CN205805506U - Shallow well lockable drives a well test valve - Google Patents
Shallow well lockable drives a well test valve Download PDFInfo
- Publication number
- CN205805506U CN205805506U CN201620632860.1U CN201620632860U CN205805506U CN 205805506 U CN205805506 U CN 205805506U CN 201620632860 U CN201620632860 U CN 201620632860U CN 205805506 U CN205805506 U CN 205805506U
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- nitrogen
- mandrel
- urceolus
- well
- lockable
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Abstract
This utility model provides shallow well lockable and drives a well test valve.Described shallow well lockable drive a well test valve the described connecting short section other end inside groove in described pressure ring is set, and the other end of described connecting short section is spirally connected one end of described nitrogen charging valve body, the other end inside groove of described nitrogen charging valve body arranges described pressure ring, one end of described nitrogen chamber mandrel and described nitrogen chamber urceolus is bolted in the inner peripheral of the described nitrogen charging valve body other end and outer peripheral edge respectively and is sealed by described pressure ring, and described lower contact is screwed into described nitrogen chamber mandrel and the other end of described nitrogen chamber urceolus；Described nitrogen charging valve body, described nitrogen chamber mandrel, described nitrogen chamber urceolus and described lower contact are collectively forming the nitrogen-sealed chamber housing described high pure nitrogen.This utility model simple in construction, low cost of manufacture, to realize the drive a well test valve of function, maintaining and transport of lockable the most convenient, had both met the use functional requirement of instrument, and the cost that can reduce again oil field puts into.
Description
[technical field]
This utility model relates to a kind of petroleum gas down-hole testing tool, especially shallow well lockable and drives a well test
Valve.
[background technology]
What at present oil field used can realize lockable the drives a well test valve of function, is all to use and develop for meeting deep-well
, existing lockable drives a well and tests the pressure collection mechanism of valve, spring powered mechanism and nitrogen pressure relief mechanism；Its structure is complicated,
Manufacturing cost is high, and maintaining and transport are the most inconvenient, and when this instrument is applied to shallow well, the cost that will increase oil field is thrown
Enter, cause waste.
Therefore, it is necessary to provide a kind of shallow well lockable overcoming drawbacks described above to drive a well test valve.
[utility model content]
This utility model be use in a kind of shallow well simple in construction, low cost of manufacture, shallow well lockable can be realized open
Well surveying examination valve.
The technical solution of the utility model is as follows:
A kind of shallow well lockable drives a well test valve, including transposition urceolus, connecting short section, nitrogen charging valve body, nitrogen chamber mandrel, nitrogen
Chamber urceolus, lower contact, high pure nitrogen and multiple pressure ring；One end of described connecting short section is screwed into the inner edge of described transposition urceolus；Institute
Described pressure ring is set in stating the water jacket of the connecting short section other end, and the other end of described connecting short section is spirally connected described nitrogen charging valve body
One end, the other end water jacket of described nitrogen charging valve body arranges described pressure ring, and one end of described nitrogen chamber mandrel and described nitrogen chamber urceolus is divided
Not being bolted in the inner peripheral of the described nitrogen charging valve body other end and outer peripheral edge and sealed by described pressure ring, described lower contact is screwed into institute
State nitrogen chamber mandrel and the other end of described nitrogen chamber urceolus；Described nitrogen charging valve body, described nitrogen chamber mandrel, described nitrogen chamber urceolus and described
Lower contact is collectively forming the nitrogen-sealed chamber housing described high pure nitrogen.
Preferably, described nitrogen charging valve body is provided with nitrogen charging hole protection plug, nitrogen charging needle-valve and stopping screw.
Preferably, described shallow well lockable drive a well test valve also include top connection, ball valve urceolus, upper ball base, operative pin,
Ball valve assembly, lower ball base, connecting short section, seat cap, locking pipe nipple, operation mandrel, locking jaw, packoff nipple, transposition mandrel, transposition
Set, seat spring, steel ball；Described locking jaw and described packoff nipple end connect, and one end of described operation mandrel runs through described close
In envelope pipe nipple, its other end runs through described locking pipe nipple, and one end of described operation mandrel connects described transposition mandrel, described seat cap
And the described connecting short section other end with described operation mandrel successively is connected；Described packoff nipple is away from one end of described locking jaw
Be spirally connected described transposition urceolus；Described transposition urceolus sets gradually described transposition set and institute inside the one end away from described packoff nipple
State steel ball；Described seat spring is located in described lower ball base, and described ball valve assembly is located at described seat spring away from described lower ball
The side of seat, described upper ball base is spirally connected near one end of described seat spring with described lower ball base；The ball valve of described ball valve assembly sets
In described connecting short section, described ball valve urceolus runs through described ball valve and is bolted in described packoff nipple；Described top connection with described on
Ball seat is affixed.
The beneficial effects of the utility model are:
1) simple in construction, the low cost of manufacture that use in) this utility model is a kind of shallow well, lockable can be realized drive a well merit
Can test valve, the corresponding lockable for deep-well drives a well test valve, and its simple in construction, manufacturing cost is relatively low, maintaining
And transport is the most convenient, has both met the use functional requirement of instrument, the cost that can reduce again oil field puts into.
2) have employed fixing nitrogen-sealed chamber, nitrogen-sealed is relatively reliable.
3) before using, substitute the bad for the good in advance nitrogen according to special nitrogen charging Pressure gauge, need not consider that nitrogen balances with fluid column；Operation
Time, operate instrument according to special operation Pressure gauge, use simple.
[accompanying drawing explanation]
Fig. 1 is the partial cutaway schematic view of this utility model slim-hole selected well testing valve；
Fig. 2 is the partial cutaway schematic view of this utility model slim-hole selected well testing valve；
Fig. 3 is the partial cutaway schematic view of this utility model slim-hole selected well testing valve；
Fig. 4 is the partial cutaway schematic view of this utility model slim-hole selected well testing valve；
Fig. 5 is the cross-sectional cut-away diagram of this utility model slim-hole selected well testing valve.
[detailed description of the invention]
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 5, described shallow well lockable drives a well and tests body and the locking machine that valve includes being connected
Structure, described locking mechanism include replace urceolus 13, connecting short section 16, nitrogen charging valve body 17, nitrogen chamber mandrel 19, nitrogen chamber urceolus 18, under
Joint 20, high pure nitrogen 27 and multiple pressure ring 23；One end of described connecting short section 16 is screwed into the inner edge of described transposition urceolus 13；Institute
Described pressure ring 23 is set in stating the water jacket of connecting short section 16 other end, and the other end of described connecting short section 16 is spirally connected described nitrogen charging
One end of valve body 17, the other end water jacket of described nitrogen charging valve body 17 arranges described pressure ring 23, described nitrogen chamber mandrel 19 and described nitrogen
One end of chamber urceolus 18 is bolted in the inner peripheral of described nitrogen charging valve body 17 other end and outer peripheral edge and respectively by described pressure ring 23
Sealing, described lower contact 20 is screwed into described nitrogen chamber mandrel 19 and the other end of described nitrogen chamber urceolus 18；Described nitrogen charging valve body 17, institute
State nitrogen chamber mandrel 19, described nitrogen chamber urceolus 18 and described lower contact 20 and be collectively forming the nitrogen-sealed housing described high pure nitrogen 27
Chamber.
Nitrogen charging hole protection plug 24, nitrogen charging needle-valve 25 and stopping screw 26 it is provided with on described nitrogen charging valve body 17.
Before using, substitute the bad for the good in advance nitrogen according to special nitrogen charging Pressure gauge, need not consider that nitrogen balances with fluid column, so can only
Being applied to shallow well, during operation, operate instrument according to special operation Pressure gauge, onsite application is simple；And fixing nitrogen
Chamber makes nitrogen-sealed relatively reliable, simplifies the structure of instrument, reduces manufacturing cost, makes the maintaining of instrument and transports more
Convenient.
Described shallow well lockable drive a well test valve body include top connection 1, ball valve urceolus 2, upper ball base 3, operative pin
4, ball valve assembly 5, lower ball base 6, connecting short section 7, seat cap 8, locking pipe nipple 9, operation mandrel 10, locking jaw 11, packoff nipple 12,
Transposition mandrel 14, transposition set 15, seat spring 21, steel ball 22；Described locking jaw 11 and described packoff nipple 12 end connect, described
One end of operation mandrel 10 is run through in described packoff nipple 12, and its other end runs through described locking pipe nipple 9, described operation mandrel 10
One end connect described transposition mandrel 14, described seat cap 8 and described connecting short section 7 successively with the other end of described operation mandrel 10
Connect；Described packoff nipple 12 is spirally connected described transposition urceolus 13 away from one end of described locking jaw 11；Described transposition urceolus 13 is remote
Described transposition set 15 and described steel ball 22 is set gradually inside one end of described packoff nipple 12；Institute is located at by described seat spring 21
State in lower ball base 6, and described ball valve assembly 5 is located at the described seat spring 21 side away from described lower ball base 6, described upper ball base
3 are spirally connected near one end of described seat spring 21 with described lower ball base 6；The ball valve of described ball valve assembly 5 is located at described connecting short section
7, forward ball valve to closed position, load onto described operative pin 4, described ball valve urceolus 2 runs through described ball valve and is bolted in described sealing
Pipe nipple 12；Described top connection 1 is affixed with described upper ball base 3.
Can make instrument realize pressurization drive a well, after pressure release locking drive a well, repressurization, the operator scheme of closing well after pressure release,
The function that implementation tool lockable drives a well.
Concrete, before entering well, base area surface temperature, bottom hole temperature (BHT) and head of liquid are substituted the bad for the good in advance on ground high pure nitrogen 27,
Install nitrogen charging hole protection plug 24 and stopping screw 26, tighten nitrogen charging needle-valve 25.
During entering well, high pure nitrogen 27 keeps ball valve assembly 5 in the closed position.
During applied pressure by annulus operation instrument, because having transposition urceolus 13, transposition mandrel 14, transposition set 15 and steel ball 22 composition
Specific inversion mechanism, the axle string of operation mandrel 10 and transposition mandrel 14 composition moves downward a Long travel to compress High Purity Nitrogen
Gas 27, locking jaw 11 struts realization and drives a well；After annular space pressure release, high pure nitrogen 27 promotes operation mandrel 10 and transposition mandrel 14 to form
Axle string run up a short stroke, ball valve assembly 5 is still opened, it is achieved the locking after pressure release drives a well, now, locking jaw 11
Hold locking pipe nipple 9, connecting short section 7 and operative pin 4 keep locking to drive a well state；After repressurization, pressure release, high pure nitrogen 45 pushes away
The axle string of dynamic operation mandrel 10 and transposition mandrel 14 composition runs up a Long travel, and it is real that locking pipe nipple 9 disengages locking jaw 11
Existing closing well.
The instrument of test plays well head, and nitrogen-sealed chamber keeps the Preliminary pressure-filled before going into the well.
The beneficial effects of the utility model are:
1) simple in construction, the low cost of manufacture that use in) this utility model is a kind of shallow well, lockable can be realized drive a well merit
Can test valve, the corresponding lockable for deep-well drives a well test valve, and its simple in construction, manufacturing cost is relatively low, maintaining
And transport is the most convenient, has both met the use functional requirement of instrument, the cost that can reduce again oil field puts into.
2) have employed fixing nitrogen-sealed chamber, nitrogen-sealed is relatively reliable.
3) before using, substitute the bad for the good in advance nitrogen according to special nitrogen charging Pressure gauge, need not consider that nitrogen balances with fluid column；Operation
Time, operate instrument according to special operation Pressure gauge, use simple.
Above-described is only embodiment of the present utility model, it should be noted here that for the ordinary skill of this area
For personnel, on the premise of creating design without departing from this utility model, it is also possible to make improvement, but these belong to this practicality
Novel protection domain.
Claims (3)
1. a shallow well lockable drives a well test valve, it is characterised in that include body and the locking mechanism being connected, described
Locking mechanism include replace urceolus (13), connecting short section (16), nitrogen charging valve body (17), nitrogen chamber mandrel (19), nitrogen chamber urceolus (18),
Lower contact (20), high pure nitrogen (27) and multiple pressure ring (23)；One end of described connecting short section (16) is screwed into described transposition urceolus
(13) inner edge；Described pressure ring (23), and described connecting short section (16) are set in the water jacket of described connecting short section (16) other end
The other end be spirally connected one end of described nitrogen charging valve body (17), the other end water jacket of described nitrogen charging valve body (17) arranges described pressure ring
(23), one end of described nitrogen chamber mandrel (19) and described nitrogen chamber urceolus (18) is bolted in described nitrogen charging valve body (17) other end respectively
Inner peripheral and outer peripheral edge and by described pressure ring (23) seal, described lower contact (20) is screwed into described nitrogen chamber mandrel (19) and institute
State the other end in nitrogen chamber urceolus (18)；Described nitrogen charging valve body (17), described nitrogen chamber mandrel (19), described nitrogen chamber urceolus (18) and institute
State lower contact (20) and be collectively forming the nitrogen-sealed chamber housing described high pure nitrogen (27).
Shallow well lockable the most according to claim 1 drives a well test valve, it is characterised in that on described nitrogen charging valve body (17)
It is provided with nitrogen charging hole protection plug (24), nitrogen charging needle-valve (25) and stopping screw (26).
Shallow well lockable the most according to claim 1 drives a well test valve, it is characterised in that described shallow well lockable is opened
The body of well surveying examination valve includes top connection (1), ball valve urceolus (2), upper ball base (3), operative pin (4), ball valve assembly (5), lower ball
Seat (6), connecting short section (7), seat cap (8), locking pipe nipple (9), operation mandrel (10), locking jaw (11), packoff nipple (12), change
Position mandrel (14), transposition set (15), seat spring (21), steel ball (22)；Described locking jaw (11) and described packoff nipple (12) end
Portion connects, and one end of described operation mandrel (10) is run through in described packoff nipple (12), and its other end runs through described locking pipe nipple
(9), one end of described operation mandrel (10) connects described transposition mandrel (14), and described seat cap (8) and described connecting short section (7) depend on
Secondary and described operation mandrel (10) the other end is connected；Described packoff nipple (12) is spirally connected away from one end of described locking jaw (11)
Described transposition urceolus (13)；Described transposition urceolus (13) is changed described in setting gradually inside the one end away from described packoff nipple (12)
Position set (15) and described steel ball (22)；Described seat spring (21) is located in described lower ball base (6), and by described ball valve assembly (5)
Being located at the described seat spring (21) side away from described lower ball base (6), described upper ball base (3) and described lower ball base (6) are near institute
The one end stating a spring (21) is spirally connected；The ball valve of described ball valve assembly (5) is located at described connecting short section (7), described ball valve urceolus
(2) run through described ball valve and be bolted in described packoff nipple (12)；Described top connection (1) is affixed with described upper ball base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632860.1U CN205805506U (en) | 2016-06-23 | 2016-06-23 | Shallow well lockable drives a well test valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632860.1U CN205805506U (en) | 2016-06-23 | 2016-06-23 | Shallow well lockable drives a well test valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805506U true CN205805506U (en) | 2016-12-14 |
Family
ID=57505434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620632860.1U Active CN205805506U (en) | 2016-06-23 | 2016-06-23 | Shallow well lockable drives a well test valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566157A (en) * | 2019-09-16 | 2019-12-13 | 宝鸡畅油石油设备有限公司 | Ball valve type oil pipe pressure testing valve |
-
2016
- 2016-06-23 CN CN201620632860.1U patent/CN205805506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566157A (en) * | 2019-09-16 | 2019-12-13 | 宝鸡畅油石油设备有限公司 | Ball valve type oil pipe pressure testing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |