CN209568993U - A kind of super-pressure welding cementing head - Google Patents
A kind of super-pressure welding cementing head Download PDFInfo
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- CN209568993U CN209568993U CN201822077792.9U CN201822077792U CN209568993U CN 209568993 U CN209568993 U CN 209568993U CN 201822077792 U CN201822077792 U CN 201822077792U CN 209568993 U CN209568993 U CN 209568993U
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- cementing head
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- cementing
- thickening part
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Abstract
The utility model discloses a kind of super-pressure welding cementing heads, including cementing head ontology, silk plug, quick coupling and backing pin；The beneficial effects of the utility model are that the cementing head of the utility model is process using the forging of monolith round steel, avoid being welded to connect and the weak link of appearance, so that the anti-pressure ability of entire cementing head reaches 105MPa；The cementing head and bottom fitting of the utility model use clamp connection, only need lifting tool and crowbar that installation can be completed, while ensuring bonding strength, desired position precision when reducing connection, and the length of entire cementing head is significantly reduced, so that cementing practice is more convenient.
Description
Technical field
The utility model relates to oil drilling equipment technical field more particularly to a kind of super-pressure welding cementing heads.
Background technique
As the difficulty of oil drilling is continuously increased, more stringent requirements are proposed for quality and use to cementing cement head.
Cementing head as a kind of important uphole equipment, the reasonability of structure, the reliability of quality concerning well cementing operation efficiency and
Effect.
Existing cementing head is shaped using welding manner, but welding is the weakness that problem is most easily produced in high-tension apparatus
Link, the safety coefficient that the position of welding will not be waited when pressure-bearing designs multiplied by 0.4~0.8, directly affects holding for material
Pressure energy power, for the equipment that the pressure such as drilling equipment are mostly tens megapascal, tiny weak alleviation can all cause huge
It is dangerous；In addition, existing cementing head bottom is all made of screwed connection, it is necessary to ensure that in connection procedure to neutrality, while rotating more
Zhou Caineng completes to install, and for the drilling equipment huge for volume and quality, installation and removal need the manpower expended, simultaneously
There is also security risks.
Utility model content
1. problem of the existing technology
The purpose of this utility model: providing a kind of super-pressure welding cementing head, entire into improving using one forging
The anti-pressure ability of cementing head, while screwed connection is replaced using clamp connection, connection difficulty is reduced, operating efficiency is improved.
2. technical solution
To achieve the goals above, the technical solution of the utility model is: a kind of super-pressure welding cementing head, including water
Mud head ontology, silk plug, quick coupling and backing pin；The cementing head ontology is cylinder-like structure；The cementing head bodies top is opened
Equipped with internal screw thread；Silk plug bottom external screw thread is engaged with the internal screw thread, to connect the cementing head ontology and silk plug；It is described
Cementing head body bottom portion is provided with block teeth, and passes through clamp connection with the quick coupling；The cementing head body upper part and
Middle part radially offers first through hole and the second through-hole respectively, and the first through hole axis and the second through-bore axis are parallel and two
It is ipsilateral that person is located at the cementing head ontology；Welding manner union is provided on the outside of the first through hole and the second through-hole to connect
Head；Cementing head ontology middle and lower part radially offers faucet hole, and the first through hole axis and cock axially bored line are vertical；Institute
It states cock outer end of hole and is provided with backing pin cock so that the backing pin to be mounted in the faucet hole.
Above-mentioned super-pressure welding cementing head, wherein the first through hole and the line of centres length of the second through-hole are big
In the line of centres of second through-hole and faucet hole.
Above-mentioned super-pressure welding cementing head, wherein the cementing head ontology peripheral wall leads in the first through hole, second
It extends radially outward to form the first thickening part, the second thickening part and third thickening part at hole and faucet hole, and first thickeies
Portion, the second thickening part, third thickening part and cementing head ontology are structure as a whole.
Above-mentioned super-pressure welding cementing head, wherein first thickening part outer diameter is identical as the second thickening part outer diameter,
First thickening part length is less than second thickening part length.
Above-mentioned super-pressure welding cementing head, wherein third thickening part outer diameter is greater than the second thickening part outer diameter, institute
Third thickening part length is stated greater than second thickening part length.
Above-mentioned super-pressure welding cementing head, wherein the union connector is 1502 union connectors.
Above-mentioned super-pressure welding cementing head, wherein the cementing head ontology is forged by round steel.
Above-mentioned super-pressure welding cementing head, wherein the cementing head bodies top be symmetrically welded there are two rise a lifting lug.
Above-mentioned super-pressure welding cementing head, wherein the cementing head lower part radially offers threaded hole, and outer
End has been connected through a screw thread plug；Rubber plug release indicator is provided in the threaded hole.
Above-mentioned super-pressure welding cementing head, wherein the threaded hole is located at below the faucet hole.
3. beneficial effect
In summary, the utility model has the beneficial effects that:
(1) cementing head of the utility model is process using the forging of monolith round steel, avoids being welded to connect and occurring thin
Weak link, so that the anti-pressure ability of entire cementing head reaches 105MPa；
(2) cementing head of the utility model and bottom fitting use clamp connection, it is only necessary to which lifting tool and crowbar can be complete
At installation, while ensuring bonding strength, desired position precision when reducing connection, and significantly reduce entire cement
The length of head, so that cementing practice is more convenient.
Detailed description of the invention
Fig. 1 is a kind of front view of super-pressure welding cementing head of the utility model.
Fig. 2 is a kind of half-sectional side view of super-pressure welding cementing head of the utility model.
Specific embodiment
The embodiments of the present invention that the following is further explained with reference to the attached drawings.
Refer to shown in attached drawing 1 and attached drawing 2, a kind of super-pressure welding cementing head, including cementing head ontology 1, silk plug 2,
Quick coupling 3 and backing pin 4；The cementing head ontology 1 is cylinder-like structure；Internal screw thread is offered at the top of the cementing head ontology 1
101；The 2 bottom external screw thread 201 of silk plug is engaged with the internal screw thread 101, to connect the cementing head ontology 1 and silk plug 2；Institute
It states 1 bottom of cementing head ontology and is provided with block teeth 102, and pass through clamp connection with the quick coupling 3；The cementing head ontology
1 top and middle part radially offer first through hole 5 and the second through-hole 6,5 axis of first through hole and the second through-hole 6 respectively
Axis is parallel and the two to be located at the cementing head ontology 1 ipsilateral；Pass through welding side on the outside of the first through hole 5 and the second through-hole 6
Formula is provided with union connector 7；1 middle and lower part of cementing head ontology radially offers faucet hole 8,5 axis of first through hole
It is vertical with 8 axis of faucet hole；8 outer end of faucet hole is provided with backing pin cock 9 so that the backing pin 4 is mounted on the faucet hole
In 8.
The first through hole 5 and the line of centres length of the second through-hole 6 are greater than in second through-hole 5 and faucet hole 8
Heart line, for preventing rubber plug between the first through hole 5 and the second through-hole 6, therefore length is larger, 5 He of the second through-hole
The spacing longitudinal size as small as possible to reduce entire cementing head between faucet hole 8, so that entire cementing head 1 length of ontology is small
In 1100mm, cementing practice efficiency is improved.
1 peripheral wall of cementing head ontology extends radially outward at the first through hole 5, the second through-hole 6 and faucet hole 8
Form the first thickening part 103, the second thickening part 104 and third thickening part 105, and the first thickening part 103, the second thickening part
104, third thickening part 105 is structure as a whole with cementing head ontology 1, by the way that first thickening part 103, the second thickening part is arranged
104 and third thickening part 105, to improve the intensity of 8 position of the first through hole 5, the second through-hole 6 and faucet hole, improve entire
The anti-pressure ability of cementing head is to 105MPa.
First thickening part, 103 outer diameter is identical as 104 outer diameter of the second thickening part, and 103 length of the first thickening part is small
In 104 length of the second thickening part, 105 outer diameter of third thickening part is greater than 104 outer diameter of the second thickening part, and the third adds
Thick 105 length of portion is greater than 104 length of the second thickening part, by optimizing the first thickening part 103, the second thickening part 104, third
The outer diameter and length of thickening part 105, it is ensured that the structural strength and anti-pressure ability of shown cementing head ontology 1.
The union connector 7 is 1502 union connectors, and 1052 unions are the common high pressure connection of oil drilling equipment, is used
This connector is to be adapted to different types of drilling well manifold.
The cementing head ontology 1 is forged by round steel, prevents the techniques such as welding from cementing head being caused to go out using solid forging
Existing weak link.
It is symmetrically welded at the top of the cementing head ontology 1 there are two lifting lug 10 is played, is facilitated by the way that the lifting lug 10 is arranged by water
The lifting of mud head ontology 1 and placement.
1 lower part of cementing head ontology radially offers threaded hole 11, and outer end has been connected through a screw thread plug 12；
Rubber plug release indicator 13 is provided in the threaded hole 11, the rubber plug release indicator 13 is conventional indicator 13, is used
In judging that rubber plug cuts off the backing pin 4 and fall into well, the beginning of Process of Cementing is determined.
The threaded hole 11 is located at 8 lower section of the faucet hole, alreadyes switch off the backing pin 4 with this determining rubber plug and falls into
In well.
Application method:
Firstly, unscrewing the silk plug 2, rubber plug is mounted in the cementing head ontology 1, the rubber plug is located at described at this time
Between first through hole 5 and the second through-hole 6, then the silk plug 2 screwed, then, the backing pin 4 is mounted on the faucet hole 8
It is interior then fixed by the backing pin cock 9, by waterflood-transmission line and cementing pipeline by the union connector 7 respectively at described
Second through-hole 6 and first through hole 5 connect.After being installed, the waterflood-transmission line cleaning wellbore is first passed through, after the completion of cleaning, is led to
The cementing pipeline is crossed by cementing in 5 wells of the first through hole, under the pressure of cement, rubber plug is by the backing pin 4
It cuts off and falls into well, thus start the cementing job of well cementation, in addition, when rubber plug is fallen into well, the rubber plug release instruction
Device 13 can help what anchorage personnel judged rubber plug to fall into situation, it is ensured that the smooth development of well cementing operation.
Above-described is only the preferred embodiment of the utility model, is not intended to limit the patent model of the utility model
It encloses, any equivalent structural transformation made using the contents of the description of this utility model, directly or indirectly uses and be attached to other
The technical field of Related product, is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of super-pressure welding cementing head, it is characterised in that: including cementing head ontology (1), silk plug (2), quick coupling (3)
With backing pin (4)；The cementing head ontology (1) is cylinder-like structure；Internal screw thread is offered at the top of the cementing head ontology (1)
(101)；Silk plug (2) the bottom external screw thread (201) is engaged with the internal screw thread (101), to connect the cementing head ontology (1)
With silk plug (2)；Cementing head ontology (1) bottom is provided with block teeth (102), and passes through clip with the quick coupling (3)
Connection；Cementing head ontology (1) top and middle part radially offer first through hole (5) and the second through-hole (6) respectively, described
First through hole (5) axis and the second through-hole (6) axis be parallel and the two to be located at the cementing head ontology (1) ipsilateral；Described first
Union connector (7) are provided with by welding manner on the outside of through-hole (5) and the second through-hole (6)；Cementing head ontology (1) middle and lower part
It radially offers faucet hole (8), first through hole (5) axis and faucet hole (8) axis are vertical；The faucet hole (8) is outside
End is provided with backing pin cock (9) so that the backing pin (4) to be mounted in the faucet hole (8).
2. a kind of super-pressure welding cementing head according to claim 1, it is characterised in that: the first through hole (5) with
The line of centres length of second through-hole (6) is greater than the line of centres of second through-hole (6) and faucet hole (8).
3. a kind of super-pressure welding cementing head according to claim 1, it is characterised in that: the cementing head ontology (1)
Peripheral wall extends radially outward to form the first thickening part at the first through hole (5), the second through-hole (6) and faucet hole (8)
(103), the second thickening part (104) and third thickening part (105), and the first thickening part (103), the second thickening part (104),
Three thickening parts (105) are structure as a whole with cementing head ontology (1).
4. a kind of super-pressure welding cementing head according to claim 3, it is characterised in that: first thickening part
(103) outer diameter is identical as the second thickening part (104) outer diameter, and the first thickening part (103) length is less than second thickening part
(104) length.
5. a kind of super-pressure welding cementing head according to claim 3, it is characterised in that: the third thickening part
(105) outer diameter is greater than the second thickening part (104) outer diameter, and third thickening part (105) length is greater than second thickening part
(104) length.
6. a kind of super-pressure welding cementing head according to claim 1, it is characterised in that: the union connector (7) is
1502 union connectors.
7. a kind of super-pressure welding cementing head according to claim 1, it is characterised in that: the cementing head ontology (1)
It is forged by round steel.
8. a kind of super-pressure welding cementing head according to claim 1, it is characterised in that: the cementing head ontology (1)
Lifting lug (10) are played there are two being symmetrically welded in top.
9. a kind of super-pressure welding cementing head according to claim 1, it is characterised in that: the cementing head ontology (1)
Lower part radially offers threaded hole (11), and outer end has been connected through a screw thread plug (12)；It is set in the threaded hole (11)
It is equipped with rubber plug release indicator (13).
10. a kind of super-pressure welding cementing head according to claim 9, it is characterised in that: threaded hole (11) position
Below the faucet hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077792.9U CN209568993U (en) | 2018-12-12 | 2018-12-12 | A kind of super-pressure welding cementing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077792.9U CN209568993U (en) | 2018-12-12 | 2018-12-12 | A kind of super-pressure welding cementing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209568993U true CN209568993U (en) | 2019-11-01 |
Family
ID=68321583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822077792.9U Active CN209568993U (en) | 2018-12-12 | 2018-12-12 | A kind of super-pressure welding cementing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209568993U (en) |
-
2018
- 2018-12-12 CN CN201822077792.9U patent/CN209568993U/en active Active
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