CN109209285A - A kind of bidirectionally anchoring mechanical packer - Google Patents
A kind of bidirectionally anchoring mechanical packer Download PDFInfo
- Publication number
- CN109209285A CN109209285A CN201811004766.1A CN201811004766A CN109209285A CN 109209285 A CN109209285 A CN 109209285A CN 201811004766 A CN201811004766 A CN 201811004766A CN 109209285 A CN109209285 A CN 109209285A
- Authority
- CN
- China
- Prior art keywords
- packer
- oil pipe
- pipe channel
- embedding
- slip mechanism
- 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.)
- Withdrawn
Links
- 238000004873 anchoring Methods 0.000 title claims abstract description 17
- 230000003139 buffering effect Effects 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- E21B33/12—Packers; Plugs
- E21B33/122—Multiple string packers
-
- 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
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
-
- 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
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of bidirectionally anchoring mechanical packers, including packer body, the packer body is made of the packer and the oil pipe channel being arranged in inside packer that packer body side is arranged in, and packer is run through in the oil pipe channel, this kind of bidirectionally anchoring mechanical packer, being provided with packing element can be very good to be in close contact with down-hole casing, it is acted on using the suspension cable anchorage of hydraulic anchor and slip mechanism, venthole, which can carry out certain ventilation, to be prevented in the excessive damage to utensil of use process pressure, there are certain elasticity to facilitate extrusion fit for sleeve, the position of limit sleeve limitation packer increases packer length in order to increase the quantity of packer, fastening thread facilitates the close contact between packer to connect, fill area has certain protective effect, buffering ball plays certain buffering, the effect of extruding.
Description
Technical field
The present invention relates to packer technology field, specially a kind of bidirectionally anchoring mechanical packer.
Background technique
Packer is the important tool for realizing exploitation of oil-gas field, can be the normal production of oil/gas well and various underground techniques
Going on smoothly for measure provides effective mechanical means, in occupation of very important status in oilfield explorating developing process,
The typically no means of communication up and down of conventional mechanical packer at present, causes tubing string deblocking difficult, easily causes card well accident, and
And conventional mechanical set packer is all single deck tape-recorder tile structure, after the completion of setting, tubing string weight is acted on packer always,
The tubing string on packer top is constantly in compressed state, and oil pipe is under bad stress condition, has seriously affected tubing string
It uses, simultaneously as the structure of existing packer one-way slip lacks the effect of bidirectionally anchoring so that tubing string easily occurs for packer
It wriggles, it is serious to will lead to packer setting failure, it shortens the working life.
But the tubing string on existing packer top is constantly in compressed state, and oil pipe is under bad stress condition,
It is serious since the structure of existing packer one-way slip lacks the effect of bidirectionally anchoring so that string creep easily occurs for packer
It will lead to packer setting failure, shorten the working life.
So how to design a kind of bidirectionally anchoring mechanical packer, becoming us will currently be solved the problems, such as.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of bidirectionally anchoring mechanical packer
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of bidirectionally anchoring mechanical packer, including packing
Device main body, the packer body are led to by the packer and the oil pipe being arranged in inside packer that packer body side is arranged in
Road is constituted, and packer is run through in the oil pipe channel, and the packer side is equipped with packing element, and packing element insertion setting is being sealed
Every in device, the packer side is equipped with hydraulic anchor, and the hydraulic anchor is embedding is set on packer, the hydraulic anchor side
Equipped with casing, and described sleeve pipe is embedding is set in packer, and described sleeve pipe side is internally provided with several support rods, and institute
It states support rod and casing to weld, described sleeve pipe side is equipped with slip mechanism, and the slip mechanism is embedding is set on oil pipe channel
On, and fitted closely with casing, the slip mechanism side is equipped with hex nut, and the hex nut is embedding is set on oil pipe
On channel, the hex nut side is equipped with connecting plate, and the connecting plate is embedding is set on oil pipe channel, the slips machine
Structure is internally provided with steel ball, and steel ball insertion is arranged in slip mechanism, and the support rod side forms fill area, and institute
It states and also forms fill area between support rod, oil pipe channel and casing.
Further, the packer side is equipped with venthole, and venthole insertion is arranged in packer, and with
Packer connection.
Further, the support rod is internally provided with several buffering balls, and buffering ball insertion setting is supporting
In bar.
Further, the packer side is equipped with limit sleeve, and the limit sleeve is embedding is set on oil pipe channel, and
It is fitted closely with packer.
Further, oil pipe channel side is equipped with fastening thread, and fastening thread insertion setting is logical in oil pipe
In road.
Compared with prior art, the beneficial effects of the present invention are: this kind of bidirectionally anchoring mechanical packer, being provided with packing element can
It to be in close contact well with down-hole casing, is acted on using the suspension cable anchorage of hydraulic anchor and slip mechanism, venthole can carry out
Certain ventilation is prevented in the excessive damage to utensil of use process pressure, and there are certain elasticity to facilitate extrusion fit for sleeve,
The position of limit sleeve limitation packer increases packer length in order to increase the quantity of packer, and fastening thread is convenient
Between packer close contact connection, fill area have certain protective effect, buffering ball play certain buffering, squeeze
Effect.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is fastening thread partial structural diagram of the invention；
Fig. 3 is steel ball partial structural diagram of the invention；
Fig. 4 is sleeve A-A cross-sectional view of the invention；
In figure: 1- packer body；2- packer；3- oil pipe channel；4- venthole；5- packing element；6- hydraulic anchor；7- set
Pipe；8- slip mechanism；9- hex nut；10- connecting plate；11- limit sleeve；12- fastening thread；13- steel ball；14- support rod；
15- buffering ball；16- fill area.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of bidirectionally anchoring mechanical packer, including packer
Main body 1, the packer body 1 is by being arranged in the packer 2 of 1 side of packer body and the oil being arranged in inside packer 2
Tube passage 3 is constituted, and packer 2 is run through in the oil pipe channel 3, and 2 side of packer is equipped with packing element 5, and the packing element 5 is embedding
Enter to be arranged in packer 2,2 side of packer is equipped with hydraulic anchor 6, and the hydraulic anchor 6 is embedding is set on packer 2
On, 6 side of hydraulic anchor is equipped with casing 7, and described sleeve pipe 7 is embedding is set in packer 2, inside 7 side of described sleeve pipe
Several support rods 14 being provided with, and the support rod 14 and casing 7 weld, 7 side of described sleeve pipe is equipped with slip mechanism 8, and
The slip mechanism 8 is embedding to be set on oil pipe channel 3, and is fitted closely with casing 7, and 8 side of slip mechanism is equipped with six
Angle nut 9, and the hex nut 9 is embedding is set on oil pipe channel 3,9 side of hex nut is equipped with connecting plate 10, and
The connecting plate 10 is embedding to be set on oil pipe channel 3, and the slip mechanism 8 is internally provided with steel ball 13, and the steel ball 13
Insertion is arranged in slip mechanism 8, and 14 side of support rod forms fill area 16, and the support rod 14,3 and of oil pipe channel
Also fill area 16 is formed between casing 7.
Further, 2 side of packer is equipped with venthole 4, and the insertion of the venthole 4 is arranged in packer 2,
And be connected to packer 2, the venthole 4 plays the role of certain ventilation.
Further, the support rod 14 is internally provided with several buffering balls 15, and the insertion setting of the buffering ball 15
In support rod 14, the buffering ball 15 can control the oil speed inside oil pipe channel 3.
Further, 2 side of packer is equipped with limit sleeve 11, and the limit sleeve 11 is embedding is set on oil pipe channel
It on 3, and is fitted closely with packer 2, the limit sleeve 11 plays good position-limiting action.
Further, 3 side of oil pipe channel is equipped with fastening thread 12, and the insertion of the fastening thread 12 is arranged in oil
In tube passage 3, the fastening thread 12 plays good snap action.
Working principle: firstly, in the case where determining safety, after installing packer body 1, pass through fastening thread 12
Play the role of increasing the good connection function of multiple packers 2, can be risen using the suspension cable anchorage of hydraulic anchor 6 and slip mechanism 8
It is acted on to certain locking, venthole 4 plays the role of good ventilation, and packing element 5 can play good sealing effect, casing 7
Sealing well, support placement metamorphosis are played, connecting plate 10 plays good fastening effect, 3 shallow decline of oil pipe channel
Certain angle steel ball 13 under self gravitation effect can move certain position, and limit sleeve 11 plays good position-limiting action, tightly
Gu screw thread 12 plays the role of connecting adjacent packers main body 1 well, support rod 14 plays good supporting role, and insertion is set
It sets the buffering ball 15 inside support rod 14 and plays buffer function, prevent from keeping service pressure excessive causing packer 2 certain
Damage effect, fill area 16 play a protective role.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of bidirectionally anchoring mechanical packer, including packer body (1), it is characterised in that: the packer body (1) by
The oil pipe channel (3) internal in packer (2) in the packer (2) of packer body (1) side and setting, and the oil are set
Tube passage (3) runs through packer (2), and packer (2) side is equipped with packing element (5), and the packing element (5) insertion setting is being sealed
Every in device (2), packer (2) side is equipped with hydraulic anchor (6), and the hydraulic anchor (6) is embedding is set on packer (2)
On, hydraulic anchor (6) side is equipped with casing (7), and described sleeve pipe (7) is embedding is set in packer (2), described sleeve pipe
(7) side is internally provided with several support rods (14), and the support rod (14) and casing (7) are welded, described sleeve pipe (7) one
Side is equipped with slip mechanism (8), and the slip mechanism (8) is embedding is set on oil pipe channel (3), and closely pastes with casing (7)
It closes, slip mechanism (8) side is equipped with hex nut (9), and the hex nut (9) is embedding is set on oil pipe channel (3)
On, hex nut (9) side is equipped with connecting plate (10), and the connecting plate (10) is embedding is set on oil pipe channel (3),
The slip mechanism (8) is internally provided with steel ball (13), and the steel ball (13) insertion is arranged in slip mechanism (8), described
Support rod (14) side forms fill area (16), and is also formed between the support rod (14), oil pipe channel (3) and casing (7)
Fill area (16).
2. a kind of bidirectionally anchoring mechanical packer according to claim 1, it is characterised in that: packer (2) side
Equipped with venthole (4), and the venthole (4) insertion setting is connected in packer (2), and with packer (2).
3. a kind of bidirectionally anchoring mechanical packer according to claim 1, it is characterised in that: the support rod (14) is internal
Several buffering balls (15) are provided with, and the buffering ball (15) insertion is arranged in support rod (14).
4. a kind of bidirectionally anchoring mechanical packer according to claim 1, it is characterised in that: packer (2) side
Equipped with limit sleeve (11), and the limit sleeve (11) is embedding is set on oil pipe channel (3), and fits closely with packer (2).
5. a kind of bidirectionally anchoring mechanical packer according to claim 1, it is characterised in that: the oil pipe channel (3) one
Side is equipped with fastening thread (12), and the fastening thread (12) insertion is arranged in oil pipe channel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004766.1A CN109209285A (en) | 2018-08-30 | 2018-08-30 | A kind of bidirectionally anchoring mechanical packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004766.1A CN109209285A (en) | 2018-08-30 | 2018-08-30 | A kind of bidirectionally anchoring mechanical packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109209285A true CN109209285A (en) | 2019-01-15 |
Family
ID=64986335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811004766.1A Withdrawn CN109209285A (en) | 2018-08-30 | 2018-08-30 | A kind of bidirectionally anchoring mechanical packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109209285A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826588A (en) * | 2019-03-27 | 2019-05-31 | 孙绍武 | A kind of simple reparation formula water injection well packer |
-
2018
- 2018-08-30 CN CN201811004766.1A patent/CN109209285A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826588A (en) * | 2019-03-27 | 2019-05-31 | 孙绍武 | A kind of simple reparation formula water injection well packer |
| CN109826588B (en) * | 2019-03-27 | 2020-02-14 | 山东华冠能源技术有限公司 | Simple repairing type water injection well packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190115 |
|
| WW01 | Invention patent application withdrawn after publication |