CN103696736A - Paraffin removal device of oil gathering pipeline - Google Patents
Paraffin removal device of oil gathering pipeline Download PDFInfo
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- CN103696736A CN103696736A CN201210365752.9A CN201210365752A CN103696736A CN 103696736 A CN103696736 A CN 103696736A CN 201210365752 A CN201210365752 A CN 201210365752A CN 103696736 A CN103696736 A CN 103696736A
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Abstract
The invention discloses a paraffin removal device of an oil gathering pipeline. The paraffin removal device comprises a ball casting device (1), a medicine box (4), a measuring pump (5), an electromagnetic valve (3) and an intelligent control system (9), wherein the medicine box (4) is connected with the measuring pump (5) through a measuring pump medicine feeding pipe (8); the measuring pump (5) is connected with an oil pipe medicine feeding pipe (2) through the electromagnetic valve (3); the ball casting device (1) is arranged outside the medicine box (4) and is communicated with the oil pipe medicine feeding pipe (2); the intelligent control system (9) is in circuit connection with the ball casting device (1), the measuring pump (5) and the electromagnetic valve (3) respectively. According to the paraffin removal device, the functions of medicine feeding paraffin melting and ball casting paraffin removal are integrated on the same equipment, the paraffin removal capacity of the oil gathering pipeline is effectively improved, return pressure at a well opening can be effectively reduced, and production pollution and loss caused by ball casting plugging of the oil gathering pipeline are avoided.
Description
Technical field
The present invention relates to well site of oil field process equipment field, particularly relate to a kind of paraffin removal unit of gathering line.
Background technology
In oil exploitation engineering, the general wax content of crude oil is larger, crude oil from underground mining out, great majority need to be carried by oil pipeline.Oil is in oilbearing stratum time, because temperature is high, pressure is large, wax is dissolved in crude oil fully, when crude oil is when oil well flows out, because temperature and pressure all reduce, wax is just separated out rapidly from crude oil, and these waxes of separating out are easy to stick on the tube wall of oil pipeline, blocking oil pipeline, even there is the phenomenon of stopping up completely in the conveying capacity that reduces oil pipeline.The crude oil of the existing field produces of China is rich in wax, and according to statistics, the content of wax surpasses 10% crude oil and almost accounts for 90% of whole output crude oil, and the content of wax of most of crude oil extraction is all more than 20%, have even up to 40%-50%.In field of petroleum exploitation, dewaxing method has mechanical paraffin removal, heat to wash down the technology such as wax control, paraffin control with inhibitor, magnetic paraffin control, undercoating conventionally.At present, China is used maximum dewaxing methods for paraffin control with inhibitor, adopts wax-proofing agent wax removal method.
In common oil extraction, owing to adopting normal temperature oil-collecting pattern, particularly winter, gathering line wax deposition was serious.When adopting self-timing stuff wax removal, because pipeline wax deposition situation is not considered in its pitching, in part pipeline pitching process, there will be pipeline stopping state.
In realizing process of the present invention, inventor finds that prior art at least exists following problem: existing pitching wax removal technology, and in wax removal process, wax stone constantly comes off, and can cause the obstruction of pipeline; Thereby need scene to get angry, cut open and stop up section, caused larger workload, safety and environmental protection risk is larger.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the present invention provides a kind of paraffin removal unit of gathering line, particularly, the paraffin removal unit of this gathering line solved that gathering line wax deposition causes pipeline internal diameter to reduce, Oil Well Back Pressure is high, oil well pump inefficiency, technical problem that power consumption is large.Described technical scheme is as follows:
A kind of paraffin removal unit of gathering line, described paraffin removal unit comprises: ball-throwing apparatus, medicine-chest, measuring pump, electromagnetic valve and intelligence control system, described medicine-chest is connected with described measuring pump by measuring pump chemical feed pipe, and described measuring pump is connected with oil pipe chemical feed pipe through described electromagnetic valve; Described ball-throwing apparatus is arranged on the outside of described medicine-chest, and described ball-throwing apparatus is communicated with described oil pipe chemical feed pipe; Described intelligence control system is connected with described ball-throwing apparatus, described measuring pump and the equal circuit of described electromagnetic valve.
Further, described paraffin removal unit is provided with two above described electromagnetic valves, and the described oil pipe chemical feed pipe that described in each, electromagnetic valve is corresponding with connects.
Further, a side of described medicine-chest is provided with content gauge, and described content gauge is monitored the liquid level in described medicine-chest.
Further, one end in described medicine-chest stretched into of described measuring pump chemical feed pipe is provided with and pumps into strainer.
Further, on described medicine-chest, being provided with medicating mechanism, described medicating mechanism and described intelligence control system) circuit is connected.
Further, described paraffin removal unit also comprises ball-throwing apparatus, and described ball-throwing apparatus is arranged on the outside of described medicine-chest, and described ball-throwing apparatus is communicated with described oil pipe chemical feed pipe, and described ball-throwing apparatus is connected with described intelligent control system circuit.
Further, described ball-throwing apparatus is double-piston automatic ball-throwing apparatus.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By the function of dosing wax melting and pitching wax removal is integrated on same equipment, effectively improved the wax removal ability to gathering line, oil transportation ability and the transfer efficiency of gathering line have been improved widely, this cover paraffin removal unit can reduce wellhead back pressure effectively, the production of avoiding gathering line pitching obstruction to cause is polluted and loss, the normal operation of guaranteeing not heat oil-collecting technique.
On the other hand, the problem existing for existing automatic ball-throwing wax removal, this paraffin removal unit is by adopting Wireless remote control technology, multipath electrovalve, double-piston automatic ball-throwing apparatus, the structure design of embedded intelligence programmable logic controller automatic control technology and high-pressure metering pump, realized the integrated application of paraffin removing with chemical method and physics wax removal, efficiently solve oil well and gathering line wax deposition problem, and can be by the platform of oil field well station digital management system, realize well site, the long-distance intelligent operation of pipeline wax removal, the automatic collection of data, teletransmission, the functions such as remote monitoring control, significantly having reduced heat washes, pipeline purging workload, saved manpower, material resources, reduced the impact on environment, more meet digital management needs.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the paraffin removal unit structural representation that the embodiment of the present invention one provides;
Fig. 2 is that the paraffin removal unit that the embodiment of the present invention one provides connects flow chart.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment mono-
The present embodiment provides a kind of paraffin removal unit of gathering line, and referring to Fig. 1, this paraffin removal unit comprises ball-throwing apparatus 1, medicine-chest 4, measuring pump 5, electromagnetic valve 3 and intelligence control system 9.Wherein, this medicine-chest 4 is Square barrel or column barrel, and measuring pump 5 is high-pressure metering pump, and intelligence control system 9 can be determined according to actual needs with the mounting distance of these medicine-chest 4 members such as grade.
Medicine-chest 4 is connected with measuring pump 5 by measuring pump chemical feed pipe 8, and measuring pump 5 is connected with oil pipe chemical feed pipe 2 through electromagnetic valve 3.Like this, under the instruction of measuring pump 5, the liquid in medicine-chest 4 is transported to measuring pump 5 places by measuring pump chemical feed pipe 8, then is transported in oil pipe chemical feed pipe 2 through electromagnetic valve 3, carries out wax melting in delivering to gathering line.Preferably, oil pipe chemical feed pipe 2 and the stainless steel pipeline of measuring pump chemical feed pipe 8 for adopting stainless steel to make.Electromagnetic valve 3 can arrange a plurality of as required, forms electromagnetism valve island, and each electromagnetic valve 3 correspondence a gathering line.One end in medicine-chest 4 stretched into of measuring pump chemical feed pipe 8 is provided with and pumps into strainer 7, can avoid impurity in medicine-chest 4 etc. to enter in measuring pump 5 and electromagnetic valve 3, and be brought in gathering line.This ball-throwing apparatus 1 is arranged on the outside of medicine-chest 4, and ball-throwing apparatus 1 is communicated with oil pipe chemical feed pipe 2.
Preferably, this paraffin removal unit also comprises a content gauge 6, and this content gauge 6 is arranged on a side of medicine-chest 4, the liquid level in content gauge 6 monitoring medicine-chests 4.This content gauge 6 is preferably magnetic flap level gauge.This content gauge 6 is connected with intelligence control system 9 circuit simultaneously, and this content gauge 6 feeds back to intelligence control system 9 after monitoring the liquid level in medicine-chest 4, by intelligence control system 9, is judged whether need to the liquid in medicine-chest 4 be supplemented.On medicine-chest 4, be provided with medicating mechanism 10, medicating mechanism 10 is communicated with the outside liquid place of providing by pipeline, and medicating mechanism 10 is connected with intelligence control system 9 circuit.When intelligence control system 9 receives after the feedback information of content gauge 6, if desired to supplementing liquid in medicine-chest 4, intelligence control system 9 indication medicating mechanisms 10 are from the interior supplementary liquid of trend medicine-chest 4.
Embodiment bis-
The present embodiment provides a kind of paraffin removal unit of gathering line, and referring to Fig. 1, this paraffin removal unit comprises medicine-chest 4, measuring pump 5, electromagnetic valve 3 and intelligence control system 9.Wherein, medicine-chest 4, measuring pump 5, electromagnetic valve 3 and the structure of intelligence control system 9 are consistent with embodiment mono-with annexation each other.Except above-mentioned member, this paraffin removal unit also comprises ball-throwing apparatus 1, and this ball-throwing apparatus 1 is arranged on the outside of medicine-chest 4, and ball-throwing apparatus 1 is communicated with oil pipe chemical feed pipe 2, and ball-throwing apparatus 1 is connected with intelligence control system 9 circuit.Like this, this paraffin removal unit also possesses the mechanical paraffin removal function of pitching wax removal outside the function that possesses dosing wax melting.Preferably, this ball-throwing apparatus 1 is double-piston automatic ball-throwing apparatus.
Embodiment tri-
The present embodiment provides a kind of paraffin removal unit of gathering line, and referring to Fig. 1, this paraffin removal unit comprises medicine-chest 4, measuring pump 5, electromagnetic valve 3 and intelligence control system 9.Wherein, this medicine-chest 4 is Square barrel or column barrel, and measuring pump 5 is high-pressure metering pump, and intelligence control system 9 can be determined according to actual needs with the mounting distance of these medicine-chest 4 members such as grade.
Medicine-chest 4 is connected with measuring pump 5 by measuring pump chemical feed pipe 8, and measuring pump 5 is connected with oil pipe chemical feed pipe 2 through electromagnetic valve 3.Like this, under the instruction of measuring pump 5, the liquid in medicine-chest 4 is transported to measuring pump 5 places by measuring pump chemical feed pipe 8, then is transported in oil pipe chemical feed pipe 2 through electromagnetic valve 3, carries out wax melting in delivering to gathering line.Preferably, oil pipe chemical feed pipe 2 and the stainless steel pipeline of measuring pump chemical feed pipe 8 for adopting stainless steel to make.One end in medicine-chest 4 stretched into of measuring pump chemical feed pipe 8 is provided with and pumps into strainer 7, can avoid impurity in medicine-chest 4 etc. to enter in measuring pump 5 and electromagnetic valve 3, and be brought in gathering line.
In conjunction with referring to Fig. 2, this paraffin removal unit has seven electromagnetic valves 3 and seven oil well casings 11, the oil pipe chemical feed pipe 2 that each electromagnetic valve 3 is corresponding with one connects, each oil pipe chemical feed pipe 2 is all communicated with an oil well casing 11 again, and each oil well casing 11 correspondence an oil pumper or an oil well.Like this, can a paraffin removal unit correspondence clear, the wax melting that a plurality of oil pumpers carry out gathering line.
Preferably, this paraffin removal unit also comprises a content gauge 6, and this content gauge 6 is arranged on a side of medicine-chest 4, the liquid level in content gauge 6 monitoring medicine-chests 4.This content gauge 6 is connected with intelligence control system 9 circuit simultaneously, and this content gauge 6 feeds back to intelligence control system 9 after monitoring the liquid level in medicine-chest 4, by intelligence control system 9, is judged whether need to the liquid in medicine-chest 4 be supplemented.On medicine-chest 4, be provided with medicating mechanism 10, medicating mechanism 10 is communicated with the outside liquid place of providing by pipeline, and medicating mechanism 10 is connected with intelligence control system 9 circuit.When intelligence control system 9 receives after the feedback information of content gauge 6, if desired to supplementing liquid in medicine-chest 4, intelligence control system 9 indication medicating mechanisms 10 are from the interior supplementary liquid of trend medicine-chest 4.
Preferably, this paraffin removal unit also comprises ball-throwing apparatus 1, and this ball-throwing apparatus 1 is arranged on the outside of medicine-chest 4, and ball-throwing apparatus 1 is communicated with oil pipe chemical feed pipe 2, and ball-throwing apparatus 1 is connected with intelligence control system 9 circuit.Like this, this paraffin removal unit also possesses the mechanical paraffin removal function of pitching wax removal outside the function that possesses dosing wax melting.Preferably, this ball-throwing apparatus 1 is double-piston automatic ball-throwing apparatus.
The operating principle of paraffin removal unit of the present invention is:
The first-selected portable suction pump by outfit is injected medicine in medicine-chests 4 by medicating mechanism 10, its injection rate can be checked by the other content gauge 6 of medicine-chest, then regulate the pumpage on measuring pump 5, finally switch on power, after seeing that indicator lamp is bright, on switch board panel, " manual/auto " switch is beaten in " automatically " position, then the remote control terminal at gathering station point moves remote control software, on the interface of this remote control terminal, set the required day chemical feeding quantity of each oil well casing 11, software can be converted into the pump work time automatically according to measuring pump 5 discharge capacities of previously setting, it is administration timing of drug.Then by wireless network, dosing instruction is sent to selected well site, through well site, antenna is forwarded to chemicals feeder, chemicals feeder arrives instruction by the antenna reception of himself, the intelligence control system 9 of chemicals feeder switch board is controlled measuring pump 5 according to command request and is started working, and control electromagnetic valve 3 in opening shape body, now, medicine-chest 4 comes liquid to enter measuring pump 5 through pump inlet strainer 7 to measuring pump dosing pipeline 8, the liquid of suppressing through measuring pump 5 is by the outlet of electromagnetic valve 3, by oil pipe chemical feed pipe 2, be connected to gathering line 12, through dosing pipeline 13, be linked to oil well casing 11, and give successively oil well casing 11 according to the chemical feeding quantity of command request, gathering line 12 filling medicines, the dosing record simultaneously intelligence control system 9 being collected, pitching record and medicine-chest residual liquid level data are put remote control terminal by wireless network teletransmission to gathering station, thereby realize the collection of well head medicine-adding data, monitoring and control.
The installation requirement of this paraffin removal unit is:
First in advance make concrete foundation, this concrete foundation need to be reserved with the interface of designing requirement quantity (such as 7 mouthfuls of oil wells in embodiment tri-, article 1, gathering line), equipment spare interface is connected with oil well casing, gathering line respectively, when paraffin removal unit is installed and the distance of oil well should not be less than 9 meters, the platform of concrete foundation is slightly larger than the length and width size of device.This concrete foundation should be more than projecting terrace 100mm, to avoid rainwater there be not basis and be convenient to remove accumulated snow winter.Before casting basis, user should be pre-buried good by the penetration pipe of power line and dosing pipeline.Install and appropriate to the occasion this paraffin removal unit is lifted on concrete platform, and with dull and stereotyped level gauge smoothing basis.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. the paraffin removal unit of a gathering line, it is characterized in that, described paraffin removal unit comprises: ball-throwing apparatus (1), medicine-chest (4), measuring pump (5), electromagnetic valve (3) and intelligence control system (9), described medicine-chest (4) is connected with described measuring pump (5) by measuring pump chemical feed pipe (8), and described measuring pump (5) is connected with oil pipe chemical feed pipe (2) through described electromagnetic valve (3);
Described ball-throwing apparatus (1) is arranged on the outside of described medicine-chest (4), and described ball-throwing apparatus (1) is communicated with described oil pipe chemical feed pipe (2);
Described intelligence control system (9) is connected with the equal circuit of described ball-throwing apparatus (1), described measuring pump (5) and described electromagnetic valve (3).
2. the paraffin removal unit of gathering line according to claim 1, is characterized in that, described paraffin removal unit is provided with two above described electromagnetic valves (3), and the described oil pipe chemical feed pipe (2) that electromagnetic valve described in each (3) is corresponding with connects.
3. the paraffin removal unit of gathering line according to claim 1, is characterized in that, a side of described medicine-chest (4) is provided with content gauge (6), and described content gauge (6) is monitored the liquid level in described medicine-chest (4).
4. the paraffin removal unit of gathering line according to claim 1, is characterized in that, one end in described medicine-chest (4) stretched into of described measuring pump chemical feed pipe (8) is provided with and pumps into strainer (7).
5. the paraffin removal unit of gathering line according to claim 4, is characterized in that, is provided with medicating mechanism (10) on described medicine-chest (4), and described medicating mechanism (10) is connected with described intelligence control system (9) circuit.
6. the paraffin removal unit of gathering line according to claim 1, is characterized in that, described ball-throwing apparatus (1) is double-piston automatic ball-throwing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210365752.9A CN103696736B (en) | 2012-09-27 | 2012-09-27 | The paraffin removal unit of gathering line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210365752.9A CN103696736B (en) | 2012-09-27 | 2012-09-27 | The paraffin removal unit of gathering line |
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| CN103696736A true CN103696736A (en) | 2014-04-02 |
| CN103696736B CN103696736B (en) | 2016-12-21 |
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| CN201210365752.9A Active CN103696736B (en) | 2012-09-27 | 2012-09-27 | The paraffin removal unit of gathering line |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568625A (en) * | 2015-01-05 | 2015-04-29 | 中国石油大学(北京) | Crude oil pipeline ball passing and wax removal simulation experiment device and experiment method |
| CN104832129A (en) * | 2015-04-30 | 2015-08-12 | 长江大学 | Paraffin cleaning and preventing method for gathering and transportation pipeline |
| CN106907574A (en) * | 2015-12-22 | 2017-06-30 | 中国石油天然气股份有限公司 | Oil collecting system |
| CN110094637A (en) * | 2018-01-31 | 2019-08-06 | 中国石油天然气股份有限公司 | Circulation paraffin removal device |
| CN110485967A (en) * | 2019-08-20 | 2019-11-22 | 中国石油天然气股份有限公司 | A kind of defroster of double medicament well mouth of oil well dosing pipelines and antifreeze method |
| CN114320235A (en) * | 2021-12-20 | 2022-04-12 | 陕西森瑞石油技术开发有限公司 | Gas well pipeline cleaning intelligent system |
| CN114666930A (en) * | 2022-03-04 | 2022-06-24 | 西安川秦石油科技有限公司 | Electromagnetic heating ball collecting device for oil pipeline and heating ball collecting method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568625A (en) * | 2015-01-05 | 2015-04-29 | 中国石油大学(北京) | Crude oil pipeline ball passing and wax removal simulation experiment device and experiment method |
| CN104832129A (en) * | 2015-04-30 | 2015-08-12 | 长江大学 | Paraffin cleaning and preventing method for gathering and transportation pipeline |
| CN106907574A (en) * | 2015-12-22 | 2017-06-30 | 中国石油天然气股份有限公司 | Oil collecting system |
| CN110094637A (en) * | 2018-01-31 | 2019-08-06 | 中国石油天然气股份有限公司 | Circulation paraffin removal device |
| CN110485967A (en) * | 2019-08-20 | 2019-11-22 | 中国石油天然气股份有限公司 | A kind of defroster of double medicament well mouth of oil well dosing pipelines and antifreeze method |
| CN110485967B (en) * | 2019-08-20 | 2022-03-29 | 中国石油天然气股份有限公司 | Anti-freezing device and anti-freezing method for double-agent oil well wellhead dosing pipeline |
| CN114320235A (en) * | 2021-12-20 | 2022-04-12 | 陕西森瑞石油技术开发有限公司 | Gas well pipeline cleaning intelligent system |
| CN114666930A (en) * | 2022-03-04 | 2022-06-24 | 西安川秦石油科技有限公司 | Electromagnetic heating ball collecting device for oil pipeline and heating ball collecting method thereof |
| CN114666930B (en) * | 2022-03-04 | 2023-08-08 | 西安川秦石油科技有限公司 | Electromagnetic heating ball collecting device for oil pipeline and heating ball collecting method thereof |
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| CN103696736B (en) | 2016-12-21 |
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