CN111058827B - Underground channeling simulation monitoring system - Google Patents
Underground channeling simulation monitoring system Download PDFInfo
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- CN111058827B CN111058827B CN201911045455.4A CN201911045455A CN111058827B CN 111058827 B CN111058827 B CN 111058827B CN 201911045455 A CN201911045455 A CN 201911045455A CN 111058827 B CN111058827 B CN 111058827B
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- 238000004088 simulation Methods 0.000 title claims abstract description 68
- 238000012544 monitoring process Methods 0.000 title claims abstract description 53
- 230000005465 channeling Effects 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000004568 cement Substances 0.000 claims abstract description 59
- 239000013307 optical fiber Substances 0.000 claims abstract description 49
- 230000033228 biological regulation Effects 0.000 claims abstract description 37
- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012806 monitoring device Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The underground channeling simulation monitoring system comprises a regulation short circuit and optical fiber vibration monitoring equipment, wherein regulation short circuit optical fibers of the optical fiber vibration monitoring equipment are arranged along the length direction of the regulation short circuit; the regulation and control short circuit comprises a sleeve and a simulated cement ring, wherein the simulated cement ring is arranged on the outer wall of the sleeve, a pipeline runner assembly is arranged in the simulated cement ring, and the regulation and control short circuit optical fiber is arranged on the outer side or the inner side of the wall of the sleeve; the pipeline runner assembly comprises a plurality of pipelines connected in different forms, a plurality of ball valves are arranged on the pipelines, a water inlet pipe and a water outlet pipe are arranged on the pipeline runner assembly, and the water inlet pipe and the water outlet pipe are connected with a flow regulating pump set to form a circulating waterway. The distributed optical fiber sensing technology is adopted, the multimode optical fiber is attached to the outer wall of the oil pipe to collect and monitor various vibration signals in real time, and the various vibration signals collected by the distributed optical fiber are used for monitoring and positioning the liquid channeling vibration in the simulated cement ring in real time.
Description
Technical Field
The invention relates to the field of underground crossflow monitoring, in particular to an underground crossflow simulation monitoring system.
Background
After well cementation, well completion and perforation, the current oil field is continuously exploited and the geological structure is changed along with the underground oil layer, and is influenced by the earlier stage of well cementation quality and the earth-liquid environment, the outside corrosion of the oil layer casing, the sand discharge in the stratum, the stratum stress influence, the geological structure change, the later well running operation, acidification, fracturing and other reasons, the fracture and the gap are generated at the solid sealing position between the stratum and the casing, and the oil layer or the oil layer and the non-oil layer are communicated with each other along with the extension of the fracture and the enlargement of the pore, so that channeling is generated. This situation is extremely detrimental to the development of the oil field, especially for oil recovery wells and auxiliary drive wells, if there are more than two production layers or production layers channeling between the production layers and non-production layers, if there is injection water or groundwater channeling, the water ratio in the liquid production will increase, resulting in waste of energy and human power streams such as injection water, electricity, etc. If the oil is channeling, the exploitation can not be carried out irregularly according to the plan, the oil is not discharged or water is discharged, the exploited oil layer is disturbed, various problems are caused, and the resource waste and serious economic loss are caused.
At present, the detection means for the external cross flow of the pipe at home generally comprise conventional technologies such as a sound wave density discrimination well logging method, an isotope method, a boron neutron method, a well temperature method, a sector cement bond well logging method and the like. These methods have drawbacks, and the accuracy of the well temperature method is relatively low, so that the leak position cannot be accurately positioned. The isotope method can pollute the underground environment after testing, thereby bringing great influence on interpretation conclusion; the construction process of boron neutron well logging is complex, the danger coefficient is large, and the price is high; the acoustic density-resolved logging has no circumferential resolution capability, cannot log the azimuth, and is greatly influenced by the surrounding environmental factors of the test area; the sector cement bond well logging technology is relatively immature, the amplitude division of the sector cement bond well logging technology does not have a reasonable evaluation standard, and the sector cement bond well logging technology can only be used as a reference and cannot be accurately explained. In order to conveniently and rapidly monitor the state of the whole well section in real time, achieve rapid and accurate positioning, the underground crossflow detection needs a novel detection means with high accuracy and no influence of surrounding environment.
Disclosure of Invention
The invention relates to an underground crossflow simulation monitoring system which is particularly applied to a real-time dynamic monitoring technology of stratum crossflow and interlaminar crossflow in the field of dynamic monitoring of logging technology. The device realizes real-time monitoring and positioning of liquid channeling vibration in the cement ring by using a distributed optical fiber sensing well-logging technology through a model for simulating cracks and gaps in the cement ring of the underground well cementation.
The underground channeling simulation monitoring system comprises a regulation short circuit and optical fiber vibration monitoring equipment, wherein regulation short circuit optical fibers of the optical fiber vibration monitoring equipment are arranged along the length direction of the regulation short circuit;
the regulation and control short circuit comprises a sleeve and a simulated cement ring, wherein the simulated cement ring is arranged on the outer wall of the sleeve, a pipeline runner assembly is arranged in the simulated cement ring, and the regulation and control short circuit optical fiber is arranged on the outer side or the inner side of the wall of the sleeve;
the pipeline runner assembly comprises a plurality of pipelines connected in different forms, a plurality of ball valves are arranged on the pipelines, a water inlet pipe and a water outlet pipe are arranged on the pipeline runner assembly, and the water inlet pipe and the water outlet pipe are connected with a flow regulating pump set to form a circulating waterway.
Furthermore, the regulating short joint further comprises a simulated oil pipe, the simulated oil pipe is sleeved in the sleeve, flanges for enabling the simulated oil pipe to be coaxial with the sleeve are arranged at two ends of the simulated oil pipe, and an annular space is formed between the outer wall of the simulated oil pipe and the inner wall of the sleeve;
the water inlet pipe and the water outlet pipe are arranged on the pipeline or/and the flange, and two ends of the pipeline runner assembly are communicated with the annular space through 90-degree bent pipes.
Further, a sealing head for simulating the communication or closing of the oil pipe and the annular space is arranged on the flange.
Further, the pipeline comprises analog pipes of different materials which are connected singly or in combination.
Further, the material of the simulation pipe is a corrugated pipe, a high-pressure hose, a PVC pipe, a reducer pipe and a damping pipe.
Further, the connection form of the pipelines comprises reducing installation, bending and roundabout among the pipelines.
Further, the flange is an adapter flange;
the cross flow simulation monitoring system further comprises a basic short circuit connected to two ends of the regulating short circuit, the basic short circuit comprises a basic short circuit simulation oil pipe, a basic short circuit sleeve and a basic short circuit simulation cement ring, the basic short circuit simulation oil pipe is sleeved in the basic short circuit sleeve, one end of the basic short circuit simulation oil pipe is provided with an end face flange for enabling the basic short circuit simulation oil pipe to be coaxial with the basic short circuit sleeve, the other end of the basic short circuit simulation oil pipe is fixedly connected with the regulating short circuit through an adapter flange, and the adapter flange is provided with a connecting hole for an optical fiber quick connector to pass through;
a basic short-circuit annular space is formed between the outer wall of the basic short-circuit simulation oil pipe and the inner wall of the basic short-circuit sleeve, the outer wall of the basic short-circuit sleeve is provided with a basic short-circuit simulation cement ring, a flow guide pipe is arranged in the basic short-circuit simulation cement ring, one end of the flow guide pipe is connected with a pipeline through a pipeline quick connector, and the other end of the flow guide pipe is communicated with the basic short-circuit annular space through a basic short-circuit 90-degree bent pipe;
the outside or the inboard of basic short circuit sheathed tube pipe wall is provided with basic short circuit optic fibre, the one end of basic short circuit optic fibre is connected with optic fibre vibration monitoring facilities, the other end and the regulation and control short circuit optic fibre of basic short circuit optic fibre pass through optic fibre quick-operation joint and are connected.
Further, the channeling simulation monitoring system comprises two basic short circuits and a plurality of regulation short circuits, wherein the basic short circuits are positioned at two ends of the regulation short circuits.
Furthermore, the regulating short-circuit optical fiber is arranged on the outer wall of the simulated oil pipe.
Further, a plurality of movable brackets and leveling mechanisms are arranged outside the simulated cement sheath.
Further, the cross-sectional area of the simulated cement sheath is 1/6-1/3 of the circular ring shape.
Further, the cross-sectional area of the simulated cement sheath is 1/3 of the circular shape.
Further, the regulating short-circuit optical fiber and the basic short-circuit optical fiber are multimode optical fibers.
Still further, support plates are arranged between the sleeve and the simulated cement sheath and between the basic shorting sleeve and the basic shorting simulated cement sheath.
Further, the simulated oil pipe, the sleeve and the cement sheath are manufactured by selecting corresponding materials and sizes according to API standards.
The underground channeling simulation monitoring system has the following advantages:
1. simulating leakage of cement rings between a downhole casing and a stratum by adopting conventional oil pipes and casings of API standard specifications and materials at the ground surface;
2. the adopted pipelines are arranged by adopting different materials, different inner wall textures and different pipe diameters, and the arrangement mode is combined with various mixing modes such as abrupt change of inner diameter, random bending and the like;
3. a plurality of water inlet pipes and/or water outlet pipes are unevenly arranged in the middle of the pipeline and are used for simulating the bursting moment and branching of underground cracks;
4. the method comprises the steps of detecting fluid vibration change in the whole system, adopting a distributed optical fiber sensing technology, utilizing multimode optical fibers to attach to the outer wall of an oil pipe to collect and monitor various vibration signals in real time, extracting required data and images through various real-time vibration signals (including simulated channeling water flow) collected by the distributed optical fibers, and utilizing optical fiber vibration monitoring equipment to monitor and position liquid channeling vibration in a simulated cement ring in real time;
5. the device can simulate the external channeling conditions when the flow circulation inside the simulated oil pipe and the sleeve is performed, and can independently simulate the channeling conditions of the cement sheath outside the sleeve, so that the simulation scene is more diversified, and more reference values are provided for the monitoring of the actual scene;
6. the distributed optical fiber is adopted for monitoring, so that the efficiency and the accuracy are high, and the monitoring is not influenced by the surrounding environment.
Drawings
FIG. 1 is a schematic perspective view of an embodiment 1 of a downhole fluid channeling simulation monitoring system;
FIG. 2 is a schematic cross-sectional view of an embodiment 1 of a downhole fluid channeling simulation monitoring system;
FIG. 3 is a schematic perspective view of an embodiment 3 of a downhole fluid channeling simulation monitoring system;
FIG. 4 is a schematic cross-sectional view of an embodiment 3 of a downhole fluid channeling simulation monitoring system;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
fig. 6 is an enlarged schematic view of a portion B of fig. 4.
The device comprises a 1-flange, a 2-sleeve, a 3-simulated oil pipe, a 4-simulated cement loop, a 5-supporting plate, a 6-plug, a 7-movable support, an 8-leveling mechanism, a 9-sealing head, a 10-ball valve, an 11-adapting flange, a 12-valve, a 13-basic short-circuit 90-degree bent pipe, a 14-simulated pipe, a 15-pipeline quick connector, a 16-regulating short joint, a 17-flow guiding pipe, a 18-optical fiber quick connector, a 19-regulating short-circuit optical fiber, a 20-sealing ring, a 21-fastening sleeve, a 22-optical fiber vibration monitoring device, a 23-annular space, a 24-flow regulating pump set, a 25-basic short joint, a 26-water inlet pipe, a 27-water outlet pipe, a 28-water inlet valve, a 29-water outlet valve, a 30-pipeline, a 31-circulating waterway, a 32-pipeline runner assembly, a 33-end face flange, a 34-basic short-circuit optical fiber, a 35-connecting hole, a 36-basic short-circuit simulated oil pipe, a 37-basic short-circuit sleeve, a 38-basic short-circuit simulated cement loop and a 39-basic short-circuit annular space.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Example 1:
as shown in fig. 1 and 2, the underground crossflow simulation monitoring system comprises a regulation short circuit and optical fiber vibration monitoring equipment, wherein regulation short circuit optical fibers of the optical fiber vibration monitoring equipment are arranged along the length direction of the regulation short circuit;
the regulation and control short circuit comprises a simulated oil pipe, a sleeve and a simulated cement ring, wherein the simulated oil pipe is sleeved in the sleeve, flanges which are used for enabling the simulated oil pipe to be coaxial with the sleeve are arranged at the two ends of the simulated oil pipe, the sleeve is centered and fixedly connected with the simulated oil pipe through the flanges at the two ends, the connection mode can be realized through a fastening sleeve, the fastening sleeve comprises a bolt and a nut, O-shaped sealing rings are arranged on the flanges, the two ends of the simulated oil pipe and the two ends of the sleeve are sealed, an annular space is formed between the outer wall of the simulated oil pipe and the inner wall of the sleeve, the outer wall of the sleeve is provided with the simulated cement ring, a pipeline runner component is arranged in the simulated cement ring, and the regulation and control short circuit optical fiber is positioned at the outer side or inner side of the wall of the sleeve; in this embodiment, the control shorting fiber is located in the simulated cement ring, and the selected simulated oil pipe and casing are of API standard specification and material.
The pipeline runner assembly comprises a plurality of pipelines connected in different forms, a plurality of ball valves are arranged on the pipelines, 5 ball valves are arranged at intervals in the embodiment, the flow area in the pipelines is controlled through the opening size of the ball valves, the channeling conditions of different flow sizes are simulated, a water inlet pipe and a water outlet pipe are arranged on the pipeline runner assembly, and the water inlet pipe and the water outlet pipe are connected with a flow regulating pump set to form a circulating waterway. The flow regulating pump set comprises a pump (not shown in the figure) and a water tank (not shown in the figure), the pump is electrically connected with a power supply and a control switch, water in the water tank is conveniently pumped into the water inlet pipe, after water circulates in the pipeline, the water is drained to the water tank through the water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively provided with a water outlet valve and a water inlet valve, so that a circulating waterway is conveniently opened or closed.
In this embodiment, as shown in fig. 1, the cross-sectional area of the simulated cement sheath is 1/6 of the circular ring shape, the water flows circularly in the pipeline in the simulated cement sheath, the collected vibration signals are fed back to the optical fiber vibration monitoring device by the regulating short-circuit optical fiber, the optical fiber vibration monitoring device monitors and positions the fluid channeling vibration in the simulated cement sheath in real time, a plurality of movable brackets and leveling mechanisms are further arranged outside the simulated cement sheath, the movable brackets are used for sleeving and installing the simulated oil pipe and the sleeve, when the simulated oil pipe with a longer installation length is installed inside the sleeve, the simulated oil pipe is placed on the movable brackets, the movable brackets can be pushed to push the simulated oil pipe, in another embodiment, the rollers are installed at the bottoms of the movable brackets, the regulating short-circuit is regulated to be in a horizontal state by the leveling mechanisms, the movable brackets and the leveling mechanisms are all 2, and the leveling mechanisms are screw thread adjusting mechanisms, so that the manufacturing is simple, and the adjustment is convenient.
Example 2:
the underground channeling simulation monitoring system comprises a regulation short circuit and optical fiber vibration monitoring equipment, wherein regulation short circuit optical fibers of the optical fiber vibration monitoring equipment are arranged along the length direction of the regulation short circuit;
the regulating and controlling short joint comprises a simulated oil pipe, a sleeve and a simulated cement ring, wherein the simulated oil pipe is sleeved in the sleeve, flanges which are used for enabling the simulated oil pipe to be coaxial with the sleeve are arranged at two ends of the simulated oil pipe, an annular space is formed between the outer wall of the simulated oil pipe and the inner wall of the sleeve, the simulated cement ring is arranged on the outer wall of the sleeve, a pipeline runner component is arranged in the simulated cement ring, and regulating and controlling short joint optical fibers are positioned on the outer side or the inner side of the wall of the sleeve; in this embodiment, regulation and control short circuit optic fibre is located on simulation oil pipe's the outer wall, and is fixed through the ribbon, and in another embodiment is staple bolt fixed.
The pipeline runner assembly comprises a plurality of pipelines connected in different forms, a plurality of ball valves are arranged on the pipelines, the number of the ball valves in the embodiment is 10, a water inlet pipe and a water outlet pipe are arranged on the pipeline runner assembly, and the water inlet pipe and the water outlet pipe are connected with a flow regulating pump set to form a circulating waterway.
The water inlet pipe and the water outlet pipe are arranged on the pipeline or/and the flange, the water inlet pipe and the water outlet pipe on the flange are communicated with the annular space, and two ends of the pipeline runner assembly are communicated with the annular space through 90-degree bent pipes. The water flow can then flow into the annular space through the 90 ° elbow, flowing in the pipe and annular space within the simulated cement ring.
And the flange is provided with a sealing head for simulating the communication or closing of the oil pipe and the annular space. In the embodiment, the sealing head is of a threaded sealing structure, the sealing head is opened, water flow in the annular space flows into the simulated oil pipe, and the circulating flow of the water flow in the annular space and the pipeline can be realized by closing the sealing head and opening the ball valve; the water flow circularly flows in the annular space and the simulated oil pipe by opening the sealing head and closing the ball valve; by opening the sealing head and the ball valve, the water flow circularly flows in the annular space, the simulated oil pipe and the pipeline, and then the diversification of the simulated crossflow scene is realized.
The pipeline comprises analog pipes made of different materials which are connected singly or in combination. The simulation pipe is composed of a corrugated pipe, a high-pressure hose, a PVC pipe, a reducer pipe and a damping pipe, and the connection mode of the pipelines comprises reducing installation, bending and roundabout among the pipelines. The reducing installation comprises that a simulation pipe with a larger diameter is connected with a simulation pipe with a smaller diameter through the reducing pipe, and the produced irregular flow channels are used for simulating cement sheath cracks under different states.
Example 3:
as shown in fig. 3, 4, 5 and 6, the underground channeling simulation monitoring system comprises a regulation short circuit and an optical fiber vibration monitoring device, wherein regulation short circuit optical fibers of the optical fiber vibration monitoring device are arranged along the length direction of the regulation short circuit;
the regulating and controlling short joint comprises a simulated oil pipe, a sleeve and a simulated cement ring, wherein the simulated oil pipe is sleeved in the sleeve, flanges which are used for enabling the simulated oil pipe to be coaxial with the sleeve are arranged at two ends of the simulated oil pipe, an annular space is formed between the outer wall of the simulated oil pipe and the inner wall of the sleeve, the simulated cement ring is arranged on the outer wall of the sleeve, a pipeline runner component is arranged in the simulated cement ring, and regulating and controlling short joint optical fibers are positioned on the outer side or the inner side of the wall of the sleeve; the pipeline runner assembly comprises a plurality of pipelines connected in different forms, a plurality of ball valves are arranged on the pipelines, a water inlet pipe and a water outlet pipe are arranged on the pipeline runner assembly, and the water inlet pipe and the water outlet pipe are connected with a flow regulating pump set to form a circulating waterway.
The water inlet pipe and the water outlet pipe are arranged on the pipeline or/and the flange, and the flange is provided with a sealing head for simulating the communication or closing of the oil pipe and the annular space.
The pipeline comprises analog pipes made of different materials which are connected singly or in combination.
The connecting mode of the pipelines comprises reducing installation, bending and roundabout among the pipelines.
The flange is an adapter flange; the adapter flange is provided with a plurality of sealing rings, so that the tightness of the adapter flange, the simulated oil pipe, the sleeve, the adapter flange, the basic short-circuit simulated oil pipe and the basic short-circuit sleeve is guaranteed, and the interference and the influence of other channeling on the simulation system are avoided.
The cross flow simulation monitoring system further comprises a basic short circuit connected to two ends of the regulating short circuit, the basic short circuit comprises a basic short circuit simulation oil pipe, a basic short circuit sleeve and a basic short circuit simulation cement ring, the basic short circuit simulation oil pipe is sleeved in the basic short circuit sleeve, one end of the basic short circuit simulation oil pipe is provided with an end face flange for enabling the basic short circuit simulation oil pipe to be coaxial with the basic short circuit sleeve, the other end of the basic short circuit simulation oil pipe is fixedly connected with the regulating short circuit through an adapter flange, and the adapter flange is provided with a connecting hole for an optical fiber quick connector to pass through; the utility model provides a quick-operation type short-circuit simulation oil pipe, including the basic short-circuit simulation oil pipe, the basic short-circuit sleeve pipe is equipped with the basic short-circuit simulation cement ring, be equipped with the honeycomb duct in the basic short-circuit simulation cement ring, be equipped with one or more valves on the honeycomb duct, in this embodiment, the honeycomb duct is the metal pipe, life is longer, and wherein the valve that is close to terminal surface flange one end on the honeycomb duct is the stop valve, and the tight effect of closing is better, the one end of honeycomb duct is connected with the pipeline through pipeline quick-operation joint, the other end of honeycomb duct is through basic short-circuit 90 return bend and basic short-circuit annular space intercommunication, basic short-circuit sheathed tube pipe wall outside or inboard are provided with basic short-circuit optic fibre, the one end and the optical fiber vibration monitoring equipment of basic short-circuit optic fibre are connected, the other end and the regulation and control short-circuit optic fibre pass through optic fibre quick-operation joint. In another embodiment, support plates are arranged between the sleeve and the simulated cement sheath and between the basic shorting sleeve and the basic shorting simulated cement sheath.
The outside of the simulated cement sheath is provided with a plurality of movable brackets and a leveling mechanism, and the cross-sectional area of the simulated cement sheath is 1/6 of the circular ring shape. In another embodiment, the cross-sectional area of the simulated cement sheath is 1/4 of the shape of a circular ring.
In this embodiment, water intaking valve and outlet valve all locate on the terminal surface flange, water intaking valve and water piping connection, outlet valve and outlet pipe connection, inlet tube and outlet pipe are connected with flow control pump group and are formed the circulation water route, are equipped with the end cap on the basic short circuit optic fibre, are used for the exit of basic short circuit optic fibre on the sealed basic short circuit sleeve pipe, and basic short circuit optic fibre and regulation and control short circuit optic fibre are located on the outer wall of basic short circuit simulation oil pipe and simulation oil pipe respectively, have important meaning to the longer oil well monitoring of simulation live time at present. The underground crossflow simulation monitoring system is subjected to modularized processing and manufacturing while diversified simulation scenes can be realized by adopting two basic shorts and one regulation and control short circuit for combined installation, the underground crossflow simulation monitoring system can be assembled according to different test requirements, the two basic shorts and N regulation and control short circuits are adopted for assembling, scenes with different stratum thicknesses can be simulated for monitoring, and the convenience of use is improved.
Claims (8)
1. The underground channeling simulation monitoring system is characterized by comprising a regulation short circuit and optical fiber vibration monitoring equipment, wherein the regulation short circuit optical fibers of the optical fiber vibration monitoring equipment are arranged along the length direction of the regulation short circuit;
the regulation and control short circuit comprises a sleeve and a simulated cement ring, wherein the simulated cement ring is arranged on the outer wall of the sleeve, a pipeline runner assembly is arranged in the simulated cement ring, and the regulation and control short circuit optical fiber is arranged on the outer side or the inner side of the wall of the sleeve;
the pipeline flow passage assembly comprises a plurality of pipelines connected in different forms, a plurality of ball valves are arranged on the pipelines, a water inlet pipe and a water outlet pipe are arranged on the pipeline flow passage assembly, and the water inlet pipe and the water outlet pipe are connected with a flow regulating pump set to form a circulating waterway;
the cross-sectional area of the simulated cement ring is 1/6-1/3 of the circular ring shape;
the regulating short joint further comprises a simulated oil pipe, the simulated oil pipe is sleeved in the sleeve, flanges for enabling the simulated oil pipe to be coaxial with the sleeve are arranged at two ends of the simulated oil pipe, and an annular space is formed between the outer wall of the simulated oil pipe and the inner wall of the sleeve;
the water inlet pipe and the water outlet pipe are arranged on the pipeline or/and the flange, and two ends of the pipeline runner assembly are communicated with the annular space through 90-degree bent pipes.
2. The downhole fluid channeling simulation monitoring system of claim 1, wherein: and the flange is provided with a sealing head for simulating the communication or closing of the oil pipe and the annular space.
3. The downhole fluid channeling simulation monitoring system of claim 2, wherein: the pipeline comprises analog pipes made of different materials which are connected singly or in combination.
4. The downhole fluid diversion simulation monitoring system as defined in claim 3, wherein: the connecting mode of the pipelines comprises reducing installation, bending and roundabout among the pipelines.
5. The downhole fluid channeling simulation monitoring system of claim 1, wherein: the flange is an adapter flange;
the cross flow simulation monitoring system further comprises a basic short circuit connected to two ends of the regulating short circuit, the basic short circuit comprises a basic short circuit simulation oil pipe, a basic short circuit sleeve and a basic short circuit simulation cement ring, the basic short circuit simulation oil pipe is sleeved in the basic short circuit sleeve, one end of the basic short circuit simulation oil pipe is provided with an end face flange for enabling the basic short circuit simulation oil pipe to be coaxial with the basic short circuit sleeve, the other end of the basic short circuit simulation oil pipe is fixedly connected with the regulating short circuit through an adapter flange, and the adapter flange is provided with a connecting hole for an optical fiber quick connector to pass through;
a basic short-circuit annular space is formed between the outer wall of the basic short-circuit simulation oil pipe and the inner wall of the basic short-circuit sleeve, the outer wall of the basic short-circuit sleeve is provided with a basic short-circuit simulation cement ring, a flow guide pipe is arranged in the basic short-circuit simulation cement ring, one end of the flow guide pipe is connected with a pipeline through a pipeline quick connector, and the other end of the flow guide pipe is communicated with the basic short-circuit annular space through a basic short-circuit 90-degree bent pipe;
the outside or the inboard of basic short circuit sheathed tube pipe wall is provided with basic short circuit optic fibre, the one end of basic short circuit optic fibre is connected with optic fibre vibration monitoring facilities, the other end and the regulation and control short circuit optic fibre of basic short circuit optic fibre pass through optic fibre quick-operation joint and are connected.
6. The downhole fluid diversion simulation monitoring system as defined in claim 5, wherein: the crossflow simulation monitoring system comprises two basic short circuits and a plurality of regulation short circuits, wherein the basic short circuits are positioned at two ends of the regulation short circuits.
7. The downhole fluid channeling simulation monitoring system of claim 1, wherein: and the regulating short-circuit optical fiber is arranged on the outer wall of the simulated oil pipe.
8. The downhole fluid channeling simulation monitoring system of claim 1, wherein: and a plurality of movable brackets and leveling mechanisms are arranged outside the simulated cement sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045455.4A CN111058827B (en) | 2019-10-30 | 2019-10-30 | Underground channeling simulation monitoring system |
Applications Claiming Priority (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587897A (en) * | 2012-03-16 | 2012-07-18 | 山东省科学院激光研究所 | Non-immersive underground optical fiber flow monitoring system |
| CN103293101A (en) * | 2012-02-24 | 2013-09-11 | 中国石油天然气集团公司 | Downhole annular micro-crack simulation device |
| CN106917620A (en) * | 2017-03-28 | 2017-07-04 | 中国石油天然气集团公司 | A kind of simulating test device and analog detection method of cement sheath microannulus |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8505625B2 (en) * | 2010-06-16 | 2013-08-13 | Halliburton Energy Services, Inc. | Controlling well operations based on monitored parameters of cement health |
| US20120046866A1 (en) * | 2010-08-23 | 2012-02-23 | Schlumberger Technology Corporation | Oilfield applications for distributed vibration sensing technology |
| US8636063B2 (en) * | 2011-02-16 | 2014-01-28 | Halliburton Energy Services, Inc. | Cement slurry monitoring |
| CA2829092C (en) * | 2011-03-09 | 2019-02-26 | Shell Internationale Research Maatschappij B.V. | Integrated fiber optic monitoring system for a wellsite and method of using same |
| MX2016003911A (en) * | 2013-10-30 | 2017-01-06 | Halliburton Energy Services Inc | Modular sensed annular well apparatus for cement testing. |
| EP3126620A4 (en) * | 2014-04-04 | 2017-11-29 | Services Pétroliers Schlumberger | Wellbore cement simulator |
| AU2015406920B2 (en) * | 2015-08-26 | 2021-07-29 | Halliburton Energy Services, Inc. | Method and apparatus for identifying fluids behind casing |
| WO2018075075A1 (en) * | 2016-10-21 | 2018-04-26 | Halliburton Energy Services, Inc. | Methods and systems for determining fluid density by distributed acoustic sensing |
| CN108150836A (en) * | 2016-12-02 | 2018-06-12 | 天津超音科技有限公司 | Monitoring leak from oil gas pipe early warning system based on optical fiber |
| WO2018106231A1 (en) * | 2016-12-07 | 2018-06-14 | Halliburton Energy Services, Inc. | Downhole leak monitor system |
| CN108303173B (en) * | 2018-01-29 | 2020-11-10 | 武汉光谷航天三江激光产业技术研究院有限公司 | Distributed optical fiber sensing pipeline disturbance event detection method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293101A (en) * | 2012-02-24 | 2013-09-11 | 中国石油天然气集团公司 | Downhole annular micro-crack simulation device |
| CN102587897A (en) * | 2012-03-16 | 2012-07-18 | 山东省科学院激光研究所 | Non-immersive underground optical fiber flow monitoring system |
| CN106917620A (en) * | 2017-03-28 | 2017-07-04 | 中国石油天然气集团公司 | A kind of simulating test device and analog detection method of cement sheath microannulus |
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