CN208267835U - It is a kind of to bottom out school depth device for high angle hole perforation tubular column - Google Patents
It is a kind of to bottom out school depth device for high angle hole perforation tubular column Download PDFInfo
- Publication number
- CN208267835U CN208267835U CN201820721530.9U CN201820721530U CN208267835U CN 208267835 U CN208267835 U CN 208267835U CN 201820721530 U CN201820721530 U CN 201820721530U CN 208267835 U CN208267835 U CN 208267835U
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- high angle
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Abstract
The utility model belongs to petroleum oil well completion technical field, it discloses and a kind of bottoms out school depth device for high angle hole perforation tubular column, cylindrical body including top section, central section, compresses lower section can be divided into, top section diameter is less than tower section diameter, and the outside of central section is in slope surface connection top section and compresses lower section；Top connection buckle is provided at the top of cylindrical body, the bottom of cylindrical body is provided with guide-localization hole, guide-localization hole is made of positioning end face and guide ramp, and the diameter for positioning end face is greater than the diameter of blanking plug control-rod, and the outer rim of guide ramp is equipped with chamfering.The utility model is deep with school substitution electrical measurement school deeply is bottomed out, and the tripping in together with perforation open flow tubing string, easy to operate, while shortening the duration；High angle hole perforation+open flow tubing string integration is realized, reduces one time than the prior art and makes a trip and a reacting cycle kill-job, shorten the duration, reduce operating cost.
Description
Technical field
The utility model belongs to petroleum oil well completion technical field, in particular to a kind of apply in high angle hole perforation
In the process, the tool of tubing string school depth is carried out by bottoming out.
Background technique
As marine old filed is taped the latent power further deeply, marginal block gradually becomes the main force of volume increase.For save the cost,
High angle cased well, which is used as, utilizes existing platform resource, while developing the effective means of the multiple reservoirs of block farther out, is increasingly subject to
Pay attention to.High angle hole has hole deviation big, the characteristics of hold angle segment length, electrical measurement school depth mode used by conventional directional well, due to according to
By self gravity tripping in, exist can not under risk in place, be poorly suitable for the depth operation of high angle hole school.
High angle hole perforating job at present, especially hole angle are greater than 70 ° of high angle hole, and work flow is as follows:
1) drilling rod tripping in sump packer, electrical measurement school is deep, sets sump packer, pulls out of hole；
2) drilling rod tripping in and the matched blanking plug of sump packer, replace with perforating fluid for drilling fluid, pull out of hole；
3) drilling rod tripping in TCP perforation tubular column, well head, which connects to log well to bypass, carries out electrical measurement school depth, after the depth of school, for purpose of horizon
Perforation, reacting cycle kill-job pull out of hole；
4) drilling rod tripping in is equipped with the negative pressure open flow tubing string of " pressure drilling device ", open flow, and reacting cycle kill-job pulls out of hole.
When high angle hole perforation tubular column electrical measurement school depth, to prevent the decentralization of electrical measurement tool string not in place, generally connected in well head
Well logging bypass, electrical measurement tool string tail portion connection pumping connector, once be hampered can not transfer if turn on pump pump-down tool string in place, it is this
Operation needs perforation tubular column to have a circulation path, and negative pressure returns that gush open flow tubing string be not have circulation path.Therefore the prior art without
Method realizes that electrical measurement school depth perforation is integrated with open flow tubing string, increases the risk that reservoir is polluted by completion fluid.
Therefore, lack in the prior art it is a kind of applied to high angle hole perforation with it is reliable during open flow institutional operation
School depth device.
Utility model content
To be solved in the utility model is the skill for lacking the reliable school depth device suitable for high angle hole in the prior art
Art problem, and provide it is a kind of bottom out school depth device for high angle hole perforation tubular column, it is deep to can be realized new perforation tubular column school
Mode, while making perforation+open flow tubing string integration.
In order to solve the above-mentioned technical problem, the utility model is achieved by technical solution below:
It is a kind of to bottom out school depth device, including cylindrical body, the cylindrical body for high angle hole perforation tubular column
It is divided into top section, central section, compresses lower section, upper part segment diameters are less than tower section diameter, the outside of central section
Top section and compresses lower section are connected in slope surface；Top connection buckle is provided at the top of the cylindrical body；It is described cylindric
The bottom of main body is provided with guide-localization hole, and guide-localization hole is made of positioning end face and guide ramp.
Wherein, the diameter of the positioning end face is greater than the diameter of blanking plug control-rod.
Wherein, the outer rim of the guide ramp is equipped with chamfering.
The beneficial effects of the utility model are:
(1) the utility model is deep with school substitution electrical measurement school deeply is bottomed out, and the tripping in together with perforation open flow tubing string, operation letter
It is single, while shortening the duration；
(2) the utility model realizes high angle hole perforation+open flow tubing string integration, reduces one time than the prior art
It makes a trip and a reacting cycle kill-job, shortens the duration, reduce operating cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram provided by the utility model for bottoming out school depth device.
In figure: connection buckle, 2- position end face, 3- guide ramp at the top of 1-.
Specific embodiment
For the content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and cooperates attached drawing
Detailed description are as follows:
As shown in Figure 1, present embodiments provide it is a kind of bottom out school depth device for high angle hole perforation tubular column, bottom out school
Integrally cylindrical main body, the cylindrical body can be divided into top section, central section, compresses lower section, upper part area to deep device
Section diameter is less than tower section diameter, and the outside of central section is in slope surface, connects top section and compresses lower section with transition.
Connection buckle 1 at the top of the top setting internal thread of cylindrical body, top connection buckle 1 connect tubing string with top
Match.
The bottom of cylindrical body is provided with guide-localization hole, and guide-localization hole positions end face 2 and side by bottom end
Guide ramp 3 constitute, position end face 2 under top connection buckle 1 for solid cylinder.Positioning end face 2 is for connecing lower part
Contact portion part limit, so that suspending weight be made to change；Guide ramp 3 is used to be oriented to lower contacts component, makes lower contacts component
It can smoothly enter into guide-localization hole.
Positioning end face 2 is perpendicular to axial circle, and the diameter of positioning end face 2 is greater than the diameter of blanking plug control-rod, with
Just bottom work is carried out.The diameter for positioning end face 2 is less than the tower section diameter of cylindrical body, and positioning end face 2 and guiding are fixed
Position hole lower port is by 3 transition of guide ramp, therefore 3 base diameter of guide ramp is greater than top diameter.The outer rim of guide ramp 3
Equipped with chamfering, scraping internal surface of sleeve pipe is prevented.
School depth device is bottomed out for high angle hole perforation tubular column using the utility model, in tripping in sump packer
It after blanking plug, is connect with perforation open flow tubing string, tripping in shaft bottom, survey lifts from the top and puts down suspending weight, visits blanking plug with guide-localization hole
Control-rod, slowly decentralization bottoms out and records decentralization suspending weight, and slow upper lifting pipe post simultaneously records and above mentions suspending weight, and then upper lifting pipe post is to penetrating
Hole site, bottom out school terminates deeply.
The utility model is a kind of to bottom out school depth device for high angle hole perforation tubular column, and perforating job process is as follows:
1) drilling rod tripping in sump packer, electrical measurement school is deep, sets sump packer, pulls out of hole；
2) drilling rod tripping in and the matched blanking plug of sump packer, replace with perforating fluid for drilling fluid, pull out of hole；
3) drilling rod tripping in TCP perforation+negative pressure, which is returned, gushes open flow one-trip string, bottom be connected with the utility model bottom out school depth
Device, after bottoming out school depth, perforation, open flow, reacting cycle kill-job, trip-out.
As it can be seen that the utility model is deep with school substitution electrical measurement school deeply is bottomed out, and the tripping in together with perforation open flow tubing string, operation letter
It is single, while shortening the duration；High angle hole perforation+open flow tubing string integration is realized, reduces one time than the prior art and removes
Brill and a reacting cycle kill-job, shorten the duration, reduce operating cost.
Although being described above in conjunction with preferred embodiment of the attached drawing to the utility model, the utility model is not
It is confined to above-mentioned specific embodiment, the above mentioned embodiment is only schematical, is not restrictive, ability
The those of ordinary skill in domain is not departing from invention objective and scope of the claimed protection feelings under the enlightenment of the utility model
Under condition, the specific transformation of many forms can also be made, these are belonged within the protection scope of the utility model.
Claims (3)
1. a kind of bottom out school depth device for high angle hole perforation tubular column, which is characterized in that including cylindrical body, the circle
Columnar body is divided into top section, central section, compresses lower section, and upper part segment diameters are less than tower section diameter, middle region
The outside of section is in slope surface connection top section and compresses lower section；Top connection buckle is provided at the top of the cylindrical body；Institute
The bottom for stating cylindrical body is provided with guide-localization hole, and guide-localization hole is made of positioning end face and guide ramp.
2. a kind of school depth device is bottomed out for high angle hole perforation tubular column according to claim 1, which is characterized in that institute
The diameter for stating positioning end face is greater than the diameter of blanking plug control-rod.
3. a kind of school depth device is bottomed out for high angle hole perforation tubular column according to claim 1, which is characterized in that institute
The outer rim for stating guide ramp is equipped with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721530.9U CN208267835U (en) | 2018-05-15 | 2018-05-15 | It is a kind of to bottom out school depth device for high angle hole perforation tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721530.9U CN208267835U (en) | 2018-05-15 | 2018-05-15 | It is a kind of to bottom out school depth device for high angle hole perforation tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267835U true CN208267835U (en) | 2018-12-21 |
Family
ID=64682756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820721530.9U Expired - Fee Related CN208267835U (en) | 2018-05-15 | 2018-05-15 | It is a kind of to bottom out school depth device for high angle hole perforation tubular column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208267835U (en) |
-
2018
- 2018-05-15 CN CN201820721530.9U patent/CN208267835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181221 |