and reality
Application case is it is found that the dispersibility of corrosion inhibiter in the medium can weaken corrosion inhibiter with the dissolved oxygen that corrosion inhibiter filling process is brought into
Anti-corrosion effect, and corrosion inhibition rate is caused to reduce.At present, on the one hand, mainly by adjusting corrosion inhibitor formula and filling concentration etc.
Method improves the anti-corrosion effect of corrosion inhibiter, and the raising of its corrosion inhibition rate is realized with this；On the other hand, by improving dividing for corrosion inhibiter
It dissipates property and completely cut off dissolved oxygen improves corrosion mitigating effect.Although some researches show that the dispersibility for improving corrosion inhibiter and completely cutting off molten
The anti-corrosion effect of corrosion inhibiter can be improved in solution oxygen, but the country yet there are no a whole set of raising corrosion inhibiter dispersibility and isolation dissolution at present
The device of oxygen.
Summary of the invention
In view of the above shortcomings of the prior art, the purpose of the present invention is to propose to one kind to effectively improve oil field gathering and transportation corrosion inhibiter
The device for filling effect, fills ineffective problem to improve corrosion inhibiter scene.
To achieve the above object, technical scheme is as follows:
A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect, including corrosion inhibiter tank, nitrogen gas tank and storage tank,
Storage tank and nitrogen gas tank are connected with corrosion inhibiter tank, and liquid feed valve and low-lift pump, storage tank are provided between storage tank and corrosion inhibiter tank
Bottom be connected by bypassing round tube with pipeline, and bypass round tube and extend into pipeline, on the bypass round tube in insertion pipeline
Offer several circular holes.
A further improvement of the present invention lies in that being equipped with liquidometer and check valve on storage tank.
A further improvement of the present invention lies in that nitrogen gas tank is connected through the first valve with the bottom of storage tank.
A further improvement of the present invention lies in that it is provided with the second valve, high-pressure pump and third valve on bypass round tube, it is high
Press pump is located at the second valve and third valve.
A further improvement of the present invention lies in that be provided on pipeline between high-pressure pump and third valve the 4th valve and
Pressure gauge.
A further improvement of the present invention lies in that the length in bypass round tube insertion pipeline is the 3/4 of pipe diameter.
A further improvement of the present invention lies in that bypass round tube end part seal, and the bypass round tube end in insertion pipeline
Several circular holes are offered on face and side wall.
A further improvement of the present invention lies in that the aperture of circular hole is 3mm.
A further improvement of the present invention lies in that the interval of adjacent circular holes is not more than 10mm.
Compared with prior art, the invention has the benefit that
The present invention realizes the aobvious of anti-corrosion effect by improving the dispersibility of corrosion inhibiter and the method for isolation dissolved oxygen
It writes and improves.This method is suitble to the corrosion inhibiter filling of surface gathering and transferring various specifications carbon steel piping, and the filling of individual well corrosion inhibiter can also be joined
Examine use.The raising of scene filling corrosion inhibiter application effect can be achieved in the present invention, and principle is feasible, and device is simple, and method is reliable.This
Invention has the advantages that
(1) approach that cutting oxygen enters pipeline by corrosion inhibiter that can be achieved is replaced by nitrogen, method and apparatus are easy
Easy, high reliablity is without secondary pollution.
(2) by increase bypass round tube the insertion depth of pipeline and open up on bypass round tube for increasing corrosion inhibiter
Several circular holes of release are, it can be achieved that corrosion inhibiter in the fully dispersed of pipeline medium, reaches the mesh for improving corrosion inhibiter dispersibility
's.
(3) the device of the invention structure is simple, assembling and easy to maintain, and economic cost is low, high reliablity, is suitable for large area
It promotes.
Detailed description of the invention
Fig. 1 is a kind of experimental rig schematic diagram for effectively improving oil field gathering and transportation corrosion inhibiter filling effect；
Fig. 2 is the cross-sectional view of circled in Fig. 1.
In figure, 1 is storage tank, and 2 be liquidometer, and 3 be corrosion inhibiter tank, and 4 be low-lift pump, and 5 be liquid feed valve, and 6 be nitrogen gas tank, and 7 are
First valve, 8 be the second valve, and 9 be high-pressure pump, and 10 be third valve, and 11 be pipeline, and 12 be the 4th valve, and 13 be pressure gauge,
14 be bypass round tube, and 15 be check valve, and 16 be circular hole.
Specific embodiment
Present invention will now be described in detail with reference to the accompanying drawings..
A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect provided by the invention, by reducing corrosion inhibiter
Dispersibility that is oxygen-containing and improving corrosion inhibiter to improve corrosion inhibiter scene fill ineffective problem.
The present invention provides a set of corrosion inhibiter filling apparatus and realizes goal of the invention, mainly by deaerating type of cycles, compression system, inhibition
Agent decentralized system composition, as depicted in figs. 1 and 2.
Referring to Fig. 1, the present invention is based on the corrosion inhibiter filling apparatus of such as flowering structure, including corrosion inhibiter tank 3, nitrogen gas tank 6 and storage
Tank 1 is equipped with liquidometer 2 on storage tank 1, and storage tank 1 is connected with corrosion inhibiter tank 3, and is provided between storage tank 1 and corrosion inhibiter tank 3
Liquid feed valve 5 and low-lift pump 4, nitrogen gas tank 6 are connected through the first valve 7 with the bottom of storage tank 1；The bottom of storage tank 1 passes through bypass circle
Pipe 14 is connected with pipeline 11, and bypasses round tube 14 and extend into pipeline 11, bypasses and is provided with the second valve 8, height on round tube 14
Press pump 9 and third valve 10, high-pressure pump 9 are located at the second valve 8 and third valve 10, and high-pressure pump 9 and third valve 10
Between pipeline on be provided with the 4th valve 12 and pressure gauge 13.Check valve 15 is provided at the top of storage tank 1.
The device of the invention is suitable for the surface gathering and transferring pipeline of different size, especially for water delivery and Oil-water Mixed Transmission Pipelines
There is better effect.By select different size by-pass line and force (forcing) pump, it can be achieved that different size and operating condition pipeline it is slow
Agent filling is lost, to realize the purpose for improving filling effect.
The core of the corrosion inhibiter filling apparatus has at 3 points: first is that about managing the length that round tube 14 is inserted into pipeline 11 is bypassed
The 3/4 of 11 diameter of road, second is that bypass 14 end part seal of round tube, referring to fig. 2, and 14 end of bypass round tube in insertion pipeline 11
Several circular holes 16 are offered on face and side wall, aperture is about 3mm, and the interval of adjacent circular holes is not more than 10mm, third is that corrosion inhibiter pumps
After entering storage tank 1, nitrogen is led to it, the time is no less than 30min.
(4) use process of the corrosion inhibiter filling apparatus are as follows: corrosion inhibiter is pumped by storage tank 1 by low-lift pump 4 first, then
Liquid feed valve 5 is closed, the first valve 7 is started to open, air in nitrogen displacement storage tank 1 is led into storage tank 1, time swap is no less than
30min finally opens high-pressure pump 9, according to the filling demand of corrosion inhibiter, by the power of adjusting high-pressure pump 9 realize corrosion inhibiter to
The filling of various concentration in pipeline 11.
Claims (9)
1. it is a kind of effectively improve oil field gathering and transportation corrosion inhibiter filling effect device, which is characterized in that including corrosion inhibiter tank (3),
Nitrogen gas tank (6) and storage tank (1), storage tank (1) and nitrogen gas tank (6) are connected with corrosion inhibiter tank (3), and storage tank (1) and corrosion inhibiter
Liquid feed valve (5) and low-lift pump (4) are provided between tank (3), the bottom of storage tank (1) passes through bypass round tube (14) and pipeline (11) phase
Connect, and bypass round tube (14) and extend into pipeline (11), is offered on the bypass round tube (14) in insertion pipeline (11) several
Circular hole.
2. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 1, feature exist
In being equipped with liquidometer (2) and check valve (15) on storage tank (1).
3. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 1, feature exist
In nitrogen gas tank (6) is connected through the first valve (7) with the bottom of storage tank (1).
4. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 1, feature exist
In being provided with the second valve (8), high-pressure pump (9) and third valve (10) in bypass round tube (14), high-pressure pump (9) is located at the
Two valves (8) and third valve (10).
5. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 1, feature exist
In being provided with the 4th valve (12) and pressure gauge (13) on the pipeline between high-pressure pump (9) and third valve (10).
6. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 1, feature exist
In the length in bypass round tube (14) insertion pipeline (11) is the 3/4 of pipeline (11) diameter.
7. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 1, feature exist
In, bypass round tube (14) end part seal, and offered on bypass round tube (14) end face and side wall being inserted into pipeline (11)
Several circular holes (16).
8. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 7, feature exist
In the aperture of circular hole (16) is 3mm.
9. a kind of device for effectively improving oil field gathering and transportation corrosion inhibiter filling effect according to claim 7, feature exist
In the interval of adjacent circular holes (16) is not more than 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115852.XA CN109268688A (en) | 2018-09-25 | 2018-09-25 | A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115852.XA CN109268688A (en) | 2018-09-25 | 2018-09-25 | A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109268688A true CN109268688A (en) | 2019-01-25 |
Family
ID=65197446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811115852.XA Pending CN109268688A (en) | 2018-09-25 | 2018-09-25 | A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect |
Country Status (1)
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|---|---|
| CN (1) | CN109268688A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230303A (en) * | 2011-06-30 | 2011-11-02 | 佛山市绿源纤维模塑科技有限公司 | Adding device of paper pulp moulding assistant |
| CN203999516U (en) * | 2014-03-24 | 2014-12-10 | 洛阳绿潮环保科技有限公司 | Inhibiter on-line monitoring automatic filling device in oil refining process |
| CN105181568A (en) * | 2015-09-28 | 2015-12-23 | 武汉科思特仪器有限公司 | Device for monitoring corrosion of oil and gas field gathering pipelines and corrosion inhibitor filling system |
| KR20180036060A (en) * | 2016-09-30 | 2018-04-09 | 삼성중공업 주식회사 | LNG regasification plant |
| CN207440046U (en) * | 2017-10-23 | 2018-06-01 | 中国石油天然气股份有限公司 | Deoxygenation liquid dispensing device |
| RU180117U1 (en) * | 2017-05-19 | 2018-06-04 | Общество с ограниченной ответственностью "Завод дозировочной техники "Ареопаг" | Reagent metering device |
| CN207751966U (en) * | 2018-01-11 | 2018-08-21 | 中国石油化工股份有限公司 | A kind of dynamic test system of corrosion inhibiter inhibition rate |
-
2018
- 2018-09-25 CN CN201811115852.XA patent/CN109268688A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230303A (en) * | 2011-06-30 | 2011-11-02 | 佛山市绿源纤维模塑科技有限公司 | Adding device of paper pulp moulding assistant |
| CN203999516U (en) * | 2014-03-24 | 2014-12-10 | 洛阳绿潮环保科技有限公司 | Inhibiter on-line monitoring automatic filling device in oil refining process |
| CN105181568A (en) * | 2015-09-28 | 2015-12-23 | 武汉科思特仪器有限公司 | Device for monitoring corrosion of oil and gas field gathering pipelines and corrosion inhibitor filling system |
| KR20180036060A (en) * | 2016-09-30 | 2018-04-09 | 삼성중공업 주식회사 | LNG regasification plant |
| RU180117U1 (en) * | 2017-05-19 | 2018-06-04 | Общество с ограниченной ответственностью "Завод дозировочной техники "Ареопаг" | Reagent metering device |
| CN207440046U (en) * | 2017-10-23 | 2018-06-01 | 中国石油天然气股份有限公司 | Deoxygenation liquid dispensing device |
| CN207751966U (en) * | 2018-01-11 | 2018-08-21 | 中国石油化工股份有限公司 | A kind of dynamic test system of corrosion inhibiter inhibition rate |
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| PB01 | Publication | ||
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Application publication date: 20190125 |