CN202441330U - Heat insulation oil tube device - Google Patents
Heat insulation oil tube device Download PDFInfo
- Publication number
- CN202441330U CN202441330U CN2012200693497U CN201220069349U CN202441330U CN 202441330 U CN202441330 U CN 202441330U CN 2012200693497 U CN2012200693497 U CN 2012200693497U CN 201220069349 U CN201220069349 U CN 201220069349U CN 202441330 U CN202441330 U CN 202441330U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat insulation
- pipe
- tube
- outer tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000002955 isolation Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 4
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a heat insulation oil tube device which comprises an inner tube with a heat insulation layer arranged on the outer surface, an outer tube, heat insulation sealing rings and an outer thread lining tube, wherein the inner tube is sleeved on the middle portion in the outer tube, the heat insulation sealing rings are arranged on two sides of the inner tube, and the outer thread lining tube is arranged on the outer side of the heat insulation sealing rings and connected with the outer tube in sealing mode. According to the heat insulation oil tube device, thread and heat insulation material sealing replaces welding joint sealing, the inner tube and the outer tube are separated and prevented from being contacted with welding joints to dissipate heat, and heat insulation measures are conducted on oil tube connection hoops, so that heat loss of a heat insulation oil tube is greatly reduced.
Description
Technical field
The utility model relates to the petroleum machinery technical field, specifically is a kind of insulated tubing device.
Background technology
Insulated tubing is the important thermally insulating the borehole instrument of steam injection heavy crude heat extraction.Utilize insulated tubing to annotate vapour; Can make more heat get into oil reservoir; Improve the steam quality that arrives the shaft bottom, thereby obtain the effect of heavy oil development raising the output, prevent oil well casing and cement sheath Yin Gaowen simultaneously and deformed damaged; Improve sleeve pipe application life, so the effect of heat insulation of insulated tubing directly has influence on the thermal recovery effect.The insulated tubing that uses has at present only adopted the bimetallic tube vacuum heat-insulation to body portion, but the heat waste at box cupling and inner and outer pipes weld seam two places is bigger.
The utility model content
The purpose of the utility model provides the low insulated tubing device of a kind of heat waste.
A kind of insulated tubing device according to the utility model provides comprises: external surface is provided with interior pipe, outer tube, heat-insulating and sealing ring and the external screw thread bushing pipe of isolation layer;
Pipe box is connected on middle part in the said outer tube in said;
Said heat-insulating and sealing ring is arranged on said interior pipe both sides;
Said external screw thread bushing pipe is arranged on the said heat-insulating and sealing ring outside, and is tightly connected with said outer tube.
Further, said outer tube wall and external screw thread bushing pipe outer wall are provided with fine thread and the sealing surface that cooperatively interacts.
Further, 90 ° of flange in two ends of said interior pipe, the outside dimension of interior pipe is less than the internal diameter size of outer tube behind the flange.
Further, described insulated tubing device also comprises:
Insulation bushing and box cupling;
Said insulation bushing is arranged on the said heat-insulating and sealing ring outside, and is connected with said box cupling.
Further, the outside dimension of the internal diameter of said external screw thread bushing pipe and said insulation bushing equates;
The internal diameter of the internal diameter of said insulation bushing, said heat-insulating and sealing ring equates with the internal diameter size of said interior pipe respectively;
The external diameter of said heat-insulating and sealing ring will equate with the internal diameter size of outer tube.
A kind of insulated tubing device that the utility model provides utilizes the sealing of screw thread and heat-barrier material to replace the weld seam sealing, and inner and outer pipes is separated, and avoids weld seam contact heat radiation, and provision for thermal insulation is taked in tubing coupling, significantly reduces the insulated tubing heat waste.
Description of drawings
The structural representation of the insulated tubing device that Fig. 1 provides for the utility model embodiment.
The specific embodiment
Insulated tubing device as shown in Figure 1, that the utility model embodiment provides comprises box cupling 1, insulation bushing 2, external screw thread bushing pipe 3, outer tube 4, isolation layer 5, interior pipe 6 and heat-insulating and sealing ring 7.Wherein, isolation layer 5 adopt heat-barrier materials be produced in the external surface of pipe 6, heat-barrier material be with the Aluminium Foil Package that has hole in interior pipe 6 outsides, coat the 2-15 layer as required, and sprinkle getter, whenever constitute at interval with the glass fabric that toasted in the middle of two-layer.90 ° of flange in two ends of interior pipe 6, the outside dimension of interior pipe 6 is less than the internal diameter size of outer tube 4 behind the flange.Interior pipe 6 is socketed in middle parts in the outer tube 4.Pipe 6 both sides in heat-insulating and sealing ring 7 is arranged on.Outer tube 4 inwalls and external screw thread bushing pipe 3 outer walls are provided with fine thread and the sealing surface that cooperatively interacts; External screw thread bushing pipe 3 is arranged on heat-insulating and sealing ring 7 outsides; And be tightly connected through fine thread structure and sealing surface and outer tube 4; Play sealing function through the effect jam-packed heat-insulating and sealing ring of detaining on the screw thread 7 with interior pipe 6 on the one hand, the sealing surface through screw thread partly carries out hermetic seal to the inner and outer pipe annular space on the other hand.Insulation bushing 2 is arranged on heat-insulating and sealing ring 7 outsides, and is connected with box cupling 1, is used for carrying out heat insulation to box cupling 1.The outside dimension of the internal diameter of external screw thread bushing pipe 3 and insulation bushing 2 equates; The internal diameter of the internal diameter of insulation bushing 2, heat-insulating and sealing ring 7 equates with the internal diameter size of interior pipe 6 respectively; The external diameter of heat-insulating and sealing ring 7 will equate with the internal diameter size of outer tube 4, the sealing that is connected between pipe 6 and the outer tube 4 in being used to strengthen.
The step of making insulated tubing device shown in Figure 1 is following:
Step S1: pipe 6 in the assembling; Interior pipe 6 (small size external upset tubing) two ends are carried out near 90 ° of flange; Interior pipe 6 outside dimensions behind the flange are less than the internal diameter size of outer tube 4; Internally the external surface of pipe 6 carries out bead; Heat-barrier material is wrapped in interior outside of managing, and uniform device centralizer formation isolation layer 5, the interior pipe 6 that will install then carries out the integral body oven dry.
Step S2: inner and outer pipe assembling; After the internal diameter of outer tube 4 carried out bead, interior pipe 5 combinations of the oven dry of packing into, the heat-insulating and sealing ring 7 of packing at the two ends of interior pipe 6; Pipe 6 is positioned under the prerequisite of outer tube 4 centers in guaranteeing then; External screw thread bushing pipe 3 is detained from two ends simultaneously; Play sealing function through the effect jam-packed heat-insulating and sealing ring of detaining on the screw thread 7 with interior pipe 3 on the one hand, the sealing surface through screw thread partly carries out hermetic seal to the inner and outer pipe annular space on the other hand.
Step S3: vacuumize; The evacuation holes of aiming at outer tube 4 one ends vacuumizes, and after vacuum reaches design standard, adopts electric resistance welding method that evacuation holes is carried out the shutoff welding.
Step S4: box cupling is installed, insulation bushing is placed the heat-insulating and sealing ring outside, box cupling is played heat-blocking action.
A kind of insulated tubing device that the utility model provides utilizes the sealing of screw thread and heat-barrier material to replace the weld seam sealing, and inner and outer pipes is separated, and avoids weld seam contact heat radiation, and provision for thermal insulation is taked in tubing coupling, significantly reduces the insulated tubing heat waste.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (5)
1. an insulated tubing device is characterized in that, comprising:
External surface is provided with interior pipe, outer tube, heat-insulating and sealing ring and the external screw thread bushing pipe of isolation layer;
Pipe box is connected on middle part in the said outer tube in said;
Said heat-insulating and sealing ring is arranged on said interior pipe both sides;
Said external screw thread bushing pipe is arranged on the said heat-insulating and sealing ring outside, and is tightly connected with said outer tube.
2. insulated tubing device as claimed in claim 1 is characterized in that:
Said outer tube wall and external screw thread bushing pipe outer wall are provided with fine thread and the sealing surface that cooperatively interacts.
3. insulated tubing device as claimed in claim 1 is characterized in that:
90 ° of flange in two ends of pipe in said, the outside dimension of interior pipe is less than the internal diameter size of outer tube behind the flange.
4. like each described insulated tubing device of claim 1-3, it is characterized in that, also comprise:
Insulation bushing and box cupling;
Said insulation bushing is arranged on the said heat-insulating and sealing ring outside, and is connected with said box cupling.
5. insulated tubing device as claimed in claim 4 is characterized in that:
The internal diameter of said external screw thread bushing pipe and the outside dimension of said insulation bushing equate;
The internal diameter of the internal diameter of said insulation bushing, said heat-insulating and sealing ring equates with the internal diameter size of said interior pipe respectively;
The external diameter of said heat-insulating and sealing ring will equate with the internal diameter size of outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200693497U CN202441330U (en) | 2012-02-28 | 2012-02-28 | Heat insulation oil tube device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200693497U CN202441330U (en) | 2012-02-28 | 2012-02-28 | Heat insulation oil tube device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441330U true CN202441330U (en) | 2012-09-19 |
Family
ID=46822783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200693497U Expired - Fee Related CN202441330U (en) | 2012-02-28 | 2012-02-28 | Heat insulation oil tube device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441330U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612628A (en) * | 2015-02-02 | 2015-05-13 | 中国海洋石油总公司 | Method for prolonging service life of vacuum insulated oil tube by filling high-pressure argon |
| CN104975814A (en) * | 2015-06-30 | 2015-10-14 | 中国石油天然气股份有限公司 | Heat insulation pipe and gas injection pipe column thereof |
| CN107299824A (en) * | 2016-04-16 | 2017-10-27 | 山东鸿盛石油化工装备有限公司 | A kind of insulated tubing with box cupling insulation system |
| RU190664U1 (en) * | 2019-02-15 | 2019-07-08 | Вячеслав Алексеевич Рязанов | Thermal insulation direction |
| CN110439476A (en) * | 2019-07-16 | 2019-11-12 | 中国石油化工股份有限公司 | A kind of direct linkage type is without prestressing force insulated tubing |
| CN111335822A (en) * | 2020-04-01 | 2020-06-26 | 刘兴仁 | Pressure-resistant lining heat-insulation oil pipe |
| CN111734622A (en) * | 2020-07-27 | 2020-10-02 | 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | A high-efficiency pump pipe for geothermal water mining |
-
2012
- 2012-02-28 CN CN2012200693497U patent/CN202441330U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612628A (en) * | 2015-02-02 | 2015-05-13 | 中国海洋石油总公司 | Method for prolonging service life of vacuum insulated oil tube by filling high-pressure argon |
| CN104975814A (en) * | 2015-06-30 | 2015-10-14 | 中国石油天然气股份有限公司 | Heat insulation pipe and gas injection pipe column thereof |
| CN104975814B (en) * | 2015-06-30 | 2018-03-13 | 中国石油天然气股份有限公司 | Insulated pipe and gas injection string |
| CN107299824A (en) * | 2016-04-16 | 2017-10-27 | 山东鸿盛石油化工装备有限公司 | A kind of insulated tubing with box cupling insulation system |
| RU190664U1 (en) * | 2019-02-15 | 2019-07-08 | Вячеслав Алексеевич Рязанов | Thermal insulation direction |
| CN110439476A (en) * | 2019-07-16 | 2019-11-12 | 中国石油化工股份有限公司 | A kind of direct linkage type is without prestressing force insulated tubing |
| CN111335822A (en) * | 2020-04-01 | 2020-06-26 | 刘兴仁 | Pressure-resistant lining heat-insulation oil pipe |
| CN111734622A (en) * | 2020-07-27 | 2020-10-02 | 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | A high-efficiency pump pipe for geothermal water mining |
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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: 20120919 Termination date: 20210228 |