CN209784299U - Corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation - Google Patents
Corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation Download PDFInfo
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- CN209784299U CN209784299U CN201920085567.1U CN201920085567U CN209784299U CN 209784299 U CN209784299 U CN 209784299U CN 201920085567 U CN201920085567 U CN 201920085567U CN 209784299 U CN209784299 U CN 209784299U
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- stainless steel
- box body
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- steel annular
- corrosion
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Abstract
The utility model discloses a corrosion inhibitor on-line evaluation device for multiphase flow of oil gas water thoughtlessly defeated, the box including the shallow, a plurality of stainless steel ring pipeline, the lacing film base, corrode the lacing film, corrode probe base and corrosion probe, stainless steel ring pipeline's both ends all with the fixed intercommunication of the lateral wall of box, and stainless steel ring pipeline's both ends all extend to the outside of box, the common fixed intercommunication of the entrance point of a plurality of stainless steel ring pipeline has the inlet pipe, the common fixed intercommunication of the exit end of a plurality of stainless steel ring pipeline has the discharging pipe, stainless steel ring pipeline's the fixed intercommunication of lateral wall has two first pipes, the top of two first pipes all runs through the box and extends to the outside of box, lacing film base and corrosion probe base difference fixed connection are on the top of two first pipes. The utility model discloses can accomplish the inhibition performance evaluation and the corruption aassessment to the corrosion inhibitor under oil gas field normal position environment, the device is with low costs, convenient operation.
Description
Technical Field
The utility model relates to a corrosion inhibitor detects technical field, especially relates to a corrosion inhibitor on-line evaluation device that is used for heterogeneous class of flow of oil gas water to thoughtlessly defeated.
Background
With the exploitation and production of oil and gas fields, internal corrosion is accompanied by the whole production cycle of the whole oil and gas field, and great risks are brought to the safety management and the environmental protection of oil and gas pipelines. In recent years, corrosion problems in oil well pipe columns, process pipelines and submarine pipelines are increasingly prominent, corrosion inhibitors are used as important means for oil and gas field corrosion risk control, and the laboratory simulation is difficult to comprehensively restore the field working condition environment, so that the working condition environment, namely the corrosion environment, can be effectively ensured only by carrying out corrosion inhibitor evaluation work on the field, and the obtained result is true and reliable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the important means of corrosion inhibitor conduct oil gas field corruption risk management and control among the prior art, its laboratory simulation is difficult to the problem of the on-the-spot operating mode environment of recovering comprehensively, and the corrosion inhibitor on-line evaluation device who is used for multiphase flow of oil gas water to thoughtlessly transport who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
An online evaluation device for corrosion inhibitor for oil-gas-water multiphase flow mixed transportation comprises a cart box body, a plurality of stainless steel annular pipelines, a hanger base, corrosion hangers, a corrosion probe base and corrosion probes, wherein two ends of each stainless steel annular pipeline are fixedly communicated with the side wall of the box body, two ends of each stainless steel annular pipeline extend to the outside of the box body, a feeding pipe is fixedly communicated with the inlet ends of the plurality of stainless steel annular pipelines, a discharging pipe is fixedly communicated with the outlet ends of the plurality of stainless steel annular pipelines, two first guide pipes are fixedly communicated with the side wall of each stainless steel annular pipeline, the top ends of the two first guide pipes penetrate through the box body and extend to the outside of the box body, the hanger base and the corrosion probe base are fixedly connected to the top ends of the two first guide pipes respectively, and the corrosion hangers and the corrosion probes are fixedly connected with the hanger base and the corrosion probe base respectively, the automatic temperature detection device is characterized in that a medicament tank and a pneumatic filling pump which correspond to the stainless steel annular pipeline are fixedly connected to the inner bottom of the box body, the medicament tank is fixedly communicated with the inlet end of the pneumatic filling pump through a second conduit, the outlet end of the pneumatic filling pump is fixedly communicated with a medicament filling pipe, one end of the medicament filling pipe penetrates through the box body and extends to the outside of the box body, one end of the medicament filling pipe extending to the outside of the box body is fixedly communicated with the inlet end of the stainless steel annular pipeline, one end of the medicament filling pipe extending to the outside of the box body is fixedly communicated with a first flow control valve, the inlet end and the outlet end of the stainless steel annular pipeline are fixedly communicated with a second flow control valve, a pressure detection mechanism for detecting pressure is arranged on the stainless steel annular pipeline, and a temperature detection mechanism for detecting temperature is arranged on the stainless steel annular pipeline.
Preferably, a third flow control valve is fixedly communicated with the second conduit.
Preferably, the pressure detection mechanism includes third pipe and manometer, the first holding tank corresponding with the manometer is seted up to the lateral wall of box, the manometer inlays the inside of establishing at first holding tank, the one end of third pipe and the fixed intercommunication of stainless steel ring pipeline's lateral wall, the other end of third pipe runs through the inside that extends to first holding tank, and the third pipe extends to the fixed intercommunication of the inside one end of first holding tank and manometer.
Preferably, the temperature detection mechanism includes fourth pipe and thermometer, the second holding tank corresponding with the thermometer is seted up to the lateral wall of box, the thermometer inlays the inside of establishing at the second holding tank, the one end of fourth pipe and the fixed intercommunication of lateral wall of stainless steel loop pipe way, the other end of fourth pipe runs through the inside that extends to the second holding tank, and the fourth pipe extends to the fixed intercommunication of the inside one end and the thermometer of second holding tank.
Preferably, a collecting box is placed on one side of the box body, and the bottom end of the discharge pipe extends to the interior of the collecting box.
Preferably, the first conduit is integrally formed with the stainless steel annular pipe.
Compared with the prior art, the utility model provides a corrosion inhibitor on-line evaluation device that is used for heterogeneous class of flow of oil gas water to thoughtlessly transport possesses following beneficial effect:
1. The corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation is low in cost and convenient to operate, and has important significance for carrying out corrosion inhibition performance evaluation and corrosion research work of pipeline materials in the oil-gas field working condition environment.
2. This a corrosion inhibitor on-line evaluation device for multiphase flow mixed transportation of oil gas water through setting up three pipes, fourth pipe, manometer and thermometer, can the accurate pressure value and the temperature value of measuring liquid in the stainless steel ring line, guarantees the uniformity that detects operating mode parameter.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can accomplish corrosion inhibition performance evaluation and the corruption aassessment to the corrosion inhibitor under oil gas field normal position environment, the device is with low costs, convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of an online evaluation device for corrosion inhibitor used for oil-gas-water multiphase flow mixed transportation provided by the utility model;
Fig. 2 is a top view of fig. 1.
In the figure: the device comprises a box body 1, a stainless steel annular pipeline 2, a hanging piece base 3, a corrosion hanging piece 4, a corrosion probe base 5, a corrosion probe 6, a first guide pipe 7, a medicament tank 8, a pneumatic filling pump 9, a medicament filling pipe 10, a first flow control valve 11, a second flow control valve 12, a third flow control valve 13, a pressure gauge 14, a thermometer 15 and a collecting box 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, an online evaluation device for corrosion inhibitor for multiphase flow mixed transportation of oil, gas and water comprises a cart box 1, a plurality of stainless steel annular pipelines 2, a coupon base 3, a corrosion coupon 4, a corrosion probe base 5 and a corrosion probe 6, wherein both ends of the stainless steel annular pipelines 2 are fixedly communicated with the side wall of the box 1, both ends of the stainless steel annular pipelines 2 extend to the outside of the box 1, the inlet ends of the stainless steel annular pipelines 2 are fixedly communicated with a feed pipe, the outlet ends of the stainless steel annular pipelines 2 are fixedly communicated with a discharge pipe, the side wall of the stainless steel annular pipelines 2 is fixedly communicated with two first guide pipes 7, the top ends of the two first guide pipes 7 penetrate through the box 1 and extend to the outside of the box 1, the coupon base 3 and the corrosion probe base 5 are respectively and fixedly connected to the top ends of the two first guide pipes 7, a corrosion hanging sheet 4 and a corrosion probe 6 are respectively fixedly connected with a hanging sheet base 3 and a corrosion probe base 5, the inner bottom of the box body 1 is fixedly connected with a medicament tank 8 and a pneumatic filling pump 9 which correspond to the stainless steel annular pipeline 2, the medicament tank 8 is fixedly communicated with the inlet end of the pneumatic filling pump 9 through a second conduit, the outlet end of the pneumatic filling pump 9 is fixedly communicated with a medicament filling pipe 10, one end of the medicament filling pipe 10 penetrates through the box body 1 and extends to the outside of the box body 1, one end of the medicament filling pipe 10 extending to the outside of the box body 1 is fixedly communicated with the inlet end of the stainless steel annular pipeline 2, one end of the medicament filling pipe 10 extending to the outside of the box body 1 is fixedly communicated with a first flow control valve 11, the inlet end and the outlet end of the stainless steel annular pipeline 2 are both fixedly communicated with a second flow control valve 12, and the stainless steel annular pipeline 2 is provided with a pressure detection mechanism for detecting pressure, and a temperature detection mechanism for detecting temperature is arranged on the stainless steel annular pipeline 2.
a third flow control valve 13 is fixedly communicated with the second conduit, and the third flow control valve 13 controls the output quantity of the medicine in the medicine tank 8.
Pressure detection mechanism includes third pipe and manometer 14, the first holding tank corresponding with manometer 14 is seted up to the lateral wall of box 1, manometer 14 inlays the inside of establishing at first holding tank, the one end of third pipe and the fixed intercommunication of the lateral wall of stainless steel annular pipeline 2, the other end of third pipe runs through the inside that extends to first holding tank, and the third pipe extends to the inside one end of first holding tank and the fixed intercommunication of manometer 14, pressure detection mechanism is used for detecting the pressure of the inside liquid of stainless steel annular pipeline 2.
temperature detection mechanism includes fourth pipe and thermometer 15, the second holding tank corresponding with thermometer 15 has been seted up to the lateral wall of box 1, thermometer 15 inlays the inside of establishing at the second holding tank, the one end of fourth pipe and the fixed intercommunication of stainless steel annular pipeline 2's lateral wall, the other end of fourth pipe runs through the inside that extends to the second holding tank, and the fourth pipe extends to the inside one end of second holding tank and the fixed intercommunication of thermometer 15, temperature detection mechanism is used for detecting the temperature of the 2 inside liquid of stainless steel annular pipeline.
Collecting box 16 has been placed to one side of box 1, and the bottom of discharging pipe extends to collecting box 16's inside, collects box 16 and is used for collecting the liquid after the detection, first pipe 7 and stainless steel annular pipeline 2 integrated into one piece.
in the utility model, the oil-gas-water mixture is introduced from the inlet pipe, the oil-gas-water mixture respectively enters into the plurality of stainless steel annular pipelines 2, the hanger base 3 is provided with the corrosion hanger 4 when in use, through an online corrosion experiment, the weight is removed after a certain period to calculate the corrosion rate, the corrosion probe base 5 is provided with the corrosion probe 6 when in use, after online monitoring, the real-time corrosion rate is obtained, the corrosion hanger 4 and the corrosion probe 6 are used simultaneously to check the data mutually, the stainless steel annular pipelines 2 are surrounded by a plurality of groups to ensure that the fluid enters into the testing loop to keep a stable state, avoid the influence of turbulence and slug flow, ensure the testing precision, the corrosion inhibitor introduced into the oil field by the pneumatic filling pump 9 at the inlet end of the stainless steel annular pipeline 2, the plurality of groups of stainless steel annular pipelines 2 introduce a plurality of groups of corrosion inhibitors, and the filling concentration and the filling amount of the stainless steel annular pipelines 2 are controlled by the corresponding pneumatic filling pump 9, the corrosion inhibition test under different corrosion inhibitor concentration gradients can be carried out, and the liquid flow and the pressure in the stainless steel annular pipelines 2 are controlled through the second flow control valve 12.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation is characterized by comprising a cart box body (1), a plurality of stainless steel annular pipelines (2), a hanging piece base (3), a corrosion hanging piece (4), a corrosion probe base (5) and a corrosion probe (6), wherein two ends of each stainless steel annular pipeline (2) are fixedly communicated with the side wall of the cart box body (1), two ends of each stainless steel annular pipeline (2) extend to the outside of the cart box body (1), an inlet end of each stainless steel annular pipeline (2) is fixedly communicated with a feeding pipe, an outlet end of each stainless steel annular pipeline (2) is fixedly communicated with a discharging pipe, two first guide pipes (7) are fixedly communicated with the side wall of each stainless steel annular pipeline (2), and the top ends of the two first guide pipes (7) penetrate through the cart box body (1) and extend to the outside of the cart box body (1), the hanging piece base (3) and the corrosion probe base (5) are respectively and fixedly connected to the top ends of two first guide pipes (7), the corrosion hanging piece (4) and the corrosion probe (6) are respectively and fixedly connected with the hanging piece base (3) and the corrosion probe base (5), the inner bottom of the box body (1) is fixedly connected with a medicament tank (8) and a pneumatic filling pump (9) which correspond to the stainless steel annular pipeline (2), the medicament tank (8) is fixedly communicated with the inlet end of the pneumatic filling pump (9) through a second guide pipe, the outlet end of the pneumatic filling pump (9) is fixedly communicated with a medicament filling pipe (10), one end of the medicament filling pipe (10) penetrates through the box body (1) and extends to the outside of the box body (1), one end of the medicament filling pipe (10) extending to the outside of the box body (1) is fixedly communicated with the inlet end of the stainless steel annular pipeline (2), and one end of the medicament filling pipe (10) extending to the outside of the box body (1) is fixedly communicated with a first flow control valve (11), the inlet end and the outlet end of the stainless steel annular pipeline (2) are fixedly communicated with a second flow control valve (12), the stainless steel annular pipeline (2) is provided with a pressure detection mechanism for detecting pressure, and the stainless steel annular pipeline (2) is provided with a temperature detection mechanism for detecting temperature.
2. The on-line corrosion inhibitor evaluation device for oil-gas-water multiphase flow mixed transportation according to claim 1, wherein a third flow control valve (13) is fixedly communicated with the second conduit.
3. The online evaluation device of the corrosion inhibitor for oil-gas-water multiphase flow mixed transportation according to claim 1, wherein the pressure detection mechanism comprises a third conduit and a pressure gauge (14), the outer side wall of the box body (1) is provided with a first accommodating groove corresponding to the pressure gauge (14), the pressure gauge (14) is embedded in the first accommodating groove, one end of the third conduit is fixedly communicated with the side wall of the stainless steel annular pipeline (2), the other end of the third conduit penetrates through the first accommodating groove, and one end of the third conduit extending into the first accommodating groove is fixedly communicated with the pressure gauge (14).
4. The on-line corrosion inhibitor evaluation device for oil-gas-water multiphase flow mixed transportation according to claim 1, wherein the temperature detection mechanism comprises a fourth conduit and a thermometer (15), a second accommodating groove corresponding to the thermometer (15) is formed in the outer side wall of the box body (1), the thermometer (15) is embedded in the second accommodating groove, one end of the fourth conduit is fixedly communicated with the side wall of the stainless steel annular pipeline (2), the other end of the fourth conduit penetrates through the second accommodating groove, and one end of the fourth conduit extending into the second accommodating groove is fixedly communicated with the thermometer (15).
5. The on-line evaluation device of the corrosion inhibitor for the mixed transportation of oil, gas and water multiphase flows is characterized in that a collecting box (16) is placed on one side of the box body (1), and the bottom end of the discharging pipe extends to the interior of the collecting box (16).
6. The on-line corrosion inhibitor evaluation device for oil-gas-water multiphase flow mixed transportation according to claim 1, wherein the first conduit (7) is integrally formed with the stainless steel annular pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920085567.1U CN209784299U (en) | 2019-01-18 | 2019-01-18 | Corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920085567.1U CN209784299U (en) | 2019-01-18 | 2019-01-18 | Corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation |
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| Publication Number | Publication Date |
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| CN209784299U true CN209784299U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920085567.1U Expired - Fee Related CN209784299U (en) | 2019-01-18 | 2019-01-18 | Corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation |
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| CN (1) | CN209784299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670805A (en) * | 2021-09-10 | 2021-11-19 | 西南石油大学 | System for simulating field dynamic corrosion of acidic natural gas field |
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2019
- 2019-01-18 CN CN201920085567.1U patent/CN209784299U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670805A (en) * | 2021-09-10 | 2021-11-19 | 西南石油大学 | System for simulating field dynamic corrosion of acidic natural gas field |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20220118 |