CN203441447U - Visual horizontal well gravel packing simulation test device - Google Patents
Visual horizontal well gravel packing simulation test device Download PDFInfo
- Publication number
- CN203441447U CN203441447U CN201320477294.8U CN201320477294U CN203441447U CN 203441447 U CN203441447 U CN 203441447U CN 201320477294 U CN201320477294 U CN 201320477294U CN 203441447 U CN203441447 U CN 203441447U
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- Prior art keywords
- leak
- horizontal well
- test device
- gravel
- pipelines
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- 238000004088 simulation Methods 0.000 title claims abstract description 80
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 230000000007 visual effect Effects 0.000 title claims abstract description 25
- 238000012856 packing Methods 0.000 title abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 239000004576 sand Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 5
- 239000012780 transparent material Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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Abstract
A visual horizontal well gravel packing simulation test device comprises: the simulation shaft is provided with a plurality of transparent cylinders, every two transparent cylinders are connected through a metal short cylinder, one end of the simulation shaft is connected with a filling joint, the other end of the simulation shaft is connected with a plug, and a sieve tube penetrates through the simulation shaft; a fluid loss pipeline having a plurality of fluid loss branch pipelines, a plurality of fluid loss sub-pipelines, and a fluid loss main pipeline, the plurality of fluid loss sub-pipelines being connected to the fluid loss main pipeline, each of the transparent cylinders being connected to the plurality of fluid loss branch pipelines, the plurality of fluid loss sub-pipelines on each of the transparent cylinders being connected to one of the fluid loss sub-pipelines; and the backflow pipeline is provided with a plurality of backflow secondary pipelines and a backflow main pipeline, the plurality of backflow secondary pipelines are connected to the backflow main pipeline, and the backflow secondary pipelines are connected with the metal short cylinder. The utility model discloses a visual horizontal well gravel packing analogue test device can clearly observe the gravel packing process, improves test pressure widely, improves gravel packing rate and sand control effect in the horizontal well.
Description
Technical field
The utility model is filled sand control technique experimental rig relevant for a kind of gravel, especially relevant for the visual horizontal well gravel in a kind of technical field of petroleum extraction, fills simulation test device.
Background technology
In SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL sand control completion process, because load fluid flow direction is vertical with gravel gravity direction, thereby its filling rule and straight well exist basic difference, and especially, in long horizontal well, gravel pack technique exists very large technical difficulty.For gravel pack rule in research level well, Optimizing construction technique, in the well of improving the standard, gravel pack rate and sand controlling result, developed dissimilar SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL experimental rig both at home and abroad.
Existing SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL experimental rig mainly can be divided into three types: the first is not visible experimental rig, and this experimental rig generally adopts sleeve pipe as simulation wellbore hole, can not observe the stowing operation of gravel in horizontal well in process of the test; The second is local visual experimental rig, and this experimental rig adopts the sleeve pipe that visualization window is housed as simulation wellbore hole, can only locally observe the stowing operation of gravel in horizontal well, and observing effect is poor; The third is all-transparent experimental rig, this experimental rig adopts common organic glass as simulation wellbore hole, can observe the whole stowing operation of gravel in horizontal well, but the test pressure of this device is very limited, the length of simulation wellbore hole is also very restricted, make to test the actual gravel-packing process of gravel-packing process and horizontal well and have larger difference, can not truly reflect the actual filling situation of horizontal well.
In addition, in SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL experimental rig, after off-test, how rinsing the gravel of filling in simulation wellbore hole is a key issue, and simulation wellbore hole is longer, and the difficulty that gravel rinses in the row of returning is larger.Existing SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL experimental rig does not all provide concrete gravel purging method.
Therefore, be necessary to provide a kind of new SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL experimental rig, overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of visual horizontal well gravel and fills simulation test device, it can clear observation gravel-packing process, can improve widely test pressure again, gravel pack rule in research level well, Optimizing construction technique, gravel pack rate and sand controlling result in the well of improving the standard.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of visual horizontal well gravel to fill simulation test device, and described visual horizontal well gravel is filled simulation test device and comprised:
Simulation wellbore hole, it has a plurality of transparent tubes, is connected between two between described transparent tube by the short cylinder of metal, one end of described simulation wellbore hole is connected with filling joint, described filling joint is connected with injection car group, and the other end of described simulation wellbore hole is connected with plug, in described simulation wellbore hole, is equipped with screen casing;
Leak-off pipeline, it has many leak-off take-off lines, many leak-off time pipelines and a leak-off Trunk Line, described many leak-offs time pipeline is connected on described leak-off Trunk Line, described in each, on transparent tube, be connected with many described leak-off take-off lines, many leak-off take-off lines described in each on transparent tube are connected with a described leak-off time pipeline respectively;
Return comb line, it has many anti-row's time pipelines and anti-row's Trunk Line, and described many anti-row's time pipelines are connected on described anti-row's Trunk Line, and described anti-row time pipeline is connected with the short cylinder of described metal.
In a preferred embodiment, described visual horizontal well gravel is filled simulation test device and is also comprised data collecting system, and described data collecting system is connected with a plurality of pressure sensors, and described in each, pressure sensor is connected with transparent tube described in each.
In a preferred embodiment, described data collecting system is also connected with a plurality of video cameras, and described in each, video camera is relative with the short cylinder of metal described in each.
In a preferred embodiment, described leak-off time pipeline is provided with flow meter.
In a preferred embodiment, on described leak-off time pipeline, described anti-row time pipeline, be connected with respectively valve.
In a preferred embodiment, the outer wall spacer sleeve of described transparent tube is provided with steel bushing.
Feature and advantage that visual horizontal well gravel of the present utility model is filled simulation test device are: the simulation wellbore hole structure design that the transparent tube that employing transparent material is made and transparent tube and the short cylinder of metal interval are connected, gravel-packing process can be clearly observed, test pressure can be improved widely again; In addition, this visual horizontal well gravel is filled simulation test device, has gravel and returns drainage journey, after off-test, by returning comb line, can rinse easily the gravel of filling in simulation wellbore hole, can extend widely the length of simulation wellbore hole, make the flushing of gravel not be subject to the restriction of simulation wellbore hole length; Have again, adopt the injection car group of gravel pack operation field reality to carry out gravel pack test and the row's of returning flushing, the investment of also having saved gravel compaction equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that visual horizontal well gravel of the present utility model is filled simulation test device.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of visual horizontal well gravel to fill simulation test device, and it comprises simulation wellbore hole 1, leak-off pipeline 2 and returns comb line 3.Wherein: simulation wellbore hole 1 has a plurality of transparent tubes 11, between described transparent tube 11, by the short cylinder 12 of metal, be connected between two, one end of described simulation wellbore hole 1 is connected with fills joint 13, described filling joint 13 is connected with injection car group 4, the other end of described simulation wellbore hole 1 is connected with plug 14, in described simulation wellbore hole 1, is equipped with screen casing 15; Leak-off pipeline 2 has many leak-off take-off lines 21, many leak-off time pipelines 22 and a leak-off Trunk Line 23, described many leak-offs time pipeline 22 is connected on described leak-off Trunk Line 23, described in each, on transparent tube 11, be connected with many described leak-off take-off lines 21, many leak-off take-off lines 21 described in each on transparent tube 11 are connected with a described leak-off time pipeline 22 respectively; Return comb line 3 and have many anti-row's time pipelines 31 and anti-row's Trunk Line 32, described many anti-row's time pipelines 31 are connected on described anti-row's Trunk Line 32, and described anti-row time pipeline 31 is connected with the short cylinder 12 of described metal.
Specifically, the transparent tube 11 of simulation wellbore hole 1 adopts transparent material to make, its personnel that are convenient to operation externally observe the test situation in it, the internal diameter of transparent tube 11 is 25cm, thickness is 2.5cm, internal pressure strength is 8MPa, a plurality of transparent tubes 11 are connected in series mutually, between transparent tube 11, by the short cylinder 12 of metal, be connected between two, thereby form simulation wellbore hole 1, one end of simulation wellbore hole 1 connects fills joint 13, and its other end connects plug 14, and this is filled joint 13 and is connected with an injection car group 4; In the utility model, the short cylinder 12 of metal is made by stainless steel material, and its length is 10～20cm, and the length of transparent tube 11 is greater than the length of the short cylinder 12 of metal, and transparent tube 11 is identical with the internal diameter of the short cylinder 12 of metal, and the total length of simulation wellbore hole 1 is 50m.
Leak-off pipeline 2 is for part load fluid in simulation wellbore hole 1 is discharged, and it can simulate load fluid toward the process of leak-off in stratum.Wherein, an aperture is offered at interval of one meter in both sides at transparent tube 11, on each aperture, connect a leak-off take-off line 21, the leak-off take-off line 21 connecting on each transparent tube 11 is connected on a leak-off time pipeline 22, and many leak-offs that connect on a plurality of transparent tubes 11 time pipeline 22 is connected on a leak-off Trunk Line 23.Load fluid in simulation wellbore hole 1 is discharged from from those leak-off take-off lines 21, those leak-offs time pipeline 22 and leak-off Trunk Line 23.
Return comb line 3 and be comprised of many anti-row's time pipelines 31 and anti-row's Trunk Line 32, after end to be tested, toward the interior injection clear water of simulation wellbore hole 1, the gravel in simulation wellbore hole 1 will develop in reflexive comb line 3.Wherein, many anti-row's time pipelines 31 that return comb line 3 are connected on the short cylinder 12 of a plurality of metals, can avoid so anti-comb line 3 to be directly connected with transparent tube 11, and cause the strength decreased of transparent tube 11; Many anti-row's time pipelines 31 are connected on anti-row's Trunk Line 32.
The course of work of the present utility model is as follows: first, simulation wellbore hole 1 is assembled, screen casing 15 is located in simulation wellbore hole 1, the two ends of simulation wellbore hole 1 seal respectively fills joint 13 and plug 14, then simulation wellbore hole 1 is connected with injection car group 4 with the one end of filling joint 13, afterwards, by leak-off pipeline 2 with return comb line 3 and be connected on transparent tube 11 and the short cylinder 12 of metal.While testing, first, open and inject car group 4, load fluid to the interior injection of screen casing 15 of simulation wellbore hole 1 with gravel, part load fluid is discharged from through leak-off take-off line 21, those leak-offs time pipeline 22 and the leak-off Trunk Line 23 of leak-off pipeline 2, simulated load fluid toward the process of leak-off in stratum, in this process, operating personnel can observe by a plurality of transparent tubes 11 of simulation wellbore hole 1 filling process of gravels; After end to be tested, the row's of the returning Trunk Line 32 that returns comb line 3 is connected with injection car group 4, dismantle plug 14, open first row of the returning time pipeline 31 near plug 14, close other row of returning time pipeline 31, toward large discharge capacity in simulation wellbore hole 1, inject clear water, gravel in simulation wellbore hole 1 is developed, then, open successively other row of returning time pipeline 31, by the gravel sectional flushing in simulation wellbore hole 1 out, adopt this backwashing manner, the resistance that can effectively reduce the row of returning, is not subject to the restriction of simulation wellbore hole 1 length.
Visual horizontal well gravel of the present utility model is filled simulation test device, simulation wellbore hole 1 structure design that the transparent tube 11 that employing transparent material is made and transparent tube 11 and the short cylinder of metal 12 intervals are connected, gravel-packing process can be clearly observed, test pressure can be improved widely again; In addition, this visual horizontal well gravel is filled simulation test device, there is gravel and return drainage journey, after off-test, by returning comb line 3, can rinse easily the gravel of filling in simulation wellbore hole 1, can extend widely the length of simulation wellbore hole 1, make the flushing of gravel not be subject to the restriction of simulation wellbore hole 1 length; Have again, adopt the injection car group 4 of gravel pack operation field reality to carry out gravel pack test and the row's of returning flushing, the investment of also having saved gravel compaction equipment.
According to an embodiment of the present utility model, described visual horizontal well gravel is filled simulation test device and is also comprised data collecting system 5, described data collecting system 5 is connected with a plurality of pressure sensors 51, and described in each, pressure sensor 51 is connected with transparent tube described in each 11.Those pressure sensors 51 are for measuring gravel-packing process, and the pressure at the interior diverse location of simulation wellbore hole 1 place changes.
Further, described data collecting system 5 is also connected with a plurality of video cameras 52, and described in each, video camera 52 is relative with the short cylinder 12 of metal described in each.Those video cameras 52 are for recording gravel-packing process.
According to an embodiment of the present utility model, described leak-off time pipeline 22 is provided with flow meter 221.This flow meter 221 is the flow through the load fluid of leak-off pipeline 2 for measurement flow, and in the utility model, those flow meters 221 can be connected with data collecting system 5, the changes in flow rate in real time record process of the test; Further, on described leak-off time pipeline 22, described anti-row time pipeline 31, be connected with respectively valve 222 and valve 311.Valve 222 and valve 311 are for opening or close leak-off time pipeline 22 and anti-row's time pipeline 31.
According to an embodiment of the present utility model, the outer wall spacer sleeve of described transparent tube 11 is provided with steel bushing (not shown), and those steel bushings can further strengthen the intensity of transparent tube 11.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various changes or modification and not depart from spirit and scope of the present utility model the utility model embodiment according to the disclosed content of application documents.
Claims (6)
1. visual horizontal well gravel is filled a simulation test device, it is characterized in that, described visual horizontal well gravel is filled simulation test device and comprised:
Simulation wellbore hole, it has a plurality of transparent tubes, is connected between two between described transparent tube by the short cylinder of metal, one end of described simulation wellbore hole is connected with filling joint, described filling joint is connected with injection car group, and the other end of described simulation wellbore hole is connected with plug, in described simulation wellbore hole, is equipped with screen casing;
Leak-off pipeline, it has many leak-off take-off lines, many leak-off time pipelines and a leak-off Trunk Line, described many leak-offs time pipeline is connected on described leak-off Trunk Line, described in each, on transparent tube, be connected with many described leak-off take-off lines, many leak-off take-off lines described in each on transparent tube are connected with a described leak-off time pipeline respectively;
Return comb line, it has many anti-row's time pipelines and anti-row's Trunk Line, and described many anti-row's time pipelines are connected on described anti-row's Trunk Line, and described anti-row time pipeline is connected with the short cylinder of described metal.
2. visual horizontal well gravel as claimed in claim 1 is filled simulation test device, it is characterized in that, described visual horizontal well gravel is filled simulation test device and is also comprised data collecting system, described data collecting system is connected with a plurality of pressure sensors, and described in each, pressure sensor is connected with transparent tube described in each.
3. visual horizontal well gravel as claimed in claim 2 is filled simulation test device, it is characterized in that, described data collecting system is also connected with a plurality of video cameras, and described in each, video camera is relative with the short cylinder of metal described in each.
4. visual horizontal well gravel as claimed in claim 1 is filled simulation test device, it is characterized in that, described leak-off time pipeline is provided with flow meter.
5. visual horizontal well gravel as claimed in claim 1 is filled simulation test device, it is characterized in that, on described leak-off time pipeline, described anti-row time pipeline, is connected with respectively valve.
6. visual horizontal well gravel as claimed in claim 1 is filled simulation test device, it is characterized in that, the outer wall spacer sleeve of described transparent tube is provided with steel bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320477294.8U CN203441447U (en) | 2013-08-06 | 2013-08-06 | Visual horizontal well gravel packing simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320477294.8U CN203441447U (en) | 2013-08-06 | 2013-08-06 | Visual horizontal well gravel packing simulation test device |
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| Publication Number | Publication Date |
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| CN203441447U true CN203441447U (en) | 2014-02-19 |
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| CN201320477294.8U Expired - Lifetime CN203441447U (en) | 2013-08-06 | 2013-08-06 | Visual horizontal well gravel packing simulation test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452533A (en) * | 2013-08-06 | 2013-12-18 | 中国石油天然气股份有限公司 | Visual horizontal well gravel packing simulation test device |
| CN105003233A (en) * | 2015-07-28 | 2015-10-28 | 中国海洋石油总公司 | Sand prevention mode selection method |
| CN105401934A (en) * | 2015-11-25 | 2016-03-16 | 中国石油天然气股份有限公司 | Visual simulation shaft experiment device |
| CN108287123A (en) * | 2018-02-05 | 2018-07-17 | 中国石油大学(华东) | A kind of measurement CO2The visualization device and method of solid-carrying performance under the conditions of fracturing fluid high pressure dynamic filtration |
-
2013
- 2013-08-06 CN CN201320477294.8U patent/CN203441447U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452533A (en) * | 2013-08-06 | 2013-12-18 | 中国石油天然气股份有限公司 | Visual horizontal well gravel packing simulation test device |
| CN103452533B (en) * | 2013-08-06 | 2016-01-06 | 中国石油天然气股份有限公司 | Visual horizontal well gravel packing simulation test device |
| CN105003233A (en) * | 2015-07-28 | 2015-10-28 | 中国海洋石油总公司 | Sand prevention mode selection method |
| CN105401934A (en) * | 2015-11-25 | 2016-03-16 | 中国石油天然气股份有限公司 | Visual simulation shaft experiment device |
| CN105401934B (en) * | 2015-11-25 | 2018-06-01 | 中国石油天然气股份有限公司 | Visual simulation shaft experiment device |
| CN108287123A (en) * | 2018-02-05 | 2018-07-17 | 中国石油大学(华东) | A kind of measurement CO2The visualization device and method of solid-carrying performance under the conditions of fracturing fluid high pressure dynamic filtration |
| CN108287123B (en) * | 2018-02-05 | 2020-09-15 | 中国石油大学(华东) | CO under dynamic filtration2Fracturing fluid sand-carrying visual testing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20160106 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |