CN204663470U - A kind of automatic grouting formula float collar for cementing the well - Google Patents
A kind of automatic grouting formula float collar for cementing the well Download PDFInfo
- Publication number
- CN204663470U CN204663470U CN201520210760.5U CN201520210760U CN204663470U CN 204663470 U CN204663470 U CN 204663470U CN 201520210760 U CN201520210760 U CN 201520210760U CN 204663470 U CN204663470 U CN 204663470U
- Authority
- CN
- China
- Prior art keywords
- cement
- valve
- cementing
- float collar
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004568 cement Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001603 reducing effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model provides a kind of automatic grouting formula float collar for cementing the well, comprise body, valve body, ball, spring and body of cement, described body is cylindrical, body upper part is provided with the box thread be connected with sleeve pipe, body lower part is provided with the male thread be connected with sleeve pipe, body of cement is provided with between described box thread and male thread, described body of cement is cylindrical, body of cement is fixed on body interior, valve body is provided with in the middle of described body of cement, described valve body is made up of valve head and valve rod, described valve rod lower end is provided with groove, ball is provided with in described groove, spring housing is provided with on valve rod between described groove and valve head.This equipment described in the utility model is when casing job, and mud enters sleeve pipe automatically, reduces setting of casing time, the at utmost impact force of reducing effect on stratum.
Description
Technical field
The utility model belongs to well cementing operation apparatus field, especially relates to a kind of for cased automatic grouting formula float collar of cementing the well.
Background technology
High-quality, efficiently setting of casing are the major issues that well cementing operation should be considered, whether the productivity effect entering to decide a bite well under the safety of each layer sleeve pipe and instrument even decides a bite well and can normally produce.In order to ensure the various tubing strings of G.I.H, the safety of instrument, keep hole stability, down-hole normal operation, must consider the internal and external pressure balance of tubing string, instrument and the problem of bore hole annulus mud upward velocity.The solution of current routine is: after completing to prevent well cementation, cement paste returns, casing part is equipped with float collar float plug, and conventional float collar float plug does not have automatic grouting function, must enter along with under sleeve pipe, artificial from well head to mud grouting in sleeve pipe, realize the dynamic equilibrium of sleeve pipe external and internal pressure; Generally enter 20 ~ 40 sleeve pipes under regulation and must fill a mud, in order to reduce the measure returning speed, can only be control lowering velocity, extending the setting of casing engineering time, and automatic grouting float collar float plug can make mud automatically flow into sleeve pipe, automatically realize the dynamic equilibrium of sleeve pipe external and internal pressure.
Summary of the invention
In view of this, the utility model is intended to propose a kind of automatic grouting formula float collar for cementing the well, and when casing job, mud enters sleeve pipe automatically, reduces setting of casing time, the at utmost impact force of reducing effect on stratum.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of automatic grouting formula float collar for cementing the well, comprise body, valve body, ball, spring and body of cement, described body is cylindrical, body upper part is provided with the box thread be connected with sleeve pipe, body lower part is provided with the male thread be connected with sleeve pipe, body of cement is provided with between described box thread and male thread, described body of cement is cylindrical, body of cement is fixed on body interior, valve body is provided with in the middle of described body of cement, described valve body is made up of valve head and valve rod, described valve rod lower end is provided with groove, ball is provided with in described groove, spring housing is provided with on valve rod between described groove and valve head.
Further, described body of cement is mixed formed by high grade cement, yellow sand, microlith, expansion agent, water reducing agent.
Further, the material of described ball is steel ball.
Further, described valve body is that phenolic resins is compressing.
Further, described valve body is ball-and-seat.
Further, the material of described spring is resistant material, and spring easily bores and removes.
Relative to prior art, a kind of automatic grouting formula float collar for cementing the well described in the utility model has following advantage: float collar is connected to casing string, when setting of casing, automatic grouting float collar, by being placed in groove by ball, makes ball be stuck on valve rod, spring can not be resetted, the top and the bottom of maintaining valve are communicated with, and so, just makes dynamic equilibrium inside and outside sleeve pipe, formed circulation, can fast under enter sleeve pipe; This float collar is simple to operate, transition temperature, more smooth and easy when making mud enter sleeve pipe, setting of casing speed can be accelerated to greatest extent, the at utmost impact force of reducing effect on stratum, use automatic grouting formula float collar can overcome the feature that artificial mud grouting is wasted time and energy, and being the needs that site safety is produced, carried out production strictly in line with rules and regulations, is also the needs of technological progress.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram described in the utility model embodiment.
Description of reference numerals:
1-body, 2-valve body, 21-valve rod, 22-valve head, 3-groove, 4-ball, 5-spring, 6-body of cement.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
In addition, a kind of automatic grouting formula float collar for cementing the well mentioned in embodiment of the present utility model, comprise body 1, valve body 2, ball 4, spring 5 and body of cement 6, described body 1 is cylindrical, body 1 top is provided with the box thread be connected with sleeve pipe, body 1 bottom is provided with the male thread be connected with sleeve pipe, body of cement 6 is provided with between described box thread and male thread, described body of cement 6 is cylindrical, it is inner that body of cement 6 is fixed on body 1, valve body 2 is provided with in the middle of described body of cement 6, described valve body 2 is made up of valve head 22 and valve rod 21, described valve rod 21 lower end is provided with groove 3, ball 4 is provided with in described groove 3, be provided with spring 5 between described groove 3 and valve head 22 to be enclosed within valve rod 21.
Described body of cement 6 is mixed formed by high grade cement, yellow sand, microlith, expansion agent, water reducing agent.
The material of described ball 4 is steel ball.
Described valve body 2 is that phenolic resins is compressing.
Described valve body 2 is ball-and-seat.
The material of described spring 5 is resistant materials.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Float collar body 1 is cylindrical, float collar body 1 bottom is provided with the male thread mated with sleeve pipe, body 1 top is provided with the box thread mated with sleeve pipe, body of cement 6 is by high strength cement ash, fine aggregate, water reducing agent, the mixing such as expansion agent is formed, body of cement 6 can be dry at short notice, and volume expansion after cement drying, became one with body 1 well, ensure that the intensity of cement can reach or exceed standard-required, resistance to pressure-bearing, effectively can fix valve head 22 and valve rod 21, the Main Function parts of automatic grouting float collar are valve head 22 and valve rod 21, valve rod 21 is processed with the groove 3 putting ball 4, when ball 4 sweeps away by flow from top to bottom, common float collar has just been become from grouting floating hoop, automatic grouting float collar is by being placed in groove 3 by ball 4, ball 4 is made to be stuck on valve rod 21, spring 5 can not be resetted, the top and the bottom of maintaining valve are communicated with, like this, valve body 2 is gone into the well in process at sleeve pipe, liquid in well also enters the sleeve pipe of more than float collar by valve body 2, make sleeve pipe internal and external pressure balance, when casing job, mud enters sleeve pipe automatically, reduce the setting of casing time, the at utmost impact force of reducing effect on stratum.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the automatic grouting formula float collar for cementing the well, it is characterized in that: comprise body, valve body, ball, spring and body of cement, described body is cylindrical, body upper part is provided with the box thread be connected with sleeve pipe, body lower part is provided with the male thread be connected with sleeve pipe, body of cement is provided with between described box thread and male thread, described body of cement is cylindrical, body of cement is fixed on body interior, valve body is provided with in the middle of described body of cement, described valve body is made up of valve head and valve rod, described valve rod lower end is provided with groove, ball is provided with in described groove, spring housing is provided with on valve rod between described groove and valve head.
2. a kind of automatic grouting formula float collar for cementing the well according to claim 1, is characterized in that: described body of cement is mixed formed by high grade cement, yellow sand, microlith, expansion agent, water reducing agent.
3. a kind of automatic grouting formula float collar for cementing the well according to claim 1, is characterized in that: the material of described ball is steel ball.
4. a kind of automatic grouting formula float collar for cementing the well according to claim 1, is characterized in that: described valve body is that phenolic resins is compressing.
5. a kind of automatic grouting formula float collar for cementing the well according to claim 1, is characterized in that: described valve body is ball-and-seat.
6. a kind of automatic grouting formula float collar for cementing the well according to claim 1, is characterized in that: the material of described spring is resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210760.5U CN204663470U (en) | 2015-04-08 | 2015-04-08 | A kind of automatic grouting formula float collar for cementing the well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210760.5U CN204663470U (en) | 2015-04-08 | 2015-04-08 | A kind of automatic grouting formula float collar for cementing the well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204663470U true CN204663470U (en) | 2015-09-23 |
Family
ID=54133862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520210760.5U Expired - Fee Related CN204663470U (en) | 2015-04-08 | 2015-04-08 | A kind of automatic grouting formula float collar for cementing the well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204663470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117266788A (en) * | 2023-11-22 | 2023-12-22 | 中国石油集团渤海钻探工程有限公司 | Erosion-resistant cement-filled floating shoe |
-
2015
- 2015-04-08 CN CN201520210760.5U patent/CN204663470U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117266788A (en) * | 2023-11-22 | 2023-12-22 | 中国石油集团渤海钻探工程有限公司 | Erosion-resistant cement-filled floating shoe |
| CN117266788B (en) * | 2023-11-22 | 2024-01-12 | 中国石油集团渤海钻探工程有限公司 | Erosion-resistant cement-filled floating shoe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |