CN208502714U - The test wellhead assembly of oil-water well - Google Patents
The test wellhead assembly of oil-water well Download PDFInfo
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- CN208502714U CN208502714U CN201820919984.7U CN201820919984U CN208502714U CN 208502714 U CN208502714 U CN 208502714U CN 201820919984 U CN201820919984 U CN 201820919984U CN 208502714 U CN208502714 U CN 208502714U
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- blind plate
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Abstract
The utility model relates to a kind of test wellhead assemblies of oil-water well, including the four-way being mounted on above wellhead casing pipe, the top of four-way is equipped with four-way upper port flange, crossover flange is installed above four-way upper port flange, crossover flange includes the round blind plate for covering four-way upper port, the surrounding of round blind plate is uniformly provided with the crossover flange lug radially stretched out, the center of each crossover flange lug is respectively equipped with crossover flange bolt hole, and each crossover flange bolt hole is corresponding with the bolt hole of four-way top flange respectively and is connected with each other by crossover flange bolt；It is realized and is sealed by metallic packing ring between the lower end surface and four-way upper port flange of round blind plate, the upper surface center of round blind plate is equipped with the round pipe nipple stretched out upwards, and the inner cavity of round pipe nipple is equipped with pipe nipple internal screw thread and is screwed with blowout prevention standpipe.It is connect using crossover flange with four-way and blowout prevention standpipe, enormously simplifies structure, alleviate weight, safe operation is quick, and reduces and influence each other with operation team.
Description
Technical field
The utility model relates to a kind of wellhead assemblies of oil-water well more particularly to a kind of test of oil-water well to be filled with well head
It sets, for being connected to the top of casing flange, belongs to oil water well test technical field.
Background technique
Production tree is the wellhead assembly that flowing well and machine-pumped oil well etc. are used to exploit petroleum.It is the control of oil/gas well topmost
Capital equipment with production of hydrocarbons is adjusted, is mainly made of casing head, tubing head, production tree ontology three parts.Production tree is by oil
Pipe hanger and many gates and four-way composition, are directly installed on casing head.
When oil water well test, need to disassemble the part of four-way or more, well head overflow destroys ecological environment, warp in order to prevent
Blowout prevention standpipe is often installed on blowout preventer, main function is to increase well head, to improve the static pressure of fluid column in pit shaft, in well
Workover fluid in cylinder is recovered in specified container before overflowing and is handled, to prevent ecological environment from being destroyed.
It is the work interted in operation process that oil, well, which visit the test operations such as sand face, to allow lubricator and well head
It is connected, upper flange and test strobe is installed again after need to first dismantling blowout preventer, is then connected with bushing, clip with lubricator and is carried out
Test operation shows slightly heavy since upper flange lid and test strobe are connected, and about 100 kilograms, operative employee during the installation process, needs people
Power carries out lift extract operation, time-consuming and laborious and heavy workload.
Work is tested when carrying out oil, well visiting the test operations such as sand face, since there are cross-operation with operation team, is needed back and forth
Blowout preventer and installation casing upper flange are dismantled, time-consuming is sometimes up to four, five hours, to catch up with job schedule often to work all through the night.
Since the greasy dirt of wellhead ground is more on working well, ground soil is moist, during artificial lift takes upper flange,
Staff easily slips；When carrying out installation operation, if tool is firmly excessive or improper use, easily flies out and cause artificially to injure.
Utility model content
The purpose of this utility model is that overcoming problems of the prior art, the test for providing a kind of oil-water well is used
Wellhead assembly, structure is simple, light-weight, installs time saving and energy saving and does not have security risk.
In order to solve the above technical problems, the test wellhead assembly of a kind of oil-water well of the utility model, including be mounted on
Four-way above wellhead casing pipe, the top of the four-way are equipped with four-way upper port flange, peace above the four-way upper port flange
Equipped with crossover flange, the crossover flange includes the round blind plate for covering four-way upper port, and the surrounding of the circle blind plate is uniform
Equipped with the crossover flange lug radially stretched out, the center of each crossover flange lug is respectively equipped with crossover flange bolt hole,
Each crossover flange bolt hole is corresponding with the bolt hole of four-way top flange respectively and is connected with each other by crossover flange bolt；Institute
It states and sealing, the circle blind plate is realized by metallic packing ring between the lower end surface of round blind plate and the four-way upper port flange
Upper surface center be equipped with the round pipe nipple that stretches out upwards, the inner cavity of the circle pipe nipple is equipped with pipe nipple internal screw thread and is screwed with anti-
Spray standpipe；The upper end of the blowout prevention standpipe is equipped with the bell and spigot of diameter amplification, and the circle that section is T shape is plugged in the bell and spigot
Shape step inserting column, the reduced diameter section of step cutting pattern inserting column lower part are plugged in the bell and spigot of the blowout prevention standpipe, the circle
The enlarged diameter section on shape step inserting column top is supported in the upper port of the blowout prevention standpipe, and step cutting pattern inserting column top is straight greatly
The outer wall of diameter section is connected with L bracket, and the transverse arm of the L bracket extends outwardly along the radial level of step cutting pattern inserting column, institute
It states and top sheave is installed at the top of the vertical arm of L bracket, steel wire for logging, the right end of the steel wire for logging are surrounded on the top sheave
With the blowout prevention standpipe coaxial line and suspention has blowout-preventing choke plug, and there is test in the lower end of the blowout-preventing choke plug by steel wire for logging suspention
Instrument；The left end of the steel wire for logging is connected on angle pulley and with winch.
Compared with the existing technology, the utility model achieves following the utility model has the advantages that using special crossover flange and four-way
Upper port flange is connected, and the round pipe nipple of crossover flange is directly connect with blowout prevention standpipe；It avoids and is installed on four-way
Then flange and test strobe are connected with bushing, clip and blowout prevention standpipe, structure are enormously simplified, due to being directly installed on four
On logical, the installation site of crossover flange is relatively low, is more convenient to operate；Wherein the weight of crossover flange is only 2.5 kilograms, is tied with original
100 kilograms of structure are compared, and weight is significantly reduced, it is only necessary to installation can be completed within 10 minutes, without several operative employees in greasy dirt ring
Lift takes in border, and safe operation is quick, and reduces and the influencing each other when cross-operation of operation team.L bracket is as top sheave
Mounting bracket is connected on the circumference of step cutting pattern inserting column, the bell and spigot of the lower end insertion blowout prevention standpipe of step cutting pattern inserting column, phase
Mutual cooperation shake L bracket will not；Step cutting pattern inserting column upper seat in the upper port of blowout prevention standpipe, make L bracket and
Top sheave is positioned in short transverse.Test equipment, very Portable power saving are suspended in midair by top sheave and steel wire for logging, are conducive to
Test equipment along casing center line downlink, reduce downlink during collide with.Step cutting pattern inserting column need to be only extracted upwards
Remove L bracket and top sheave.
As the improvement of the utility model, under the internal thread segment of the lower port of the blowout prevention standpipe and the round pipe nipple
Pipe nipple sealing ring is equipped between fang platform terrace.As blowout prevention standpipe is screwed in place in round pipe nipple, pipe nipple sealing ring is compacted,
Ensure to realize between blowout prevention standpipe and round pipe nipple and seal.
The crossover flange lug is uniformly set along the surrounding of the round blind plate as a further improvement of the utility model,
There are four.
The top of the test equipment is equipped with up-small and down-big taper and salvages as a further improvement of the utility model,
Tooth, the lower end of the test equipment are connected with weighted lever, and the lower end of the weighted lever is equipped with taper target seeker.Taper salvages tooth just
In carrying out underground fishing to test equipment, taper target seeker plays guiding role, guarantees that test equipment and weighted lever are smoothly gone into the well.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments, and attached drawing only provides ginseng
It examines and illustrates to use, it is non-to limit the utility model.
Fig. 1 is the test of the utility model oil-water well structural schematic diagram of wellhead assembly.
Fig. 2 is the perspective view of crossover flange in Fig. 1.
Fig. 3 is the explosive view of crossover flange and four-way connecting portion in Fig. 1.
Fig. 4 is the enlarged drawing of crossover flange and blowout prevention standpipe connecting portion in Fig. 1.
Fig. 5 is the enlarged drawing of blowout prevention riser upper in Fig. 1.
In figure: 1. four-ways；1a. four-way upper port flange；2. crossover flange；2a. circle blind plate；2b. crossover flange lug；
2c. crossover flange bolt hole；2d. circle pipe nipple；2d1. pipe nipple internal screw thread；3. metallic packing ring；4. pipe nipple sealing ring；5. blowout prevention
Standpipe；6. step cutting pattern inserting column；7.L shape bracket；8. top sheave；9. angle pulley；10. steel wire for logging；11. blowout-preventing choke plug；12.
Test equipment；12a. taper salvages tooth；13. weighted lever；14. taper target seeker.
Specific embodiment
As shown in Figures 1 to 5, the test wellhead assembly of the utility model oil-water well includes being mounted on above wellhead casing pipe
Four-way 1, the top of four-way 1 is equipped with four-way upper port flange 1a, is equipped with crossover flange 2 above four-way upper port flange 1a,
Crossover flange 2 includes the round blind plate 2a of capping four-way upper port, and the surrounding of round blind plate 2a, which is uniformly provided with, radially stretches
Crossover flange lug 2b out, such as crossover flange lug 2b are uniformly provided with four along the surrounding of round blind plate 2a.Each transformation approach
The center of blue lug 2b is respectively equipped with crossover flange bolt hole 2c, each crossover flange bolt hole 2c respectively with four-way top flange
Bolt hole is corresponding and is connected with each other by crossover flange bolt；The lower end surface of round blind plate 2a and four-way upper port flange 1a it
Between sealing realized by metallic packing ring 3, the upper surface center of round blind plate 2a is equipped with the round pipe nipple 2d stretched out upwards, round
The inner cavity of pipe nipple 2d is equipped with pipe nipple internal screw thread 2d1 and is screwed with blowout prevention standpipe 5.
It is connected using special crossover flange 2 with four-way upper port flange 1a, and the round pipe nipple 2d of crossover flange 2 is straight
It connects and is connect with blowout prevention standpipe；It avoids and upper flange and test strobe is installed on four-way 1, it is then vertical with bushing, clip and blowout prevention
Pipe connection, enormously simplifies structure, due to being directly installed on four-way 1, the installation site of crossover flange 2 is relatively low, is more convenient for
Operation；Wherein the weight of crossover flange 2 is only 2.5 kilograms, compared with 100 kilograms of original structure, significantly reduces weight, it is only necessary to
Installation can be completed within 10 minutes, lift and take in oil pollution environment without several operative employees, safe operation is quick, and reduces and operation team
Influencing each other when cross-operation.
The upper end of blowout prevention standpipe 5 is equipped with the bell and spigot of diameter amplification, and the step cutting pattern that section is T shape is plugged in bell and spigot
The reduced diameter section of inserting column 6,6 lower part of step cutting pattern inserting column is plugged in the bell and spigot of blowout prevention standpipe 5,6 top of step cutting pattern inserting column
Enlarged diameter section be supported in the upper port of blowout prevention standpipe 5, the outer wall of 6 top enlarged diameter section of step cutting pattern inserting column is connected with L shape
The transverse arm of bracket 7, L bracket 7 extends outwardly along the radial level of step cutting pattern inserting column 6, installation at the top of the vertical arm of L bracket 7
There is top sheave 8, steel wire for logging 10 is surrounded on top sheave 8, the right end of steel wire for logging 10 is with 5 coaxial line of blowout prevention standpipe and suspention has
There is test equipment 12 in the lower end of blowout-preventing choke plug 11, blowout-preventing choke plug 11 by the suspention of steel wire for logging 10；The left end of steel wire for logging 10 around
Packet is connected on angle pulley 9 and with winch.
Mounting bracket of the L bracket 7 as top sheave 8, is connected on the circumference of step cutting pattern inserting column 6, and step cutting pattern is inserted
The bell and spigot of the lower end insertion blowout prevention standpipe 5 of column 6, mutual cooperation shake L bracket 7 will not；6 top of step cutting pattern inserting column
Seat enables L bracket 7 and top sheave 8 to position in short transverse in the upper port of blowout prevention standpipe 5.Pass through top sheave 8 and record
Well steel wire 10 suspends test equipment 12, very Portable power saving in midair, is conducive to center line downlink of the test equipment 12 along casing, under reduction
Colliding with during row.Step cutting pattern inserting column 6 only need to be extracted upwards, can remove L bracket 7 and top sheave 8.
Pipe nipple sealing ring is equipped between the lower port of blowout prevention standpipe 5 and the lower section step surface of the internal thread segment of round pipe nipple 2d
4.As blowout prevention standpipe 5 is screwed in place in round pipe nipple 2d, pipe nipple sealing ring 4 is compacted, it is ensured that blowout prevention standpipe 5 and circle are short
It saves and realizes sealing between 2d.
The top of test equipment 12 is equipped with up-small and down-big taper and salvages tooth 12a, and the lower end of test equipment 12, which is connected with, to be added
The lower end of weight bar 13, weighted lever 13 is equipped with taper target seeker 14.Taper is salvaged tooth 12a and is beaten convenient for carrying out underground to test equipment 12
Fishing, taper target seeker 14 play guiding role, guarantee that test equipment 12 and weighted lever 13 are smoothly gone into the well.
The foregoing is merely the preferable possible embodiments of the utility model, patent that is non-therefore limiting to the utility model
Protection scope.In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, is all fallen in the protection scope of the requires of the utility model.Technology of the utility model without description is special
Sign can realize that details are not described herein by or using the prior art.
Claims (4)
1. the test wellhead assembly of a kind of oil-water well, including the four-way being mounted on above wellhead casing pipe, it is characterised in that: described
The top of four-way is equipped with four-way upper port flange, is equipped with crossover flange, the transformation approach above the four-way upper port flange
Orchid includes the round blind plate of capping four-way upper port, and the surrounding of the circle blind plate is uniformly provided with the conversion radially stretched out
Flange tab, the center of each crossover flange lug are respectively equipped with crossover flange bolt hole, and each crossover flange bolt hole is respectively with four
The bolt hole of logical top flange is corresponding and is connected with each other by crossover flange bolt；It is described circle blind plate lower end surface with it is described
It is realized and is sealed by metallic packing ring between four-way upper port flange, the upper surface center of the circle blind plate is equipped with to be stretched out upwards
Round pipe nipple, the inner cavity of the circle pipe nipple, which is equipped with, pipe nipple internal screw thread and is screwed with blowout prevention standpipe；The blowout prevention standpipe it is upper
End is equipped with the bell and spigot of diameter amplification, and the step cutting pattern inserting column that section is T shape, the step cutting pattern are plugged in the bell and spigot
The reduced diameter section of inserting column lower part is plugged in the bell and spigot of the blowout prevention standpipe, the enlarged diameter section on step cutting pattern inserting column top
It being supported in the upper port of the blowout prevention standpipe, the outer wall of step cutting pattern inserting column top enlarged diameter section is connected with L bracket,
The transverse arm of the L bracket extends outwardly along the radial level of step cutting pattern inserting column, is equipped at the top of the vertical arm of the L bracket
Top sheave is surrounded with steel wire for logging, the right end of the steel wire for logging and the blowout prevention standpipe coaxial line and outstanding on the top sheave
Blowout-preventing choke plug is hung, there is test equipment in the lower end of the blowout-preventing choke plug by steel wire for logging suspention；The left end of the steel wire for logging
It is connected on angle pulley and with winch.
2. the test wellhead assembly of oil-water well according to claim 1, it is characterised in that: the lower end of the blowout prevention standpipe
Pipe nipple sealing ring is equipped between the lower section step surface of the internal thread segment of mouth and the round pipe nipple.
3. the test wellhead assembly of oil-water well according to claim 1, it is characterised in that: crossover flange lug edge
The surrounding of the circle blind plate is uniformly provided with four.
4. the test wellhead assembly of oil-water well according to claim 1 or 2 or 3, it is characterised in that: the test equipment
Top be equipped with up-small and down-big taper and salvage tooth, the lower end of the test equipment is connected with weighted lever, under the weighted lever
End is equipped with taper target seeker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919984.7U CN208502714U (en) | 2018-06-14 | 2018-06-14 | The test wellhead assembly of oil-water well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919984.7U CN208502714U (en) | 2018-06-14 | 2018-06-14 | The test wellhead assembly of oil-water well |
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| Publication Number | Publication Date |
|---|---|
| CN208502714U true CN208502714U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820919984.7U Active CN208502714U (en) | 2018-06-14 | 2018-06-14 | The test wellhead assembly of oil-water well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427437A (en) * | 2020-09-30 | 2022-05-03 | 中国石油化工股份有限公司 | Downhole tool simulation testing device |
-
2018
- 2018-06-14 CN CN201820919984.7U patent/CN208502714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427437A (en) * | 2020-09-30 | 2022-05-03 | 中国石油化工股份有限公司 | Downhole tool simulation testing device |
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