CN204175245U - Three-pipe wellhead device - Google Patents
Three-pipe wellhead device Download PDFInfo
- Publication number
- CN204175245U CN204175245U CN201420606790.3U CN201420606790U CN204175245U CN 204175245 U CN204175245 U CN 204175245U CN 201420606790 U CN201420606790 U CN 201420606790U CN 204175245 U CN204175245 U CN 204175245U
- Authority
- CN
- China
- Prior art keywords
- string
- wellhead
- steam injection
- test
- passage
- 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
- 238000012360 testing method Methods 0.000 claims abstract description 84
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 54
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 238000011084 recovery Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control Of Turbines (AREA)
Abstract
The utility model provides a tee pipe wellhead assembly, include: the first cross joint is internally provided with a cross-shaped and communicated transverse channel and a longitudinal channel; the conversion device body is connected above the first four-way joint, and an oil production channel, a steam injection channel and a test channel are longitudinally arranged in the conversion device body, and are parallel to each other, and the oil production channel, the steam injection channel and the test channel are communicated with the longitudinal channel. The three-pipe wellhead device of the utility model can effectively avoid the top edge phenomenon when the coiled tubing is put into the testing channel; because the protective pipe is added into the test hole, the coiled tubing is arranged in the protective pipe, the coiled tubing can be righted, and the phenomenon that the coiled tubing is mutually wound with the sucker rod when the coiled tubing is put into a certain depth can be effectively prevented.
Description
Technical field
The utility model relates to the wellhead assembly in field of petroleum exploitation, particularly relates to a kind of three wellhead for thickened oil recovery.
Background technology
For improving thick oil recovery ratio, generally apply thermal recovery technology at present.Wherein, as the wellhead assembly demand fulfillment production of crucial well control facility, steam injection, test, the technological requirement such as sand washing and well-flushing, adopt three wellhead, can avoid thermal recovery handle up well produce time repeatedly play lower tubular column, but in existing three wellhead, steam injection passage, oil recovery passage and test channel are each other at an angle, through reliable theory calculate and field demonstration, due to the dimension constraint of big four, test channel is with main logical in any angle, when entering test channel under coiled tubing, all easily there is top margin problem.
Utility model content
The purpose of this utility model is to provide a kind of three wellhead, with solve prior art exist coiled tubing under enter test channel time there is top margin problem.
For achieving the above object, the utility model proposes a kind of three wellhead, comprising: the first four-way, offer in cross-shaped and the interconnection be connected and vertical passage in it; Conversion equipment body, be connected to above described first four-way, oil recovery passage, steam injection passage and test channel is longitudinally offered in described conversion equipment body, and described oil recovery passage, described steam injection passage and described test channel are parallel to each other, described oil recovery passage, described steam injection passage are all connected with described vertical passage with described test channel.
Three wellhead as above, wherein, are connected with I-shaped flange above described conversion equipment body, and the top of flow string is connected in described I-shaped flange, and described flow string runs through the vertical passage of described oil recovery passage and described first four-way.
Three wellhead as above, wherein, be connected with main valve, be connected with the second four-way above described main valve above described I-shaped flange, be connected with gate valve above described second four-way, described gate valve is blind rod type Wedge Gate Valves.
Three wellhead as above, wherein, be connected with steam injection string in the steam injection passage of described conversion equipment body, described steam injection string runs through the vertical passage of described first four-way.
Three wellhead as above, wherein, described conversion equipment body is connected with testing tube hanger, described testing tube hanger is connected with the top of test string, and described test string runs through the vertical passage of described test channel and described first four-way.
Three wellhead as above, wherein, are provided with test cable in described test string, and described test cable top is provided with slip-type hanger, and described slip-type hanger is installed in described test channel.
Three wellhead as above, wherein, have coiled tubing in described test string, are arranged with pillar outside described coiled tubing.
Three wellhead as above, wherein, described flow string is 2-7/8 " type oil pipe, described steam injection string is 3-1/2 " type steam inject tube, described test string is 1.900 " type testing tube.
Three wellhead as above, wherein, described flow string and described test string lay respectively at the both sides of described steam injection string.
Three wellhead as above, wherein, the sidewall of the described conversion equipment body outside described steam injection passage is transversely provided with control valve, and described control valve is provided with dial plate, and described control valve and described dial plate are all positioned at perpendicular.
Feature and the advantage of three wellhead of the present utility model are:
1, the utility model is a kind of by oil recovery, steam injection, test integrated multi-functional three wellhead, it produces the axis being parallel of passage, steam injection passage and test channel, thus flow string, steam injection string and test string are be arranged in parallel, the top margin phenomenon occurred when entering test channel under can effectively avoiding coiled tubing;
2, three wellhead of the present utility model, pillar is added in instrument connection, coiled tubing is installed in pillar, centralizing function can be played to coiled tubing, when entering certain depth under can effectively preventing coiled tubing again and between sucker rod, mutual wrapping phenomena occurs;
3, three wellhead of the present utility model, its steam injection passage is axially vertical with big four, and horizontal control valve is parallel with operating personnel, makes observation data more directly reliable;
4, three wellhead of the present utility model adopt the design of one multidigit, mechanism is reasonable, reliable operation, the requirement that the production of heavy crude heat extraction, steam injection and test technology carry out simultaneously can be met, avoid thermal recovery to handle up when well is produced and repeatedly play lower tubular column, simultaneously for the Operating Pressures such as follow-up well workover and sand washing provide device support, improve underground work safety and efficiency of construction, reduce labour intensity, save production cost.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the front view of three wellhead of the present utility model;
Fig. 2 is flow string, steam injection string and the test string top view in sleeve pipe in three wellhead of the present utility model.
Critical element label declaration:
1 oil recovery passage 11 flow string
2 steam injection passages
21 steam injection string 22 control valve 23 control valves install passage
31 test string 32 testing tube hanger 33 annulus logging gate valves
4 first four-way 5 conversion equipment body 6 I-shaped flanges
7 main valve 8 second four-way 9 gate valves
10 sleeve pipes
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1, the utility model provides a kind of three wellhead, comprises the first four-way 4 and conversion equipment body 5, wherein, offers in cross-shaped and the interconnection be connected and vertical passage in the first four-way 4; Conversion equipment body 5 is connected to above the first four-way 4, longitudinally offering oil recovery passage 1, steam injection passage 2 and test channel in conversion equipment body 5 (schemes not shown, be arranged in the back side of Fig. 1 steam injection passage 2), and the passage 1 that recovers the oil, steam injection passage 2 and test channel are parallel to each other, oil recovery passage 1, steam injection passage 2 and test channel are all connected with the vertical passage of the first four-way 4.Wherein, the first four-way 4 is big four.
Three wellhead of the present utility model, are designed to axis being parallel by oil recovery passage 1, steam injection passage 2 and test channel, enter test channel, there will not be top margin phenomenon under coiled tubing is vertical.In the present embodiment, be vertical under enter 1.9 cun of integral joint tubings.
In a specific embodiment, be connected with I-shaped flange 6 above conversion equipment body 5, the top of flow string 11 is connected in I-shaped flange 6, and flow string 11 runs through the vertical passage of oil recovery passage 1 and the first four-way 4.Namely the top of flow string 11 is connected with I-shaped flange 6, and seat is on conversion equipment body 5.
Wherein, be connected with main valve 7 above I-shaped flange 6, be connected with above main valve 7 above second four-way 8, second four-way 8 and be connected with gate valve 9, gate valve 9 is blind rod type Wedge Gate Valves.Wherein the handwheel of blind rod type Wedge Gate Valves is left-handed for opening, and dextrorotation is for closing; Second four-way 8 is little four-way.
This gate valve blocks air-flow, oil stream use in producing as steam injection oil recovery, in operational use, should use and be in standard-sized sheet or complete shut-down two kinds of positions, not allow to make adjustments flow use, otherwise can affect sealing performance and the application life of valve.Valve in use, regularly should add lubricating grease in bearing support.
In the embodiment shown in fig. 1, be connected with steam injection string 21 in the steam injection passage 2 of conversion equipment body 5, steam injection string 21 runs through the vertical passage of the first four-way 4.Namely the top of steam injection string 21 is connected with conversion equipment body 5, and seat is on the first four-way 4.
Wherein, the sidewall of the conversion equipment body 5 outside steam injection passage 2 is transversely provided with control valve 22, and control valve 22 is provided with dial plate, and control valve 22 and dial plate are all positioned at perpendicular.
Specifically, between the side tube wall of conversion equipment body 5 and steam injection passage 2, laterally offering control valve installs passage 23, control valve 22 is installed on control valve and installs on passage 23, and control valve 22 is installed passage 23 by control valve and can be stretched in steam injection passage 2, to control conducting or the cut-off of steam injection passage 2.Namely control valve 22 is vertical with the axis (i.e. vertical passage) of big four, dial plate is parallel with the vertical passage of big four, control valve 22 is horizontal control valve, control valve 22 is axially parallel with operating personnel, make the dial plate digital independent at control valve 22 place more directly reliable, and steam injection hole and flange shaft are to becoming a fixed angle of altitude in existing three wellhead, in a certain angle with the axis, it is very inconvenient that this makes control valve place read dial plate data to control valve.
In another specific embodiment, conversion equipment body 5 is connected with testing tube hanger 32, the corresponding test channel of testing tube hanger 32, testing tube hanger 32 is connected with the top of test string 31, and test string 31 runs through the vertical passage of test channel and the first four-way 4.Namely the top of test string is connected with testing tube hanger 32, and seat is on conversion equipment body 5.
Wherein, in test string 31, there is coiled tubing, outside coiled tubing, be arranged with pillar.In common three wellhead, coiled tubing in test string, under enter certain depth time, coiled tubing easily and sucker rod generation wrapping phenomena, consequence is difficult to the imagination, the utility model adds pillar in instrument connection, can play the effect of righting, effectively can prevent the mutual wrapping phenomena of down-hole oil tube again.
In addition, be provided with test cable in test string 31, test cable top is provided with slip-type hanger, and slip-type hanger is installed in test channel.
As shown in Figure 2, in a feasible technical scheme, flow string 11 is 2-7/8 " oil pipe, steam injection string 21 is 3-1/2 " steam inject tube, and test string 31 is 1.900 " testing tube.Be sheathed on flow string 11, the sleeve pipe of steam injection string 21 and test string 31 outside be 9 " sleeve pipe.
As shown in Figure 2, in the present embodiment, flow string 11 and test string 31 lay respectively at the both sides of steam injection string 21, the center arrangement triangular in shape of flow string 11, test string 31 and steam injection string 21.
Three wellhead of the present utility model, 3-1/8 " gate valve 9 is seated on the second four-way 8 (little four-way), little four-way is seated at 3-1/8 " and on main valve 7,3-1/8 " main valve 7 connects I-shaped flange 6.The other connecting test pipe hanger 32 of the main reduction of fractions to a common denominator of changing device body 5, I-shaped flange 6 and steam injection valve.First four-way 4 (big four) is communicated with 2-9/16 " annulus logging gate valve 33, the effect of annulus logging gate valve is test and reads data.Casing flange is connected with big four 7.
The installation process of three wellhead of the present utility model is as follows:
Conversion equipment body 5 is loaded on the first four-way 4 (big four).First be connected with casing flange by big four during assembling, then descend steam injection string 21 (installing starting taper bottom), steam injection string 21 is finally connected with conversion equipment body 5, and seat is on big four.
Then I-shaped flange 6 is arranged on conversion equipment body 5.Flow string 11 installs starting taper bottom, enters casing space by the oil recovery passage on conversion equipment body 5, and flow string 11 is topmost connected with I-shaped flange 6, and seat is on conversion equipment body 5.
Production tree is arranged on I-shaped flange 6, the 3-1/8 main valve 7 below production tree is connected with I-shaped flange 6.
Finally test string 31 is arranged on conversion equipment body 5.Test string 31 installs starting taper bottom, and the test channel through conversion equipment body 5 enters casing annulus, and test string 31 is topmost connected with testing tube hanger 32, and seat is on conversion equipment 6.
Multi-functional three wellhead of the present utility model, steam injection string, flow string, test string three pipe parallel construction effectively can solve test coiled tubing because of top margin and cannot enter down precalculated position and the coiled tubing problem such as winding at down-hole and flow string; Cyclic preheat can be realized, accompany hot lifting, water filling cooling and dynamic monitoring, thus make the techniques such as production, steam injection and test become simple efficient.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each ingredient of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in manual of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case inventive point in the nature of things and combines and embody rule.
Claims (10)
1. three wellhead, is characterized in that, described three wellhead comprise:
First four-way, offers in cross-shaped and the interconnection be connected and vertical passage in it;
Conversion equipment body, be connected to above described first four-way, oil recovery passage, steam injection passage and test channel is longitudinally offered in described conversion equipment body, and described oil recovery passage, described steam injection passage and described test channel are parallel to each other, described oil recovery passage, described steam injection passage are all connected with described vertical passage with described test channel.
2. three wellhead as claimed in claim 1, it is characterized in that, be connected with I-shaped flange above described conversion equipment body, the top of flow string is connected in described I-shaped flange, and described flow string runs through the vertical passage of described oil recovery passage and described first four-way.
3. three wellhead as claimed in claim 2, is characterized in that, be connected with main valve, be connected with the second four-way above described main valve above described I-shaped flange, are connected with gate valve above described second four-way, and described gate valve is blind rod type Wedge Gate Valves.
4. three wellhead as claimed in claim 2, is characterized in that, are connected with steam injection string in the steam injection passage of described conversion equipment body, and described steam injection string runs through the vertical passage of described first four-way.
5. three wellhead as claimed in claim 4, it is characterized in that, described conversion equipment body is connected with testing tube hanger, and described testing tube hanger is connected with the top of test string, and described test string runs through the vertical passage of described test channel and described first four-way.
6. three wellhead as claimed in claim 5, is characterized in that, are provided with test cable in described test string, and described test cable top is provided with slip-type hanger, and described slip-type hanger is installed in described test channel.
7. three wellhead as claimed in claim 5, is characterized in that, have coiled tubing in described test string, are arranged with pillar outside described coiled tubing.
8. three wellhead as claimed in claim 5, is characterized in that, described flow string is 2-7/8 " type oil pipe, described steam injection string is 3-1/2 " type steam inject tube, and described test string is 1.900 " type testing tube.
9. three wellhead as claimed in claim 5, is characterized in that, described flow string and described test string lay respectively at the both sides of described steam injection string.
10. three wellhead as claimed in claim 1, it is characterized in that, the sidewall of the described conversion equipment body outside described steam injection passage is transversely provided with control valve, and described control valve is provided with dial plate, and described control valve and described dial plate are all positioned at perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606790.3U CN204175245U (en) | 2014-10-20 | 2014-10-20 | Three-pipe wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606790.3U CN204175245U (en) | 2014-10-20 | 2014-10-20 | Three-pipe wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175245U true CN204175245U (en) | 2015-02-25 |
Family
ID=52564062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420606790.3U Expired - Fee Related CN204175245U (en) | 2014-10-20 | 2014-10-20 | Three-pipe wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175245U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790907A (en) * | 2015-03-16 | 2015-07-22 | 宝鸡石油机械有限责任公司 | Tubing head blocking isolating valve for fracture wellhead device |
| CN104963634A (en) * | 2015-07-02 | 2015-10-07 | 中国石油天然气股份有限公司 | Method for tripping sucker rod |
| CN106812493A (en) * | 2015-12-02 | 2017-06-09 | 中国石油天然气股份有限公司 | Multi-pipe thermal recovery wellhead device |
| CN110757056A (en) * | 2019-09-24 | 2020-02-07 | 张洪伟 | Assembly welding device of Christmas tree guide frame |
-
2014
- 2014-10-20 CN CN201420606790.3U patent/CN204175245U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790907A (en) * | 2015-03-16 | 2015-07-22 | 宝鸡石油机械有限责任公司 | Tubing head blocking isolating valve for fracture wellhead device |
| CN104963634A (en) * | 2015-07-02 | 2015-10-07 | 中国石油天然气股份有限公司 | Method for tripping sucker rod |
| CN104963634B (en) * | 2015-07-02 | 2017-06-13 | 中国石油天然气股份有限公司 | Method for tripping sucker rod |
| CN106812493A (en) * | 2015-12-02 | 2017-06-09 | 中国石油天然气股份有限公司 | Multi-pipe thermal recovery wellhead device |
| CN110757056A (en) * | 2019-09-24 | 2020-02-07 | 张洪伟 | Assembly welding device of Christmas tree guide frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102979495B (en) | Many bunches of Limited entry fracturing tubing strings of open-hole horizontal well and fracturing process thereof | |
| US20130000918A1 (en) | Flow module placement between a subsea tree and a tubing hanger spool | |
| CN204175245U (en) | Three-pipe wellhead device | |
| CN103089199A (en) | Depleted oil-gas reservoir underground gas storage injection-production string and operating method thereof | |
| CN204703876U (en) | Bridge type concentric separate injection pipe column | |
| CA2873712A1 (en) | Methods and systems for performance of subterranean operations using dual string pipes | |
| CN201810286U (en) | Separate mining mixed pumping pipe column suitable for two-layer mining | |
| CN104481484A (en) | Horizontal well segmented intermittent steam huff and puff injection-production integrated pipe column | |
| CN202900175U (en) | Pressure measuring well completion pipe string for suspension pressure gauge of gas storage | |
| CN203441440U (en) | Thickened oil recovery system for horizontal well | |
| CN203626759U (en) | Production pipe column with electric submersible pump and jet pump jointly lifted | |
| CN103790542B (en) | Coiled tubing suspension sealing device for testing under high-temperature belt pressure and using method | |
| CN203239303U (en) | Exploitation device for injection and production in the same well | |
| CN204386576U (en) | Horizontal well in segments Intermittent cyclic steam stimulation note adopts integrated pipe column | |
| CN104818972A (en) | Offshore thick oil heat injection and oil extraction pipe column and method | |
| CN204782960U (en) | Integrated tubular column of water water injection sand control is adopted to individual well | |
| CN204200150U (en) | A kind of wellhead tree tree device for the anticorrosion water filling of multitube | |
| CN203394451U (en) | Leakage-sealing water-plugging oil production pipe column for thickened oil horizontal well | |
| CN204899857U (en) | Geothermal well is with high temperature resistant multi -functional floating valve | |
| CN203603775U (en) | Segmented mining process pipe column for rapidly recovering productivity of horizontal sand prevention failure well | |
| CN102465693A (en) | Underground coal gasification drilling well body structure and construction method thereof | |
| CN206668217U (en) | Annulus logging well hydraulic oil drain device | |
| CN203948064U (en) | A kind of eccentric testing wellhead assembly | |
| CN203515533U (en) | Adjustable steam injection pipe column of horizontal well | |
| CN2851546Y (en) | Leak proof packer |
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: 20150225 |