CN111608642A - GLCC-based multi-tube bundle separation metering monitoring device - Google Patents
GLCC-based multi-tube bundle separation metering monitoring device Download PDFInfo
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- CN111608642A CN111608642A CN202010477549.5A CN202010477549A CN111608642A CN 111608642 A CN111608642 A CN 111608642A CN 202010477549 A CN202010477549 A CN 202010477549A CN 111608642 A CN111608642 A CN 111608642A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
Abstract
The invention relates to the technical field of oil field single well metering, in particular to a GLCC-based multi-tube bundle separation metering monitoring device which comprises a two-stage separator, a mass flow meter, an intelligent precession flow meter and a metering data acquisition box, wherein a liquid outlet pipeline is fixedly communicated with an outlet at the lower part of the two-stage separator, a gas phase communicating pipe is fixedly communicated with an outlet at the upper part of the two-stage separator, a liquid phase separation barrel is arranged at the left side of the two-stage separator, more than one gas phase tube bundle is fixedly communicated between a gas phase separation bent pipe and a gas phase collecting pipe, and a first liquid phase balance pipe and a second liquid phase balance pipe are fixedly communicated between the liquid phase communicating pipe and the gas phase. The invention has reasonable and compact structure, convenient use, small volume and good separation effect, can realize three-phase measurement of a single well, is particularly suitable for single well yield measurement with high gas content, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Description
Technical Field
The invention relates to the technical field of oil field single well metering, in particular to a GLCC-based multi-tube bundle separation metering monitoring device.
Background
The single well gas and liquid metering modes of domestic oil fields are various, and the single well gas and liquid metering modes can be mainly divided into two types according to the metering modes: one is a two-phase miscible metering and the other is a two-phase separate metering, which is higher in terms of accuracy. For the accuracy of two-phase separation metering, under the condition that the metering instrument technology is mature, the metering accuracy mainly depends on the gas-liquid separation effect, and the more thorough the gas-liquid separation, the higher the gas-liquid metering accuracy. The most common way of metering at present is to meter the oil using a metering separator.
The oil metering of the metering separator usually adopts a horizontal or vertical two-phase separator to carry out oil well yield metering, and because the weight and the volume of the vertical separator are very large, the diameter and the height of the separator used in a common metering station are both more than 0.8m and more than 2.4m, the metering separator is not convenient to transport and install on site, and wellhead metering is not easy to realize. The GLCC (Gas-Liquid Cyclone-Cylindrical Gas-Liquid Cyclone separator) is a vertical installation pipe without any moving parts and internal devices, can realize full separation of two phases and can realize accurate Gas-Liquid metering.
If the GLCC-cyclone separator is used alone to match with a flowmeter to carry out oil well metering, the defects of large volume and heavy weight of the metering separator are overcome. However, because of the limitation of the characteristics of the GLCC-cyclone separator, the diameter is small, and the liquid level control is difficult, the GLCC-cyclone separator has high requirements on the viscosity of crude oil, and has the problems of incomplete separation and poor metering precision.
Disclosure of Invention
The invention provides a GLCC-based multi-tube bundle separation metering monitoring device, overcomes the defects of the prior art, and can effectively solve the problems of incomplete separation and poor metering precision of the conventional GLCC-cyclone separator.
The technical scheme of the invention is realized by the following measures: a multi-tube bundle separation metering monitoring device based on GLCC comprises a two-stage separator, a mass flow meter, an intelligent precession flow meter and a metering data acquisition box, wherein a liquid outlet pipeline is fixedly communicated with an outlet at the lower part of the two-stage separator, an outlet of the liquid outlet pipeline is fixedly communicated with an inlet of the mass flow meter, a collecting pipe is fixedly communicated with an outlet of the mass flow meter, a gas-phase communicating pipe is fixedly communicated with an outlet at the upper part of the two-stage separator, an outlet of the gas-phase communicating pipe is fixedly communicated with an inlet of the intelligent precession flow meter, an outlet of the intelligent precession flow meter is fixedly communicated with an outlet of the gas outlet pipeline, an inlet at the upper part of the collecting pipe is communicated with an outlet of the gas outlet pipeline, a first signal input end of the metering data acquisition box is electrically connected with, the inlet at the upper part of the liquid phase separation barrel is fixedly communicated with a liquid inlet swirl tube, the top of the liquid phase separation barrel is fixedly communicated with a gas phase separation bent tube, the right side of the upper part of the liquid phase separation barrel is provided with a gas outlet, the gas outlet is fixedly communicated with a gas phase collecting tube, more than one gas phase tube bundle is fixedly communicated between the gas phase separation bent tube and the gas phase collecting tube, the right side of the bottom of the liquid phase separation barrel is provided with a liquid outlet, the liquid outlet is fixedly communicated with a liquid phase communicating tube, and a first liquid phase balance tube and a second liquid phase balance tube are sequentially and fixedly communicated.
The following is further optimization or/and improvement of the technical scheme of the invention:
and a gas phase communicating pipe is fixedly communicated between the outlet of the elbow of the gas phase separation elbow and the inlet of the intelligent precession flowmeter.
And a liquid outlet pipeline is fixedly communicated between the liquid outlet at the lower part of the second liquid phase balance pipe and the mass flowmeter.
The liquid phase separation device also comprises a heat preservation box, wherein the heat preservation box is annularly wrapped on the outer side of the lower part of the liquid phase separation cylinder.
And a drain outlet at the lower part of the liquid phase separation cylinder is fixedly communicated with a drain pipe.
The invention has reasonable and compact structure, convenient use, small volume and good separation effect, can realize three-phase measurement of a single well, is particularly suitable for single well yield measurement with high gas content, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Drawings
FIG. 1 is a schematic process flow diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is the two-stage separator, 2 is mass flow meter, 3 is intelligent precession flowmeter, 4 is measurement data collection box, 5 is the insulation can, 6 is the liquid phase knockout drum, 7 is the feed liquor whirl pipe, 8 is the blow off pipe, 9 is liquid phase communicating pipe, 10 is out the liquid pipeline, 11 is the collecting pipe, 12 is the gas phase separation return bend, 13 is the gaseous phase tube bank, 14 is the gaseous phase collecting pipe, 15 is first liquid phase balance pipe, 16 is second liquid phase balance pipe, 17 is gaseous phase communicating pipe, 18 is the pipeline of giving vent to anger.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in the attached figure 1, the GLCC-based multi-tube bundle separation metering monitoring device comprises a two-stage separator 1, a mass flow meter 2, an intelligent precession flow meter 3 and a metering data collection box 4, wherein a liquid outlet pipeline 10 is fixedly communicated with an outlet at the lower part of the two-stage separator 1, an outlet of the liquid outlet pipeline 10 is fixedly communicated with an inlet of the mass flow meter 2, a collecting pipe 11 is fixedly communicated with an outlet of the mass flow meter 2, a gas phase communicating pipe 12 is fixedly communicated with an outlet at the upper part of the two-stage separator 1, an outlet of the gas phase communicating pipe 12 is fixedly communicated with an inlet of the intelligent precession flow meter 3, an outlet of the intelligent precession flow meter 3 is fixedly communicated with an outlet pipeline 18, an inlet at the upper part of the collecting pipe 11 is communicated with an outlet of the outlet pipeline 18, a first signal input end of the metering data collection box 4, a liquid phase separation barrel 6 is arranged on the left side of a two-stage separator 1, a liquid inlet swirl tube 7 is fixedly communicated with an inlet on the upper portion of the liquid phase separation barrel 6, a gas phase separation bent tube 12 is fixedly communicated with the top of the liquid phase separation barrel 6, a gas outlet is arranged on the right side of the upper portion of the liquid phase separation barrel 6, a gas phase collecting tube 14 is fixedly communicated with the gas outlet, more than one gas phase tube bundle 13 is fixedly communicated between the gas phase separation bent tube 12 and the gas phase collecting tube 14, a liquid outlet is arranged on the right side of the bottom of the liquid phase separation barrel 6, a liquid phase communicating tube 9 is fixedly communicated with the liquid outlet, and a first liquid phase balance tube 15 and a second liquid phase balance.
In the invention, the metering data acquisition box 4 is provided with a wireless data transmission module, and can upload SCADA (supervisory control and data acquisition) through a wired RS485(Modbus RTU), an Ethernet (Modbus TCP) or a wireless Zigbee lora network, so that the remote monitoring of the metering data is realized, the mass flow meter 2 can detect the water content of the liquid, the online water content measurement is realized, and the real-time online metering of oil, water and gas is met. The device can adopt a skid-mounted design to install the skid seat, and is convenient for skid mounting and field installation.
In the prior art, the GLCC-cyclone separator has high requirements on the viscosity of crude oil, and has the problems of incomplete separation and poor metering precision due to the limitation of the characteristics of the GLCC-cyclone separator, small diameter and difficult liquid level control; according to the invention, the gas-phase tube bundle 13 is added in the two-stage separator and then is combined with GLCC for use, the separated gas and liquid meet the requirement of high-precision instrument metering, the gas and liquid can be accurately metered, the gas and liquid separation efficiency of GLCC is further improved, and the problem of single-well metering in the current oil field development process is solved.
The GLCC-based multi-tube bundle separation metering monitoring device can be further optimized or/and improved according to actual needs:
a gas phase communicating pipe 17 is fixedly communicated between the outlet of the elbow of the gas phase separation elbow pipe 12 and the inlet of the intelligent precession flowmeter 3.
A liquid outlet pipeline 10 is fixedly communicated between a liquid outlet at the lower part of the second liquid phase balance pipe 16 and the mass flowmeter 2.
The device also comprises a heat preservation box 5, and the heat preservation box 5 is annularly wrapped on the outer side of the lower part of the liquid phase separation cylinder 6.
A drain outlet at the lower part of the liquid phase separation cylinder 6 is fixedly communicated with a drain pipe 8.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
The use process of the best embodiment of the invention is as follows: the oil well gas-liquid mixture enters the GLCC-based multi-tube-bundle separation metering monitoring device from the oil extraction wellhead to be subjected to two-stage separation. Firstly, an oil well gas-liquid mixture tangentially enters a liquid phase separation barrel 6 along a liquid inlet cyclone tube 7 to form a swirling motion and generate centrifugal force, gas-liquid separation is carried out under the action of gravity and centrifugal force, liquid with high density flows to the bottom of the liquid phase separation barrel 6 along the barrel wall of the liquid phase separation barrel 6 to be collected, the liquid enters a first liquid phase balance tube 15 and a second liquid phase balance tube 16 through a liquid phase communicating tube 9, then enters a mass flowmeter 2 through a liquid outlet pipeline 10 to be measured, and separated gas is discharged from the top of the liquid phase separation barrel 6, so that first-stage gas-liquid two-phase primary separation based on GLCC is realized; then, the gas and liquid primarily separated in the first stage are discharged from the top of the liquid phase separation cylinder 6 and enter a gas phase collecting pipe 14, the gas and liquid are separated by more than one gas phase pipe bundle 13, meanwhile, the gas and liquid move tangentially along the gas phase separation elbow 12, the gas and liquid are separated again under the action of gravity and centrifugal force, a small amount of separated liquid flows downwards along the gas phase separation elbow 12 to a liquid phase communicating pipe 9 under the action of gravity, the separated gas enters a gas phase communicating pipe 17 along the gas phase separation elbow 12, the separated gas is metered by the intelligent precession flowmeter 3 through the gas phase communicating pipe 17, and the metered liquid and gas are converged and output at the collecting pipe 11 to complete the second-stage gas-liquid two-phase deep separation based on the multi-pipe bundle; and finally, respectively measuring data of liquid and gas are transmitted to a measuring data acquisition box 4 through a mass flowmeter 2 and an intelligent precession flowmeter 3, so that the monitoring of oil well measuring data is realized.
Claims (8)
1. A multi-tube bundle separation metering monitoring device based on GLCC is characterized by comprising a two-stage separator, a mass flow meter, an intelligent precession flow meter and a metering data acquisition box, wherein a liquid outlet pipeline is fixedly communicated with an outlet at the lower part of the two-stage separator, an outlet of the liquid outlet pipeline is fixedly communicated with an inlet of the mass flow meter, an outlet of the mass flow meter is fixedly communicated with a collecting pipe, an outlet at the upper part of the two-stage separator is fixedly communicated with a gas-phase communicating pipe, an outlet of the gas-phase communicating pipe is fixedly communicated with an inlet of the intelligent precession flow meter, an outlet of the intelligent precession flow meter is fixedly communicated with an outlet of the gas outlet pipeline, an inlet at the upper part of the collecting pipe is communicated with an outlet of the gas outlet pipeline, a first signal input end of the metering data acquisition box is electrically connected with, the inlet at the upper part of the liquid phase separation barrel is fixedly communicated with a liquid inlet swirl tube, the top of the liquid phase separation barrel is fixedly communicated with a gas phase separation bent tube, the right side of the upper part of the liquid phase separation barrel is provided with a gas outlet, the gas outlet is fixedly communicated with a gas phase collecting tube, more than one gas phase tube bundle is fixedly communicated between the gas phase separation bent tube and the gas phase collecting tube, the right side of the bottom of the liquid phase separation barrel is provided with a liquid outlet, the liquid outlet is fixedly communicated with a liquid phase communicating tube, and a first liquid phase balance tube and a second liquid phase balance tube are sequentially and fixedly communicated.
2. The GLCC-based multi-tube bundle separation metering monitoring device according to claim 1, wherein a gas phase communicating tube is fixedly communicated between the outlet of the elbow of the gas phase separation elbow and the inlet of the intelligent precession flowmeter.
3. The GLCC-based multi-tube bundle separation metering monitoring device as claimed in claim 1 or 2, wherein a liquid outlet pipeline is fixedly communicated between a liquid outlet at the lower part of the second liquid phase balance tube and the mass flow meter.
4. The GLCC-based multi-tube bundle separation metering monitoring device according to claim 1 or 2, further comprising a thermal insulation box, wherein the thermal insulation box is annularly wrapped outside the lower part of the liquid phase separation cylinder.
5. The GLCC-based multi-tube bundle separation metering monitoring device of claim 3, further comprising a thermal insulation box, wherein the thermal insulation box is annularly wrapped outside the lower part of the liquid phase separation cylinder.
6. The GLCC-based multi-tube bundle separation metering monitoring device as claimed in claim 1, 2 or 5, wherein a drain outlet at the lower part of the liquid phase separation cylinder is fixedly communicated with a drain pipe.
7. The GLCC-based multi-tube bundle separation metering monitoring device as recited in claim 3, wherein a drain outlet at the lower part of the liquid phase separation cylinder is fixedly communicated with a sewage drain pipe.
8. The GLCC-based multi-tube bundle separation metering monitoring device as recited in claim 4 wherein a drain outlet at the lower portion of the liquid phase separation barrel is fixedly connected with a drain pipe.
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| CN202010477549.5A CN111608642B (en) | 2020-05-29 | 2020-05-29 | GLCC-based multi-tube bundle separation metering monitoring device |
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| CN202010477549.5A CN111608642B (en) | 2020-05-29 | 2020-05-29 | GLCC-based multi-tube bundle separation metering monitoring device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617031A (en) * | 1985-02-26 | 1986-10-14 | Chevron Research Company | Hybrid double hydrocyclone-gravity gas/liquid separator |
| CN101865360A (en) * | 2010-07-16 | 2010-10-20 | 中国石油集团工程设计有限责任公司 | New type high-efficient whirl slug flow catcher |
| CN202250022U (en) * | 2011-10-21 | 2012-05-30 | 西安格仕机电技术有限责任公司 | Oil-gas separated metering system |
| CN104989371A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Online water content analyzing device for oil well mouth |
| CN109141562A (en) * | 2018-09-30 | 2019-01-04 | 长江大学 | Based on the natural gas moisture measuring device and method for being mutually separated in pipe with mutually separating |
| CN212296331U (en) * | 2020-05-29 | 2021-01-05 | 中国石油天然气集团公司 | GLCC-based efficient multi-tube bundle separation metering device |
-
2020
- 2020-05-29 CN CN202010477549.5A patent/CN111608642B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617031A (en) * | 1985-02-26 | 1986-10-14 | Chevron Research Company | Hybrid double hydrocyclone-gravity gas/liquid separator |
| CN101865360A (en) * | 2010-07-16 | 2010-10-20 | 中国石油集团工程设计有限责任公司 | New type high-efficient whirl slug flow catcher |
| CN202250022U (en) * | 2011-10-21 | 2012-05-30 | 西安格仕机电技术有限责任公司 | Oil-gas separated metering system |
| CN104989371A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Online water content analyzing device for oil well mouth |
| CN109141562A (en) * | 2018-09-30 | 2019-01-04 | 长江大学 | Based on the natural gas moisture measuring device and method for being mutually separated in pipe with mutually separating |
| CN212296331U (en) * | 2020-05-29 | 2021-01-05 | 中国石油天然气集团公司 | GLCC-based efficient multi-tube bundle separation metering device |
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