CN204002680U - A kind of full-bore ball seat - Google Patents
A kind of full-bore ball seat Download PDFInfo
- Publication number
- CN204002680U CN204002680U CN201420394262.6U CN201420394262U CN204002680U CN 204002680 U CN204002680 U CN 204002680U CN 201420394262 U CN201420394262 U CN 201420394262U CN 204002680 U CN204002680 U CN 204002680U
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- loop configuration
- ball seat
- full
- spliced
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of full-bore ball seat, it comprises: spheroid; Tubular body, it comprises the first pipeline section, the second pipeline section and the 3rd pipeline section, wherein, the internal diameter of the second pipeline section and the 3rd pipeline section is all large than the internal diameter of the first pipeline section; Supporting member, it comprises the first loop configuration being spliced by multiple the first arch sections, each the first arch section support portion that extends internally out, described support portion supporting sephere, described the first loop configuration is mounted slidably in described the first pipeline section; And shearing ring, its bottom is fixed to the 3rd pipeline section by shear pin, and described the first loop configuration is supported in upper end; Wherein, spheroid moves down while causing described shear pin fracture, the first loop configuration slides into described the second pipeline section, and multiple the first arch sections are separated from one another, and the inwall of the first pipeline section, the first arch section and shearing ring is connected each other and is positioned on the same face of cylinder.Full-bore ball seat operating pressure described in the utility model is little, has larger promotional value.
Description
Technical field
The utility model relates to a kind of petroleum oil well completion instrument, relates in particular to a kind of full-bore ball seat.
Background technology
In petroleum oil well completion field, relate to a lot of completion tools, such as various packer, float collar and full-bore ball seat.Wherein, the principle of described full-bore ball seat is by imposing on the certain force value of ball seat interior spheroid, make circulation in whole ball seat pipe, for existing full-bore ball seat, its braced structures for supporting sephere often because design unreasonable and in spheroid is fallen into well along with spheroid falls into well in the lump, not only affected follow-up completion sequence, also made the reliability of whole ball seat reduce, the operating pressure of ball seat is large.
Utility model content
The utility model is to overcome the above problems to have designed and developed a kind of novel full-bore ball seat, this ball seat has distinct structure design for traditional full-bore ball seat, not only reduce greatly the operating pressure of whole ball seat, and be identical with the internal diameter of carrying tubing string after in spheroid is fallen into well, greatly facilitate being lowered to smoothly of the instruments such as blanking plug.
The technical scheme that the utility model provides is:
A kind of full-bore ball seat, it comprises:
Spheroid;
Tubular body, it comprises the first pipeline section, the second pipeline section and the 3rd pipeline section, wherein, the internal diameter of described the second pipeline section and described the 3rd pipeline section is all large than the internal diameter of described the first pipeline section;
Supporting member, it comprises the first loop configuration being spliced by multiple the first arch sections, each the first arch section support portion that extends internally out, described spheroid is supported in described support portion, and described the first loop configuration is mounted slidably in described the first pipeline section; And
Shearing ring, its bottom is fixed to described the 3rd pipeline section by shear pin, and described the first loop configuration is supported in upper end;
Wherein, described spheroid moves down while causing described shear pin fracture, described the first loop configuration slides into described the second pipeline section, multiple the first arch sections are separated from one another, and the inwall of described the first pipeline section, described the first arch section and described shearing ring is connected each other and is positioned on the same face of cylinder.
Preferably, described supporting member also comprises the second loop configuration being spliced by multiple the second arch sections and connects the connecting portion of described the first loop configuration and described the second loop configuration, wherein, described the second loop configuration is slidably disposed on described the second pipeline section; Described the second loop configuration is between described the second pipeline section and the upper end of described shearing ring, conflicts to the lower surface of described connecting portion in the upper end of described shearing ring; Described tubular body also comprises the 4th pipeline section being arranged between described the second pipeline section and described the 3rd pipeline section, and the internal diameter of described the 4th pipeline section is larger than the internal diameter of described the second pipeline section; Wherein, described spheroid moves down while causing described shear pin fracture, and described the second loop configuration slides into described the 4th pipeline section, and multiple the second arch sections are separated from one another.
Preferably, all support portions are spliced into a support ring.
Preferably, described tubular body is made up of top connection and lower contact, and the bottom of described top connection is plugged to the upper end of described lower contact.
Preferably, described top connection and described lower contact are fixed by screw, and
The outside lower edge position of described top connection is provided with recess, is provided with sealing ring to realize the sealing between described lower contact in described recess.
Preferably, described the first loop configuration being spliced by multiple the first arch sections is being provided with black box with the position of described the first pipeline section laminating.
Preferably, each first arch section of described the first loop configuration extend internally out the first support portion and the second support portion, described the first support portion and the second support portion are up and down and distribute in described the first loop configuration, and
All the first support portions and all the second support portions are all spliced into a support ring.
The internal diameter of the support ring preferably, being spliced into by all the first support portions is greater than the internal diameter of the support ring being spliced into by all the second support portions.
Full-bore ball seat described in the utility model is by well designing the inner tubal wall at top connection and lower contact place, making supporting mechanism for supporting ball seat spheroid can in the time that spheroid falls into well, can not follow spheroid falls into well and has affected the operation of follow-up completion, this supporting mechanism has distinct design organization for traditional full-bore ball seat simultaneously, when reliability increases, also reduce the operating pressure of ball seat, the more important thing is, full-bore ball seat described in the utility model internal diameter after spheroid drops is also consistent with the internal diameter of outer carrier pipe post, greatly facilitate being lowered to smoothly of other completion tools.
Brief description of the drawings
Fig. 1 is the structural representation of full-bore ball seat described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to manual word.
As shown in Figure 1, the utility model provides a kind of full-bore ball seat, and it comprises: spheroid 1; Tubular body, it comprises the first pipeline section 2, the second pipeline section 3 and the 3rd pipeline section 4, wherein, the internal diameter of described the second pipeline section and described the 3rd pipeline section is all large than the internal diameter of described the first pipeline section; Supporting member, it comprises the first loop configuration 5 being spliced by multiple the first arch sections, each the first arch section support portion that extends internally out, described spheroid is supported in described support portion, and described the first loop configuration is mounted slidably in described the first pipeline section; And shearing ring 6, its bottom is fixed to described the 3rd pipeline section by shear pin 7, and described the first loop configuration is supported in upper end; Wherein, described spheroid moves down while causing described shear pin fracture, described the first loop configuration slides into described the second pipeline section, multiple the first arch sections are separated from one another, and the inwall of described the first pipeline section, described the first arch section and described shearing ring is connected each other and is positioned on the same face of cylinder.Here,, in the time that spheroid moves down, the inwall of the first pipeline section 2, the first arch section and shearing ring 6 is connected each other for and is positioned on the same face of cylinder is one of unique distinction of the designed full-bore ball seat of the utility model.
Be further, described supporting member also comprises the second loop configuration 8 being spliced by multiple the second arch sections and the connecting portion 9 that connects described the first loop configuration 5 and described the second loop configuration 8, wherein, described the second loop configuration 8 is slidably disposed on described the second pipeline section 3; Described the second loop configuration is between described the second pipeline section and the upper end of described shearing ring, conflicts to the lower surface of described connecting portion in the upper end of described shearing ring; Described tubular body also comprises the 4th pipeline section 10 being arranged between described the second pipeline section and described the 3rd pipeline section, and the internal diameter of described the 4th pipeline section is larger than the internal diameter of described the second pipeline section; Wherein, described spheroid moves down while causing described shear pin fracture, and described the second loop configuration slides into described the 4th pipeline section, and multiple the second arch sections are separated from one another.Here, in the time that spheroid moves down, the first loop configuration 5 in supporting member slides into described the second pipeline section 3, the second loop configuration 8 and slides into described the 4th pipeline section 10, be the designed full-bore ball seat of the utility model unique distinction two.
As the above analysis, in the utility model, all support portions are spliced into a support ring, and in the time that spheroid moves down, support ring is softened, are equivalent to multiple the first arch sections and multiple the second arch section is all separated from one another.Here, referring to Fig. 1, each first arch section of described the first loop configuration extend internally out the first support portion 11 and the second support portion 12, described the first support portion and the second support portion are up and down and distribute in described the first loop configuration, and all the first support portions and all the second support portions are all spliced into a support ring., from Fig. 1, can also see, the internal diameter of the support ring being spliced into by all the first support portions is greater than the internal diameter of the support ring being spliced into by all the second support portions meanwhile.
Referring to Fig. 1, in the utility model, described tubular body is made up of top connection 13 and lower contact 14, and the bottom of described top connection is plugged to the upper end of described lower contact.Meanwhile, fixing by screw 15 between described top connection and described lower contact.The outside lower edge position of described top connection is provided with recess, is provided with sealing ring 16 to realize the sealing between described lower contact in described recess.
Further, described the first loop configuration being spliced by multiple the first arch sections is being provided with black box 17 with the position of described the first pipeline section laminating.
Full-bore ball seat described in the utility model is by well designing the inner tubal wall at top connection and lower contact place, making supporting mechanism for supporting ball seat spheroid can in the time that spheroid falls into well, can not follow spheroid falls into well and has affected the operation of follow-up completion, this supporting mechanism has distinct design organization for traditional full-bore ball seat simultaneously, when reliability increases, also reduce the operating pressure of ball seat, the more important thing is, full-bore ball seat described in the utility model internal diameter after spheroid drops is also consistent with the internal diameter of outer carrier pipe post, greatly facilitate being lowered to smoothly of other completion tools.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in manual and embodiment, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (8)
1. a full-bore ball seat, is characterized in that, comprising:
Spheroid;
Tubular body, it comprises the first pipeline section, the second pipeline section and the 3rd pipeline section, wherein, the internal diameter of described the second pipeline section and described the 3rd pipeline section is all large than the internal diameter of described the first pipeline section;
Supporting member, it comprises the first loop configuration being spliced by multiple the first arch sections, each the first arch section support portion that extends internally out, described spheroid is supported in described support portion, and described the first loop configuration is mounted slidably in described the first pipeline section; And
Shearing ring, its bottom is fixed to described the 3rd pipeline section by shear pin, and described the first loop configuration is supported in upper end;
Wherein, described spheroid moves down while causing described shear pin fracture, described the first loop configuration slides into described the second pipeline section, multiple the first arch sections are separated from one another, and the inwall of described the first pipeline section, described the first arch section and described shearing ring is connected each other and is positioned on the same face of cylinder.
2. full-bore ball seat as claimed in claim 1, it is characterized in that, described supporting member also comprises the second loop configuration being spliced by multiple the second arch sections and connects the connecting portion of described the first loop configuration and described the second loop configuration, wherein, described the second loop configuration is slidably disposed on described the second pipeline section; Described the second loop configuration is between described the second pipeline section and the upper end of described shearing ring, conflicts to the lower surface of described connecting portion in the upper end of described shearing ring; Described tubular body also comprises the 4th pipeline section being arranged between described the second pipeline section and described the 3rd pipeline section, and the internal diameter of described the 4th pipeline section is larger than the internal diameter of described the second pipeline section; Wherein, described spheroid moves down while causing described shear pin fracture, and described the second loop configuration slides into described the 4th pipeline section, and multiple the second arch sections are separated from one another.
3. full-bore ball seat as claimed in claim 1, is characterized in that, all support portions are spliced into a support ring.
4. full-bore ball seat as claimed in claim 1, is characterized in that, described tubular body is made up of top connection and lower contact, and the bottom of described top connection is plugged to the upper end of described lower contact.
5. full-bore ball seat as claimed in claim 4, is characterized in that, described top connection and described lower contact are fixed by screw, and
The outside lower edge position of described top connection is provided with recess, is provided with sealing ring to realize the sealing between described lower contact in described recess.
6. full-bore ball seat as claimed in claim 1, is characterized in that, described the first loop configuration being spliced by multiple the first arch sections is being provided with black box with the position of described the first pipeline section laminating.
7. the full-bore ball seat as described in claim 1 or 3, it is characterized in that, each first arch section of described the first loop configuration extend internally out the first support portion and the second support portion, described the first support portion and the second support portion are up and down and distribute in described the first loop configuration, and
All the first support portions and all the second support portions are all spliced into a support ring.
8. full-bore ball seat as claimed in claim 7, is characterized in that, the internal diameter of the support ring being spliced into by all the first support portions is greater than the internal diameter of the support ring being spliced into by all the second support portions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420394262.6U CN204002680U (en) | 2014-07-16 | 2014-07-16 | A kind of full-bore ball seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420394262.6U CN204002680U (en) | 2014-07-16 | 2014-07-16 | A kind of full-bore ball seat |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204002680U true CN204002680U (en) | 2014-12-10 |
Family
ID=52042700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420394262.6U Active CN204002680U (en) | 2014-07-16 | 2014-07-16 | A kind of full-bore ball seat |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204002680U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105840163A (en) * | 2015-01-15 | 2016-08-10 | 深圳市百勤石油技术有限公司 | Ball seat assembly and ball-pitching sliding sleeve type fracturing device |
CN109611055A (en) * | 2018-12-07 | 2019-04-12 | 柳江 | A kind of passive solvable bridge plug of disintegration formula |
-
2014
- 2014-07-16 CN CN201420394262.6U patent/CN204002680U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105840163A (en) * | 2015-01-15 | 2016-08-10 | 深圳市百勤石油技术有限公司 | Ball seat assembly and ball-pitching sliding sleeve type fracturing device |
CN105840163B (en) * | 2015-01-15 | 2019-03-12 | 深圳市百勤石油技术有限公司 | Ball seat component and pitching sliding sleeve fracturing device |
CN109611055A (en) * | 2018-12-07 | 2019-04-12 | 柳江 | A kind of passive solvable bridge plug of disintegration formula |
CN109611055B (en) * | 2018-12-07 | 2021-05-18 | 山东兆鑫石油工具有限公司 | Passive disintegration type soluble bridge plug |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104343417B (en) | A kind of six aperture switching sliding sleeves | |
CN203403872U (en) | Multistage fracturing well completion sliding sleeve device | |
CN204002680U (en) | A kind of full-bore ball seat | |
CN204200202U (en) | A kind of Limited entry fracturing sliding sleeve | |
CN201723198U (en) | Two-way opening pressure differential sliding sleeve | |
CN203463069U (en) | Mechanical hydraulic type switchable fracturing slide sleeve | |
CN204200162U (en) | A kind of compression packer passing through optical fiber | |
CN204899838U (en) | Compound bridging plug of ball cage | |
CN104405331B (en) | A kind of ocean deepwater well tubing packer | |
CN203891815U (en) | Creep compensator | |
CN204140014U (en) | A kind of K344 type packer with twin-stage packing units | |
CN203822217U (en) | Internal circulating hole concealed type reverse circulation valve | |
CN201953351U (en) | Sliding sleeve oil drainage device | |
CN102628347A (en) | Compound collision pressure device of tail pipe well cementation rubber plug | |
CN203321508U (en) | Oil well casing pipe leakage searching tool | |
CN204252918U (en) | A kind of wellhead for production | |
CN204002684U (en) | A kind of inflatable packer | |
CN105464615B (en) | Deepwater wells parallel double tube packer | |
CN204200173U (en) | A kind of six aperture switching sliding sleeves | |
CN204283317U (en) | A kind of ocean deepwater well tubing packer | |
CN201756945U (en) | Ball-type expansion sealing tubing bridge plug | |
CN104265238B (en) | From grouting sleeve float collar rotary steering guide shoe | |
CN202810821U (en) | Gas and sand anchor device | |
CN202284462U (en) | Uniform steam injection bleeder for horizontal well | |
CN109372464A (en) | Packer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |