CN202832353U - Straight-buckle fast connection cement head device with large inner diameter - Google Patents
Straight-buckle fast connection cement head device with large inner diameter Download PDFInfo
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- CN202832353U CN202832353U CN 201220417213 CN201220417213U CN202832353U CN 202832353 U CN202832353 U CN 202832353U CN 201220417213 CN201220417213 CN 201220417213 CN 201220417213 U CN201220417213 U CN 201220417213U CN 202832353 U CN202832353 U CN 202832353U
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- cementing
- head body
- fast
- cement head
- replacement
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Abstract
A straight-buckle fast connection cement head device with a large inner diameter is applied to the design and manufacture field of cementing tools, and is composed of a fast-replacement upper cover, an upper locking block, an upper locking bolt, a cement head body, a well cementation rubber plug, a lower locking block, a lower locking bolt, a fast-replacement connector and a balancing device. The well cementation rubber plug is put into the cement head body, the fast-replacement upper cover is placed on the cement head body; the upper locking block is put into a groove corresponding to the cement head body, and then the upper locking bolt is arranged in the upper locking block in a serial mode; the cement head body is placed on the fast-replacement connector, the lower locking block is put into a groove of the fast-replacement connector which corresponds to the lower locking block, and the lower locking bolt is arranged in the lower locking block in a serial mode; the cement head body, the fast-replacement connector and the fast-replacement upper cover are connected in a straight-buckle mode; and the balancing device is connected with the side face of the cement head body. According to the straight-buckle fast connection cement head device with the large inner diameter, conception is novel, the problem that the rubber plug is difficult to put in is quite ingeniously solved so that a cement head can quickly release the rubber plug, the capacity that the cement head, the fast-replacement upper cover and the fast-replacement connector are fast connected is achieved.
Description
Technical field
The utility model relates to cementing tool and manufactures and designs a kind of cementing-head device with large diameter, the quick connection of straight button that is used for filled with water mud in the field.
Background technology
Well cementation be exactly utilize cementing equipment in being lowered to the Oil/gas Well of sleeve pipe to casing annulus filling cement, make and produce effective sealing between sleeve pipe and the stratum.Between sleeve pipe and the borehole wall, form a complete cement sheath after the cementing operation, form good cementingly between sleeve pipe and cement, cement and the borehole wall, guarantee oil, gas, mutual obstructed the altering of water layer, reach effective packing.The success or failure of well cementation, whether the drilling well investment in early stage that not only is related to a bite well cancels, and the quality of cementing quality also can make a big impact to the later stage exploitation of oil well.The filling of cement paste is transported in down-hole casing and the borehole wall annular space through cementing-head device after by cementing truck cement paste being pressurizeed.To cause untimely, the discontinuous or overtime inefficacy of grout pouring if cementing head breaks down, serious meeting causes cave-in even causes well casing to fill with wax, and the oil well that the millions of units of consumption even up to ten million first huge fund are got out is destroyed.
There is following problem in the cementing head that uses now: be connected inconvenience between (1) cementing head body and quick change gland and the sleeve pipe.What the connection between them was generally adopted at present is API round buckle screw thread, because it is uneven that the cementing head body is heavy, deadweight distributes, be easy to cause between the API screw thread when cementing head is installed and disorderly detain, not only can cause the connection procedure cost long time of cementing head and quick change gland and sleeve pipe, also occur easily to cause cementing head to be scrapped owing to disorderly detaining, cause huge economic loss.(2) now throwing in plug with cementing head has some setbacks.Force plug to fall because the plug cavity volume major part of ordinary Portland cement head, will strengthen strength all less than the plug diameter when throwing in plug, increased the labour intensity the when workman throws in plug, wasted dentist's operating time, stay hidden danger to cementing quality.
Its internal diameter of the cementing head of same nominal size generally is less than its nominal size, and the cementing plug of same nominal size is greater than its cementing head internal diameter, and the dropping process when so just making the input cementing plug is sweat very.The constructor usually will impact continuously plug with hammer and just can put in.How in the open air particularly well cementing operation operation, the impact of climate environment is thrown in plug labor strength will obviously be increased.The ordinary Portland cement head is because the cementing head body is comparatively heavy, own wt is uneven, (side has balance pipe apparatus) in installation process since cementing head to lay particular stress on unbalanced easy generations eccentric, be easy to cause disorderly button phenomenon of API cross threading, make the cementing head damage and scrap.The cementing head of normal operation all is being to adopt the API round thread to be connected with the quick change gland on top and the hydraulic quick coupler of bottom now, the workman will rotate a lot of circles during construction, in order to guarantee that pressure is also tighter with the boosting-rod pressurization at last, namely wasted the time, increase again labour intensity, brought potential safety hazard for the site operation personnel.
In recent years, along with oil exploitation to cementing technology require more and more stricter, also more and more higher to the performance requirement of cementing tool.Cementing head not only will possess the cement paste Safety Injection of extremely high pressure to the ability between the annular space of sleeve pipe and the borehole wall, also will have fast, safety, labour-saving effect.How under the prerequisite of safety, research and development produce the cementing head that filled with water mud speed is more and more faster, operation is more and more laborsaving, safety is become better and better, and develop therefore that a kind of to have the cementing-head device that large diameter, straight button connect fast be the new problem that the cementing tool manufacturing is badly in need of solution.
Summary of the invention
The purpose of this utility model provides and a kind ofly directly links the measure that connects by the cementing head body being designed to all adopt greater than plug internal diameter, body and top quick change gland and bottom hydraulic quick coupler, effectively solved an above-mentioned difficult problem, for cementing operation provides a kind of a kind of cementing-head device with large diameter, the quick connection of straight button that fast plug falling speed, connection make things convenient for rapidly, alleviate labor strength, lifting safety factor that has.
The purpose of this utility model is achieved in that a kind of large diameter that has, the cementing-head device that straight button connects fast, by the quick change loam cake, upper latch segment, upper lock bolt, the cementing head body, cementing plug, lower latch segment, lower lock bolt, hydraulic quick coupler, bascule forms, cementing plug is put into the cementing head body, the quick change loam cake is placed on the cementing head body, upper latch segment is put into groove corresponding to cementing head body seal in upper lock bolt, the cementing head body is placed on the hydraulic quick coupler, the groove of lower latch segment being put into corresponding hydraulic quick coupler seals in lower lock bolt, adopt directly to link at cementing head body and quick change loam cake and hydraulic quick coupler to connect, bascule is connected with cementing head body side.
Main points of the present utility model are its structure.Its operating principle is, when opening the quick change loam cake cementing plug being knocked down the cementing head inner chamber, because the cementing head internal diameter is greater than the plug external diameter, plug can easily fall; When the quick change loam cake is connected with the cementing head body, connect owing to adopt directly to link, as long as the quick change loam cake has been aimed at position on the cementing head body, rely on the deadweight of quick change loam cake, naturally drop to assigned address, rotate gently 120 degree angles, just realized connection, the mode of connecing that directly links has also been adopted with being connected of hydraulic quick coupler in same cementing head bottom, so the workman will save for 2/3rds time than original employing API thread connecting mode in operating process, has also alleviated simultaneously a large amount of muscle power; When opening the quick change gland cementing plug being knocked down the cementing head inner chamber, because cementing head body internal diameter is greater than the cementing plug external diameter, cementing plug can easily fall, the pressure that produces in the cementing plug dropping process in time is back to the top of cementing head body by bascule, so that the cementing head internal pressure reaches balance, cementing plug is able to smooth whereabouts.
A kind of have a large diameter, the cementing-head device that straight button connects fast compared with prior art, have novel, solved extremely cleverly and thrown in for a long time the plug difficulty, make cementing head possess the performance that can discharge fast plug, realize the quick concatenation ability of cementing head and quick change loam cake and hydraulic quick coupler, possess and increase work efficiency, save the operating time, reduce the function of labour intensity, the cementing head ease of connection is button disorderly, thread alternating and labour intensity are large, production efficiency is hanged down problem, makes the connection of cementing head light, safety, the advantage such as quick will be widely used in cementing tool and manufacture and design in the field.
Below in conjunction with drawings and Examples the utility model is elaborated.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is straight buckle portion separation structure enlarged drawing of the present utility model.
Fig. 3 is the left view of Fig. 2.
The specific embodiment
With reference to accompanying drawing, a kind of have a large diameter, the cementing-head device that straight button connects fast, by quick change loam cake 1, upper latch segment 2, upper lock bolt 3, cementing head body 4, cementing plug 5, lower latch segment 6, lower lock bolt 7, hydraulic quick coupler 8, bascule 9 forms, cementing plug 5 is put into cementing head body 4, quick change loam cake 1 is placed on the cementing head body 4, the groove of upper latch segment 2 being put into cementing head body 4 correspondences seals in upper lock bolt 3, cementing head body 4 is placed on the hydraulic quick coupler 8, the groove of lower latch segment 6 being put into corresponding hydraulic quick coupler 8 seals in lower lock bolt 7, adopt directly to link with quick change loam cake 1 and hydraulic quick coupler 8 at cementing head body 4 to connect, bascule 9 is connected with cementing head body 4 sides.
Claims (1)
1. one kind has large diameter, the cementing-head device that straight button connects fast, by the quick change loam cake, upper latch segment, upper lock bolt, the cementing head body, cementing plug, lower latch segment, lower lock bolt, hydraulic quick coupler, bascule forms, it is characterized in that: cementing plug is put into the cementing head body, the quick change loam cake is placed on the cementing head body, upper latch segment is put into groove corresponding to cementing head body seal in upper lock bolt, the cementing head body is placed on the hydraulic quick coupler, the groove of lower latch segment being put into corresponding hydraulic quick coupler seals in lower lock bolt, adopt directly to link at cementing head body and quick change loam cake and hydraulic quick coupler to connect, bascule is connected with cementing head body side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417213 CN202832353U (en) | 2012-08-22 | 2012-08-22 | Straight-buckle fast connection cement head device with large inner diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417213 CN202832353U (en) | 2012-08-22 | 2012-08-22 | Straight-buckle fast connection cement head device with large inner diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832353U true CN202832353U (en) | 2013-03-27 |
Family
ID=47944085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220417213 Expired - Fee Related CN202832353U (en) | 2012-08-22 | 2012-08-22 | Straight-buckle fast connection cement head device with large inner diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832353U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808593A (en) * | 2012-08-22 | 2012-12-05 | 沈阳白云机械有限公司 | Cement head device with large inner diameter and in direct-buckle quick connection |
| CN105317395A (en) * | 2014-07-07 | 2016-02-10 | 中国石油化工股份有限公司 | Rotary cement head |
| CN106522875A (en) * | 2016-12-07 | 2017-03-22 | 中国石油集团西部钻探工程有限公司 | Well cementation joint |
-
2012
- 2012-08-22 CN CN 201220417213 patent/CN202832353U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808593A (en) * | 2012-08-22 | 2012-12-05 | 沈阳白云机械有限公司 | Cement head device with large inner diameter and in direct-buckle quick connection |
| CN105317395A (en) * | 2014-07-07 | 2016-02-10 | 中国石油化工股份有限公司 | Rotary cement head |
| CN105317395B (en) * | 2014-07-07 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of rotary cement head |
| CN106522875A (en) * | 2016-12-07 | 2017-03-22 | 中国石油集团西部钻探工程有限公司 | Well cementation joint |
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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 |
Granted publication date: 20130327 Termination date: 20150822 |
|
| EXPY | Termination of patent right or utility model |