CN205117279U - Cross packer hole and block up instrument - Google Patents
Cross packer hole and block up instrument Download PDFInfo
- Publication number
- CN205117279U CN205117279U CN201520909255.XU CN201520909255U CN205117279U CN 205117279 U CN205117279 U CN 205117279U CN 201520909255 U CN201520909255 U CN 201520909255U CN 205117279 U CN205117279 U CN 205117279U
- Authority
- CN
- China
- Prior art keywords
- adapter sleeve
- main body
- cone
- lock tube
- send
- 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
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Abstract
The utility model relates to a cross packer hole and block up instrument, lock tube (8) top is equipped with locating lever (13), the lower extreme of locating lever (13) links to each other with lock tube (8), the lower terminal surface roof pressure of each slips (11) is on locating lever (13) xarm (14), be equipped with between each slips (11) and adapter sleeve (5) slips pressure spring (15), core cover (6) suit is in adapter sleeve (5), the upper end cartridge of locating lever (13) is downthehole at core cover (6) lower extreme, adapter sleeve (5) are gone up the cover and are equipped with cone pressure spring (16) and cone (17), radially be equipped with round pin axle (18) between core cover (6) and cone (17), packing element (4) are located between top connection (3) and cone (17) the suit in adapter sleeve (5) outside. Its simple structure, convenient operation, the shutoff is effectual, and the shutoff success rate is high. It is shorter that it operates the time spent, the operation success rate higher, in the packer anchoring firm, the shutoff is got up easilier, lays a good foundation for the use of packer, is favorable to oil field work and goes on smoothly.
Description
Technical field
The utility model relates to petroleum tool, is specifically related to a kind of calker for plugging packer endoporus.
Background technology
Along with improving constantly of oil field operation technology, more and more need a kind of instrument packer endoporus on tubing string being carried out to the effective shutoff of high pressure, existing plugging device structure is more complicated, it is convenient not to operate, plugging effect is bad, and shutoff success rate is low, not easily meets instructions for use.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, and easy to operate, plugging effect is good, and what shutoff success rate was high crosses packer inner reversible cycle instrument.
Technical solution of the present utility model is: it comprises rope socket, send head, top connection, packing element, adapter sleeve, core retainer plate, main body, lock tube, lockwheel mechanism, the end, is blocked up and some pieces of slips, the lower end of rope socket is connected with sending the upper end of head by screw thread, the lower end of head is sent to be sleeved on top connection upper end outside, the position radial direction sending head and top connection to be set with mutually is provided with shear pin, the lower end of top connection is connected with the upper end of adapter sleeve by screw thread, the lower end of adapter sleeve is connected with the upper end of main body by screw thread, the lower end be threaded connection in main body is blocked up at the end, lockwheel mechanism is positioned at the top blocked up at the end, its lockwheel is hinged in main body by the radial lockwheel axle be arranged in main body, the top slip cap that lock tube is positioned at lockwheel is contained in main center hole, match with lockwheel in lock tube lower surface, being provided with top, lower end in lock tube is pressed on lock tube inner face, top, upper end is pressed in the lock tube stage clip on lock tube axle that radial direction is arranged in main body, above lock tube stage clip, the outer wall of lock tube is provided with the axial long hole be slidably matched with lock tube axle, the backstay be slidably mounted in main body is provided with above lock tube, the lower end of backstay is connected with the upper end of lock tube by screw thread, each slips is slidably mounted on the dovetail on the up-narrow and down-wide conical surface on body outer wall respectively, the lower surface of each slips is pushed up respectively and is pressed on transverse arm that backstay extends transverse to outside main body, be provided with between each slips upper surface and adapter sleeve lower surface and be sleeved on body exterior, top, upper end is pressed on adapter sleeve lower surface, the slips stage clip be pressed on each slips upper surface is pushed up in lower end, the top slip cap that core retainer plate is positioned at slips stage clip is contained in adapter sleeve centre bore, the bottom hollow of core retainer plate, wall portion is axially arranged with some elasticity gaps, the bottom of core retainer plate is provided with the outward flange matched with inner face under adapter sleeve, slide to be inserted under core retainer plate hollow and make outward flange be stuck in below adapter sleeve inner face in stomidium in the upper end of backstay, above main body adapter sleeve outer wall on be set with cone stage clip and the up-thin-low-thick cone of outer wall from bottom to top successively, top, cone stage clip lower end is pressed on the upper surface in the middle part of adapter sleeve, top, upper end is pressed on cone lower surface, between core retainer plate upper end and cone lower end, radial direction is provided with bearing pin, bearing pin be positioned at the cylindrical void be located on adapter sleeve outer wall above cone stage clip and be slidably matched, packing element is sleeved on adapter sleeve outside between top connection and cone, match with the conical surface on cone outer wall.
Technique effect of the present utility model is: its structure is simple, and easy to operate, plugging effect is good, and shutoff success rate is high.Its used time that operates is shorter, and successful operation rate is higher, and in packer, grappling is firm, and shutoff is got up easier, for the use of packer is laid a good foundation, is conducive to oil field operation and carries out smoothly.
Accompanying drawing explanation
Fig. 1 is the axial sectional view of the utility model embodiment.
Detailed description of the invention
As shown in Figure 1, it comprises rope socket 1, send 2, top connection 3, packing element 4, adapter sleeve 5, core retainer plate 6, main body 7, lock tube 8, lockwheel mechanism 9, the end stifled 10 and some pieces of slips 11, the lower end of rope socket 1 is connected with sending the upper end of 2 by screw thread, the lower end of 2 is sent to be sleeved on top connection 3 upper end outside, 2 are sent to be provided with shear pin 12 with the position radial direction that top connection 3 is set with mutually, the lower end of top connection 3 is connected by the upper end of screw thread with adapter sleeve 5, the lower end of adapter sleeve 5 is connected by the upper end of screw thread with main body 7, the end, is blocked up 10 and is threaded connection in the lower end of main body 9, lockwheel mechanism 9 is positioned at the top that the end blocks up 10, its lockwheel 91 is hinged in main body 7 by the radial lockwheel axle 92 be arranged in main body 7, the top slip cap that lock tube 8 is positioned at lockwheel 91 is contained in main body 7 centre bore, match with lockwheel 91 in lock tube 8 lower surface, being provided with top, lower end in lock tube 8 is pressed on lock tube 8 inner face, top, upper end is pressed in the lock tube stage clip 82 on lock tube axle 81 that radial direction is arranged in main body 7, above lock tube stage clip 82, the outer wall of lock tube 8 is provided with the axial long hole 83 be slidably matched with lock tube axle 81, the backstay 13 be slidably mounted in main body 7 is provided with above lock tube 8, the lower end of backstay 13 is connected by the upper end of screw thread with lock tube 8, each slips 11 is slidably mounted on the dovetail 71 on the up-narrow and down-wide conical surface on main body 7 outer wall respectively, the lower surface of each slips 11 is pushed up respectively and is pressed on transverse arm 14 that backstay 13 extends transverse to outside main body, be provided with between each slips 11 upper surface and adapter sleeve 5 lower surface and be sleeved on main body 7 outside, top, upper end is pressed on adapter sleeve 5 lower surface, the slips stage clip 15 be pressed on each slips 11 upper surface is pushed up in lower end, the top slip cap that core retainer plate 6 is positioned at slips stage clip 15 is contained in adapter sleeve 5 centre bore, the bottom hollow of core retainer plate 6, wall portion is axially arranged with some elasticity gaps, the bottom of core retainer plate 6 is provided with the outward flange 61 matched with adapter sleeve 5 times inner faces, slide to be inserted under core retainer plate 6 hollow and make outward flange 61 be stuck in below adapter sleeve 5 inner face in stomidium in the upper end of backstay 13, above main body 7 adapter sleeve 5 outer wall on be set with cone stage clip 16 and the up-thin-low-thick cone 17 of outer wall from bottom to top successively, top, cone stage clip 16 lower end is pressed on the upper surface in the middle part of adapter sleeve 5, top, upper end is pressed on cone 17 lower surface, between core retainer plate 6 upper end and cone 17 lower end, radial direction is provided with bearing pin 18, bearing pin 18 be positioned at the cylindrical void 51 be located on adapter sleeve 5 outer wall above cone stage clip 16 and be slidably matched, it is outside that packing element 4 is sleeved on adapter sleeve 5 between top connection 3 and cone 17, match with the conical surface on cone 17 outer wall.
Lockwheel 91 is hinged with lock claw 94 by lock claw axle 93, lock claw axle 93 is set with the torsion spring matched with lockwheel 91 and lock claw 94 respectively in two ends, lock claw axle 93 is axially parallel with lockwheel axle 92.
Send a slide outside for 2 lower ends to be set with and send end protective cover 19, 2 are sent to be the stairstepping of lower thick upper thin with the outer wall sending end protective cover 19 to be slidably matched position, send end protective cover 19 upper end inwall to be provided with and send an inward flange 20 that 2 thin outer walls are slidably matched, send the end protective cover 19 inwall slip cap be provided with below inward flange 20 position to be contained in and send on a 2 thick outer wall, send to be provided with successively to be from bottom to top sleeved on above end protective cover 19 and send the sheath stage clip 21 of 2 thin outer wall outsides and a spacer 22, the top, upper end of sheath stage clip 21 is pressed on spacer 22 lower surface, lower end top be pressed in send end protective cover 19 upper surface on, the top, upper surface of spacer 22 is pressed on rope socket 1 lower surface.
Shear pin 12 radial direction is located to send the 2 thick outer wall positions be set with top connection 3 phase and be sleeved on and is sent in end protective cover 19.
The end opening position of packing element 4 is provided with the conical surface of the lower thick upper thin matched with cone 17.
The position of upper of main body 7 is provided with the annular space 72 matched with the outward flange 61 of core retainer plate 6.
Operating principle:
Rope socket 1 is connected with wire rope during use, from aboveground, blanking plug is transferred in the packer endoporus of wanted shutoff, then this instrument is carried on, the lock claw 94 of lockwheel mechanism 9 scrapes off by packer endoporus, after lockwheel 91 rotates, lock tube 8 and backstay 13 move down under the double action of lock tube stage clip 82 and gravity, and each slips 11 is opened along dovetail 71 slide downward on the main body 7 outer wall conical surface and is stuck in device endoporus, completes the grappling action of instrument.While backstay 13 moves down, backstay 13 upper end skids off the expansion relieved core retainer plate 6 and locates in core retainer plate 6, outward flange 61 adduction of core retainer plate 6 end, core retainer plate 6 relieves the location to cone 17, cone 17 upward sliding, its conical surface under the effect of cone stage clip 6 insert in packing element 4 end opening and make packing element 4 expansion close packer endoporus, under the pressure effect of tubing string bottom, keep sealing, sealing action completes.
After grappling and sealing action complete, on carry wire rope, break the shear pin 12 sent between 2 and top connection 3, wire rope with rope socket 1, send 2, spacer 22, send end protective cover 19 and sheath stage clip 21 to leave packer endoporus by upper proposition well head, calker is stayed in well, and whole action completes.
Claims (6)
1. cross packer inner reversible cycle instrument, it comprises rope socket (1), send head (2), top connection (3), packing element (4), adapter sleeve (5), core retainer plate (6), main body (7), lock tube (8), lockwheel mechanism (9), (10) and some pieces of slips (11) are blocked up in the end, the lower end of rope socket (1) is connected with sending the upper end of head (2) by screw thread, the lower end of head (2) is sent to be sleeved on top connection (3) upper end outside, the position radial direction sending head (2) and top connection (3) to be set with mutually is provided with shear pin (12), the lower end of top connection (3) is connected by the upper end of screw thread with adapter sleeve (5), the lower end of adapter sleeve (5) is connected by the upper end of screw thread with main body (7), stifled (10) are threaded connection the lower end in main body (9) at the end, lockwheel mechanism (9) is positioned at the top of the end stifled (10), its lockwheel (91) is hinged in main body (7) by the lockwheel axle (92) that radial direction is arranged in main body (7), the top slip cap that lock tube (8) is positioned at lockwheel (91) is contained in main body (7) centre bore, match with lockwheel (91) in lock tube (8) lower surface, being provided with top, lower end in lock tube (8) is pressed on lock tube (8) inner face, top, upper end is pressed in the lock tube stage clip (82) on lock tube axle (81) that radial direction is arranged in main body (7), the outer wall of lock tube stage clip (82) top lock tube (8) is provided with the axial long hole (83) be slidably matched with lock tube axle (81), it is characterized in that: lock tube (8) top is provided with the backstay (13) be slidably mounted in main body (7), the lower end of backstay (13) is connected by the upper end of screw thread with lock tube (8), each slips (11) is slidably mounted on the dovetail (71) on the up-narrow and down-wide conical surface on main body (7) outer wall respectively, the lower surface of each slips (11) is pushed up respectively and is pressed on transverse arm (14) that backstay (13) extends transverse to outside main body, be provided with between each slips (11) upper surface and adapter sleeve (5) lower surface and be sleeved on main body (7) outside, top, upper end is pressed on adapter sleeve (5) lower surface, the slips stage clip (15) be pressed on each slips (11) upper surface is pushed up in lower end, the top slip cap that core retainer plate (6) is positioned at slips stage clip (15) is contained in adapter sleeve (5) centre bore, the bottom hollow of core retainer plate (6), wall portion is axially arranged with some elasticity gaps, the bottom of core retainer plate (6) is provided with the outward flange (61) matched with inner face under adapter sleeve (5), slide to be inserted under core retainer plate (6) hollow and make outward flange (61) be stuck in below adapter sleeve (5) inner face in stomidium in the upper end of backstay (13), the outer wall of main body (7) top adapter sleeve (5) is set with from bottom to top successively cone stage clip (16) and the up-thin-low-thick cone (17) of outer wall, top, cone stage clip (16) lower end is pressed on the upper surface at adapter sleeve (5) middle part, top, upper end is pressed on cone (17) lower surface, between core retainer plate (6) upper end and cone (17) lower end, radial direction is provided with bearing pin (18), bearing pin (18) be positioned at cone stage clip (16) top the cylindrical void (51) be located on adapter sleeve (5) outer wall be slidably matched, packing element (4) is positioned between top connection (3) and cone (17) and is sleeved on adapter sleeve (5) outside, match with the conical surface on cone (17) outer wall.
2. the instrument of packer inner reversible cycle excessively as claimed in claim 1, it is characterized in that described lockwheel (91) is hinged with lock claw (94) by lock claw axle (93), lock claw axle (93) is set with the torsion spring matched with lockwheel (91) and lock claw (94) respectively in two ends, lock claw axle (93) is axially parallel with lockwheel axle (92).
3. the instrument of packer inner reversible cycle excessively as claimed in claim 1, send the slide outside of head (2) lower end to be set with described in it is characterized in that and send end protective cover (19), head (2) is sent to be the stairstepping of lower thick upper thin with the outer wall sending end protective cover (19) to be slidably matched position, send end protective cover (19) upper end inwall to be provided with and send head (2) inward flange (20) that thin outer wall is slidably matched, send end protective cover (19) the inwall slip cap be provided with below inward flange (20) position to be contained in and send on the thick outer wall of head (2), send end protective cover (19) top to be provided with successively from bottom to top and be sleeved on the sheath stage clip (21) and spacer (22) that send the thin outer wall outside of head (2), the top, upper end of sheath stage clip (21) is pressed on spacer (22) lower surface, lower end top be pressed in send end protective cover (19) upper surface on, the top, upper surface of spacer (22) is pressed on rope socket (1) lower surface.
4. cross packer inner reversible cycle instrument as claimed in claim 3, it is characterized in that described shear pin (12) radial direction is located at the thick outer wall position that send head (2) and top connection (3) to be set with mutually and is sleeved on and send in end protective cover (19).
5. the instrument of packer inner reversible cycle excessively as claimed in claim 1, is characterized in that the end opening position of described packing element (4) is provided with the conical surface of the lower thick upper thin matched with cone (17).
6. the instrument of packer inner reversible cycle excessively as claimed in claim 1, is characterized in that the position of upper of described main body (7) is provided with the annular space (72) matched with the outward flange of core retainer plate (6) (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909255.XU CN205117279U (en) | 2015-11-16 | 2015-11-16 | Cross packer hole and block up instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909255.XU CN205117279U (en) | 2015-11-16 | 2015-11-16 | Cross packer hole and block up instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205117279U true CN205117279U (en) | 2016-03-30 |
Family
ID=55572898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520909255.XU Expired - Fee Related CN205117279U (en) | 2015-11-16 | 2015-11-16 | Cross packer hole and block up instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205117279U (en) |
-
2015
- 2015-11-16 CN CN201520909255.XU patent/CN205117279U/en not_active Expired - Fee Related
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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: 20160330 Termination date: 20181116 |