CN205047187U - A blanking plug in oil pipe for steel wire is put in - Google Patents
A blanking plug in oil pipe for steel wire is put in Download PDFInfo
- Publication number
- CN205047187U CN205047187U CN201520628047.2U CN201520628047U CN205047187U CN 205047187 U CN205047187 U CN 205047187U CN 201520628047 U CN201520628047 U CN 201520628047U CN 205047187 U CN205047187 U CN 205047187U
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- China
- Prior art keywords
- slips
- blanking plug
- steel wire
- oil pipe
- axle
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Abstract
The utility model provides a blanking plug in oil pipe for steel wire is put in, this blanking plug is including cavity slips axle, catch urceolus and the packing element of coaxial setting in the seating nipple in proper order, the epaxial both ends down of slips set up top connection and lower clutch respectively, and the lower clutch runs through the setting again in catch urceolus and packing element: the epaxial coaxial slip spider that sets up of slips, slip spider set up the axial slips, and the slips axle is equipped with the shelves ring that is used for retraining the slips. Compared with the prior art, the utility model provides a blanking plug in oil pipe for steel wire is put in, simple structure, convenient operation, safe and reliable guarantee that safe, smooth, the high efficiency of job execution is gone on.
Description
Technical field
The utility model relates to a kind of Underwell packet apparatus, is specifically related to a kind of blanking plug in oil pipe thrown in for steel wire.
Background technology
Oil/gas Well is mankind's exploration and development underground petroleum and the requisite information of natural gas resource and substance channel.Oil-Gas Well Engineering, around the construction of Oil/gas Well, the fund of measuring and protecting and implementing and technology-intensive engineering, mainly comprise oil-gas exploration and development drilling and completion technology engineering, Oil/gas Well Measure and test engineering, and Oil/gas Well prevention and restoration engineering etc., be the basic link of oil-gas exploration and development.
In Oil/gas Well well workover process, in order to prevent blowout, all well control equipment to be installed, long-rangely moment closing well can be implemented to annular space when there is overflow or blowout, but some blowouts also occur in tubing string, because oil pipe connection is that fine thread connects, after there is overflow, installing wellhead cock sometimes has difficulties, and causes gas blowout accident.
Particularly construct at carbonate reservoir, construct under being often in well killing fluid constantly leakage state during well workover, in order to equilibrium strata pressure majority adopts " cage " method, during lift pipe string, in tubing string, blowout prevention annoyings well workover technology personnel always, particularly when deep-well is constructed, play one-trip string often to need for a long time, the hour of danger of blowout exists, and carrying out effectively blocking when lift pipe string to bottom in tubing string is extremely urgent problem.
Therefore, need the blanking plug in oil pipe providing a kind of structure simple, easy to operate, safe and reliable, ensure job execution safe, smooth, efficiently carry out.
Utility model content
In order to solve the problem, the utility model provide a kind of for steel wire throw in blanking plug in oil pipe, structure is simple, easy to operate, safe and reliable, ensure job execution safe, smooth, efficiently carry out.
The purpose of this utility model adopts following technical proposals to realize:
A kind of blanking plug in oil pipe thrown in for steel wire that the utility model provides, its improvements are, described blanking plug comprises the hollow slips axle 8, lock ring urceolus 10 and the packing element 12 that are coaxially arranged on successively in seating nipple 1; Described slips axle about 8 two ends arrange top connection 2 and lower contact 14 respectively; And described lower contact 14 runs through and is arranged in lock ring urceolus 10 and packing element 12: described slips axle 8 coaxially arranges slip spider 5, and described slip spider 5 arranges axial slips 6, and described slips axle 8 is provided with the shelves ring 7 for retraining slips 6.
The first optimal technical scheme that the utility model provides is, described top connection 2 is the chamfering Step Shaft of hollow, and its upper end is provided with screw thread, and lower end sidewall is provided with axial slide; The connecting pin 3 be connected with slips axle 8 is provided with in described chute.
The second optimal technical scheme that the utility model provides is, described slip spider 5 has the hollow straight tube of screwed hole for sidewall, its inner hole axially arranging increasing diameter; The radial equi-spaced apart in described slip spider 5 lower end arranges square hole; What in described screwed hole, setting was connected with slips axle 8 cuts off 4; Described square hole arranges axial slips 6.
The 3rd optimal technical scheme that the utility model provides is, the surfaces externally and internally of described slips 6 upper end is plane; The inner surface of its lower end is the conical surface, and external surface is provided with crown ratchet upwards.
The 4th optimal technical scheme that the utility model provides is, described slips axle 8 lower end is taper and its outer wall arranges screw thread, and described lock ring urceolus 10 upper end inwall is provided with the screw thread matched with described slips axle 8 lower end outer wall screw thread.
The 5th optimal technical scheme that the utility model provides is, described lock ring urceolus 10 lower end is taper, and spaced radial be equidistantly provided be connected with lower contact 14 set pin 11.
The 6th optimal technical scheme that the utility model provides is that on described packing element 12, interval equidistantly arranges spacer ring 13, and the upper and lower end face of described spacer ring 13 is inner conical surface.
The 7th optimal technical scheme that the utility model provides is be provided with lock ring 9 between described slips axle 8 and lower contact 14; Described lock ring 9 inwall and lower contact 14 outer wall are respectively equipped with the screw thread matched.
The 8th optimal technical scheme that the utility model provides is, described lock ring 9 is C shape split ring.
The 9th optimal technical scheme that the utility model provides is that described seating nipple 1 is arranged in tubing string, and its upper and lower two ends arrange tubing thread respectively, and lower end inner wall is provided with undergauge.
With immediate prior art ratio, the utility model reaches following beneficial effect:
1, the utility model provide for steel wire throw in blanking plug in oil pipe, simple to operate, steel wire throw in after, when needing to set, downward jarring top connection can realize the shutoff to oil pipe.
2, the utility model provide for steel wire throw in blanking plug in oil pipe, plugging effect is good, after blanking plug sets, packing element can be kept to compress by lock ring.
3, the utility model provide for steel wire throw in blanking plug in oil pipe, adopt 4 uniform slips, and slips crown has direction, when after shutoff, when upper pressure is greater than low pressure, slips, slips axle, lock ring can move down, and packing element can better be compressed; When low pressure is greater than upper pressure, lower contact, packing element, slips axle move, slips is engaged better.
4, the utility model provide for steel wire throw in blanking plug in oil pipe, structure is simple, easy to operate, safe and reliable, not only has very high economy, but also has wide market prospects.
Accompanying drawing explanation
Fig. 1: the utility model provide for steel wire throw in blanking plug in oil pipe face structural representation;
Fig. 2: the structure for amplifying schematic diagram of the lock ring that the utility model provides;
Fig. 3: the structure for amplifying schematic diagram of the slips that the utility model provides;
Wherein: 1, seating nipple; 2, top connection; 3, connecting pin; 4, cut off; 5, slip spider; 6, slips; 7, shelves ring; 8, slips axle; 9, lock ring; 10, lock ring urceolus; 11, pin is set; 12, packing element; 13 spacer rings; 14, lower contact.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
The present embodiment is example for the blanking plug in oil pipe that steel wire is thrown in, and as shown in Figures 1 to 3, comprises the hollow slips axle 8, lock ring urceolus 10 and the packing element 12 that are coaxially arranged on successively in seating nipple 1; Slips axle about 8 two ends arrange top connection 2 and lower contact 14 respectively, and lower contact 14 runs through and is arranged in lock ring urceolus 10 and packing element 12: slips axle 8 coaxially arranges slip spider 5, slip spider 5 arranges axial slips 6, and slips axle 8 is provided with the shelves ring 7 for retraining slips 6.Top connection 2 is the chamfering Step Shaft of hollow, and its upper end is provided with screw thread and can be connected with steel wire instrument, and lower end sidewall is provided with axial slide, and in chute, install the connecting pin 3 be connected with slips axle 8, connecting pin 3 is straight pole.Slip spider 5 has the hollow straight tube of screwed hole for sidewall, its inner hole axially arranging increasing diameter, and the radial equi-spaced apart in slip spider 5 lower end arranges 4 square holes, what in screwed hole, installation was connected with slips axle 8 cuts off 4, cut off 4 for copper, one end is screw thread, and one end is straight pole; Square hole arranges axial slips 6, and slips 6 top is arranged in slip spider 5, can slide in bottom on slips axle 8.The surfaces externally and internally of slips 6 upper end is plane; The inner surface of its lower end is the conical surface, external surface is provided with crown ratchet upwards, instantly fashionable, jarring from the top down, be conducive to slips 6 and slips axle 8 moves downward, be convenient to packing element 12 and set, when low pressure is greater than upper pressure, lower contact 14, packing element 12, slips axle 8 have upwards movement tendency, are conducive to the occlusion of slips 6.Slips axle 8 lower end is taper and its outer wall arranges screw thread, and lock ring urceolus 10 upper end inwall is provided with the screw thread matched with slips axle 8 lower end outer wall screw thread.Lock ring urceolus 10 lower end is taper, and spaced radial be equidistantly provided be connected with lower contact 14 set pin 11, set pin 11 for copper, one end is external screw thread, and one end is straight pole.For interval on the packing element 12 of hollow rubber cylinder, the spacer ring 13 that upper and lower end face is inner conical surface is equidistantly being set.Lock ring 9 is provided with between slips axle 8 and lower contact 14; Lock ring 9 is C shape split ring, and its inwall and lower contact 14 outer wall are respectively equipped with the screw thread matched.
Wherein, seating nipple 1 is arranged in tubing string, and its upper and lower two ends arrange tubing thread respectively, and lower end inner wall is provided with undergauge.
Embodiment 1
First, lower contact 14 is clamped on vice, by packing element 12, spacer ring 13, packing element 12 loads from the top of lower contact 14 successively, lock ring urceolus 10 is loaded from lower contact 14 top, and installation sets pin 11, lock ring 9 is pushed from lower contact 14 top, and be connected with the serration screw thread in lower contact 14, clamping lock ring urceolus 10, connect slips axle 8 on lock ring urceolus 10, slips 6 is installed to inside slip spider 5, slip spider 5 and slips 6 are loaded from slips axle 8 top, shelves ring 7 is installed on slips axle 8, stationary slip 6, pin 4 is installed in the screwed hole of slip spider 5, top connection 2 is set on slips axle 8, from the chute of top connection 2, connecting pin 3 is installed in slips axle 8, namely blanking plug has been assembled.
Secondly, with the top connection 2 entering instrument under steel wire and connect blanking plug, when blanking plug is lowered into precalculated position in well, namely need in servant's tubing string match with lower contact 14 be located undergauge, downward jarring top connection 2, top connection 2 is slided and slamming down slip spider 5 on slips axle 8, cuts off simultaneously and cuts off 4; Slip spider 5 drives slips 6 and slips axle 8 to move downward, and the lock ring urceolus 10 be connected with slips axle 8 compresses packing element 12 downwards, and meanwhile, lock ring 9 locks onto in lower contact 14, makes packing element 12 keep compressive state; Through repeatedly jarring, can make packing element 12 compression-expansion completely, by the space sealing in oil pipe, slips 6 is snapped on tube inner wall, can reach the object of shutoff oil pipe.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify to detailed description of the invention of the present utility model or equivalent replacement, and not departing from any amendment of the utility model spirit and scope or equivalent replacement, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1., for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that: described blanking plug comprises the hollow slips axle (8) be coaxially arranged on successively in seating nipple (1), lock ring urceolus (10) and packing element (12); Described slips axle (8) up and down two ends arranges top connection (2) and lower contact (14) respectively, and described lower contact (14) runs through and is arranged in lock ring urceolus (10) and packing element (12); Described slips axle (8) coaxially arranges slip spider (5), described slip spider (5) axially arranges slips (6), and described slips axle (8) is provided with the shelves ring (7) for retraining slips (6).
2., as claimed in claim 1 for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that, the chamfering Step Shaft that described top connection (2) is hollow, its upper end is provided with screw thread, and lower end sidewall is provided with axial slide; The connecting pin (3) be connected with slips axle (8) is provided with in described chute.
3. as claimed in claim 2 for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that, described slip spider (5) has the hollow straight tube of screwed hole, its inner hole axially arranging increasing diameter for sidewall; The radial equi-spaced apart in described slip spider (5) lower end arranges square hole; In described screwed hole, cutting off (4) of being connected with slips axle (8) is set; Described square hole arranges axial slips (6).
4., as claimed in claim 3 for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that, the surfaces externally and internally of described slips (6) upper end is plane; The inner surface of its lower end is the conical surface, and external surface is provided with crown ratchet upwards.
5. as claimed in claim 4 for the blanking plug in oil pipe of steel wire input, it is characterized in that, described slips axle (8) lower end is taper and its outer wall arranges screw thread, and described lock ring urceolus (10) upper end inwall is provided with the screw thread matched with described slips axle (8) lower end outer wall screw thread.
6. as claimed in claim 5 for the blanking plug in oil pipe of steel wire input, it is characterized in that, described lock ring urceolus (10) lower end is taper, and spaced radial be equidistantly provided be connected with lower contact (14) set pin (11).
7. as claimed in claim 6 for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that, the upper interval of described packing element (12) equidistantly arranges spacer ring (13), and the upper and lower end face of described spacer ring (13) is inner conical surface.
8., as claimed in claim 7 for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that, between described slips axle (8) and lower contact (14), be provided with lock ring (9); Described lock ring (9) inwall and lower contact (14) outer wall are respectively equipped with the screw thread matched.
9., as claimed in claim 8 for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that, described lock ring (9) is C shape split ring.
10., as claimed in claim 9 for the blanking plug in oil pipe that steel wire is thrown in, it is characterized in that, described seating nipple (1) is arranged in tubing string, and its upper and lower two ends arrange tubing thread respectively, and lower end inner wall is provided with undergauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628047.2U CN205047187U (en) | 2015-08-19 | 2015-08-19 | A blanking plug in oil pipe for steel wire is put in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628047.2U CN205047187U (en) | 2015-08-19 | 2015-08-19 | A blanking plug in oil pipe for steel wire is put in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047187U true CN205047187U (en) | 2016-02-24 |
Family
ID=55340779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520628047.2U Expired - Fee Related CN205047187U (en) | 2015-08-19 | 2015-08-19 | A blanking plug in oil pipe for steel wire is put in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201443A (en) * | 2015-08-19 | 2015-12-30 | 新疆华油油气工程有限公司 | Oil pipe inner stopper for putting steel wires |
-
2015
- 2015-08-19 CN CN201520628047.2U patent/CN205047187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201443A (en) * | 2015-08-19 | 2015-12-30 | 新疆华油油气工程有限公司 | Oil pipe inner stopper for putting steel wires |
| CN105201443B (en) * | 2015-08-19 | 2018-02-23 | 新疆华油油气工程有限公司 | A kind of blanking plug in oil pipe launched for steel wire |
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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: 20160224 Termination date: 20180819 |