CN206020228U - A kind of overall sand control screen sand block accuracy detecting device - Google Patents
A kind of overall sand control screen sand block accuracy detecting device Download PDFInfo
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- CN206020228U CN206020228U CN201620900303.3U CN201620900303U CN206020228U CN 206020228 U CN206020228 U CN 206020228U CN 201620900303 U CN201620900303 U CN 201620900303U CN 206020228 U CN206020228 U CN 206020228U
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Abstract
A kind of overall sand control screen sand block accuracy detecting device, including：Pump, pressure gauge, screen casing clamper, sand sample withdrawer and bracing frame, wherein, described pump is connected with screen casing clamper by pipeline, described pressure gauge is in connecting pipeline, described screen casing clamper is used for clamping a screen casing, is provided with gland, is provided with inlet opening in described gland in which, described sand sample withdrawer is positioned over inside screen casing, and described bracing frame is supported to screen casing two ends.This utility model need not process screen casing detection exemplar, overall screen casing can be detected, can achieve the detection of batch screen casing；Structure of the detecting device is simple, easy to operate, and accuracy rate is high, and testing cost is low.
Description
Technical field
This utility model is related to oil-gas mining technical field, more particularly to a kind of overall sand control screen sand block accuracy detection dress
Put.
Background technology
In technical field of petroleum extraction, when exploiting especially for loose oil-gas reservoir, due to generally going out in recovery process
Sand, needs to take sand-preventing process to be exploited, and sand control screen is most universal used in mechanical sand control Technology, most important one
The instrument of kind.Screen casing sand block precision refers to the largest particles particle size values by screen casing, and it is relevant with the structure of screen casing filter medium.Gear
Sand precision is the most important technical parameter of screen casing, directly affects the sand controlling result of screen casing.The sand block accuracy detection of sand control screen is
One very important work.
In prior art, the detection of sand control screen sand block precision, such as Chinese patent CN 101509840A and Chinese patent
ZL201210567785.1 discloses the experimental provision of correlation and method, is required to destroy former screen casing, is processed into detection
Test exemplar.There is problems with prior art：1. can only sampling Detection, it is impossible to realize the detection of whole screen casings；2. can not be right
Overall screen casing is detected, needs to destroy former screen casing, is processed into detection and tests exemplar, testing cost height, experimental implementation
Complicated.
Utility model content
This utility model overcomes the deficiencies in the prior art, there is provided a kind of test device of overall sand control screen sand block precision.
A kind of overall sand control screen sand block accuracy detecting device, including：Pump, pressure gauge, screen casing clamper, sand sample withdrawer
And bracing frame, described pump is connected with screen casing clamper by pipeline, and described pressure gauge is in connecting pipeline, described
Screen casing clamper is used for clamping a screen casing, and which is provided with gland, and described gland is provided with inlet opening, and described sand sample withdrawer is placed
Inside screen casing, for collecting the sample by screen casing, described bracing frame is supported to screen casing two ends.
Further, described screen casing clamper includes the gland, base and pull bar, and screen casing is folded in pressure by pull bar
Between lid and bottom seat.
Further, described screen casing clamper also includes sealing gasket and/or neonychium, the sealing gasket be positioned over gland with
Between screen casing, the neonychium is positioned between base and screen casing.
Further, the gland includes：Inlet opening and add sand mouth that back-up sand chamber is communicated with the back-up sand chamber, described
Back-up sand chamber is circular cylindrical cavity, and described plus sand mouth is located above back-up sand chamber, the back-up sand chamber by the eyelet on screen casing with described
Communicate inside screen casing.
Further, the gland includes：Inlet opening and add sand mouth that back-up sand chamber is communicated with the back-up sand chamber, described
Back-up sand chamber is circular cylindrical cavity, and described plus sand mouth is located above back-up sand chamber, the back-up sand chamber by the eyelet on screen casing with described
Communicate inside screen casing.
Further, the inlet opening includes that positive inlet opening and multiple side inlet openings, the positive inlet opening are located on back-up sand chamber
Side, the plurality of side inlet opening are circumferentially uniformly arranged on back-up sand chamber side.
Further, described sand sample withdrawer includes：The withdrawer body of column and filter cup, in the withdrawer body
Portion has the manhole for radially extending, and places the filter cup in manhole, and the filter cup can pass through the sieve
Eyelet on pipe is communicated with the back-up sand chamber, described at least one flowing hole of filter cup bottom.
Further, the filter cup bottom is provided with drainage screen.
Further, described withdrawer body two ends are provided with push rod.
Further, the withdrawer body two ends are equiped with cushion rubber, described cushion rubber with diameter greater than screen casing internal diameter, by institute
State withdrawer body and movably can seal and be arranged inside the screen casing.
This utility model beneficial effect, it is not necessary to process screen casing detection exemplar, overall screen casing can be detected, be can achieve
The detection of batch screen casing；Structure of the detecting device is simple, easy to operate, and accuracy rate is high, and testing cost is low.
Description of the drawings
Fig. 1 is overall sand control screen sand block accuracy detecting device structural representation；
Fig. 2 is overall sand control screen sand block accuracy detecting device schematic appearance；
Fig. 3 is overall sand control screen sand block accuracy detecting device screen casing clamper schematic diagram；
Fig. 4 is overall sand control screen sand block accuracy detecting device sand sample withdrawer schematic diagram；
Fig. 5 is overall sand control screen sand block accuracy detecting device sand sample withdrawer top view；
Wherein：1 pump；2 pressure gauges；3 screen casing clampers；4 sand sample withdrawers；5 screen casings；6 bracing frames；31 glands；32 bases；
33 pull bars；34 sealing gaskets；35 neonychiums；311 back-up sand chambeies；312 positive inlet openings；313 side inlet openings；314 add sand mouth；41 withdrawers
Body；42 cushion rubbers；43 filter cups；44 push rod；431 flowing holes；432 drainage screens.
Specific embodiment
As shown in Figure 1, 2, a kind of overall sand control screen sand block accuracy detecting device, including：Pump 1, pressure gauge 2, screen casing folder
Holder 3, sand sample withdrawer 4 and bracing frame 6, wherein, described pump 1 is connected with screen casing clamper 3 by pipeline, described pressure
In connecting pipeline, described screen casing clamper 3 is used for clamping a screen casing 5 table 2, is provided with gland 31, described pressure in which
Inlet opening is provided with lid 31, described sand sample withdrawer 4 is positioned over inside screen casing 5, and described bracing frame 6 enters to 5 two ends of screen casing
Row is supported.
Shown in Fig. 3, described screen casing clamper 3 includes：Gland 31, base 32 and pull bar 33, by pull bar 33 by gland
31 and base 32 be clamped in the top and the bottom of screen casing 5.
Described screen casing clamper 3 also includes：Sealing gasket 34 and/or neonychium 35, described sealing gasket 34 are positioned over pressure
Between lid 31 and screen casing 5, described neonychium 35 is positioned between base 32 and screen casing 5.
Described gland 31 includes：Back-up sand chamber 311, positive inlet opening 312, side inlet opening 313 and plus sand mouth 314, described
Back-up sand chamber 311 be circular cylindrical cavity, positive inlet opening 312 and plus sand mouth 314 be located above back-up sand chamber 311,311 side of back-up sand chamber
It is evenly arranged multiple side inlet openings 313.
Fig. 4, shown in 5, described sand sample withdrawer 4 includes：Withdrawer body 41, cushion rubber 42, filter cup 43 and push rod
44, there is manhole in the middle part of the withdrawer body 41, in manhole, place filter cup 43, described 43 bottom of filter cup
At least one flowing hole 431, installs drainage screen 432 on 43 bottom of filter cup.
Push rod 44 is installed at described 41 two ends of withdrawer body, and described cushion rubber 42 is circular installed in withdrawer body 41
The both sides of through hole, described 42 diameter of cushion rubber are slightly larger than 5 internal diameter of screen casing, and described 41 diameter of withdrawer body is slightly less than screen casing 5
Internal diameter.
Fig. 3, shown in 4, the described back-up sand chamber 311 of gland 31 and the filter cup 43 of sand sample withdrawer 4 just punch to screen casing 5
Hole position.
The method and principle that screen casing sand block accuracy detection is carried out using this detection means be：Screen casing clamper is pressed from both sides by gland
The filter cup of screen casing, the back-up sand chamber of gland and sand sample withdrawer is held just to screen openings, drainage screen is installed on filter cup, is worked as screen casing
In when being put into sand sample withdrawer, by one group by different-grain diameter (such as particle size range：0.05～0.6mm) glass microballoon that constitutes, from
Plus add in back-up sand chamber in sand mouth；Start pump, inject fluid, fluid enters back-up sand chamber, shape from positive inlet opening and side inlet opening
Into jet, jet agitation is carried out to the glass microballoon in back-up sand chamber, prevent glass microballoon accumulated plugging；Rolling action in fluid
Under, entered in filter cup by screen casing less than the glass microballoon of screen casing filter mesh；After 10～20min of experiment, stop experiment；
Sand sample withdrawer is pulled out, the glass microballoon in filter cup is taken out, using testing sieve or imaged particles analyser, measurement maximum
Glass microballoon size, using this size as the sand block precision of screen casing.
Claims (10)
1. a kind of overall sand control screen sand block accuracy detecting device, it is characterised in that include：Pump (1), pressure gauge (2), screen casing folder
Holder (3), sand sample withdrawer (4) and bracing frame (6), described pump (1) are connected with screen casing clamper (3) by pipeline, described
Pressure gauge (2) in the connecting pipeline, described screen casing clamper (3) is used for clamping a screen casing (5), and which is provided with gland
(31), described gland (31) is provided with inlet opening, and described sand sample withdrawer (4) is positioned over screen casing (5) inside, logical for collecting
The sample of screen casing is crossed, described bracing frame (6) is supported to screen casing (5) two ends.
2. overall sand control screen sand block accuracy detecting device according to claim 1, it is characterised in that described screen casing folder
Holder (3) includes the gland (31), base (32) and pull bar (33), and screen casing (5) is folded in gland by pull bar (33)
(31) and between base (32).
3. overall sand control screen sand block accuracy detecting device according to claim 1, it is characterised in that described screen casing folder
Holder (3) also includes that sealing gasket (34) and/or neonychium (35), sealing gasket (34) are positioned over gland (31) and screen casing (5)
Between, neonychium (35) are positioned between base (32) and screen casing (5).
4. overall sand control screen sand block accuracy detecting device according to claim 2, it is characterised in that gland (31)
Including：Inlet opening (312,313) and add sand mouth (314) that back-up sand chamber (311) is communicated with back-up sand chamber (311), described
Back-up sand chamber (311) is circular cylindrical cavity, and above back-up sand chamber (311), described back-up sand chamber (311) lead to described plus sand mouth (314)
The eyelet that crosses on screen casing is communicated with inside the screen casing.
5. overall sand control screen sand block accuracy detecting device according to claim 3, it is characterised in that gland (31)
Including：The inlet opening (312,313) and add sand mouth (314), institute that back-up sand chamber (311) is communicated with back-up sand chamber (311)
The back-up sand chamber (311) that states is circular cylindrical cavity, and described plus sand mouth (314) is located above back-up sand chamber (311), the back-up sand chamber
(311) communicated with inside the screen casing by the eyelet on screen casing.
6. overall sand control screen sand block accuracy detecting device according to claim 4, it is characterised in that the inlet opening bag
Positive inlet opening (312) and multiple side inlet openings (313) is included, described positive inlet opening (312) are located above back-up sand chamber (311), described
Multiple side inlet opening (313) are circumferentially uniformly arranged on back-up sand chamber (311) side.
7. the overall sand control screen sand block accuracy detecting device according to claim 4 or 5, it is characterised in that described sand
Sample withdrawer (4) includes：The withdrawer body (41) and filter cup (43) of column, has edge in the middle part of withdrawer body (41)
The manhole for radially extending, places the filter cup (43) in manhole, filter cup (43) can pass through the sieve
Eyelet on pipe (5) is communicated with back-up sand chamber (311), described at least one flowing hole (431) of filter cup (43) bottom.
8. overall sand control screen sand block accuracy detecting device according to claim 7, it is characterised in that the filter cup
(43) bottom is provided with drainage screen (432).
9. overall sand control screen sand block accuracy detecting device according to claim 7, it is characterised in that described withdrawer
Body (41) two ends are provided with push rod (44).
10. overall sand control screen sand block accuracy detecting device according to claim 7, it is characterised in that the withdrawer
Body (41) two ends are equiped with cushion rubber (42), described cushion rubber (42) with diameter greater than screen casing (5) internal diameter, by the withdrawer sheet
Body (41) can movably be sealed and is arranged inside the screen casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900303.3U CN206020228U (en) | 2016-08-18 | 2016-08-18 | A kind of overall sand control screen sand block accuracy detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900303.3U CN206020228U (en) | 2016-08-18 | 2016-08-18 | A kind of overall sand control screen sand block accuracy detecting device |
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| Publication Number | Publication Date |
|---|---|
| CN206020228U true CN206020228U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620900303.3U Active CN206020228U (en) | 2016-08-18 | 2016-08-18 | A kind of overall sand control screen sand block accuracy detecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035705A (en) * | 2017-11-30 | 2018-05-15 | 中国石油大学(北京) | A kind of experimental method for simulating loose sand oil accumulation sand block filter medium clogging |
-
2016
- 2016-08-18 CN CN201620900303.3U patent/CN206020228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035705A (en) * | 2017-11-30 | 2018-05-15 | 中国石油大学(北京) | A kind of experimental method for simulating loose sand oil accumulation sand block filter medium clogging |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |