CN204677171U - A kind of corrosion inhibiter receives and stores skid-mounted unit - Google Patents

A kind of corrosion inhibiter receives and stores skid-mounted unit Download PDF

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Publication number
CN204677171U
CN204677171U CN201520387352.7U CN201520387352U CN204677171U CN 204677171 U CN204677171 U CN 204677171U CN 201520387352 U CN201520387352 U CN 201520387352U CN 204677171 U CN204677171 U CN 204677171U
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CN
China
Prior art keywords
pipeline
corrosion inhibiter
sustained release
release agent
storage tank
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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.)
Withdrawn - After Issue
Application number
CN201520387352.7U
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Chinese (zh)
Inventor
范君来
杨光
胡建国
李朋江
苏海平
李东升
赵一农
李超
陈丽
李艳芳
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Xian Changqing Technology Engineering Co Ltd
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Xian Changqing Technology Engineering Co Ltd
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Priority to CN201520387352.7U priority Critical patent/CN204677171U/en
Application granted granted Critical
Publication of CN204677171U publication Critical patent/CN204677171U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model provides a kind of corrosion inhibiter and receives and store skid-mounted unit, comprise and be arranged on sustained release agent storage tank on moveable sledge seat and corrosion inhibiter injection pump, the feeding line of sustained release agent storage tank is provided with snap joint, block valve and flap valve, the outlet of sustained release agent storage tank lower end is connected by the entrance point of pipeline one with corrosion inhibiter injection pump, pipeline one is provided with sustained release agent block valve, y-type filter, block valve and slowly-releasing agent flux meter, the port of export of corrosion inhibiter injection pump is connected with corrosion inhibiter distributing manifold by pipeline two, pipeline two is provided with outlet non-return valve and outlet block valve, the pipeline of corrosion inhibiter distributing manifold is provided with restriction orifice, corrosion inhibiter injection pump entrance point and the port of export respectively arrange an accumulator, the import of sustained release agent storage tank upper end is connected with pipeline two by pipeline three, pipeline three is provided with emptying block valve and safety valve.This utility model structure is simple, easy to operate, convenient mobile, reduces equipment investment cost.

Description

A kind of corrosion inhibiter receives and stores skid-mounted unit
Technical field
The utility model belongs to oilfield machinery device technique field, is specifically related to a kind of corrosion inhibiter and receives and store skid-mounted unit.
Background technology
Corrosion inhibiter is a kind of compound or compound formulas, in Cemented filling medium, add a small amount of this material, just can reduce corrosion of metal speed significantly.
The corrosion of gas gathering and transportation system is divided into internal corrosion and outer corrosion two kinds.The outer corrosion mainly body soil corrosion that suffers of outside and underground water is corroded, and stray current corrosion and macroscopical battery corrosion etc., studies more in the past; Internal corrosion, mainly due to the corrosion that interior media causes, becomes the focus of research in recent years increasingly.The internal corrosion of gas gathering and transportation system is mainly because natural gas is containing H 2o, H 2s, CO 2cause Deng impurity.In oil-gas mining and transport process, due to the synergy of high flow rate and various corrosive medium, hardware and pipeline suffer abnormal violent corrosion and abrasion, cause the reduced lifetime of equipment, cause tremendous economic to lose.
At present, the technical method controlling pipeline corrosion mainly contains and selects or develop corrosion resistant material, adds corrosion inhibiter, aqueous medium process etc., such as, abroad at CO 2, H 2s and Cl -use two phase stainless steel in the high temperature and high pressure environment coexisted, HTHP acid gas field production flow line is that corrosion resisting alloy martensite 13Cr Oil Tube Steel etc. achieves good effect, but its cost is high.
A large amount of experimental studies and on-the-spot application show, filling corrosion inhibiter can improve the application life of oil gas field equipment greatly, and due to features such as its consumption are few, cost is low, easy to operate, generally adopt in the corrosion controlling pipeline, become one of most widely used technical method in anticorrosion technique.Practice shows, corrosion inhibiter resist technology is as a kind of economical, and effectively the metal erosion control method of highly versatile, will be particularly suitable for applying in Oil/gas Well and gathering system.
Traditional sustained release agent injection device, polydispersion is fixedly installed on well site or concentrates and is fixedly installed on field, station, mainly contains sustained release agent storage tank and sustained release agent injection pump composition, takes up an area large, unfavorable with movement, invests higher, can not adapt to gas field Efficient Development.
Utility model content
The purpose of this utility model overcomes existing sustained release agent injection device to take up an area large, unfavorable with movement, invests higher, can not adapt to the problem of gas field Efficient Development.
For this reason, the utility model provides a kind of corrosion inhibiter and receives and store skid-mounted unit, comprise sustained release agent storage tank and corrosion inhibiter injection pump, described sustained release agent storage tank and corrosion inhibiter injection pump are arranged on moveable sledge seat, the feeding line of described sustained release agent storage tank is disposed with snap joint from left to right, block valve and flap valve, the corrosion inhibiter outlet of described sustained release agent storage tank lower end is connected by the entrance point of pipeline one with corrosion inhibiter injection pump, this pipeline one is disposed with sustained release agent block valve from left to right, y-type filter, block valve and slowly-releasing agent flux meter, the port of export of described corrosion inhibiter injection pump is connected with corrosion inhibiter distributing manifold by pipeline two, this pipeline two is disposed with from bottom to up outlet non-return valve and outlet block valve, the pipeline of described corrosion inhibiter distributing manifold is provided with restriction orifice, described corrosion inhibiter injection pump entrance point and the port of export respectively arrange an accumulator, the import of described sustained release agent storage tank upper end is connected with pipeline two by pipeline three, this pipeline three is provided with emptying block valve and safety valve, pipeline three between described emptying block valve and safety valve is provided with the take-off line be connected with pipeline two, this take-off line is provided with manual vent valve.
Above-mentioned sustained release agent storage tank upper end is provided with fire-retardant breather valve.
Above-mentioned sustained release agent storage tank upper end is connected with nitrogen displacement pipeline.
Above-mentioned sustained release agent tank bottom is provided with blowdown pipeline, and this blowdown pipeline is provided with blowdown block valve.
Connect long-range liquid level display between above-mentioned blowdown pipeline and sustained release agent storage tank top, this long-range liquid level display is connected with remote controllers.
Liquid level display is on the spot connected with between the top and bottom of above-mentioned sustained release agent storage tank.
Above-mentioned corrosion inhibiter distributing manifold is provided with multiple pipeline, and each pipeline is equipped with restriction orifice.
The beneficial effects of the utility model:
(1) this corrosion inhibiter that the utility model provides receives and stores all devices of skid-mounted unit and auxiliary line is all integrated on a sledge seat, convenient mobile and install.
(2) this corrosion inhibiter that the utility model provides receives and stores skid-mounted unit can by a high-capacity pump, filling sustained release agent is carried out to Duo Kou down-hole outbound pipeline, by restriction orifice, adding amount is regulated, greatly reduce the quantity of dispenser pump, reduce equipment investment.
(3) this corrosion inhibiter that the utility model provides receives and stores skid-mounted unit structure simply, and easy to operate, complete unmanned, runs automatically, and remote monitoring is safe and reliable, reduces hand labor intensity.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model corrosion inhibiter received and stored skid-mounted unit.
Description of reference numerals: 1, snap joint; 2, block valve; 3, flap valve; 4, sustained release agent storage tank; 5, fire-retardant breather valve; 6, nitrogen displacement pipeline; 7, blowdown block valve; 8, sustained release agent block valve; 9, y-type filter; 10, block valve; 11, flow meter; 12, accumulator; 13, sustained release agent injection pump; 14, pipeline two; 15, outlet non-return valve; 16, block valve is exported; 17, restriction orifice; 18, emptying block valve; 19, safety valve; 20, manual vent valve; 21, sledge seat; 22, corrosion inhibiter distributing manifold; 23, liquid level display on the spot; 24, long-range liquid level display; 25, pipeline one; 26, pipeline three.
Detailed description of the invention
Embodiment 1:
When Cemented filling corrosive medium natural gas, arrange sustained release agent filling sledge in well site or well site, region, automated periodic carries out filling sustained release agent to downstream line, reduces corrosion, and take up an area large to overcome existing sustained release agent injection device, unfavorable with movement, invest higher, the problem of gas field Efficient Development can not be adapted to, present embodiments provide a kind of corrosion inhibiter as shown in Figure 1 receive and store skid-mounted unit, comprise sustained release agent storage tank 4 and corrosion inhibiter injection pump 13, described sustained release agent storage tank 4 and corrosion inhibiter injection pump 13 are arranged on moveable sledge seat 21, the feeding line of described sustained release agent storage tank 4 is disposed with snap joint 1 from left to right, block valve 2 and flap valve 3, the corrosion inhibiter outlet of described sustained release agent storage tank 4 lower end is connected by the entrance point of pipeline 1 with corrosion inhibiter injection pump 13, this pipeline 1 is disposed with sustained release agent block valve 8 from left to right, y-type filter 9, block valve 10 and slowly-releasing agent flux meter 11, the port of export of described corrosion inhibiter injection pump 13 is connected with corrosion inhibiter distributing manifold 22 by pipeline 2 14, this pipeline 2 14 is disposed with from bottom to up outlet non-return valve 15 and outlet block valve 16, the pipeline of described corrosion inhibiter distributing manifold 22 is provided with restriction orifice 17, described corrosion inhibiter injection pump 13 entrance point and the port of export respectively arrange an accumulator 12, the import of described sustained release agent storage tank 4 upper end is connected with pipeline 2 14 by pipeline 3 26, this pipeline 3 26 is provided with emptying block valve 18 and safety valve 19, pipeline 3 26 between described emptying block valve 18 and safety valve 19 is provided with the take-off line be connected with pipeline 2 14, this take-off line is provided with manual vent valve 20.
The course of work that corrosion inhibiter of the present utility model received and stored skid-mounted unit is as follows:
(1) normally to annotate flow process
First corrosion inhibiter in sustained release agent storage tank 4 enters sustained release agent block valve 8 by pipeline 1, is then removed by y-type filter 9 pairs of solid particles, ensures upstream device safety; After y-type filter 9, corrosion inhibiter enters sustained release agent flow meter 11 through block valve 10, sustained release agent injection pump 13 is entered by accumulator 12 after sustained release agent flow meter 11 measures, pump surging non-stationary flow is reduced by accumulator 12 again after being boosted by sustained release agent injection pump 13, guarantee downstream security is produced, enter sustained release agent distributing manifold 22 by the flap valve 15 on pipeline 2 14 and outlet block valve 16 after supercharging, in the restriction orifice that the pipeline by sustained release agent distributing manifold 22 is arranged 17 pairs of pipelines, the flow of corrosion inhibiter carries out control and is delivered to downstream line.
(2) emptying flow process
When downstream line blocking, after being boosted by sustained release agent injection pump 13, pressure durations rises, when arriving safety valve 19 relieving pressure, release to sustained release agent storage tank 4 by emptying block valve 18, during maintenance, manually atmospheric valve 20 pairs of downstream sustained release agents are recycled to sustained release agent storage tank 4.
(3) charging flow process
Sustained release agent storage tank 4 arranges feeding line, regularly supplements the sustained release agent in sustained release agent storage tank 4, is docked by snap joint 1 and vehicle-mounted storage tank, and the sustained release agent in block valve 2 and flap valve 3 pairs of sustained release agent storage tanks 4 supplements, convenient and swift.
This corrosion inhibiter that the utility model provides receives and stores all devices of skid-mounted unit and auxiliary line is all integrated on a sledge seat, convenient mobile and install; Meanwhile, this utility model can pass through a high-capacity pump, carries out filling sustained release agent, is regulated by restriction orifice to adding amount, greatly reduce the quantity of dispenser pump to Duo Kou down-hole outbound pipeline, reduces equipment investment.
Embodiment 2:
On the basis of embodiment 1, described sustained release agent storage tank 4 upper end is provided with fire-retardant breather valve 5; Described sustained release agent storage tank 4 upper end is connected with nitrogen displacement pipeline 6; Ensure the safety of sustained release agent storage tank 4.
Be provided with blowdown pipeline bottom described sustained release agent storage tank 4, this blowdown pipeline is provided with blowdown block valve 7.
Connect long-range liquid level display 24 between described blowdown pipeline and sustained release agent storage tank 4 top, this long-range liquid level display 24 is connected with remote controllers; Liquid level display 23 is on the spot connected with between the top and bottom of described sustained release agent storage tank 4, the storage capacity of sustained release agent in sustained release agent storage tank 4 can be understood in time, to supplement in time, simultaneously, the complete unmanned of whole sustained release agent filling apparatus, automatic operation, remote monitoring, reduces hand labor intensity.
And described corrosion inhibiter distributing manifold 22 is provided with multiple pipeline, each pipeline is equipped with restriction orifice 17, a high-capacity pump can be passed through, filling sustained release agent is carried out to Duo Kou down-hole outbound pipeline, regulated by restriction orifice 17 pairs of adding amounts, greatly reduce the quantity of dispenser pump, reduce equipment investment.
In sum, this corrosion inhibiter that the utility model provides receives and stores skid-mounted unit stores some cycles sustained release agent by sustained release agent storage tank, sustained release agent enters sustained release agent injection pump after filtering, measuring, by entering sustained release agent distributing manifold after the supercharging of sustained release agent injection pump, arrange restriction orifice at manifold by each pipeline to control sustained release agent flow, meet downstream line and inject requirement.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.

Claims (7)

1. a corrosion inhibiter receives and stores skid-mounted unit, comprise sustained release agent storage tank (4) and corrosion inhibiter injection pump (13), it is characterized in that: described sustained release agent storage tank (4) and corrosion inhibiter injection pump (13) are arranged on moveable sledge seat (21), the feeding line of described sustained release agent storage tank (4) is disposed with snap joint (1) from left to right, block valve (2) and flap valve (3), the corrosion inhibiter outlet of described sustained release agent storage tank (4) lower end is connected by the entrance point of pipeline one (25) with corrosion inhibiter injection pump (13), this pipeline one (25) is disposed with sustained release agent block valve (8) from left to right, y-type filter (9), block valve (10) and slowly-releasing agent flux meter (11), the port of export of described corrosion inhibiter injection pump (13) is connected with corrosion inhibiter distributing manifold (22) by pipeline two (14), this pipeline two (14) is disposed with from bottom to up outlet non-return valve (15) and outlet block valve (16), the pipeline of described corrosion inhibiter distributing manifold (22) is provided with restriction orifice (17), described corrosion inhibiter injection pump (13) entrance point and the port of export respectively arrange an accumulator (12), the import of described sustained release agent storage tank (4) upper end is connected with pipeline two (14) by pipeline three (26), this pipeline three (26) is provided with emptying block valve (18) and safety valve (19), pipeline three (26) between described emptying block valve (18) and safety valve (19) is provided with the take-off line be connected with pipeline two (14), this take-off line is provided with manual vent valve (20).
2. corrosion inhibiter as claimed in claim 1 receives and stores skid-mounted unit, it is characterized in that: described sustained release agent storage tank (4) upper end is provided with fire-retardant breather valve (5).
3. corrosion inhibiter as claimed in claim 1 receives and stores skid-mounted unit, it is characterized in that: described sustained release agent storage tank (4) upper end is connected with nitrogen displacement pipeline (6).
4. corrosion inhibiter as claimed in claim 1 receives and stores skid-mounted unit, it is characterized in that: described sustained release agent storage tank (4) bottom is provided with blowdown pipeline, and this blowdown pipeline is provided with blowdown block valve (7).
5. corrosion inhibiter as claimed in claim 4 receives and stores skid-mounted unit, it is characterized in that: connect long-range liquid level display (24) between described blowdown pipeline and sustained release agent storage tank (4) top, this long-range liquid level display (24) is connected with remote controllers.
6. corrosion inhibiter as claimed in claim 1 receives and stores skid-mounted unit, it is characterized in that: be connected with liquid level display (23) on the spot between the top and bottom of described sustained release agent storage tank (4).
7. corrosion inhibiter as claimed in claim 1 receives and stores skid-mounted unit, it is characterized in that: described corrosion inhibiter distributing manifold (22) is provided with multiple pipeline, each pipeline is equipped with restriction orifice (17).
CN201520387352.7U 2015-06-08 2015-06-08 A kind of corrosion inhibiter receives and stores skid-mounted unit Withdrawn - After Issue CN204677171U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520387352.7U CN204677171U (en) 2015-06-08 2015-06-08 A kind of corrosion inhibiter receives and stores skid-mounted unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520387352.7U CN204677171U (en) 2015-06-08 2015-06-08 A kind of corrosion inhibiter receives and stores skid-mounted unit

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963658A (en) * 2015-06-08 2015-10-07 西安长庆科技工程有限责任公司 Corrosion inhibitor receiving and storage skid-mounted apparatus
CN107907496A (en) * 2017-10-26 2018-04-13 西南石油大学 A kind of density of corrosion inhibitor distribution tests field test device and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963658A (en) * 2015-06-08 2015-10-07 西安长庆科技工程有限责任公司 Corrosion inhibitor receiving and storage skid-mounted apparatus
CN104963658B (en) * 2015-06-08 2017-11-03 西安长庆科技工程有限责任公司 A kind of corrosion inhibiter is received and storage skid-mounted unit
CN107907496A (en) * 2017-10-26 2018-04-13 西南石油大学 A kind of density of corrosion inhibitor distribution tests field test device and method
CN107907496B (en) * 2017-10-26 2020-03-27 西南石油大学 Corrosion inhibitor concentration distribution test field test device and method

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20150930

Effective date of abandoning: 20171103

AV01 Patent right actively abandoned