CN108019182A - Stifled device is thrown in a kind of self-expanding oil pipe - Google Patents
Stifled device is thrown in a kind of self-expanding oil pipe Download PDFInfo
- Publication number
- CN108019182A CN108019182A CN201711451860.7A CN201711451860A CN108019182A CN 108019182 A CN108019182 A CN 108019182A CN 201711451860 A CN201711451860 A CN 201711451860A CN 108019182 A CN108019182 A CN 108019182A
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- Prior art keywords
- self
- pipe
- main center
- fixed
- expanding
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- 238000012856 packing Methods 0.000 claims abstract description 36
- 239000013043 chemical agent Substances 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 25
- 229920001971 elastomer Polymers 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 229940079593 drug Drugs 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 description 9
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 description 8
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 6
- 239000004156 Azodicarbonamide Substances 0.000 description 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 6
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 6
- 235000019399 azodicarbonamide Nutrition 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229920005560 fluorosilicone rubber Polymers 0.000 description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 5
- 239000000347 magnesium hydroxide Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- SBJVSHMZBIZBBY-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene;2-hydroperoxy-2-methylpropane Chemical compound CC(C)(C)OO.CC(C)C1=CC=CC=C1C(C)C SBJVSHMZBIZBBY-UHFFFAOYSA-N 0.000 description 4
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920006335 epoxy glue Polymers 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses stifled device is thrown in a kind of self-expanding oil pipe, including one-way slip, main center manages and weighted lever, the top of main center's pipe is fixed with weighted lever, and the bottom of main center's pipe is fixed with guide head, main center's tube bottom end is internally provided with preformed groove, the top of the guide head is provided with the reserved block to cooperate with preformed groove, top on the outside of main center's pipe is fixed with one-way slip, and the bottom on the outside of main center's pipe is provided with window, inside main center's pipe self-expanding packing element is fixed with the position of window, and the top of self-expanding packing element is provided with push rod, the one end of the push rod away from self-expanding packing element is vertically connected through the bottom of chemical agent storage barrel and the bottom of piston.The present invention is by being provided with self-expanding packing element so that self-expanding packing element water-swellable characteristic, so that oil pipe be blocked, prevents fuel injection event, easy to use.
Description
Technical field
It is specially that stifled device is thrown in a kind of self-expanding oil pipe the present invention relates to stifled device technical field is thrown.
Background technology
With the continuous development of society, the change in epoch, new environmental law proposes oil well operation the requirement of higher, advanced
The existing blowout control equipment for grease hole of technology, but for old well, relevant blowout prevention facility is not provided with, its is normal
A few thing pressure often is brought, it is not only time-consuming and laborious, and waste of resource, therefore be badly in need of throwing stifled device in a kind of self-expanding oil pipe to expire
Sufficient use demand.
The content of the invention
It is proposed in the above background technology to solve it is an object of the invention to provide a kind of stifled device of throwing in self-expanding oil pipe
Problem.
To achieve the above object, the present invention provides following technical solution：Stifled device is thrown in a kind of self-expanding oil pipe, including it is unidirectional
Slips, main center's pipe and weighted lever, the top of main center's pipe is fixed with weighted lever, and the bottom of main center's pipe is consolidated
Surely there is guide head, main center's tube bottom end is internally provided with preformed groove, and the top of the guide head is provided with and reserves
The reserved block that groove cooperates, the top on the outside of main center's pipe are fixed with one-way slip, and on the outside of main center's pipe
Bottom is provided with window, and the top inside main center's pipe is provided with chemical agent storage barrel, and chemical agent storage barrel
Inside be fixed with piston, the top of the chemical agent storage barrel side is provided with liquid feeding, the chemical agent storage barrel two
The inside of main center's pipe side wall of side is both provided with diversion pipe, is fixed inside main center's pipe at the position of window
There is self-expanding packing element, and the top of self-expanding packing element is provided with push rod, the one end of the push rod away from self-expanding packing element is vertically worn
The bottom of chemical agent storage barrel and the bottom of piston is crossed to connect.
Further, internal thread is provided with the madial wall of the preformed groove, be provided with the lateral wall of reserved block with it is interior
The external screw thread that screw thread cooperates.
Further, it is cased with rubber pad on the piston.
Further, the bottom of the weighted lever is fixed with fixture block, and the top of main center's pipe is provided with mutual with fixture block
The card slot of cooperation.
Further, lid is provided with the liquid filling hole, and handle is fixed with lid.
The self-expanding packing element includes the raw material of following weight：45-65 parts of fluorubber, 30-45 parts of fluorine silicone rubber,
40-55 parts of rubber black, 1-3 parts of azodicarbonamide, 1-3 parts of magnesium hydroxide, 3-5 parts of rosin pentaerythritol resin, Tissuemat E
3-5 parts, 1-3 parts of tert-butyl hydroperoxide diisopropylbenzene (DIPB).
Another technical problem to be solved by the invention is to provide a kind of manufacture method of self-expanding packing element, including following step
Suddenly：
1) 45-65 parts of fluorubber, 30-45 parts of fluorine silicone rubber, 40-55 parts of rubber black, 1-3 parts of azodicarbonamide, hydrogen-oxygen are taken
Change 1-3 parts of magnesium, be sent in hot Banbury, mixing time 200s, mixing temperature is 90 DEG C, and rubber compound is made, spare；
2）3-5 parts of rosin pentaerythritol resin, 3-5 parts of Tissuemat E, 1-3 parts of tert-butyl hydroperoxide diisopropylbenzene (DIPB) are taken, is put into successively
It is stirred in mixer, mixing time is set as 50min, and uniformly mixed mixture is made, spare；
3）By step 2）Prepared powder is added in rubber compound made from step 1), and by the temperature liter of hot Banbury
Then height keeps the temperature 100s, obtains epoxy glue to 110 DEG C, the temperature of hot Banbury is increased to 200 DEG C, after carrying out plastic emitting,
Poured into a mould in grinding tool, after rear progress vulcanizing treatment, stand, be down to room temperature, self-expanding packing element is made.
Compared with prior art, the beneficial effects of the invention are as follows：It is special by being provided with that stifled device is thrown in the self-expanding oil pipe
Self-expanding packing element, its with oil resistant, hydrolysis, heatproof, acid and alkali-resistance, chemical-resistant resistance uniqueness, while utilize chemical branch
Section method and physical blending process introduce hydrophilic, water suction gene molecule in rubber, after self-expanding packing element touches oil, hydrone,
Oil, hydrone are diffused into rubber by the capillary channel in rubber, are produced using the concentration difference of Related Component in rubber molecular chain
Raw osmotic pressure, makes rubber hydrophilic radical absorb substantial amounts of oil, hydrone until the limit of expansion, reaches water suction balance, and because
There is excellent water retention property for group, ensure that hydrone will not separate out in rubber, make the mechanical strength of rubber will not change,
So that self-expanding packing element water-swellable characteristic, so that oil pipe be blocked, prevents fuel injection event, it is easy to use, while device
By being provided with chemical agent storage barrel, piston and push rod so that self-expanding packing element upon inflation, promotes push rod movement, living
Plug extrudes chemical agent by diversion pipe so as to being again sealed off between self-expanding packing element and main center's pipe so that
More preferably, effect is more preferable for sealing effect, easy to use, while device is by being provided with weighted lever so that easy to overcome device to be subject to
Lower piston power, it is easy to use, while device is by being provided with one-way slip so that device is easy to continue peaceful grappling, using just
It is prompt.
Brief description of the drawings
Fig. 1 is the structural profile illustration of the present invention；
The self-expanding packing element that Fig. 2 is the present invention expands schematic diagram；
Fig. 3 is the structure diagram of the present invention.
In figure：1- fixture blocks；2- one-way slips；3- push rods；4- main center manages；5- windows；6- preformed grooves；7- weighted levers；
8- card slots；9- chemical agent storage barrels；10- pistons；11- diversion pipes；12- self-expanding packing elements；13- reserved blocks；14- guide heads；
15- liquid filling holes.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
- 3 are please referred to Fig.1, a kind of embodiment provided by the invention：Thrown in a kind of self-expanding oil pipe and block up device, including one-way slip 2,
Main center's pipe 4 and weighted lever 7, the top of main center's pipe 4 are fixed with weighted lever 7, and the bottom of weighted lever 7 is fixed with fixture block 1,
The top of main center's pipe 4 is provided with the card slot 8 to cooperate with fixture block 1, is conveniently replaceable the weighted lever 7 of dimension, and main
The bottom of body central tube 4 is fixed with guide head 14, and 4 bottom of main center's pipe is internally provided with preformed groove 6, preformed groove 6 it is interior
Internal thread is provided with side wall, the external screw thread to cooperate with internal thread is provided with the lateral wall of reserved block 13, easy to be oriented to
First 14 replacement, the top of guide head 14 are provided with the reserved block 13 to cooperate with preformed groove 6,4 outside of main center's pipe
Top is fixed with one-way slip 2, and the bottom in the outside of main center's pipe 4 is provided with window 5, the top inside main center's pipe 4
Chemical agent storage barrel 9 is provided with, and the inside of chemical agent storage barrel 9 is fixed with piston 10,9 side of chemical agent storage barrel
Top be provided with liquid feeding 15, lid is provided with liquid filling hole 15, and handle is fixed with lid, 9 liang of chemical agent storage barrel
The inside of 4 side wall of main center's pipe of side is both provided with diversion pipe 11, and the inside of main center's pipe 4 is consolidated at the position of window 5
Surely there is self-expanding packing element 12, and the top of self-expanding packing element 12 is provided with push rod 3, the one end of push rod 3 away from self-expanding packing element 12
The vertical bottom through chemical agent storage barrel 9 is connected with the bottom of piston 10, and rubber pad is cased with piston 10, ensures piston 10
The good seal between the inner wall of chemical agent storage barrel 9.
The self-expanding packing element includes the raw material of following weight：45 parts of fluorubber, 30 parts of fluorine silicone rubber, rubber charcoal
Black 40 parts, 1 part of azodicarbonamide, 1 part of magnesium hydroxide, 3 parts of rosin pentaerythritol resin, 3 parts of Tissuemat E, tert-butyl hydroperoxide
1 part of diisopropylbenzene (DIPB).
Another technical problem to be solved by the invention is to provide a kind of manufacture method of self-expanding packing element, including following step
Suddenly：
1) 45 parts of fluorubber, 30 parts of fluorine silicone rubber, 40 parts of rubber black, 1 part of azodicarbonamide, 1 part of magnesium hydroxide are taken, is sent into
Into hot Banbury, mixing time 200s, mixing temperature is 90 DEG C, and rubber compound is made, spare；
2）3 parts of rosin pentaerythritol resin, 3 parts of Tissuemat E, 1 part of tert-butyl hydroperoxide diisopropylbenzene (DIPB) are taken, puts into stirring successively
It is stirred in machine, mixing time is set as 50min, and uniformly mixed mixture is made, spare；
3）By step 2）Prepared powder is added in rubber compound made from step 1), and by the temperature liter of hot Banbury
Then height keeps the temperature 100s, obtains epoxy glue to 110 DEG C, the temperature of hot Banbury is increased to 200 DEG C, after carrying out plastic emitting,
Poured into a mould in grinding tool, after rear progress vulcanizing treatment, stand, be down to room temperature, self-expanding packing element is made.
Embodiment 2
- 3 are please referred to Fig.1, a kind of embodiment provided by the invention：Thrown in a kind of self-expanding oil pipe and block up device, including one-way slip 2,
Main center's pipe 4 and weighted lever 7, the top of main center's pipe 4 are fixed with weighted lever 7, and the bottom of weighted lever 7 is fixed with fixture block 1,
The top of main center's pipe 4 is provided with the card slot 8 to cooperate with fixture block 1, is conveniently replaceable the weighted lever 7 of dimension, and main
The bottom of body central tube 4 is fixed with guide head 14, and 4 bottom of main center's pipe is internally provided with preformed groove 6, preformed groove 6 it is interior
Internal thread is provided with side wall, the external screw thread to cooperate with internal thread is provided with the lateral wall of reserved block 13, easy to be oriented to
First 14 replacement, the top of guide head 14 are provided with the reserved block 13 to cooperate with preformed groove 6,4 outside of main center's pipe
Top is fixed with one-way slip 2, and the bottom in the outside of main center's pipe 4 is provided with window 5, the top inside main center's pipe 4
Chemical agent storage barrel 9 is provided with, and the inside of chemical agent storage barrel 9 is fixed with piston 10,9 side of chemical agent storage barrel
Top be provided with liquid feeding 15, lid is provided with liquid filling hole 15, and handle is fixed with lid, 9 liang of chemical agent storage barrel
The inside of 4 side wall of main center's pipe of side is both provided with diversion pipe 11, and the inside of main center's pipe 4 is consolidated at the position of window 5
Surely there is self-expanding packing element 12, and the top of self-expanding packing element 12 is provided with push rod 3, the one end of push rod 3 away from self-expanding packing element 12
The vertical bottom through chemical agent storage barrel 9 is connected with the bottom of piston 10, and rubber pad is cased with piston 10, ensures piston 10
The good seal between the inner wall of chemical agent storage barrel 9.
The self-expanding packing element includes the raw material of following weight：65 parts of fluorubber, 45 parts of fluorine silicone rubber, rubber charcoal
Black 55 parts, 3 parts of azodicarbonamide, 3 parts of magnesium hydroxide, 5 parts of rosin pentaerythritol resin, 5 parts of Tissuemat E, tert-butyl hydroperoxide
3 parts of diisopropylbenzene (DIPB).
Another technical problem to be solved by the invention is to provide a kind of manufacture method of self-expanding packing element, including following step
Suddenly：
1) 65 parts of fluorubber, 45 parts of fluorine silicone rubber, 55 parts of rubber black, 3 parts of azodicarbonamide, 3 parts of magnesium hydroxide are taken, is sent into
Into hot Banbury, mixing time 200s, mixing temperature is 90 DEG C, and rubber compound is made, spare；
2）5 parts of rosin pentaerythritol resin, 5 parts of Tissuemat E, 3 parts of tert-butyl hydroperoxide diisopropylbenzene (DIPB) are taken, puts into stirring successively
It is stirred in machine, mixing time is set as 50min, and uniformly mixed mixture is made, spare；
3）By step 2）Prepared powder is added in rubber compound made from step 1), and by the temperature liter of hot Banbury
Then height keeps the temperature 100s, obtains epoxy glue to 110 DEG C, the temperature of hot Banbury is increased to 200 DEG C, after carrying out plastic emitting,
Poured into a mould in grinding tool, after rear progress vulcanizing treatment, stand, be down to room temperature, self-expanding packing element is made.
Operation principle：In use, playing out sucker rod first, the weighted lever 7 of dimension is chosen afterwards, and passes through card slot 8
With the connection mode of fixture block 1 so that weighted lever 7 is connected with main center pipe 4, oil pipe is opened afterwards and device is knocked down oil pipe
It is interior, and grappling is carried out by one-way slip 2, oil pipe is closed afterwards, to be sealed, 12 water-swellable of self-expanding packing element so that by master
Body central tube 4 blocks, and avoids the occurrence of fuel injection event, and after the expansion of self-expanding packing element 12, push rod 3 can be promoted to move so that living
Plug exports chemical agent by diversion pipe 11 so that self-expanding packing element 12 is again sealed off so that the effect of sealing is more
It is good, it is easy to use, tubing pressure is observed afterwards, when pressure value is zero, oil pipe is played after opening oil pipe, after playing ground, from oil
The interior sucker rod of pipe, which hits device, to be taken out.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. stifled device is thrown in a kind of self-expanding oil pipe, including one-way slip（2）, main center pipe（4）And weighted lever（7）, its feature
It is：Main center's pipe（4）Top be fixed with weighted lever（7）, and main center manages（4）Bottom be fixed with guide head
（14）, main center's pipe（4）Bottom is internally provided with preformed groove（6）, the guide head（14）Top be provided with
Preformed groove（6）The reserved block of mutual cooperation（13）, main center's pipe（4）The top in outside is fixed with one-way slip（2）, and
Main center manages（4）The bottom in outside is provided with window（5）, main center's pipe（4）Internal top is provided with chemical drugs
Agent storage barrel（9）, and chemical agent storage barrel（9）Inside be fixed with piston（10）, the chemical agent storage barrel（9）Side
Top be provided with liquid feeding（15）, the chemical agent storage barrel（9）Main center's pipe of both sides（4）The inside of side wall is respectively provided with
There is diversion pipe（11）, main center's pipe（4）Internal close window（5）Position at be fixed with self-expanding packing element（12）, and
Self-expanding packing element（12）Top push rod is installed（3）, the push rod（3）Away from self-expanding packing element（12）One end vertically pass through
Chemical agent storage barrel（9）Bottom and piston（10）Bottom connection.
2. stifled device is thrown in a kind of self-expanding oil pipe according to claim 1, it is characterised in that：The preformed groove（6）It is interior
Internal thread, reserved block are provided with side wall（13）Lateral wall on be provided with internal thread cooperate external screw thread.
3. stifled device is thrown in a kind of self-expanding oil pipe according to claim 1, it is characterised in that：The piston（10）On be cased with
Rubber pad.
4. stifled device is thrown in a kind of self-expanding oil pipe according to claim 1, it is characterised in that：The weighted lever（7）Bottom
End is fixed with fixture block（1）, main center's pipe（4）Top be provided with and fixture block（1）The card slot of mutual cooperation（8）.
5. stifled device is thrown in a kind of self-expanding oil pipe according to claim 1, it is characterised in that：The liquid filling hole（15）On set
Lid is equipped with, and handle is fixed with lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451860.7A CN108019182A (en) | 2017-12-28 | 2017-12-28 | Stifled device is thrown in a kind of self-expanding oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451860.7A CN108019182A (en) | 2017-12-28 | 2017-12-28 | Stifled device is thrown in a kind of self-expanding oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108019182A true CN108019182A (en) | 2018-05-11 |
Family
ID=62072012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711451860.7A Pending CN108019182A (en) | 2017-12-28 | 2017-12-28 | Stifled device is thrown in a kind of self-expanding oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108019182A (en) |
-
2017
- 2017-12-28 CN CN201711451860.7A patent/CN108019182A/en active Pending
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Application publication date: 20180511 |