CN104976516A - Skid-mounted device based on large cluster well group alcohol injection system - Google Patents
Skid-mounted device based on large cluster well group alcohol injection system Download PDFInfo
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- CN104976516A CN104976516A CN201510402960.5A CN201510402960A CN104976516A CN 104976516 A CN104976516 A CN 104976516A CN 201510402960 A CN201510402960 A CN 201510402960A CN 104976516 A CN104976516 A CN 104976516A
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- methyl alcohol
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Abstract
The invention provides a skid-mounted device based on a large cluster well group alcohol injection system. The skid-mounted device comprises a first header and a plurality of methanol alcohol conveying pipes connected in parallel, wherein the first header is communicated with a methanol alcohol tank through a first connector; the inlet end of each methanol alcohol conveying pipe is communicated with the first header; the other end of each methanol alcohol conveying pipe is connected with a methanol alcohol outlet; the first header and the methanol alcohol conveying pipes are arranged on a prying base. The skid-mounted device based on the large cluster well group alcohol injection system facilitates management of a large cluster well group, avoids wellhead stopping and influence on downstream production operation caused by trouble shooting of a wellhead alcohol injection pump, reduces the cost, reduces the land occupation and accelerates the construction progress.
Description
Technical field
The invention belongs to gathering-transferring technology field, gas field, be specifically related to a kind of skid-mounted device based on large collecting well group note alcohol system.
Background technique
Along with expanding economy, country is increasing to the demand of the energy, and as the rock gas of clean energy resource, development speed is very fast.As the surface construction part of the construction of natural gas fields, construction scale is large, and construction station quantity is many.
Large cluster well is popularized in an all-round way in Gas field construction because of many advantages such as its ground area are little, management point is few, construction cost is low.Namely large cluster well builds 16 ~ 20 implication wells in 1 well site, and well group pressure height in early stage 6MPa ~ 10MPa, output is high by (34 × 10
4m
3~ 112 × 10
4m
3), main employing high-pressure gas collection technique.
High-pressure gas collection method, because the direct rock gas air pressure exported in well is very high, in order to natural gas transmission is carried out gas-liquid separation to gas gathering station by safety, again by gas collection service main by natural gas transport to central treatment plant deoiling, dewatering, need from gas gathering station by hydrate inhibitor methyl alcohol injection well head to prevent pipeline frozen block.When gas field, well number is many, well spacing is little, and when well yield is low, above-mentioned technique brings many inconveniences obviously to the production and administration of large collecting well group, adds cost of production.
Due to each gas well pressure drop, conventional design is adopted to have following problem:
1, well head dispersion, individual well well head note alcohol, is not easy to management for large collecting well group;
2, well head alchol-injection pump maintenance, easily causes well head to stop, affects the production run in downstream.
Summary of the invention
The object of this invention is to provide a kind of sledge dress note alcohol device saving cost, minimizing occupation of land, Accelerating The Construction progress.
For this reason, the invention provides a kind of skid-mounted device based on large collecting well group note alcohol system, comprise the first header be communicated with methanol tank by first interface, branched and the methyl alcohol transfer line of parallel connection, often prop up methyl alcohol transfer line entrance point to be communicated with the first header, the other end is connected with methanol outlet, and described first header and branched methyl alcohol transfer line are all located in skid;
Often prop up between methyl alcohol transfer line entrance point and methanol outlet and be provided with the first valve, flowmeter, the second valve, alchol-injection pump, the first ball valve, the second ball valve successively.
Also comprise branched first branch road, with the demarcation header often propping up methyl alcohol transfer line and be communicated with, its connectivity points is between flowmeter and the second valve;
Often prop up between the flowmeter of methyl alcohol transfer line and the second valve and be communicated with first branch road one end, the first branch road the other end is communicated with demarcation header, and described first branch road is provided with the 3rd valve.
Also comprise branched second branch road and branched 3rd branch road, often prop up between the alchol-injection pump of methyl alcohol transfer line and the first ball valve and be all communicated with the 3rd branch road one end with the second branch road, the other end is all communicated with the second header, and this second header is connected with the second interface;
Described second branch road is provided with safety valve, and described 3rd branch road is provided with ball valve.
Also comprise branched 4th branch road, with the 3rd header often propping up methyl alcohol transfer line and be communicated with, described 3rd header is communicated with between the first ball valve and the second ball valve, be communicated with the 4th branch road one end between its connectivity points and the second ball valve, the 4th branch road the other end is communicated with the 3rd header, and described 4th branch road is provided with the 3rd ball valve.
On described each methyl alcohol transfer line, before the first ball valve, be provided with the first safety check and the second safety check.
The invention has the beneficial effects as follows: the skid-mounted device of this large collecting well group note alcohol system provided by the invention, be convenient to the management of large collecting well group, save cost, reduce take up an area, the production run in Accelerating The Construction progress and downstream.
Be described in further details below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
In figure: 1, first interface; 2, the second interface; 3, the first valve; 4, flowmeter; 5, the second valve; 6, the 3rd valve; 7, alchol-injection pump; 8, safety valve; 9, ball valve; 10, the first safety check; 11, the second safety check; 12, the first ball valve; 13, the 3rd ball valve; 14, the second ball valve; 15, the first header; 16, header is demarcated; 17, the second header; 18, the 3rd header; 19, methanol outlet; 20, methyl alcohol transfer line; 21, the first branch road; 22, the second branch road; 23, the 3rd branch road; 24, the 4th branch road; 25, skid.
Embodiment
Embodiment 1:
Present embodiments provide a kind of skid-mounted device based on large collecting well group note alcohol system, comprise the first header 15 be communicated with methanol tank by first interface 1, branched and the methyl alcohol transfer line 20 of parallel connection, often prop up methyl alcohol transfer line 20 entrance point to be communicated with the first header 15, the other end is connected with methanol outlet 19, and described first header 15 and branched methyl alcohol transfer line 20 are all located in skid 25;
Often prop up between methyl alcohol transfer line 20 entrance point and methanol outlet 19 and be provided with the first valve 3, flowmeter 4, second valve 5, alchol-injection pump 7, first ball valve 12, second ball valve 14 successively.
As shown in Figure 1, first interface 1 and methanol tank carry out liquid pipeline and are connected, methyl alcohol enters the first header 15 by first interface 1, each methyl alcohol transfer line 20 is assigned to by the first header 15 methyl alcohol, by the first valve 3, flowmeter 4, second valve 5 to alchol-injection pump 7, methyl alcohol, after alchol-injection pump 7 supercharging, through the first ball valve 12, second ball valve 14, transports to downstream finally by methanol outlet 19.
The skid-mounted device of the large collecting well group note alcohol system that the present embodiment provides is convenient to the management of large collecting well group, reduces occupation of land, cost-saving simultaneously.
Embodiment 2:
On the basis of embodiment 1, also comprise branched first branch road 21, with the demarcation header 16 often propping up methyl alcohol transfer line 20 and be communicated with, its connectivity points is between flowmeter 4 and the second valve 5; Often prop up between the flowmeter 4 of methyl alcohol transfer line 20 and the second valve 5 and be communicated with first branch road 21 one end, first branch road 21 the other end is communicated with demarcation header 16, and described first branch road 21 is provided with the 3rd valve 6.
As shown in Figure 1, when flowmeter 4 breaks down, when error is larger, open the 3rd valve 6, methyl alcohol enters demarcation header 16 by the 3rd valve 6 and demarcates.
Embodiment 3:
On the basis of embodiment 1, also comprise branched second branch road 22 and branched 3rd branch road 23, often prop up between the alchol-injection pump 7 of methyl alcohol transfer line 20 and the first ball valve 12 and be all communicated with the 3rd branch road 23 one end with the second branch road 22, the other end is all communicated with the second header 17, and this second header 17 is connected with the second interface 2;
Wherein, the second branch road 22 is provided with safety valve 8, and the 3rd branch road 23 is provided with ball valve 9.
In the present embodiment, between alchol-injection pump 7 and the first ball valve 12, there is two-way branch line, as shown in Figure 1:
Second branch road 22: when alchol-injection pump 7 breaks down, during the level pressure causing methanol pump outlet methanol pressure to set higher than safety valve 8, for avoiding downstream line to damage, safety valve 8 is opened, and enters the second header 17, by the second interface 2 re-injection methanol tank.
3rd branch road 23: when alchol-injection pump 7 exports methyl alcohol superpressure, and the non-automatic unfastening of safety valve 8, open ball valve 9, methyl alcohol by ball valve 9, enter the second header 17, by the second interface 2 re-injection methanol tank.
Embodiment 4:
On the basis of embodiment 1,: also comprise branched 4th branch road 24, with the 3rd header 18 often propping up methyl alcohol transfer line 20 and be communicated with, described 3rd header 18 is communicated with between the first ball valve 12 and the second ball valve 14, be communicated with the 4th branch road 24 one end between its connectivity points and the second ball valve 14,4th branch road 24 the other end is communicated with the 3rd header 18, and described 4th branch road 24 is provided with the 3rd ball valve 13.
Wherein, on each methyl alcohol transfer line 20, the first safety check 10 and the second safety check 11 is provided with before the first ball valve 12.
In the present embodiment, when the alchol-injection pump 7 on arbitrary methyl alcohol transfer line 20 break down cannot run time, regulate normal alchol-injection pump 7 power run, increase its methyl alcohol output quantity, methyl alcohol is successively by after the first safety check 10, second safety check 11, first ball valve 12, open the 3rd ball valve 13, part methyl alcohol is made to enter the 3rd header 18, now, methyl alcohol enters after entering the 3rd header 18 by the 3rd ball valve 13, second ball valve 14 on the methyl alcohol transfer line 20 that alchol-injection pump 7 breaks down, and transports to downstream finally by methanol outlet 19.
In sum, the skid-mounted device of this large collecting well group note alcohol system provided by the invention, is convenient to the management of large collecting well group, avoids the troubleshooting of well head alchol-injection pump to cause well head to stop, affect downstream production run, save cost, reduce occupation of land, Accelerating The Construction progress.
The present embodiment does not have specifically described part all to belong to common practise and the known technology of the art, describes in detail no longer one by one herein.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (5)
1. the skid-mounted device based on large collecting well group note alcohol system, it is characterized in that: comprise the first header (15) be communicated with methanol tank by first interface (1), branched and the methyl alcohol transfer line (20) of parallel connection, often prop up methyl alcohol transfer line (20) entrance point to be communicated with the first header (15), the other end is connected with methanol outlet (19), and described first header (15) and branched methyl alcohol transfer line (20) are all located in skid (25);
Often prop up between methyl alcohol transfer line (20) entrance point and methanol outlet (19) and be provided with the first valve (3), flowmeter (4), the second valve (5), alchol-injection pump (7), the first ball valve (12), the second ball valve (14) successively.
2. a kind of skid-mounted device based on large collecting well group note alcohol system according to claim 1, it is characterized in that: also comprise branched first branch road (21), with the demarcation header (16) often propping up methyl alcohol transfer line (20) and be communicated with, its connectivity points is positioned between flowmeter (4) and the second valve (5);
Often prop up between the flowmeter (4) of methyl alcohol transfer line (20) and the second valve (5) and be communicated with the first branch road (21) one end, the first branch road (21) the other end is communicated with demarcation header (16), and described first branch road (21) is provided with the 3rd valve (6).
3. a kind of skid-mounted device based on large collecting well group note alcohol system according to claim 1, it is characterized in that: also comprise branched second branch road (22) and branched 3rd branch road (23), often prop up between the alchol-injection pump (7) of methyl alcohol transfer line (20) and the first ball valve (12) and be all communicated with the 3rd branch road (23) one end with the second branch road (22), the other end is all communicated with the second header (17), and this second header (17) is connected with the second interface (2);
Described second branch road (22) is provided with safety valve (8), and described 3rd branch road (23) is provided with ball valve (9).
4. a kind of skid-mounted device based on large collecting well group note alcohol system according to claim 1, it is characterized in that: also comprise branched 4th branch road (24), with the 3rd header (18) often propping up methyl alcohol transfer line (20) and be communicated with, described 3rd header (18) is communicated with between the first ball valve (12) and the second ball valve (14), be communicated with the 4th branch road (24) one end between its connectivity points and the second ball valve (14), 4th branch road (24) the other end is communicated with the 3rd header (18), and described 4th branch road (24) is provided with the 3rd ball valve (13).
5. a kind of skid-mounted device based on large collecting well group note alcohol system according to claim 1 or 3, is characterized in that: described each methyl alcohol transfer line (20) is upper, the first ball valve (12) is front is provided with the first safety check (10) and the second safety check (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402960.5A CN104976516B (en) | 2015-07-10 | 2015-07-10 | A kind of skid-mounted device that alcohol system is noted based on big collecting well group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402960.5A CN104976516B (en) | 2015-07-10 | 2015-07-10 | A kind of skid-mounted device that alcohol system is noted based on big collecting well group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104976516A true CN104976516A (en) | 2015-10-14 |
| CN104976516B CN104976516B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510402960.5A Active CN104976516B (en) | 2015-07-10 | 2015-07-10 | A kind of skid-mounted device that alcohol system is noted based on big collecting well group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111228841A (en) * | 2020-03-12 | 2020-06-05 | 金昌隆博气体有限责任公司 | Device and method for preventing system freezing and blocking in carbon dioxide double-tower rectification separation system |
-
2015
- 2015-07-10 CN CN201510402960.5A patent/CN104976516B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111228841A (en) * | 2020-03-12 | 2020-06-05 | 金昌隆博气体有限责任公司 | Device and method for preventing system freezing and blocking in carbon dioxide double-tower rectification separation system |
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| Publication number | Publication date |
|---|---|
| CN104976516B (en) | 2017-06-16 |
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