CN207296901U - Kelly bar air-blowing connector - Google Patents
Kelly bar air-blowing connector Download PDFInfo
- Publication number
- CN207296901U CN207296901U CN201721092859.5U CN201721092859U CN207296901U CN 207296901 U CN207296901 U CN 207296901U CN 201721092859 U CN201721092859 U CN 201721092859U CN 207296901 U CN207296901 U CN 207296901U
- Authority
- CN
- China
- Prior art keywords
- connector sleeve
- kelly bar
- connector
- blowing
- sealing ring
- 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
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Abstract
The utility model provides kelly bar air-blowing connector, belongs to drilling equipment field, including connector sleeve, and connector sleeve is drill collar thread protector, and the upper end of connector sleeve and the lower end of kelly bar connect, and the external screw thread of kelly bar and the internal thread taper of connector sleeve are 1:10~1:20, the lower end of connector sleeve is fixedly connected with and its internal pin end connected, the one end of pin end away from connector sleeve is fixedly connected with and its internal single tracheae wire terminal connected, single tracheae wire terminal is fixedly connected with gas pipeline, gas pipeline is connected with exterior high-pressure air feed device, and the top of connector sleeve inner ring is equipped with locating slot, and locating slot is the circle of major arc shape, the first matching sealing ring is equipped with locating slot, the upper surface of connector sleeve is equipped with the second sealing ring.The utility model can ensure that gas leakage does not occur for junction, ensure that enough air pressures blow off hydrops, can gather materials on the spot, be easily installed, improve work efficiency, and save the activity duration.
Description
Technical field
The utility model belongs to drilling equipment field, is related to kelly bar air-blowing connector.
Background technology
During drilling crew's winter construction, before the operations such as trip-out, setting of casing, electrical measurement, well cementation, will accumulate rotary hose,
Hydrops in standpipe, ground high pressure pipe joint is blown off, and is otherwise caused hydrops to freeze to cause to block in pipeline because temperature is too low, is prolonged
Production time by mistake, or even influence downhole safety.Traditional method is that mouth is passed through under kelly bar by gas pipeline, with fillers such as cotton yarns
Gap is filled out, pneumatic jack is entered into kelly bar, realizes the purpose for blowing off pipeline residual liquid.The shortcomings that this way one is very uneasy
Entirely, gas pressure reaches certain high level, it is easy to can collapse by gas pipeline, or even cause casualty accident.Second, accumulate pipeline,
Mud in manifold is due to dead weight and viscosity, it is necessary to there is enough air pressures, and so doing can cause pressure inadequate because poorly sealed, very
Hardly possible remaining mud in pipeline is blown off, or even must working at height by rotary hose trip sword break, put Gynamide band it is U-shaped it is curved in
Raffinate, just can ensure that pipeline is not frozen in, time and effort consuming.
Utility model content
Problem to be solved in the utility model is to be to provide a kind of leakproofness good and safe kelly bar air-blowing
Connector.
In order to solve the above technical problems, the technical solution adopted in the utility model is：Kelly bar air-blowing connector, including connection
Set, the connector sleeve are drill collar thread protector, and the upper end of the connector sleeve and the lower end of kelly bar connect, the external screw thread of kelly bar and institute
The internal thread taper for stating connector sleeve is 1:10~1:20, the lower end of the connector sleeve is fixedly connected with and its internal public access connected
Head, the one end of the pin end away from the connector sleeve are fixedly connected with and its internal single tracheae wire terminal connected, the list
Tracheae wire terminal is fixedly connected with gas pipeline, and the gas pipeline is connected with exterior high-pressure air feed device, the connector sleeve inner ring
Top be equipped with locating slot, the locating slot is the circle of major arc shape, equipped with the first matching sealing in the locating slot
Circle, the upper surface of the connector sleeve is equipped with the second sealing ring.
Further, the top of the connector sleeve outer ring is arranged with swing handle, and the swing handle is by old blowout preventer
It is made after bolt cutting.
Further, the width of the swing handle is 60~120mm.
Further, the connector sleeve is old drill collar thread protector.
Further, second sealing ring is integrally formed for silica gel material, and first sealing ring is polytetrafluoroethylene (PTFE)
Material is integrally formed.
Further, the connector sleeve is welded and fixed with the pin end using week, the pin end and single tracheae
Wire terminal is welded and fixed using week.
Further, the internal diameter of the pin end is the 1/6~1/4 of the connector sleeve internal diameter.
Compared with prior art, the utility model has the advantages and positive effects of：1st, the utility model first seals
Circle ensure that kelly bar and the leakproofness inside connector sleeve, and the major arc structure that locating slot uses, and effectively prevent the first sealing
Circle is run out of, and locating effect is more preferable；Second sealing ring improves kelly bar with being connected the sealing performance of set upper side, and total is dual
Sealing, sealing consumption is good, ensures that gas leakage does not occur for junction, ensures that enough air pressures blow off hydrops；2nd, using pin end
With single gas pipeline weld, compressed air hoist gas pipeline air valve can be closed, directly it is interfaced after, open air valve can carry out
Operation, operation had not only facilitated but also safety；3rd, connector sleeve uses drill collar thread protector, and drill collar thread protector body is thicker, button-type and kelly bar pin thread
Unanimously, there are very strong fastness and leakproofness, old drill collar thread protector, convenient material drawing, cost is lower, and meets use demand.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
In attached drawing：
Fig. 1 is the structure diagram of the utility model kelly bar air-blowing connector；
Fig. 2 is the structure diagram that the utility model connector sleeve and the first sealing ring coordinate.
Reference numeral：
1- connector sleeves；11- swing handles；12- locating slots；2- kelly bars；3- pin ends；The mono- tracheae wire terminals of 4-；5- gas
Pipeline；6- high-pressure air feed devices；The second sealing rings of 7-；The first sealing rings of 8-.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Elaborate below in conjunction with the accompanying drawings to specific embodiment of the utility model.
As depicted in figs. 1 and 2, the utility model is kelly bar air-blowing connector, including connector sleeve 1, connector sleeve 1 are drill collar shield
Silk, the upper end of connector sleeve 1 are connected with the lower end of kelly bar 2, and the external screw thread of kelly bar 2 is 1 with the internal thread taper of connector sleeve 1:
10~1:20, the lower end of connector sleeve 1 be fixedly connected with its internal pin end 3 connected, pin end 3 away from connector sleeve 1 one
End is fixedly connected with to be fixedly connected with its internal single tracheae wire terminal 4 connected, single tracheae wire terminal 4 with gas pipeline 5, gas pipeline
5 are connected with exterior high-pressure air feed device 6, and the top of 1 inner ring of connector sleeve is equipped with locating slot 12, and locating slot 12 is the circle of major arc shape
Shape, locating slot 12 is interior to be equipped with the first matching sealing ring 8, and the upper surface of connector sleeve 1 is equipped with the second sealing ring 7, and first is close
Seal 8 ensure that the leakproofness inside kelly bar 2 and connector sleeve 1, and the major arc structure of the use of locating slot 12, effectively prevent the
One sealing ring 8 is run out of, and locating effect is more preferable；Second sealing ring 7 improves the sealing performance of kelly bar 2 and 1 upper end of connector sleeve；More
Preferably, the second sealing ring 7 is integrally formed for silica gel material, and the first sealing ring 8 is integrally formed for polytetrafluoroethylene (PTFE) material, two kinds
Material oil preventing performance is good, and service life length, stable chemical performance, ensure that the sealing performance under long-time use state.
Connector sleeve 1 uses drill collar thread protector, and drill collar thread protector body is thicker, and button-type is consistent with kelly bar pin thread, there is very strong jail
Solidity and leakproofness, it is highly preferred that connector sleeve 1 is old drill collar thread protector, convenient material drawing, cost is lower, and meets use demand；
Welded, compressed air hoist gas pipeline air valve can be closed using pin end 3 and single tracheae wire terminal 4, after directly interfaced, opening
Air valve can carry out operation, and operation had not only facilitated but also safety.
Preferably, the top of 1 outer ring of connector sleeve is arranged with swing handle 11, and swing handle 11 is cut by old blowout preventer bolt
It is made after cutting, is easily installed, dismantles, and convenient material drawing, cost is low；It is highly preferred that the width of swing handle 11 is 60
~120mm, it is long to cause waste of material, and hinder operator's walking, and security performance is influenced, it is too short to be unfavorable for holding precession behaviour
Make.
Preferably, connector sleeve 1 is with pin end 3 using being welded and fixed in week, and pin end 3 is with single tracheae wire terminal 4 using week weldering
Fixation is connect, welding structure intensity is high, and stability is good.
Preferably, the internal diameter of pin end 3 is the 1/6~1/4 of 1 internal diameter of connector sleeve, ensures the dynamics and intensity of injection, lifting
The effect of injection.
0.4 day hydrops working time of purging before individual well saving trip-out, setting of casing, electrical measurement, well cementation, according to 5000m drilling machine day
Take 60,000 yuan of calculating, about 2.4 ten thousand yuan of the cost-effective expense of individual well, calculates according to 100 mouthfuls of wells, 2,400,000 yuan of cost-effective expense with
On.
During actual use, tracheae line pressure is high, and joint must be solid and reliable, and considers security and weldering
The fastness connect, therefore drill collar thread protector is used, drilling rod thread protector is not used, and drill collar thread protector body is thicker, button-type and kelly bar pin thread
Unanimously, there are very strong fastness and leakproofness, overall structure can bear the pressure of more than 20MPa, as Fig. 1 and Fig. 2 weld part
Connect after completion is fixedly connected, compressed air hoist gas pipeline air valve can be closed, after directly interfaced, opening air valve can be made
Industry, this structure carry out the sealing of inner ring and end face using the first sealing ring 8 and the second sealing ring 7 at the same time, and good seal performance, ensures
Gas leakage does not occur for junction, ensures that enough air pressures blow off hydrops, and material much uses waste and scrap, can gather materials on the spot,
Design and produce it is simple, it is not only light but also be easily installed, dismantle, efficiently solve drilling crew's winter trip-out, setting of casing, electrical measurement, well cementation
Pipeline purges the activity duration before operation, solves drilling crew's winter construction (especially extremely frigid zones and period) rotary hose, manifold
Hydrops purges the practical problems such as difficult, labor intensity is big, security is poor because losing heart, and reduces labor intensity, has saved the activity duration,
Improve work efficiency, and make purging operation safer.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment, it is impossible to be construed as limiting the scope of the utility model.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (7)
1. kelly bar air-blowing connector, it is characterised in that：Including connector sleeve (1), the connector sleeve (1) is drill collar thread protector, the company
The upper end of female connector (1) is connected with the lower end of kelly bar (2), and the external screw thread of kelly bar (2) is bored with the internal thread of the connector sleeve (1)
Spend for 1:10~1:20, the lower end of the connector sleeve (1) is fixedly connected with and its internal pin end (3) connected, the public access
The one end of head (3) away from the connector sleeve (1) is fixedly connected with and its internal single tracheae wire terminal (4) connected, the list gas
Pipe joint (4) is fixedly connected with gas pipeline (5), and the gas pipeline (5) is connected with exterior high-pressure air feed device (6), described
The top of connector sleeve (1) inner ring is equipped with locating slot (12), and the locating slot (12) is the circle of major arc shape, the locating slot (12)
Interior to be equipped with matching the first sealing ring (8), the upper surface of the connector sleeve (1) is equipped with the second sealing ring (7).
2. kelly bar air-blowing connector according to claim 1, it is characterised in that：The top pair of connector sleeve (1) outer ring
Title is equipped with swing handle (11), and the swing handle (11) is made after being cut by old blowout preventer bolt.
3. kelly bar air-blowing connector according to claim 2, it is characterised in that：The width of the swing handle (11) is 60
~120mm.
4. kelly bar air-blowing connector according to claim 1, it is characterised in that：The connector sleeve (1) is old drill collar thread protector.
5. kelly bar air-blowing connector according to claim 1, it is characterised in that：Second sealing ring (7) is silica gel material
Matter is integrally formed, and first sealing ring (8) is integrally formed for polytetrafluoroethylene (PTFE) material.
6. kelly bar air-blowing connector according to claim 4, it is characterised in that：The connector sleeve (1) and the pin end
(3) it is welded and fixed using week, the pin end (3) is welded and fixed with single tracheae wire terminal (4) using week.
7. kelly bar air-blowing connector according to claim 1, it is characterised in that：The internal diameter of the pin end (3) is described
The 1/6~1/4 of connector sleeve (1) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721092859.5U CN207296901U (en) | 2017-08-29 | 2017-08-29 | Kelly bar air-blowing connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721092859.5U CN207296901U (en) | 2017-08-29 | 2017-08-29 | Kelly bar air-blowing connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207296901U true CN207296901U (en) | 2018-05-01 |
Family
ID=62437998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721092859.5U Expired - Fee Related CN207296901U (en) | 2017-08-29 | 2017-08-29 | Kelly bar air-blowing connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207296901U (en) |
-
2017
- 2017-08-29 CN CN201721092859.5U patent/CN207296901U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211125 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: No.83, 2nd Street, Binhai New Area Economic and Technological Development Zone, Tianjin 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| 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: 20180501 |