CN209145502U - A kind of oil field high temperature resistant oil pipe - Google Patents
A kind of oil field high temperature resistant oil pipe Download PDFInfo
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- CN209145502U CN209145502U CN201822081842.0U CN201822081842U CN209145502U CN 209145502 U CN209145502 U CN 209145502U CN 201822081842 U CN201822081842 U CN 201822081842U CN 209145502 U CN209145502 U CN 209145502U
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Abstract
The utility model relates to oil pipe technical fields, and disclose a kind of oil field high temperature resistant oil pipe, including steel pipe inner housing, and the surface of the steel pipe inner housing is fixedly connected with thermally conductive circle.Oil field high temperature resistant oil pipe, allow to normal transporting petroleum by steel pipe inner housing, the heat transfer of steel pipe inner housing to thermal expansion block to become larger when thermal expansion block volume when conducting heat by thermally conductive circle, it increases film-cooled heat and makes the cooling for accelerating thermal expansion block, and thermally expand block expand a timing can close to cooling ring inner wall, so that cooling ring cools down thermal expansion block by cooling tube, prevent thermal expansion block from continuing to expand, prevent thermal expansion inside the pipeline from leading to material cracks, water is provided in cooling tube, one end of cooling tube is water inlet end, the other end of cooling tube is water outlet, fresh water formation circulation is pumped by water pump to cool down the oil pipe, allow to reach effect resistant to high temperature.
Description
Technical field
The utility model relates to oil pipe technical field, specially a kind of oil field high temperature resistant oil pipe.
Background technique
Currently, being applied to the industries such as petroleum, chemical industry, electric power, ship, metallurgy, machinery, weaving, food, building, pharmacy
Pipe fitting requires have higher intensity, resistance to pressure, corrosion-resistant, high temperature resistance, therefore, in technical field of petroleum extraction,
In order to improve the recovery ratio of crude oil, secondary oil recovery and tertiary oil recovery are usually carried out, secondary oil recovery is supplemented by water filling
The method of strata pressure is recovered the oil；Tertiary oil recovery is realized by the methods of gas injection, chemistry injection, microorganism injection,
Since underground viscosity of thickened oil is higher, in order to make it have good mobility, the temperature of the liquid or gas that are injected in oil recovery compared with
Height, so oil pipe is needed to have the function of certain high temperature resistant.
Currently, injection oil pipe used in secondary oil recovery and tertiary oil recovery is steel pipe, this steel pipe is bimetallic tube, high temperature resistant effect
Fruit is not good enough, is easy to appear thermal expansion and contraction, and the material that will lead to be wrapped in outside oil pipe in this way is unable to bear prolonged heat
It is swollen and formed cracking, there will be severe situations such as bursting generation, What is more, temperature too it is high directly contributes oil pipe burning, make
It is short to obtain the oil pipe service life.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of oil field high temperature resistant oil pipe, has high temperature resistant etc.
Advantage solves the problems, such as non-refractory.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of oil field high temperature resistant oil pipe, including steel
Pipe inner housing, the surface of the steel pipe inner housing are fixedly connected with thermally conductive circle, and the surface of the thermally conductive circle has been respectively fixedly connected with
Thermal expansion block and the first link block, the upper surface of first link block are fixedly connected with round bar, the surface activity of the round bar
It is connected with piston cylinder, and round bar runs through and extend to the inside of piston cylinder, the upper surface of the round bar is fixedly connected with piston, institute
The surface for stating piston is flexibly connected with the inner wall of piston cylinder, and the upper surface of the piston is fixedly connected with damping spring, the resistance
The other end of Buddhist nun's spring is fixedly connected with the second link block, and the fixed company in the upper surface of piston cylinder and the lower surface of the second link block
It connects, the upper surface of second link block is fixedly connected with cooling ring, and the inside fixation of the cooling ring is inlaid with cooling tube, institute
The outer wall for stating cooling ring is fixedly connected with fire-retardant oxygen barrier layer, and it is heat-insulated that the outer wall of the fire-retardant oxygen barrier layer is fixedly connected with mineral wool
Layer, the outer wall of the mineral wool thermal insulation layer are fixedly connected with outer tube.
Preferably, the quantity of the thermal expansion block is four, and four thermal expansion blocks fixed company in the form of annular array
Connect the outer wall in thermally conductive circle.
Preferably, the cooling tube fixes the inside for being embedded in cooling ring in an orbiting manner, and the both ends of cooling tube are equal
Through cooling ring and extend to the outside of outer tube.
It preferably, is vacuum chamber between the cooling ring and thermally conductive circle.
Preferably, the quantity of first link block is four, and each first link block is fixedly connected with adjacent two
Between a thermal expansion block.
Preferably, the diameter of the piston is adapted with the internal diameter of piston cylinder.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of oil field high temperature resistant oil pipe, have it is following the utility model has the advantages that
1, oil field high temperature resistant oil pipe, is provided with water by the way that cooling tube is arranged, in cooling tube, one end of cooling tube be into
Water end (W.E.), the other end of cooling tube are water outlet, are pumped into fresh water formation circulation by water pump and cool down to the oil pipe, so that
It can achieve effect resistant to high temperature.
2, oil field high temperature resistant oil pipe, by the way that steel pipe inner housing is arranged, steel pipe inner housing allows to normally transport
Petroleum is made the heat transfer of steel pipe inner housing to thermal expansion block when thermal expansion block volume when conducting heat by thermally conductive circle
Become larger, increase film-cooled heat and make the cooling for accelerating thermal expansion block, and thermally expand block expand a timing can be close to cooling
The inner wall of circle prevents thermal expansion block from continuing to expand, prevents the pipe so that cooling ring cools down thermal expansion block by cooling tube
Thermal expansion leads to material cracks inside road.
3, oil field high temperature resistant oil pipe, when thermally conductive circle and steel pipe inner casing thermal expansion, is passed through by the way that thermally conductive circle is arranged
Round bar, piston, piston cylinder and damping spring make the expansion to thermally conductive circle and steel pipe inner housing have cushion space, cooperate described cold
But the vacuum chamber between circle and thermally conductive circle, so that facilitating the expansion of thermal expansion block, preventing thermal expansion block expansion type from squeezing air makes
Obtain cooling ring cracking.
Detailed description of the invention
Fig. 1 is the utility model structure front elevational view；
Fig. 2 is schematic enlarged-scale view at A in the utility model Fig. 1；
Fig. 3 is the utility model structural side view；
Fig. 4 is the utility model cooling ring structure sectional side view.
In figure: 1 steel pipe inner housing, 2 thermally conductive circles, 3 thermal expansion blocks, 4 first link blocks, 5 round bars, 6 piston cylinders, 7 pistons, 8
Damping spring, 9 second link blocks, 10 cooling rings, 11 cooling tubes, 12 fire-retardant oxygen barrier layers, 13 mineral wool thermal insulation layers, 14 outer tubes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4, a kind of oil field high temperature resistant oil pipe, including steel pipe inner housing 1 are please referred to, the surface of steel pipe inner housing 1 is solid
Surely it is connected with thermally conductive circle 2, thermally conductive circle 2 uses organosilicon, which is wrapped in the outside of steel pipe inner housing 1, organosilicon tool
There is heat absorption capacity, and there is stronger package power, can closely fit together with steel pipe inner housing 1, the surface of thermally conductive circle 2
Be respectively fixedly connected with thermal expansion block 3 and the first link block 4, the quantity of thermal expansion block 3 is four, and four thermal expansion blocks 3 with
The form of annular array is fixedly connected on the outer wall of thermally conductive circle 2, and four thermal expansion blocks 3 make when thermal expansion block 3 is in conduction heat
Shi Tiji becomes larger, and increases film-cooled heat and makes the cooling for accelerating thermal expansion block 3, and thermal expansion block 3 can be leaned in one timing of expansion
Closely thermal expansion block 3 is prevented to the inner wall of cooling ring 10 so that cooling ring 10 is cooled down by 11 pairs of thermal expansion blocks 3 of cooling tube
Continue to expand, prevents thermal expansion inside the pipeline from leading to material cracks, the quantity of the first link block 4 is four, and each first connects
It connects block 4 to be fixedly connected between two neighboring thermal expansion block 3, so that leading to when thermally conductive circle 2 and steel pipe inner housing 1 thermally expand
Crossing round bar 5, piston 7, piston cylinder 6 and damping spring 8 makes the expansion to thermally conductive circle 2 and steel pipe inner housing 1 have cushion space, the
The upper surface of one link block 4 is fixedly connected with round bar 5, and the surface activity of round bar 5 is connected with piston cylinder 6, and round bar 5 runs through and prolongs
The inside of piston cylinder 6 is extended to, the upper surface of round bar 5 is fixedly connected with piston 7, and the diameter of piston 7 is mutually fitted with the internal diameter of piston cylinder 6
Match, allows piston 7 mobile in the inside of piston cylinder 6, the surface of piston 7 is flexibly connected with the inner wall of piston cylinder 6, piston 7
Upper surface be fixedly connected with damping spring 8, the other end of damping spring 8 is fixedly connected with the second link block 9, and piston cylinder 6
Upper surface be fixedly connected with the lower surface of the second link block 9, the upper surface of the second link block 9 is fixedly connected with cooling ring 10,
It is vacuum chamber between cooling ring 10 and thermally conductive circle 2, so that facilitating the expansion of thermal expansion block 3, prevents thermal expansion 3 expansion type of block from squeezing
Air makes cooling ring 10 crack, and the inside fixation of cooling ring 10 is inlaid with cooling tube 11, and the outer wall of cooling ring 10 is fixedly connected
There is fire-retardant oxygen barrier layer 12, the outer wall of fire-retardant oxygen barrier layer 12 is fixedly connected with mineral wool thermal insulation layer 13, fire-retardant oxygen barrier layer 12 and glass
Cotton thermal insulation layer 13, which is allowed to prevent that, to be caused since 1 internal temperature of steel pipe inner housing is excessively high to the case where external firing, mineral wool
The outer wall of thermal insulation layer 13 is fixedly connected with outer tube 14, and cooling tube 11 fixes the inside for being embedded in cooling ring 10 in an orbiting manner,
And the both ends of cooling tube 11 run through cooling ring 10 and extend to the outside of outer tube 14, and water, cooling tube are provided in cooling tube 11
11 one end is water inlet end, and the other end of cooling tube 11 is water outlet, is pumped into fresh water by water pump and forms circulation to the oil
Pipe is cooled down, and allows to reach effect resistant to high temperature, allows to normal transporting petroleum by steel pipe inner housing 1, is led to
Thermally conductive circle 2 is crossed to make the heat transfer of steel pipe inner housing 1 to thermal expansion block 3 when volume becomes thermal expansion block 3 when conducting heat
Greatly, increase film-cooled heat and make the cooling for accelerating thermal expansion block 3, and thermally expand block 3 expand a timing can be close to cooling
The inner wall of circle 10 prevents thermal expansion block 3 from continuing to expand so that cooling ring 10 is cooled down by 11 pairs of thermal expansion blocks 3 of cooling tube,
It prevents thermal expansion inside the pipeline from leading to material cracks, water is provided in cooling tube 11, one end of cooling tube 11 is water inlet end, cooling
The other end of pipe 11 is water outlet, is pumped into fresh water formation circulation by water pump and cools down to the oil pipe, allows to reach
To effect resistant to high temperature, when thermally conductive circle 2 and the thermal expansion of steel pipe inner housing 1, pass through round bar 5, piston 7, piston cylinder 6 and damping bullet
Spring 8 makes the expansion to thermally conductive circle 2 and steel pipe inner housing 1 have cushion space, cooperates the vacuum between cooling ring 10 and thermally conductive circle 2
Chamber prevents thermal expansion 3 expansion type of block from squeezing air and cooling ring 10 is cracked so that facilitating the expansion of thermal expansion block 3.
When in use, normal transporting petroleum is allowed to by steel pipe inner housing 1, encloses 2 for steel pipe inner casing by thermally conductive
The heat transfer of body 1 to thermal expansion block 3 to become larger when the thermal expansion volume when conducting heat of block 3, and increasing film-cooled heat makes
The cooling of block 3 must be accelerated to thermally expand, and thermally expand block 3 expand a timing can be close to the inner wall to cooling ring 10, so that cooling
Circle 10 is cooled down by 11 pairs of thermal expansion blocks 3 of cooling tube, is prevented thermal expansion block 3 from continuing to expand, is prevented thermal expansion inside the pipeline
Lead to material cracks, water is provided in cooling tube 11, one end of cooling tube 11 is water inlet end, and the other end of cooling tube 11 is water outlet
End, is pumped into fresh water by water pump and forms circulation and cool down to the oil pipe, allows to reach effect resistant to high temperature, when leading
When gas ket 2 and steel pipe inner housing 1 thermally expand, made by round bar 5, piston 7, piston cylinder 6 and damping spring 8 to 2 and of thermally conductive circle
The expansion of steel pipe inner housing 1 has cushion space, cooperates the vacuum chamber between cooling ring 10 and thermally conductive circle 2, so that facilitating thermal expansion
The expansion of block 3 prevents thermal expansion 3 expansion type of block from squeezing air and cooling ring 10 is cracked.
In conclusion oil field high temperature resistant oil pipe, allows to normal transporting petroleum by steel pipe inner housing 1, lead to
Thermally conductive circle 2 is crossed to make the heat transfer of steel pipe inner housing 1 to thermal expansion block 3 when volume becomes thermal expansion block 3 when conducting heat
Greatly, increase film-cooled heat and make the cooling for accelerating thermal expansion block 3, and thermally expand block 3 expand a timing can be close to cooling
The inner wall of circle 10 prevents thermal expansion block 3 from continuing to expand so that cooling ring 10 is cooled down by 11 pairs of thermal expansion blocks 3 of cooling tube,
It prevents thermal expansion inside the pipeline from leading to material cracks, water is provided in cooling tube 11, one end of cooling tube 11 is water inlet end, cooling
The other end of pipe 11 is water outlet, is pumped into fresh water formation circulation by water pump and cools down to the oil pipe, allows to reach
To effect resistant to high temperature.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of oil field high temperature resistant oil pipe, including steel pipe inner housing (1), it is characterised in that: the table of the steel pipe inner housing (1)
Face is fixedly connected with thermally conductive circle (2), and the surface of the thermally conductive circle (2) has been respectively fixedly connected with thermal expansion block (3) and the first connection
The upper surface of block (4), first link block (4) is fixedly connected with round bar (5), and the surface activity of the round bar (5) is connected with
Piston cylinder (6), and round bar (5) runs through and extends to the inside of piston cylinder (6), the upper surface of the round bar (5) is fixedly connected with
The surface of piston (7), the piston (7) is flexibly connected with the inner wall of piston cylinder (6), and the upper surface of the piston (7) is fixed to be connected
It being connected to damping spring (8), the other end of the damping spring (8) is fixedly connected with the second link block (9), and piston cylinder (6)
Upper surface is fixedly connected with the lower surface of the second link block (9), and the upper surface of second link block (9) is fixedly connected with cooling
It encloses (10), the inside fixation of the cooling ring (10) is inlaid with cooling tube (11), and the outer wall of the cooling ring (10) is fixedly connected
Have fire-retardant oxygen barrier layer (12), the outer wall of the fire-retardant oxygen barrier layer (12) is fixedly connected with mineral wool thermal insulation layer (13), the glass
The outer wall of cotton thermal insulation layer (13) is fixedly connected with outer tube (14).
2. a kind of oil field high temperature resistant oil pipe according to claim 1, it is characterised in that: the number of thermal expansion block (3)
Amount is four, and four thermal expansions block (3) are fixedly connected on the outer wall of thermally conductive circle (2) in the form of annular array.
3. a kind of oil field high temperature resistant oil pipe according to claim 1, it is characterised in that: the cooling tube (11) is to surround
The fixed inside for being embedded in cooling ring (10) of mode, and the both ends of cooling tube (11) are run through cooling ring (10) and are extended to outer
Manage the outside of (14).
4. a kind of oil field high temperature resistant oil pipe according to claim 1, it is characterised in that: the cooling ring (10) and thermally conductive
Enclosing is vacuum chamber between (2).
5. a kind of oil field high temperature resistant oil pipe according to claim 1, it is characterised in that: first link block (4)
Quantity is four, and each first link block (4) is fixedly connected between two neighboring thermal expansion block (3).
6. a kind of oil field high temperature resistant oil pipe according to claim 1, it is characterised in that: the diameter of the piston (7) with
The internal diameter of piston cylinder (6) is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081842.0U CN209145502U (en) | 2018-12-12 | 2018-12-12 | A kind of oil field high temperature resistant oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081842.0U CN209145502U (en) | 2018-12-12 | 2018-12-12 | A kind of oil field high temperature resistant oil pipe |
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| Publication Number | Publication Date |
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| CN209145502U true CN209145502U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822081842.0U Active CN209145502U (en) | 2018-12-12 | 2018-12-12 | A kind of oil field high temperature resistant oil pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524042A (en) * | 2021-09-16 | 2021-10-22 | 南通斯高蕊机械设备有限公司 | Grinding wheel vibration monitoring and alarming device for grinding machine and using method thereof |
-
2018
- 2018-12-12 CN CN201822081842.0U patent/CN209145502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524042A (en) * | 2021-09-16 | 2021-10-22 | 南通斯高蕊机械设备有限公司 | Grinding wheel vibration monitoring and alarming device for grinding machine and using method thereof |
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