CN109882154B - Single well metering device - Google Patents
Single well metering device Download PDFInfo
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- CN109882154B CN109882154B CN201910317444.0A CN201910317444A CN109882154B CN 109882154 B CN109882154 B CN 109882154B CN 201910317444 A CN201910317444 A CN 201910317444A CN 109882154 B CN109882154 B CN 109882154B
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- 239000007788 liquid Substances 0.000 claims abstract description 139
- 238000000926 separation method Methods 0.000 claims abstract description 129
- 239000010779 crude oil Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000008676 import Effects 0.000 claims 1
- 238000005191 phase separation Methods 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 17
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 239000012071 phase Substances 0.000 description 13
- 239000007791 liquid phase Substances 0.000 description 10
- 239000003129 oil well Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of petroleum metering devices, and particularly relates to a single-well metering device which comprises an inlet pipeline, wherein the inlet pipeline is connected with a pressure transmitter, the pressure transmitter is connected with a gas-liquid pre-separation inlet pipeline, the gas-liquid pre-separation inlet pipeline is connected with an inlet double-inclined-tube pre-separation pipe, the inlet double-inclined-tube pre-separation pipe is sequentially connected with a gas-liquid cyclone separation pipe, a tubular cyclone separator and a secondary separation pipe, the lower side of the gas-liquid cyclone separation pipe is connected with a sewage collecting pipe, the gas-liquid secondary separation pipe is connected with a second ball valve, the second ball valve is connected with a precession vortex gas flowmeter, the precession vortex gas flowmeter is connected with a third connecting pipe, the third connecting pipe is connected with a fourth connecting pipe, one end of the fourth connecting pipe is connected with an outlet pipeline, the other end of the fourth connecting pipe is connected with a crude oil water analyzer, the crude oil water analyzer is connected with a straight-pipe mass flowmeter, the straight-pipe mass flowmeter is connected with the tubular cyclone separator, and the sewage collecting pipe is connected with a sewage discharging outlet pipeline.
Description
Technical Field
The invention belongs to the technical field of petroleum metering devices, and particularly relates to a single-well metering device.
Background
In oilfield production, how to accurately and reliably measure the water content and oil yield of single-well crude oil is taken as one of the most basic production parameters, and the oilfield manager is always plagued. Because of the influence of complex factors such as different crude oil properties, larger change of water content and gas content, irregular produced liquid and the like, a technology which has simple structure, good universality and reliable measurement precision is difficult to find, and the problem is more remarkable especially for oil wells entering a high water content period.
Disclosure of Invention
The purpose of the invention is that: the single well metering device has the advantages of simple structure, convenient operation, high reliability, small caliber requirement, attractive appearance and the like, can adapt to complex working conditions of high water content, more gas or less gas, intermittent liquid supply, different physical properties of crude oil, severe yield change and the like of an oilfield site, can maintain repeatable and verifiable high-precision crude oil water content and oil yield measurement under different working condition conditions, solves the problems that the existing oil metering technology only can adapt to partial oil wells, the crude oil water content and the oil yield measurement are uncertain, and provides a reliable means for informatization construction and centralized management of the oilfield.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a single well metering device, includes inlet line and switch board, switch board fixedly connected with sled body base, inlet line is connected with first ball valve, first ball valve pipe coupling has pressure transmitter, pressure transmitter is connected with gas-liquid pre-separation inlet line, gas-liquid pre-separation inlet line is connected with inlet double inclined tube pre-separation pipe, inlet double inclined tube pre-separation pipe is connected with gas-liquid cyclone separation pipe by the tangential direction of gas-liquid cyclone separation pipe, gas-liquid cyclone separation pipe downside is connected with the dirt collecting pipe, dirt collecting pipe is connected with tubular cyclone separator, tubular cyclone separator is connected with sled body base fixed connection, be connected with first connecting pipe between gas-liquid cyclone separator upside and the tubular cyclone separator upside, first connecting pipe is connected with tubular cyclone separator by the tangential direction, tubular cyclone separator upside is connected with the second crude oil cyclone separator, the second connecting pipe is connected with the gas-liquid cyclone separator by the tangential direction of tubular cyclone separator, the second ball valve, the second connecting pipe is connected with the ball valve, the second cyclone separator side is connected with the second flowmeter, the second connecting pipe is connected with the ball valve, the second flowmeter is connected with the second connecting pipe is connected with the other end of tubular cyclone separator, the second flowmeter is connected with the second connecting pipe, the second flowmeter is connected with the ball valve, the second flowmeter is connected with the other end of the second connecting pipe is connected with the second connecting pipe, the crude oil water-containing analyzer pipeline is connected with a straight pipe mass flowmeter, the straight pipe mass flowmeter is connected with the lower side of the tubular cyclone separator, the sewage collecting pipe is connected with a fourth ball valve, the fourth ball valve is connected with a sewage outlet pipeline, the gas-liquid cyclone separator pipe, the tubular cyclone separator and the gas-liquid secondary separator pipe are all perpendicular to the horizontal plane, and the signal input end of the control cabinet is connected with a pressure transmitter, a precession vortex gas flowmeter, the crude oil water-containing analyzer and the straight pipe mass flowmeter through signals.
By adopting the technical scheme of the invention, the skid-mounted structure has the advantages of simple structure, convenient operation, high reliability, small caliber requirement, attractive appearance and the like; by means of the characteristics and kinetic energy of the produced liquid of the oil well, the device is integrally designed by adopting a non-pressure container, the operation is convenient, crude oil is separated for multiple times through the separation device, the crude oil is metered through the precession vortex gas flowmeter, the straight pipe mass flowmeter and the crude oil water-containing analyzer respectively, signals are transmitted to the control cabinet for summarizing and analyzing, the precession vortex gas flowmeter detects the gas content of the crude oil, the crude oil water-containing analyzer detects the water content of the crude oil, the straight pipe mass flowmeter can detect the flow rate of the crude oil, the pressure loss is small, the crude oil is not easy to block, and the cleaning is convenient; the instantaneous flow, the accumulated flow and other parameters detected by the pressure transmitter arranged at the inlet are converted into signals and summarized into a control cabinet; the gas-liquid pre-separation inlet pipeline and the inlet double-inclined-tube pre-separation pipe are used for carrying out automatic pre-separation, separated gas phase floats upwards and enters the gas-liquid cyclone separation pipe from a pipeline at the upper side of the inlet double-inclined-tube pre-separation pipe, residual crude oil enters the gas-liquid cyclone separation pipe from a pipeline at the lower side of the inlet double-inclined-tube pre-separation pipe, the inlet double-inclined-tube pre-separation pipe is connected with the gas-liquid cyclone separation pipe from the tangential direction of the gas-liquid cyclone separation pipe, the residual crude oil enters the gas-liquid cyclone separation pipe to generate cyclone action, liquid phase in the gas-liquid cyclone separation pipe forms an inverted conical vortex surface under the centrifugal force, gravity and buoyancy, the liquid phase with high density flows into the pipe cyclone separator along the pipe wall of the gas-liquid cyclone separation pipe, and the gas phase with low density rises to the top of the first connecting pipe along the center of vortex to enter the pipe cyclone separator, and thus the preliminary separation of two phases is realized; the first connecting pipe is connected with the tubular cyclone separator in the tangential direction of the tubular cyclone separator, after the gas phase and the liquid phase which are primarily separated enter the tubular cyclone separator, the gas-liquid two-phase mixture realizes the high-efficiency separation of the gas phase and the liquid phase by virtue of the centrifugal force generated by the rotation of the cyclone and the gravity of the gas-liquid self, the liquid flows into the mass flowmeter of the straight pipe along the wall of the straight pipe to the bottom end, and the gas flows into the center of the vortex to form a reverse conical vortex surface, and is separated from the top and enters the second connecting pipe, so that the gas-liquid separation of oil well products is realized; the second connecting pipe is connected with the gas-liquid secondary separation pipe in the tangential direction of the gas-liquid secondary separation pipe, gas entering the gas-liquid secondary separation pipe is subjected to secondary separation in the gas-liquid secondary separation pipe again by virtue of centrifugal force generated by rotational flow, liquid phase condensation long liquid contained in the gas flows back from the lower side of the gas-liquid secondary separation pipe as in a pipe type rotational flow separator, and the residual gas enters a precession vortex gas flowmeter through a second ball valve; impurities at the bottom of the gas-liquid cyclone separation pipe and impurities at the bottom of the tubular cyclone separator are precipitated and then enter the sewage collecting pipe and are discharged through a sewage outlet pipeline;
when the device works normally, the first ball valve, the second ball valve and the third ball valve are opened, the fourth ball valve is closed, after the instantaneous flow, the accumulated flow and other parameters of crude oil are detected through the pressure transmitter, the crude oil enters a gas-liquid pre-separation inlet pipeline to enter preliminary separation, and is separated into liquid and gas by the tubular cyclone separator, wherein the gas enters a gas-liquid secondary separation pipe to carry out secondary separation, the separated gas is accurately metered through a precession vortex gas flowmeter, the liquid separated in the tubular cyclone separator is subjected to flow and water content detection analysis through a straight pipe mass flowmeter and a crude oil water analyzer, and finally the separated gas is mixed with the liquid and is discharged through an outlet pipeline;
when sewage is discharged, the fourth ball valve is opened, the first ball valve, the second ball valve and the third ball valve are closed, and impurities in the sewage collecting pipe are discharged through a sewage outlet pipeline;
the invention adopts a skid-mounted structure, has the advantages of simple structure, convenient operation, high reliability, small caliber requirement, attractive appearance and the like, can be suitable for complex working conditions of high water content, more gas or less gas, intermittent liquid supply, different physical properties of crude oil, severe yield change and the like in an oil field, can maintain repeatable and verifiable high-precision measurement of the water content and the oil yield under different working conditions, solves the problems that the existing oil measuring technology can only be suitable for partial oil wells, the measurement of the water content and the oil yield of the crude oil is uncertain, and provides a reliable means for informatization construction and intensive management of the oil field.
Further limited, the inlet double-inclined-tube preseparation tube comprises a gas circuit tube and a gas-liquid tube, wherein the gas circuit tube and the gas-liquid tube are parallel, and the gas circuit tube and the gas-liquid tube are connected with the gas-liquid cyclone separation tube. With the structure, crude oil is pre-separated, and efficiency is improved.
Further limited, the gas path pipe and the gas-liquid pipe are both inclined from top to bottom towards the gas-liquid cyclone separation pipe through the gas-liquid pre-separation inlet pipe. With such a structure, the liquid and the gas can be separated better.
Further defined, the second connecting pipe is inclined from the tubular cyclone separator to the gas-liquid secondary separation pipe from top to bottom. Such a configuration facilitates better separation of the liquid from the gas.
Further defined, the fourth connection pipe is connected with a first auxiliary support rod. Such a structure stabilizes the device structure.
Further defined, a second auxiliary support rod is connected between the first ball valve and the pressure transmitter. Such a structure stabilizes the device structure.
Further limited, the inlet double-inclined-tube pre-separation tube, the gas-liquid cyclone separation tube, the first connecting tube, the tubular cyclone separator, the second connecting tube and the gas-liquid secondary separation tube are all welded. With the structure, the device is firmly connected.
The invention, in contrast to the prior art, has the following advantages:
1. the skid-mounted structure has the advantages of simple structure, convenient operation, high reliability, small caliber requirement, attractive appearance and the like;
2. the device has no liquid level controller, and the problems of liquid channeling and the like caused by controller failure can not occur;
3. the inlet double-inclined-tube pre-separation tube, the gas-liquid cyclone separation tube, the tubular cyclone separator and the gas-liquid secondary separation tube are adopted for multiple separation, so that the accuracy of detection data is ensured;
4. the sewage outlet pipeline is arranged, so that the pipeline is convenient to clean, and the pipeline is prevented from being blocked;
5. the tubular cyclone separator adopts a columnar cyclone type gas-liquid separation technology, and a high-precision flowmeter is used for respectively and accurately measuring gas phase and liquid phase;
drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of a single well metering device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a single well metering device according to a second embodiment of the present invention;
FIG. 3 is a schematic illustration of the connection of an embodiment of a single well metering device of the present invention;
the main reference numerals are as follows:
the skid base 1, an inlet pipeline 2, a first ball valve 21, a pressure transmitter 22, a gas-liquid pre-separation inlet pipeline 23, an inlet double-inclined-tube pre-separation pipe 24, a gas pipe 241, a gas-liquid pipe 242, a second auxiliary supporting rod 25, a gas-liquid cyclone separation pipe 3, a first connecting pipe 31, a tubular cyclone 4, a second connecting pipe 41, a gas-liquid secondary separation pipe 5, a second ball valve 6, a precession vortex gas flowmeter 61, a third connecting pipe 62, a fourth connecting pipe 63, a first auxiliary supporting rod 631, an outlet pipeline 7, a third ball valve 71, a crude oil water analyzer 8, a straight pipe mass flowmeter 81, a dirt collecting pipe 9, a fourth ball valve 91 and a sewage outlet pipeline 92.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the single well metering device comprises an inlet pipeline 2 and a control cabinet, wherein the control cabinet is fixedly connected with a sled base 1, the inlet pipeline 2 is connected with a first ball valve 21, a pipeline of the first ball valve 21 is connected with a pressure transmitter 22, the pressure transmitter 22 is connected with a gas-liquid pre-separation inlet pipeline 23, the gas-liquid pre-separation inlet pipeline 23 is connected with an inlet double inclined tube pre-separation pipe 24, the inlet double inclined tube pre-separation pipe 24 is connected with a gas-liquid cyclone separation pipe 3, the inlet double inclined tube pre-separation pipe 24 is connected with the gas-liquid cyclone separation pipe 3 in the tangential direction of the gas-liquid cyclone separation pipe 3, the lower side of the gas-liquid cyclone separation pipe 3 is connected with a dirt collecting pipe 9, the dirt collecting pipe 9 is connected with a tubular cyclone separator 4, the tubular cyclone separator 4 is fixedly connected with the sled base 1, a first connecting pipe 31 is connected between the upper side of the gas-liquid cyclone separation pipe 3 and the upper side of the tubular cyclone separator 4, the first connecting pipe 31 is connected with the tubular cyclone 4 from the tangential direction of the tubular cyclone 4, the upper side of the tubular cyclone 4 is connected with a second connecting pipe 41, the second connecting pipe 41 is connected with a gas-liquid secondary separation pipe 5, the second connecting pipe 41 is connected with the gas-liquid secondary separation pipe 5 from the tangential direction of the gas-liquid secondary separation pipe 5, the lower side of the gas-liquid secondary separation pipe 5 is connected with a pipe of the tubular cyclone 4, the pipe on the upper side of the gas-liquid secondary separation pipe 5 is connected with a second ball valve 6, the pipe of the second ball valve 6 is connected with a precession vortex gas flowmeter 61, the precession vortex gas flowmeter 61 is connected with a third connecting pipe 62, the third connecting pipe 62 is connected with a fourth connecting pipe 63, one end of the fourth connecting pipe 63 is connected with a third ball valve 71, the third ball valve 71 is connected with an outlet pipe 7, the other end of the fourth connecting pipe 63 is connected with a crude oil water-containing analyzer 8, the crude oil water-containing analyzer 8 pipe connection has straight tube mass flowmeter 81, and straight tube mass flowmeter 81 is connected with tubular cyclone 4 downside, and dirt collecting pipe 9 is connected with fourth ball valve 91, and fourth ball valve 91 is connected with blowdown outlet pipeline 92, and gas-liquid cyclone 3, tubular cyclone 4 and gas-liquid secondary separation pipe 5 are all perpendicular with the horizontal plane, and the switch board signal input part is with pressure transmitter 22, precession vortex gas flowmeter 61, crude oil water-containing analyzer 8 and straight tube mass flowmeter 81 signal connection.
By adopting the technical scheme of the invention, the skid-mounted structure has the advantages of simple structure, convenient operation, high reliability, small caliber requirement, attractive appearance and the like; by means of the characteristics and kinetic energy of the produced liquid of the oil well, the whole device is designed by adopting a non-pressure container, the operation is convenient, crude oil is separated for a plurality of times through the separation device, and is metered through the precession vortex gas flowmeter 61, the straight pipe mass flowmeter 81 and the crude oil water-containing analyzer 8 respectively, and signals are transmitted to the control cabinet for summarizing and analysis, wherein the precession vortex gas flowmeter 61 detects the gas content of the crude oil, the crude oil water-containing analyzer 8 detects the water content of the crude oil, the straight pipe mass flowmeter 81 can detect the flow of the crude oil, the pressure loss is small, the crude oil is not easy to block, and the cleaning is convenient; the instantaneous flow, the accumulated flow and other parameters detected by the pressure transmitter 22 arranged at the inlet are converted into signals and summarized into a control cabinet; the gas-liquid pre-separation inlet pipeline 23 and the inlet double-inclined-tube pre-separation pipe 24 are used for automatic pre-separation, separated gas phase floats upwards and enters the gas-liquid cyclone separation pipe 3 from a pipeline at the upper side of the inlet double-inclined-tube pre-separation pipe 24, residual crude oil enters the gas-liquid cyclone separation pipe 3 from a pipeline at the lower side of the inlet double-inclined-tube pre-separation pipe 24, the inlet double-inclined-tube pre-separation pipe 24 is connected with the gas-liquid cyclone separation pipe 3 from the tangential direction of the gas-liquid cyclone separation pipe 3, the residual crude oil enters the gas-liquid cyclone separation pipe 3 to generate a cyclone effect, liquid phase in the gas-liquid cyclone separation pipe 3 forms an inverted cone-shaped vortex surface under the centrifugal force, gravity and buoyancy effects, the high-density liquid phase flows into the tubular cyclone separator 4 along the pipe wall of the gas-liquid cyclone separation pipe 3, the low-density gas phase rises to the top of the first connecting pipe 31 along the center of the vortex and enters the tubular cyclone separator 4, and the primary separation of two phases is realized; because the first connecting pipe 31 is connected with the tubular cyclone 4 from the tangential direction of the tubular cyclone 4, after the gas phase and the liquid phase which are primarily separated enter the tubular cyclone 4, the gas-liquid two-phase mixture realizes the high-efficiency separation of the gas-liquid two phases by the centrifugal force generated by the rotational flow of the cyclone and the gravity of the gas-liquid self, the liquid flows into the straight pipe mass flowmeter 81 along the wall of the straight pipe to the bottom end, the gas flows into the center of the vortex to form a vortex surface with a reverse cone shape, and the gas is separated from the top and enters the second connecting pipe 41, thereby realizing the gas-liquid separation of the oil well output; the second connecting pipe 41 is connected with the gas-liquid secondary separation pipe 5 in the tangential direction of the gas-liquid secondary separation pipe 5, the gas entering the gas-liquid secondary separation pipe 5 is secondarily separated in the gas-liquid secondary separation pipe 5 again by virtue of centrifugal force generated by rotational flow, liquid phase condensation long liquid contained in the gas flows back from the lower side of the gas-liquid secondary separation pipe 5 as in the tubular cyclone separator 4, and the residual gas enters the vortex gas flowmeter 61 through the second ball valve 6; impurities at the bottom of the gas-liquid cyclone separation pipe 3 and impurities at the bottom of the tubular cyclone separator 4 are precipitated and then enter the sewage collecting pipe 9, and are discharged through a sewage outlet pipeline 92;
working principle:
when the cyclone separator works normally, the first ball valve 21, the second ball valve 6 and the third ball valve 71 are opened, the fourth ball valve 91 is closed, after the instantaneous flow, the accumulated flow and other parameters of crude oil are detected by the pressure transmitter 22, the crude oil enters the gas-liquid pre-separation inlet pipeline 23 to enter the preliminary separation, and then the gas enters the gas-liquid secondary separation pipe 5 to be separated into liquid and gas, wherein the separated gas is precisely metered by the precession vortex gas flowmeter 61 after the gas enters the gas-liquid secondary separation pipe 5 to be separated again, and the liquid separated in the pipe cyclone separator 4 is subjected to flow and water content detection analysis by the straight pipe mass flowmeter 81 and the crude oil water analyzer 8, and finally the separated gas is mixed with the liquid and discharged by the outlet pipeline 7; when the sewage is discharged, the fourth ball valve 91 is opened, the first ball valve 21, the second ball valve 6 and the third ball valve 71 are closed, and impurities in the sewage collecting pipe 9 are discharged from the sewage outlet pipeline 92;
preferably, the inlet double-inclined-tube preseparation tube 24 comprises a gas tube 241 and a gas-liquid tube 242, the gas tube 241 and the gas-liquid tube 242 are parallel, and the gas tube 241 and the gas-liquid tube 242 are connected with the gas-liquid cyclone separation tube 3. With the structure, crude oil is pre-separated, and efficiency is improved. Indeed, other configurations of the inlet double-inclined tube preseparation tube 24 are contemplated as appropriate.
Preferably, the gas path pipe 241 and the gas-liquid pipe 242 are both inclined from top to bottom from the gas-liquid pre-separation inlet pipeline 23 to the gas-liquid cyclone separation pipe 3. With such a structure, the liquid and the gas can be separated better. Indeed, other shapes and configurations may be used as the case may be to provide better separation of the liquid from the gas.
Preferably, the second connecting pipe 41 is inclined from the tubular cyclone 4 to the gas-liquid secondary separation pipe 5 from top to bottom. Such a configuration facilitates better separation of the liquid from the gas. Indeed, other shapes and configurations may be used as the case may be to provide better separation of the liquid from the gas.
The fourth connection pipe 63 is preferably connected to a first auxiliary support rod 631. Such a structure stabilizes the device structure. In fact, other shapes and structures may be used as the case may be to stabilize the device structure.
A second auxiliary support rod 25 is preferably connected between the first ball valve 21 and the pressure transmitter 22. Such a structure stabilizes the device structure. In fact, other shapes and structures may be used as the case may be to stabilize the device structure.
Preferably, the inlet double-inclined-tube pre-separation tube 24, the gas-liquid cyclone separation tube 3, the first connecting tube 31, the tubular cyclone separator 4, the second connecting tube 41, the gas-liquid secondary separation tube 5 and the dirt collecting tube 9 are all welded. With the structure, the device is firmly connected. In practice, other connection schemes may be considered as appropriate.
The invention adopts a skid-mounted structure, has the advantages of simple structure, convenient operation, high reliability, small caliber requirement, attractive appearance and the like, can be suitable for complex working conditions of high water content, more gas or less gas, intermittent liquid supply, different physical properties of crude oil, severe yield change and the like in an oil field, can maintain repeatable and verifiable high-precision measurement of the water content and the oil yield under different working conditions, solves the problems that the existing oil measuring technology can only be suitable for partial oil wells, the measurement of the water content and the oil yield of the crude oil is uncertain, and provides a reliable means for informatization construction and intensive management of the oil field.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.
Claims (7)
1. Single well metering device, including import pipeline (2) and switch board, its characterized in that: the utility model discloses a cyclone separator, including control cabinet, cyclone separator, first ball valve (21), pressure transmitter (22) are connected with gas-liquid pre-separation inlet line (23), gas-liquid pre-separation inlet line (23) are connected with inlet double inclined tube pre-separation pipe (24), inlet double inclined tube pre-separation pipe (24) are connected with gas-liquid cyclone separator tube (3) by the tangential direction of gas-liquid cyclone separator tube (3), gas-liquid cyclone separator tube (3) downside is connected with dirt collecting tube (9), dirt collecting tube (9) are connected with tubular cyclone separator (4), tubular cyclone separator (4) and cyclone separator (1) are fixedly connected, be connected with first connecting tube (31) between gas-liquid pre-separation tube (3) upside and tubular cyclone separator (4) upside, second connecting tube (41) are connected with cyclone separator tube (4) by tangential direction, second connecting tube (41), the utility model provides a cyclone separator, including first connecting pipe (41), second connecting pipe (41), third connecting pipe (62) are connected with gas-liquid secondary separation pipe (5) by the tangential direction of gas-liquid secondary separation pipe (5), gas-liquid secondary separation pipe (5) downside and tubular cyclone separator (4) pipe connection, gas-liquid secondary separation pipe (5) upside pipe connection has second ball valve (6), second ball valve (6) pipe connection has precession vortex gas flowmeter (61), precession vortex gas flowmeter (61) are connected with third connecting pipe (62), third connecting pipe (62) are connected with fourth connecting pipe (63), fourth connecting pipe (63) one end is connected with third ball valve (71), third ball valve (71) are connected with outlet line (7), the fourth connecting pipe (63) other end is connected with crude oil water-containing analyzer (8), crude oil water-containing analyzer (8) pipe connection has straight tube mass flowmeter (81), second ball valve (81) and tubular cyclone separator (4) downside are connected, dirt collecting pipe (9) are connected with fourth ball valve (91), fourth connecting pipe (63) one end is connected with fourth ball valve (92), fourth connecting pipe (92) is connected with cyclone separator (4) pressure phase separation signal input to the horizontal plane, cyclone separator (4) is connected with horizontal plane phase, cyclone separator (4) signal phase, and the signal phase is perpendicular to the horizontal plane The precession vortex gas flowmeter (61), the crude oil water-containing analyzer (8) and the straight tube mass flowmeter (81) are in signal connection.
2. A single well metering device as claimed in claim 1, wherein: the inlet double-inclined-tube preseparation tube (24) comprises a gas tube (241) and a gas-liquid tube (242), the gas tube (241) and the gas-liquid tube (242) are parallel, and the gas tube (241) and the gas-liquid tube (242) are connected with the gas-liquid cyclone separation tube (3).
3. A single well metering device as claimed in claim 2, wherein: the gas path pipe (241) and the gas-liquid pipe (242) are both inclined from top to bottom from the gas-liquid pre-separation inlet pipeline (23) to the gas-liquid cyclone separation pipe (3).
4. A single well metering device as claimed in claim 3, wherein: the second connecting pipe (41) is inclined from the tubular cyclone separator (4) to the gas-liquid secondary separation pipe (5) from top to bottom.
5. A single well metering device as claimed in claim 4, wherein: the fourth connecting pipe (63) is connected with a first auxiliary supporting rod (631).
6. A single well metering device as claimed in claim 5, wherein: a second auxiliary supporting rod (25) is connected between the first ball valve (21) and the pressure transmitter (22).
7. A single well metering device as claimed in claim 6, wherein: the inlet double-inclined-tube pre-separation tube (24), the gas-liquid cyclone separation tube (3), the first connecting tube (31), the tubular cyclone separator (4), the second connecting tube (41), the gas-liquid secondary separation tube (5) and the dirt collecting tube (9) are all welded.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910317444.0A CN109882154B (en) | 2019-04-19 | 2019-04-19 | Single well metering device |
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| CN201910317444.0A CN109882154B (en) | 2019-04-19 | 2019-04-19 | Single well metering device |
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| CN109882154A CN109882154A (en) | 2019-06-14 |
| CN109882154B true CN109882154B (en) | 2023-11-14 |
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