CN204299532U - Packer blanking plug - Google Patents
Packer blanking plug Download PDFInfo
- Publication number
- CN204299532U CN204299532U CN201420694022.8U CN201420694022U CN204299532U CN 204299532 U CN204299532 U CN 204299532U CN 201420694022 U CN201420694022 U CN 201420694022U CN 204299532 U CN204299532 U CN 204299532U
- Authority
- CN
- China
- Prior art keywords
- core bar
- main body
- sleeve
- lockwheel
- blanking plug
- 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
- 210000000078 claw Anatomy 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process 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
- 239000000243 solution Substances 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to a kind of packer blanking plug, lockwheel mechanism (4) top is provided with lower core bar (6), lower core bar (6) is provided with two claws (61) be hinged on lower core bar (6), lower core bar stage clip (63) is provided with in lower main body (3), the outer wall of lower main body (3) opposite side in lockwheel mechanism (4) top is slidably fitted with two pieces of slips (31), the top of two pieces of slips (31) is provided with slips stage clip (32), cutting ferrule (7) is provided with between core bar (13) lower end and lower core bar (6), the upper end of cutting ferrule (7) is connected with the lower end of core bar (13), it is outside that lower slide is sleeved on lower core bar (6) upper end.Use it to carry out shutoff to the endoporus of packer, shutoff is got up easily, and operating process is simple, and save time, shutoff reliability is high, and effect is guaranteed.It adopts slips blanking plug to be securely fixed in the endoporus of packer, efficiently solves the technical barrier to the shutoff of packer endoporus, rear thread Operating Pressure can be carried out smoothly.
Description
Technical field
The present invention relates to petroleum tool, be specifically related to a kind of oil field Operating Pressure packer blanking plug.
Background technology
In the Operating Pressure process of oil field, shutoff in tubing string must be carried out.Existing tubing plug, shutoff gets up to be not easy and operating process complexity, and lose time, blocking reliability is not high enough, and effect not easily ensures, has influence on normal Operating Pressure.
Summary of the invention
The object of this invention is to provide a kind of shutoff gets up easily, and operating process is simple, and save time, shutoff reliability is high, and effect is guaranteed, packer endoporus is carried out to the packer blanking plug of shutoff.
Technical solution of the present invention is: it comprises top connection, sliding sleeve, upper joint sleeve, core bar, adapter sleeve, jump ring cover, jump ring cover stage clip, intermediate sleeve, oversheath, upper main body, sheath, packing element assembly, lower main body, lockwheel mechanism and guide head, the lower semisection of core bar slides up and down and is arranged in main body, and the lower end of upper main body is connected by the upper end of screw thread with lower main body, and lockwheel mechanism is rotatably installed in lower main body by lockwheel axle, is provided with and is positioned at lower main body above lockwheel mechanism, slide up and down the lower core bar that the lower surface be arranged in lower main body is subject to lockwheel mechanism spacing, lower core bar is provided with and is positioned at lower main body, lower end is hinged on two claws matched on lower core bar respectively, be provided with two ends between the upper end of two claws and push up the claw stage clip being pressed in two claw opposite sides respectively, be provided with the lower core bar stage clip be sleeved on lower core bar in lower main body above two claws, top, the lower end of lower core bar stage clip is pressed in, and lower core bar outer wall appears on the stage on terrace, top, upper end is pressed on the interior step surface of lower main body, above lockwheel mechanism, the outer wall of lower main body opposite side is inclined-plane that spacing little downside, upside spacing is large and is slidably fitted with two pieces of slips respectively by dovetail tenon groove structure, the lower end of two pieces of slips is matched spacing by claw extratensive type state respectively with the upper end of two claws, the top of two pieces of slips is provided with and is sleeved on lower body outer wall, top, upper end is pressed on main body lower surface, the slips stage clip be pressed on two slips upper surfaces is pushed up in lower end, is provided with the jump ring cover being positioned at main body and lower main body between core bar lower end and lower core bar, and the upper end of jump ring cover is axially connected with the lower end of core bar by screw thread, lower end is axially arranged with multiple elastic groove and slip cap is contained in outside, lower core bar upper end.
Technique effect of the present invention is: when blocking in Operating Pressure, uses it to carry out shutoff to the endoporus of packer, and shutoff is got up easily, and operating process is simple, and save time, shutoff reliability is high, and effect is guaranteed.It adopts slips blanking plug to be securely fixed in the endoporus of packer, and carries out shutoff by packing element, efficiently solves the technical barrier to the shutoff of packer endoporus, rear thread Operating Pressure can be carried out smoothly.
Accompanying drawing explanation
Fig. 1 is the axial sectional view of the embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1, it comprises top connection 1, sliding sleeve 11, upper joint sleeve 12, core bar 13, adapter sleeve 14, jump ring cover 15, jump ring cover stage clip 16, intermediate sleeve 17, oversheath 18, upper main body 19, sheath 20, packing element assembly 2, lower main body 3, lockwheel mechanism 4 and guide head 5, the lower semisection of core bar 13 slides up and down and is arranged in main body 19, the lower end of upper main body 19 is connected by the upper end of screw thread with lower main body 3, and lockwheel mechanism 4 is rotatably installed in lower main body 3 by lockwheel axle 41, is provided with and is positioned at lower main body 3 above lockwheel mechanism 4, slide up and down the lower core bar 6 that the lower surface be arranged in lower main body 3 is subject to lockwheel mechanism 4 spacing, lower core bar 6 is provided with and is positioned at lower main body 3, lower end is hinged on two claws matched 61 on lower core bar 6 respectively, be provided with two ends between the upper end of two claws 61 and push up the claw stage clip 62 being pressed in two claw 61 opposite sides respectively, be provided with the lower core bar stage clip 63 be sleeved on lower core bar 6 above interior two claws 61 of lower main body 3, top, the lower end of lower core bar stage clip 63 is pressed in, and lower core bar 6 outer wall appears on the stage on terrace, top, upper end is pressed on the interior step surface of lower main body 3, above lockwheel mechanism 4, the outer wall of lower main body 3 opposite side is inclined-plane that spacing little downside, upside spacing is large and is slidably fitted with two pieces of slips 31 respectively by dovetail tenon groove structure, the lower end of two pieces of slips 31 is matched spacing by claw 61 extratensive type state respectively with the upper end of two claws 61, the top of two pieces of slips 31 is provided with and is sleeved on lower main body 3 outer wall, top, upper end is pressed on main body 3 lower surface, the slips stage clip 32 be pressed on two slips 31 upper surfaces is pushed up in lower end, is provided with the cutting ferrule 7 being positioned at main body 19 and lower main body 3 between core bar 13 lower end and lower core bar 6, and the upper end of cutting ferrule 7 is axially connected with the lower end of core bar 13 by screw thread, lower end is axially arranged with multiple elastic groove and slip cap is contained in outside, lower core bar 6 upper end.
The cutting ferrule 7 bottom external diameter be provided with when being sleeved on lower core bar 6 is greater than the spacing outer projection 71 of upper main body 19 internal diameter above it, upwards can carry main body 19 lower end endoporus when spacing outer projection 71 is positioned at lower main body 3 upper end when lower core bar 6 is sleeved in cutting ferrule 71, lower core bar 6 skids off cutting ferrule 71.
The lower end of top connection 1 is connected by the top axial of screw thread with sliding sleeve 11, the lower slide of sliding sleeve 11 is sleeved in upper joint sleeve 12 upper end and slip cap is contained in the outside of core bar 13 upper end, the position that upper joint sleeve 12 inner sliding sleeve 11 and core bar 13 phase are set with is provided with and is arranged in the steel ball hole on sliding sleeve 11 sidewall and the annular steel-ball groove on core bar outer wall, make the steel ball 8 of the axial phase clamping of sliding sleeve 11 and core bar 13, adapter sleeve 14 upper end with upper joint sleeve 12 lower end by screw thread is axially connected and is enclosed within outside core bar 13, jump ring cover stage clip 16 and jump ring cover 15 are positioned at adapter sleeve 14 one on the other and are sleeved on core bar 13, it is outside that intermediate sleeve 17 slip cap is contained in core bar 13, upper end is axially connected with the lower end of adapter sleeve 14 by screw thread, lower end is connected by the top axial of screw thread with upper main body 19, the top, upper end of jump ring cover stage clip 16 is pressed on the leave from office terrace of adapter sleeve 14 upper end, top, lower end is pressed in the upper end of jump ring cover 15, unidirectional wild card tooth on core bar 13 outer wall below jump ring cover 15 matches with the unidirectional Nei Kaya that jump ring overlaps on 15 and prevents core bar 13 from bouncing back, sheath 20 is positioned at below intermediate sleeve 17 and is sleeved on main body 19 outside, the upper end of sheath 20 is axially connected with the lower end of intermediate sleeve 17 by screw thread, oversheath 18 slip cap is contained in the outside that intermediate sleeve 17 and sheath 20 are threaded connection position, oversheath 18 upper end is provided with radial between core bar 13 pin rod 9 matched with the axial cylindrical void of intermediate sleeve 17 wall portion, the slid underneath that packing element assembly 2 is positioned at sheath 20 is sleeved on main body 19 outside, match with the axial cylindrical void of upper main body 19 wall portion with radial being provided with between core bar 13 in packing element assembly 2 lower end, core bar 13 relative on main body 19 upward sliding time upwards compress packing element assembly 2 and packing element expanded play the pin rod 9 of plugging action, the upper end of guide head 5 is arranged on the lower end of lower main body 3 by screw thread.
Lockwheel mechanism 4 is made up of the lockwheel 42 be set on lockwheel axle 41 and lockwheel torsion spring 43, and the two ends of lockwheel torsion spring 43 are connected in lower main body 3 respectively with in lockwheel 42.Be provided with between lockwheel 42 and lower main body 3 for preventing lockwheel 42 from misrouting dynamic shear pin by external force.
Packing element assembly 2 is made up of upper tapered sleeve 21, packing element 22 and the packing element sheath 23 that slip cap is contained in upper main body 19 from the top down, upper end and the clamping of upper tapered sleeve 21 phase, lower end and the clamping of packing element sheath 23 phase of packing element 22.The outer wall of upper tapered sleeve 21 is the up-small and down-big male cone (strobilus masculinus) matched with the inner conical surface of sheath 20 lower end, and the lower semisection of sheath 20 is axially arranged with multiple gap that can be softened under upper tapered sleeve 21 acts on.The inwall be sealed and matched mutually between upper tapered sleeve 21 with upper main body 19 is provided with sealing ring.
Be provided with below upper joint sleeve 12 by the regulating nut 10 of thread set on adapter sleeve 14.
Intermediate sleeve 17 suitable for reading in be provided with the male cone (strobilus masculinus) overlapping 15 lower ends with jump ring and match, make jump ring overlap 15 axially grooved hypomeres to draw the up big and down small inner conical surface got up in.Between core bar 13 and upper main body 19, radial being provided with prevents from axially sliding when also can carry on core bar 13 by the anti-skidding shear pin 30 cut off between core bar 13 and upper main body 19 by mistake.Adapter sleeve 14 and intermediate sleeve 17 be threaded connection position radial direction be provided be arranged on adapter sleeve 14 by screw thread, end pushes up the steady nail 40 be pressed in intermediate sleeve 17.The outer wall that core bar 13 and upper main body 19 are slidably matched is provided with some roads sealing ring.
Operating principle: in the endoporus that blanking plug is sent to downhole packer during shutoff, on put on joint 1 and drive injection well downhole flow regulator plugging device up, lockwheel 42 can be blocked in blanking plug hole makes lockwheel rotate, and the shear pin between lockwheel 42 and lower main body 3 is cut off, and lockwheel 42 is removed the control action of lower core bar 6.Lower core bar 6 under the pressure of lower core bar stage clip 63 along under main body 3 slide downward, to drive under the descending retraction of two claws 61 in main body 3, two claws 61 are to the spacing releasing of two slips 31, two slips 31 under slips stage clip 32 pressure along under main body 3 outer wall glide open, card tooth on slips 31 is stuck on the blanking plug hole inwall of packer, this at present core bar 6 extract in cutting ferrule 7.Continuation being put on joint 1 can make the anti-skidding shear pin 30 between core bar 13 and upper main body 19 be cut off, core bar 13 is up in upper main body 19, in cutting ferrule 7 lower end retraction in main body 19, core bar 13 by pin rod 9 drive oversheath 18 and packing element sheath 23 up, packing element sheath 23 compresses packing element 22 and expands, and is blocked in blanking plug hole.Go up tapered sleeve 21 sheath 20 lower end to be strutted, packing element 22 upper surface upon inflation prevents packing element 22 from being exploded by down-hole pressure on top simultaneously.Unidirectional wild card tooth on the up rear core bar 13 of core bar 13 can be stuck on the unidirectional Nei Kaya on jump ring cover 15, and jump ring cover 15 is stuck in the top of intermediate sleeve 17, and core bar 13 can not be bounced back.When top connection 1 drive sliding sleeve 11 and core bar 13 go upward to steel ball 8 deviate from the upper surface of upper joint sleeve 12 time, steel ball 8 comes off, and throws off between sliding sleeve 11 and core bar 13, top connection 1 and sliding sleeve 11 referred aboveground, shutoff process terminates.
Claims (10)
1. packer blanking plug, it comprises top connection (1), sliding sleeve (11), upper joint sleeve (12), core bar (13), adapter sleeve (14), jump ring cover (15), jump ring cover stage clip (16), intermediate sleeve (17), oversheath (18), upper main body (19), sheath (20), packing element assembly (2), lower main body (3), lockwheel mechanism (4) and guide head (5), the lower semisection of core bar (13) slides up and down and is arranged in main body (19), the lower end of upper main body (19) is connected by the upper end of screw thread with lower main body (3), lockwheel mechanism (4) is rotatably installed in lower main body (3) by lockwheel axle (41), it is characterized in that: lockwheel mechanism (4) top is provided with and is positioned at lower main body (3), slide up and down the lower core bar (6) that the lower surface be arranged in lower main body (3) is subject to lockwheel mechanism (4) spacing, lower core bar (6) is provided with and is positioned at lower main body (3), lower end is hinged on two claws matched (61) on lower core bar (6) respectively, be provided with two ends between the upper end of two claws (61) and push up the claw stage clip (62) being pressed in two claws (61) opposite side respectively, interior two claws (61) top of lower main body (3) is provided with the lower core bar stage clip (63) be sleeved on lower core bar (6), the top, lower end of lower core bar stage clip (63) is pressed in, and lower core bar (6) outer wall appears on the stage on terrace, top, upper end is pressed on the interior step surface of lower main body (3), the outer wall of lower main body (3) opposite side in lockwheel mechanism (4) top is inclined-plane that spacing little downside, upside spacing is large and is slidably fitted with two pieces of slips (31) respectively by dovetail tenon groove structure, the lower end of two pieces of slips (31) is matched spacing by claw (61) extratensive type state respectively with the upper end of two claws (61), the top of two pieces of slips (31) is provided with and is sleeved on lower main body (3) outer wall, top, upper end is pressed on main body (3) lower surface, the slips stage clip (32) be pressed on two slips (31) upper surface is pushed up in lower end, the cutting ferrule (7) being positioned at main body (19) and lower main body (3) is provided with between core bar (13) lower end and lower core bar (6), the upper end of cutting ferrule (7) is axially connected with the lower end of core bar (13) by screw thread, lower end is axially arranged with multiple elastic groove and slip cap is contained in outside, lower core bar (6) upper end.
2. packer blanking plug as claimed in claim 1, it is characterized in that described cutting ferrule (7) the bottom external diameter be provided with when being sleeved on lower core bar (6) is greater than the spacing outer projection (71) of upper main body (19) internal diameter above it, can upwards carry into upper main body (19) lower end endoporus when spacing outer projection (71) is positioned at lower main body (3) upper end when lower core bar (6) is sleeved in cutting ferrule (71), lower core bar (6) skids off cutting ferrule (71).
3. packer blanking plug as claimed in claim 1, it is characterized in that the lower end of described top connection (1) is connected by the top axial of screw thread with sliding sleeve (11), the lower slide of sliding sleeve (11) is sleeved in upper joint sleeve (12) upper end and slip cap is contained in the outside of core bar (13) upper end, the position that upper joint sleeve (12) inner sliding sleeve (11) and core bar (13) are set with mutually is provided with and is arranged in the steel ball hole on sliding sleeve (11) sidewall and the annular steel-ball groove on core bar outer wall, make the steel ball (8) of sliding sleeve (11) and the axial phase clamping of core bar (13), adapter sleeve (14) upper end with upper joint sleeve (12) lower end by screw thread is axially connected and is enclosed within core bar (13) outward, jump ring cover stage clip (16) and jump ring cover (15) are positioned at adapter sleeve (14) one on the other and are sleeved on core bar (13), it is outside that intermediate sleeve (17) slip cap is contained in core bar (13), upper end is axially connected with the lower end of adapter sleeve (14) by screw thread, lower end is connected by the top axial of screw thread with upper main body (19), the top, upper end of jump ring cover stage clip (16) is pressed on the leave from office terrace of adapter sleeve (14) upper end, top, lower end is pressed in the upper end of jump ring cover (15), unidirectional wild card tooth on core bar (13) outer wall of jump ring cover (15) below matches with the unidirectional Nei Kaya on jump ring cover (15) and prevents core bar (13) from bouncing back, sheath (20) is positioned at intermediate sleeve (17) below and is sleeved on main body (19) outside, the upper end of sheath (20) is axially connected with the lower end of intermediate sleeve (17) by screw thread, oversheath (18) slip cap is contained in the outside that intermediate sleeve (17) and sheath (20) are threaded connection position, between oversheath (18) upper end with core bar (13), radial direction is provided with the pin rod (9) matched with the axial cylindrical void of intermediate sleeve (17) wall portion, the slid underneath that packing element assembly (2) is positioned at sheath (20) is sleeved on main body (19) outside, between packing element assembly (2) lower end with core bar (13), radial direction is provided with and matches with the axial cylindrical void of upper main body (19) wall portion, packing element expansion is made to play the pin rod (9) of plugging action at core bar (13) relative to upwards compressing packing element assembly (2) during upper main body (19) upward sliding, the upper end of guide head (5) is arranged on the lower end of lower main body (3) by screw thread.
4. the packer blanking plug as described in claim 1 or 3, it is characterized in that described lockwheel mechanism (4) is made up of the lockwheel (42) be set on lockwheel axle (41) and lockwheel torsion spring (43), the two ends of lockwheel torsion spring (43) are connected in lower main body (3) and in lockwheel (42) respectively.
5. packer blanking plug as claimed in claim 4, is characterized in that being provided with between described lockwheel (42) and lower main body (3) for preventing lockwheel (42) from misrouting dynamic shear pin by external force.
6. packer blanking plug as claimed in claim 1, it is characterized in that described packing element assembly (2) is made up of upper tapered sleeve (21), packing element (22) and the packing element sheath (23) that slip cap is contained in upper main body (19) from the top down, upper end and upper tapered sleeve (21) phase clamping, lower end and packing element sheath (23) the phase clamping of packing element (22).
7. packer blanking plug as claimed in claim 6, it is characterized in that the outer wall of described upper tapered sleeve (21) is the up-small and down-big male cone (strobilus masculinus) matched with the inner conical surface of sheath (20) lower end, the lower semisection of sheath (20) is axially arranged with multiple gap that can be softened under upper tapered sleeve (21) effect.
8. packer blanking plug as claimed in claim 6, is characterized in that the inwall be sealed and matched mutually between described upper tapered sleeve (21) with upper main body (19) is provided with sealing ring.
9. packer blanking plug as claimed in claim 1, is characterized in that described upper joint sleeve (12) below is provided with by the regulating nut (10) of thread set on adapter sleeve (14).
10. packer blanking plug as claimed in claim 1, it is characterized in that described intermediate sleeve (17) suitable for reading in be provided with and match with the male cone (strobilus masculinus) of jump ring cover (15) lower end, make the axially grooved hypomere of jump ring cover (15) draw the up big and down small inner conical surface got up in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694022.8U CN204299532U (en) | 2014-11-19 | 2014-11-19 | Packer blanking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694022.8U CN204299532U (en) | 2014-11-19 | 2014-11-19 | Packer blanking plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204299532U true CN204299532U (en) | 2015-04-29 |
Family
ID=53105078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420694022.8U Expired - Fee Related CN204299532U (en) | 2014-11-19 | 2014-11-19 | Packer blanking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204299532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437607A (en) * | 2016-12-21 | 2017-02-22 | 牡丹江博实石油机械科技有限公司 | Catchable packer blocker |
| CN110847857A (en) * | 2019-12-06 | 2020-02-28 | 中国石油集团渤海钻探工程有限公司 | Can spacing prevent sand setting blanking plug |
-
2014
- 2014-11-19 CN CN201420694022.8U patent/CN204299532U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437607A (en) * | 2016-12-21 | 2017-02-22 | 牡丹江博实石油机械科技有限公司 | Catchable packer blocker |
| CN106437607B (en) * | 2016-12-21 | 2018-08-17 | 牡丹江博实石油机械科技有限公司 | Salvagable packer blanking plug |
| CN110847857A (en) * | 2019-12-06 | 2020-02-28 | 中国石油集团渤海钻探工程有限公司 | Can spacing prevent sand setting blanking plug |
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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 |
Granted publication date: 20150429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |