CN112097999A - Pressure testing device for float collar and float shoe - Google Patents
Pressure testing device for float collar and float shoe Download PDFInfo
- Publication number
- CN112097999A CN112097999A CN201910528688.3A CN201910528688A CN112097999A CN 112097999 A CN112097999 A CN 112097999A CN 201910528688 A CN201910528688 A CN 201910528688A CN 112097999 A CN112097999 A CN 112097999A
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- float
- pressure test
- base
- shoe
- collar
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a pressure test device for a float collar and a float shoe, which comprises a base, an upright post, a pressing device and a sealing disc. Wherein, the stand is arranged on the base, and closing device arranges the tip of keeping away from the base on the stand. The sealing disc can form interference fit with the inner hole of the float collar or the float shoe, and the pressing device can form fit with the sealing disc. The sealing disc is provided with a pressurizing nozzle which can be communicated with a pressure test pipeline. The pressure testing device for the float collar and the float shoe provided by the invention can avoid damage to the threads of the float collar and the float shoe during threaded connection pressure testing, and has good universality.
Description
Technical Field
The invention belongs to the technical field of pressure test devices of well cementing tools, and particularly relates to a pressure test device for float collars and float shoes.
Background
The float collar and the float shoe are two common well cementing tools, have important function in liner cementing, and have the function of bearing reverse bottom hole pressure after the well cementing is finished so as to prevent cement slurry from returning into a casing. In order to ensure the qualified rate and the normal on-site action of products, the floating hoops and the floating shoes need to be tested and detected before leaving the factory, and the whole machine is qualified without leakage.
The existing pressure test method is to screw the end socket and the threads on the float collar or the float shoe, and inject pressure test medium from the end socket for pressure test. This method has the following disadvantages: the threads on the float collar or the float shoe are affected by the tightening force with the end socket, the pulling force generated during pressure test and human error operation, so that the threads are damaged and deformed; different pressure test end sockets need to be processed for floating hoops and floating shoes with the same specification but different buckling types, so that the processing cost is increased, and especially for special threads of non-API standards such as VAM, TP-CQ, Tiger and the like, the processing cost of a single thread needs thousands or even tens of thousands of yuan.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pressure testing device for floating hoops and floating shoes, which can avoid the damage to the floating hoops and the floating shoes during the threaded connection pressure testing and has good universality.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a pressure test device for float collar and float shoe is composed of base, vertical column, pressing unit and sealing disk. Wherein, the stand is arranged on the base, and closing device arranges the tip of keeping away from the base on the stand. The sealing disc can form interference fit with the inner hole of the float collar or the float shoe, and the pressing device can form fit with the sealing disc. The sealing disc is provided with a pressurizing nozzle which can be communicated with a pressure test pipeline.
According to the pressure test device for the floating hoop and the floating shoe, the sealing disc is arranged in an interference fit mode with the inner hole of the floating hoop or the floating shoe, the floating hoop or the floating shoe is placed on the base, the floating hoop and the floating shoe are tightly pressed and fixed through the pressing device at the top end of the upright post, and the pressure test pump communicated with the pressure test pipeline is used for performing pressure test as the pressure nozzle on the sealing disc is communicated with the pressure test pipeline. The end socket with threads does not need to be processed in the whole pressure test process, and threaded connection between the end socket and the float collar or the float shoe does not need to be used, so that the damage to the threads on the float collar or the float shoe during the pressure test of the threaded connection is completely avoided. In addition, the pressure test requirements of the floating hoops and the floating shoes with different sizes and specifications and various button shapes have good universality, and only the sealing disc needs to be replaced, so that the operation cost can be greatly reduced, and the production period can be shortened.
With respect to the above technical solution, further improvements as described below can be made.
In a preferred embodiment, the pressure testing device for the float collar and the float shoe comprises a rail, a sliding plate and an adjustable fastener. Wherein, stand symmetrical arrangement is in the four corners of base, and the track is arranged in the position of being close to the tip of keeping away from the base on the stand to wherein one end of track extends towards the direction of keeping away from the stand. The slide plate can slide along the track. An adjustable fastener can be engaged with the sealing disk through the slide plate.
In the invention, the pressing device is set to be in a matching form of the sliding plate and the sliding rail and in a structural form of the adjustable fastener, so that the floating hoop or the floating shoe can be conveniently mounted or dismounted in the test process, and therefore, the labor intensity of the whole pressure test process is lower and the efficiency is higher.
Further, in a preferred embodiment, the upright post is provided with a slot for fixing the rail.
The structure that the rail is clamped on the stand through the clamping groove can enable the whole pressure testing device to be simple in structure and convenient to assemble.
Further, in a preferred embodiment, the sliding plate is provided with a step surface on the periphery, and the step surface can be embedded into the clamping groove. The bottom of the sliding plate is provided with wheels.
Through setting up step surface structure, can ensure the slide spacing at the slip in-process to because the step can imbed in the draw-in groove, consequently can guarantee that closing device whole closing device stable in structure is reliable when exerting pressure to sealed dish. The wheels are arranged at the bottom of the sliding plate, so that the sliding plate can slide smoothly along the rail.
In particular, in a preferred embodiment, the adjustable fastener comprises a threaded rod, the slide plate is centrally provided with a threaded hole through which the threaded rod can pass to form a fit with the sealing disc.
The size of the fastener is adjusted through the matching form of the screw rod and the threaded hole, so that the whole pressure testing device is more suitable for float hoops and float shoes of various specifications, and the applicability of the pressure testing device is further improved.
In particular, in a preferred embodiment, the track comprises symmetrically arranged cross beams along which the runners slide and longitudinal beams connecting the cross beams.
The track with the structure is simple in structure, the cross beams are connected with each other through the main beam, and the structural strength of the whole track can be improved.
Further, in a preferred embodiment, both ends of the rail are provided with a limiting block.
Through set up the stopper at track both ends, can avoid slide roll-off track and cause the incident, in addition, can also increase the stability of being connected between track and the stand.
Further, in a preferred embodiment, reinforcing ribs are provided between the pillars.
The structural strength of the whole pressure testing device can be increased by arranging the reinforcing ribs between the stand columns.
Further, in a preferred embodiment, the end part of the upright column close to the base is provided with a cylindrical step, and the base is provided with a mounting hole capable of forming an interference fit with the cylindrical step.
The cylindrical step and the mounting hole are matched in an assembling mode, so that the stand column and the base can be simply, stably and reliably assembled and connected.
Further, in another preferred embodiment, the upright post is fixed with the base by means of screw connection.
The threaded connection mode is adopted, so that the stand column and the base can be simply, stably and reliably assembled and connected.
Compared with the prior art, the invention has the advantages that: the damage to the threads of the float collar and the float shoe during threaded connection pressure testing can be avoided, and the universality is good.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 schematically shows an operating state of a pressure testing device for a float collar and a float shoe according to an embodiment of the present invention;
fig. 2 schematically shows the overall structure of a pressure testing device for float collars and float shoes according to an embodiment of the present invention;
fig. 3 schematically shows a partial structure of a pressure testing device for float collars and float shoes according to an embodiment of the present invention;
FIG. 4 schematically shows the overall structure of a column of an embodiment of the invention;
fig. 5 schematically shows the overall structure of the slide board according to the embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be further explained in detail with reference to the figures and the embodiments without thereby limiting the scope of protection of the invention.
Fig. 1 schematically shows an operating state of a pressure testing device 10 for float collars and float shoes according to an embodiment of the present invention. Fig. 2 schematically shows the overall structure of the pressure testing device 10 for float collars and float shoes according to the embodiment of the present invention. Fig. 3 schematically shows a partial structure of a pressure test device 10 for float collars and float shoes according to an embodiment of the present invention. Fig. 4 schematically shows the overall structure of the pillar 2 of the embodiment of the present invention. Fig. 5 schematically shows the overall structure of the slide plate 32 of the embodiment of the present invention.
As shown in fig. 1 to 3, a pressure testing device 10 for float collars and float shoes according to an embodiment of the present invention includes a base 1, a column 2, a pressing device 3, and a sealing plate 4. Wherein the upright 2 is arranged on the base 1 and the hold-down device 3 is arranged on the end of the upright 2 remote from the base 1. The sealing disc 4 can form interference fit with the inner hole of the float collar or the float shoe, and the pressing device 3 can form fit with the sealing disc 4. The seal disk 4 is provided with a pressurizing nozzle 41 which can communicate with a pressure test line. According to the pressure test device for the floating hoop and the floating shoe, which is disclosed by the embodiment of the invention, the sealing disc is arranged in an interference fit manner with the inner hole of the floating hoop or the floating shoe, the floating hoop or the floating shoe is placed on the base, the floating hoop and the floating shoe are tightly pressed and fixed through the pressing device at the top end of the upright post, and the pressure test is carried out by using the pressure test pump communicated with the pressure test pipeline as the pressure nozzle on the sealing disc is communicated with the pressure test pipeline. The end socket with threads does not need to be processed in the whole pressure test process, and threaded connection between the end socket and the float collar or the float shoe does not need to be used, so that the damage to the threads on the float collar or the float shoe during the pressure test of the threaded connection is completely avoided. In addition, the pressure test requirements of the floating hoops and the floating shoes with different sizes and specifications and various button shapes have good universality, and only the sealing disc needs to be replaced, so that the operation cost can be greatly reduced, and the production period can be shortened. Specifically, in this embodiment, base 1 is rectangle plate structure, and base 1 center is equipped with the mounting groove 11 that is used for fixed float collar, float shoe to can make things convenient for the hoist and mount location of pressure testing in-process float collar, float shoe.
The pressure testing device 10 for float collars and float shoes according to the embodiment of the present invention preferably includes, as shown in fig. 1 and 2, a rail 31, a slide plate 32, and an adjustable fastener 33. Wherein, stand 2 symmetrical arrangement is in the four corners of base 1, and track 31 is arranged in the position of being close to the tip of keeping away from base 1 on stand 2 to one of them one end of track 31 extends towards the direction of keeping away from stand 2. The slide 32 is capable of sliding along the rail 31. The adjustable fastener 33 can be brought into engagement with the sealing plate 4 through the slide plate 31. In the embodiment of the invention, the pressing device is set to be in a matching mode of the sliding plate and the sliding rail and a structural mode of the adjustable fastener, so that the floating hoop or the floating shoe can be conveniently mounted or dismounted in the test process, and the labor intensity and the efficiency of the whole pressure test process are lower.
As shown in fig. 1, 2 and 5, in particular, in the present embodiment, the adjustable fastener 33 includes a screw 331, the slide plate 32 is centrally provided with a threaded hole 321, and the screw 331 can pass through the threaded hole 321 to form a fit with the sealing disk 4. The size of the fastener is adjusted through the matching form of the screw rod and the threaded hole, so that the whole pressure testing device is more suitable for float hoops and float shoes of various specifications, and the applicability of the pressure testing device is further improved.
Preferably, in the present embodiment, as shown in fig. 3 and 4, the upright 2 is a cylindrical structure, and the upright 2 is provided with a slot 21 for fixing the rail 31. The structure that the rail is clamped on the stand through the clamping groove can enable the whole pressure testing device to be simple in structure and convenient to assemble. Further, in the present embodiment, reinforcing ribs 22 are provided between the pillars. The structural strength of the whole pressure testing device can be increased by arranging the reinforcing ribs between the stand columns. Specifically, in this embodiment, a cylindrical step 23 is provided at an end portion of the column 2 close to the base 1, and the base 1 is provided with a mounting hole capable of forming an interference fit with the cylindrical step. The cylindrical step and the mounting hole are matched in an assembling mode, so that the stand column and the base can be simply, stably and reliably assembled and connected. Further, in another embodiment, not shown, the upright 2 is fixed to the base 1 by means of a threaded connection. The threaded connection mode is adopted, so that the stand column and the base can be simply, stably and reliably assembled and connected.
As shown in fig. 5, in the present embodiment, the sliding plate 32 is preferably a rectangular plate structure, the sliding plate 32 is provided with a step surface 322 on the periphery, and the step surface 322 can be inserted into the card slot 21. The bottom of the slide 32 is provided with wheels 34. Through setting up step face structure, can ensure the slide spacing at the slip in-process to because the step face can imbed in the draw-in groove, consequently can guarantee that closing device whole closing device stable in structure is reliable when exerting pressure to sealed dish. The wheels are arranged at the bottom of the sliding plate, so that the sliding plate can slide smoothly along the rail.
Specifically, in the present embodiment, as shown in fig. 3, the rail 31 includes a cross beam 311 and a longitudinal beam 312 connecting the cross beam 311, which are symmetrically arranged, and the slide plate 32 slides along the cross beam 311. The track with the structure is simple in structure, the cross beams are connected with each other through the main beam, and the structural strength of the whole track can be improved. Further, in this embodiment, both ends of the rail 31 are provided with the stoppers 313. Through set up the stopper at track both ends, can avoid slide roll-off track and cause the incident, in addition, can also increase the stability of being connected between track and the stand.
As shown in fig. 1, the pressure testing device for float collars and float shoes according to the embodiment of the present invention specifically operates as follows:
when the whole pressure test of the float collar or the float shoe is carried out, the sealing disc 4 is firstly pressed into the inner hole of the float collar or the float shoe 5, and the sealing disc 4 and the inner hole of the float collar or the float shoe 5 are sealed through the sealing ring. The sealing plate 4 is provided with a pressure nozzle 41. The float collar or the float shoe 5 is hoisted to the center of the base 1 of the pressure test device 10, the pressurizing nozzle 41 is connected with the pressure test pipeline 6, the sliding plate 32 slides to the limiting block 313 from the outer side of the track 31 to the inner side, and the step surface 322 of the sliding plate 32 is clamped on the clamping groove 21 of the upright post 2 at the moment. And (3) rotating the lead screw 331 clockwise to enable the lead screw 331 to prop against the sealing disc 4, and finally performing pressurization test by using a pressure test pump.
According to the embodiment, the pressure test device for the floating hoops and the floating shoes can avoid damage to the floating hoops and the floating shoes during threaded connection pressure test, and is good in universality.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A pressure test device for float collars and float shoes is characterized by comprising a base, a stand column, a pressing device and a sealing disc; wherein,
the upright post is arranged on the base, and the pressing device is arranged on the end part, far away from the base, of the upright post;
the sealing disc can form interference fit with an inner hole of the float collar or the float shoe, and the pressing device can form fit with the sealing disc;
and the sealing disc is provided with a pressurizing nozzle which can be communicated with a pressure test pipeline.
2. The pressure testing device for float collars and float shoes according to claim 1, characterized in that the pressing device comprises a rail, a slide plate and an adjustable fastener; wherein,
the upright posts are symmetrically arranged at four corners of the base, the tracks are arranged at positions close to the end parts, far away from the base, of the upright posts, and one ends of the tracks extend towards the direction far away from the upright posts;
the sliding plate can slide along the track;
the adjustable fastener can form a fit with the sealing disk through the slide plate.
3. The pressure test device for the float collar and the float shoe as claimed in claim 2, wherein the upright post is provided with a slot for fixing the rail.
4. The pressure test device for the float collar and the float shoe as claimed in claim 3, wherein a step surface is arranged around the slide plate, and the step surface can be embedded into the clamping groove;
the bottom of the sliding plate is provided with wheels.
5. The pressure test device for the float collar and the float shoe as claimed in any one of claims 2 to 4, wherein the adjustable fastener comprises a screw rod, the slide plate is centrally provided with a threaded hole, and the screw rod can pass through the threaded hole to form fit with the sealing disc.
6. The pressure test device for the float collar and the float shoe as claimed in any one of claims 2 to 5, wherein the rail comprises symmetrically arranged cross beams and longitudinal beams connecting the cross beams, and the sliding plate slides along the cross beams.
7. The pressure test device for the float collar and the float shoe as claimed in any one of claims 2 to 6, wherein two ends of the rail are provided with limit blocks.
8. The pressure test device for the float collar and the float shoe as claimed in any one of claims 1 to 7, wherein a reinforcing rib is provided between the columns.
9. The pressure test device for the float collar and the float shoe as claimed in any one of claims 1 to 7, wherein the end of the column near the base is provided with a cylindrical step, and the base is provided with a mounting hole capable of forming an interference fit with the cylindrical step.
10. The pressure test device for the float collar and the float shoe as claimed in any one of claims 1 to 7, wherein the upright post is fixed with the base by means of screw thread connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528688.3A CN112097999B (en) | 2019-06-18 | 2019-06-18 | Pressure testing device for float collar and float shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528688.3A CN112097999B (en) | 2019-06-18 | 2019-06-18 | Pressure testing device for float collar and float shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112097999A true CN112097999A (en) | 2020-12-18 |
| CN112097999B CN112097999B (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910528688.3A Active CN112097999B (en) | 2019-06-18 | 2019-06-18 | Pressure testing device for float collar and float shoe |
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| Country | Link |
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| CN (1) | CN112097999B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110036570A1 (en) * | 2009-08-14 | 2011-02-17 | La Rovere Thomas A | Method and apparatus for well casing shoe seal |
| CN103308260A (en) * | 2012-03-08 | 2013-09-18 | 中国石油化工股份有限公司 | Pressure bearing detection device and method of one-way valve |
| CN103592145A (en) * | 2013-10-30 | 2014-02-19 | 濮阳中石集团有限公司 | Pressure test device of hydraulic cementing tool and working method |
| CN206348134U (en) * | 2016-12-06 | 2017-07-21 | 山东祺龙海洋石油钢管股份有限公司 | Float shoe valve element pressure testing device |
| CN107121340A (en) * | 2016-02-25 | 2017-09-01 | 中国石油化工股份有限公司 | Reverse pressure testing device for check valve |
| CN207487906U (en) * | 2017-12-07 | 2018-06-12 | 江苏海祥消防科技有限公司 | A kind of pressure testing device |
| CN208476526U (en) * | 2018-06-21 | 2019-02-05 | 重庆金维实业有限责任公司 | A kind of value pressure test tooling |
-
2019
- 2019-06-18 CN CN201910528688.3A patent/CN112097999B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110036570A1 (en) * | 2009-08-14 | 2011-02-17 | La Rovere Thomas A | Method and apparatus for well casing shoe seal |
| CN103308260A (en) * | 2012-03-08 | 2013-09-18 | 中国石油化工股份有限公司 | Pressure bearing detection device and method of one-way valve |
| CN103592145A (en) * | 2013-10-30 | 2014-02-19 | 濮阳中石集团有限公司 | Pressure test device of hydraulic cementing tool and working method |
| CN107121340A (en) * | 2016-02-25 | 2017-09-01 | 中国石油化工股份有限公司 | Reverse pressure testing device for check valve |
| CN206348134U (en) * | 2016-12-06 | 2017-07-21 | 山东祺龙海洋石油钢管股份有限公司 | Float shoe valve element pressure testing device |
| CN207487906U (en) * | 2017-12-07 | 2018-06-12 | 江苏海祥消防科技有限公司 | A kind of pressure testing device |
| CN208476526U (en) * | 2018-06-21 | 2019-02-05 | 重庆金维实业有限责任公司 | A kind of value pressure test tooling |
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| Publication number | Publication date |
|---|---|
| CN112097999B (en) | 2022-11-25 |
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