CN203570260U - Shaft device for simulating cementing - Google Patents
Shaft device for simulating cementing Download PDFInfo
- Publication number
- CN203570260U CN203570260U CN201320707061.2U CN201320707061U CN203570260U CN 203570260 U CN203570260 U CN 203570260U CN 201320707061 U CN201320707061 U CN 201320707061U CN 203570260 U CN203570260 U CN 203570260U
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- CN
- China
- Prior art keywords
- cementing
- urceolus
- section
- simulating
- outer cylinder
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- Expired - Lifetime
Links
- 238000004088 simulation Methods 0.000 claims abstract description 26
- 239000011521 glass Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a shaft device for simulating cementing. The shaft device comprises a rack, an outer cylinder is installed on the rack through slips, the outer cylinder is mainly formed by sequentially connecting a first simulation well section, a measuring section and a second simulation well section, an inner cylinder is installed in the outer cylinder through eccentric adjustment sheets, and a space for simulating an annular space between a well and a sleeve in the field is formed between the outer wall of the inner cylinder and the inner wall of the outer cylinder. According to the shaft device for simulating cementing, the measuring section of the outer cylinder can be replaced conveniently according to the requirements of experiments, meanwhile the size of the inner cylinder can also be replaced conveniently according to the requirements of the experiments, and the eccentricity of the inner cylinder in the outer cylinder is adjusted conveniently through the eccentric adjustment sheets. The shaft device has the advantages of being simple in structure, convenient to operate, easy to manufacture, low in manufacturing cost, high in reliability, good in stability, high in practicability and the like, accurate experiment results can be obtained, and therefore accurate, reliable and effective experimental instructions are provided for actual cementing construction.
Description
Technical field
The utility model relates to the well cementation analogue experiment installation that petroleum oil well completion is used, specifically a kind of wellbore apparatus of simulating cementing.
Background technology
In well, be lowered to sleeve pipe, and be called well cementation to the construction operation of the annular space injection cement between well and sleeve pipe, it is the important operation in drilling process.In order to grasp the displacement efficiency of cementing under various hole conditions, and in well, inject the cement that is applicable to hole condition, need be at the displacement efficiency of entity operation front simulation cementing under various hole conditions of cementing the well.At present, widely used simulation cementing experimental technique mainly contains full-scale replacement analogue experiment installation, actual density cement paste is simulated little gap to similar size sleeve pipe replacement experimental facilities, similar liquid and replaced experiment, annular fluid replacement Simulation evaluation instrument-" streaming instrument " etc.Wherein, full-scale replacement analogue experiment installation adopts and directly cuts open mensuration realization, has the defects such as workload is large, troublesome poeration, experimental cost height, and can not analyze continuously displacement process; It is to adopt actinometry method to realize that actual density cement paste replaces experimental facilities to similar size sleeve pipe, and this technology exists the danger of nuclear radiation, and security reliability is poor, practical not; It is to adopt the measuring method of high-speed camera to realize that similar liquid is simulated the replacement experiment of little gap, and it requires pit shaft and fluid to be all pellucidity, high to requirement of experiment, and experiment input cost is large, and can not accurately simulate cemented displacement efficiency; It is to measure by high-precision sensor that annular fluid replaces Simulation evaluation instrument-" streaming instrument ", and it only can, as the closely spaced well cementation of the unconventional casing programme of simulation, be of limited application.
Summary of the invention
The purpose of this utility model is: for above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to operate, cost is lower, reliability is high, can obtain the wellbore apparatus of the simulation cementing of accurate experimental result.
The technical solution adopted in the utility model is: a kind of wellbore apparatus of simulating cementing, comprise stand, on described stand, by slips, be equipped with urceolus, the first simulation well section, measuring section and the second simulation well section that this urceolus is mainly connected in turn by flange form, in urceolus, by eccentric adjusting sheet, be equipped with inner core, between the outer wall of inner core and the inwall of urceolus, form the annular space between well and sleeve pipe in simulated field.
Described measuring section is core holding unit or transparent organic glass section.
Described eccentric adjusting sheet is three groups, along the axial direction step-by-step arrangement of urceolus, by the eccentricity that makes adjustments inner core.
The corresponding access of the end pond with slurry of described the second simulation well section.
The first simulation well segment length of described urceolus is 2750mm, and measuring section length is 500mm, and the second simulation well segment length is 750mm.
The beneficial effects of the utility model are: the urceolus measuring section of above-mentioned wellbore apparatus can be convenient for changing according to requirement of experiment, the size of inner core also can be convenient for changing according to requirement of experiment simultaneously, the eccentricity of inner core in urceolus facilitates adjustment by eccentric adjusting sheet, it have simple in structure, easy to operate, be easy to manufacture, manufacturing cost is lower, reliability is high, good stability, the feature such as practical, can obtain experimental result accurately, thereby for the construction of well cementation entity provides accurately, reliable, effective experiment instruction.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is a kind of structural representation of the present utility model.
Code name implication in figure: 1-eccentric adjusting sheet; 2-urceolus; 3-annular space; 4-flange; 5-measuring section; 6-inner core; 7-slips; 8-stand; The 9-the first simulation well section; The 10-the second simulation well section.
The specific embodiment
Referring to Fig. 1: the utility model comprises stand 8, is equipped with urceolus 2 on stand 8 by multiple slips 7.The first simulation well section 9, measuring section 5 and the second simulation well section 10 that this urceolus 2 is mainly connected in turn by flange 4 form; Measuring section 5 is core holding unit or transparent organic glass section, specifically according to requirement of experiment, determine, if measuring section 5 is core holding unit, as doing the experiment of rock core gelling knotting strength, if measuring section 5 is transparent organic glass section, coordinate PIV system, do the flow field vector analysis experiment of annular fluid; The corresponding access of the end pond with slurry of the second simulation well section 10, so that Experimental Flowing Object circulation.In urceolus 2, by three groups of eccentric adjusting sheets 1, be equipped with inner core 6, these three groups of eccentric adjusting sheets 1 are along the axial direction step-by-step arrangement of urceolus 2, between the inwall of the outer wall of inner core 6 and urceolus 2, form the annular space 3 between well and sleeve pipe in simulated field, the eccentricity of inner core 6 in urceolus 2 adjusted by three groups of eccentric adjusting sheets 1.
According to boundary layer theory, the first simulation well section 9 length of above-mentioned urceolus 2 are 2750mm, and this length can guarantee that sleeve pipe boundary layer water mud reaches steady flow entering before measuring section; Measuring section 5 length of urceolus 2 are 500mm, and this length makes can ensure enough times of contact in the process replacing; The second simulation well section 10 length of urceolus 2 are 750mm, and this length can effectively prevent the impact on measuring section of torrent that drilling fluid or cement paste produce.
Claims (5)
1. simulate the wellbore apparatus of cementing for one kind, comprise stand (8), it is characterized in that: described stand (8) is upper is equipped with urceolus (2) by slips (7), the first simulation well section (9), measuring section (5) and the second simulation well section (10) that this urceolus (2) is mainly connected in turn by flange (4) form, in urceolus (2), by eccentric adjusting sheet (1), be equipped with inner core (6), between the outer wall of inner core (6) and the inwall of urceolus (2), form the annular space (3) between well and sleeve pipe in simulated field.
2. the wellbore apparatus of simulating according to claim 1 cementing, is characterized in that: described measuring section (5) is core holding unit or transparent organic glass section.
3. the wellbore apparatus of simulating according to claim 1 cementing, is characterized in that: described eccentric adjusting sheet (1) is three groups, along the axial direction step-by-step arrangement of urceolus (2), with making adjustments the eccentricity of inner core (6) in urceolus (2).
4. the wellbore apparatus of simulating according to claim 1 cementing, is characterized in that: the corresponding access of the end pond with slurry of described the second simulation well section (10).
5. the wellbore apparatus of simulating according to claim 1 cementing, is characterized in that: the first simulation well section (9) length of described urceolus (2) is 2750mm, and measuring section (5) length is 500mm, and the second simulation well section (10) length is 750mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707061.2U CN203570260U (en) | 2013-11-11 | 2013-11-11 | Shaft device for simulating cementing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707061.2U CN203570260U (en) | 2013-11-11 | 2013-11-11 | Shaft device for simulating cementing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570260U true CN203570260U (en) | 2014-04-30 |
Family
ID=50537994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707061.2U Expired - Lifetime CN203570260U (en) | 2013-11-11 | 2013-11-11 | Shaft device for simulating cementing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570260U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863541A (en) * | 2015-04-22 | 2015-08-26 | 中国石油大学(华东) | Experimental method of simulating cementing in well cementation process |
| CN109138906A (en) * | 2018-09-20 | 2019-01-04 | 中国石油大学(北京) | Simulate the test device and method of underground cementing concrete ring comprehensive performance |
| CN110031193A (en) * | 2018-01-10 | 2019-07-19 | 中国石油天然气股份有限公司 | Cementing tool experimental rig |
-
2013
- 2013-11-11 CN CN201320707061.2U patent/CN203570260U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863541A (en) * | 2015-04-22 | 2015-08-26 | 中国石油大学(华东) | Experimental method of simulating cementing in well cementation process |
| CN104863541B (en) * | 2015-04-22 | 2017-07-11 | 中国石油大学(华东) | Cemented experimental method in one kind simulation well cementing process |
| CN110031193A (en) * | 2018-01-10 | 2019-07-19 | 中国石油天然气股份有限公司 | Cementing tool experimental rig |
| CN110031193B (en) * | 2018-01-10 | 2021-04-30 | 中国石油天然气股份有限公司 | Well cementation tool test device |
| CN109138906A (en) * | 2018-09-20 | 2019-01-04 | 中国石油大学(北京) | Simulate the test device and method of underground cementing concrete ring comprehensive performance |
| CN109138906B (en) * | 2018-09-20 | 2023-09-22 | 中国石油大学(北京) | Testing device and method for simulating comprehensive performance of underground well cementing cement sheath |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |