CN205012958U - Dabber hanger that can exchange with slips hanger - Google Patents
Dabber hanger that can exchange with slips hanger Download PDFInfo
- Publication number
- CN205012958U CN205012958U CN201520424020.1U CN201520424020U CN205012958U CN 205012958 U CN205012958 U CN 205012958U CN 201520424020 U CN201520424020 U CN 201520424020U CN 205012958 U CN205012958 U CN 205012958U
- Authority
- CN
- China
- Prior art keywords
- hanger
- slips
- dabber
- casing head
- exchange
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a dabber hanger that can exchange with slips hanger leans on the periphery of last butt joint to be provided with left -handed screw at dabber hanger middle bench, all the other positions set up according to the normal sleeve size outside the dabber hanger middle bench circumference left -handed screw. The utility model discloses a structure is convenient for sit at dabber hanger 1 and is reported the loss effects, need change slips hanger 4 immediately and sit when hanging, and upper casing head or oil pipe head need not to change the structural style for supporting adoptions of slips hanger, has not only practiced thrift to use the scene and allocate upper casing head or first required time of oil pipe again, has shortened drilling period moreover again, and the while has also been saved and has been reserve upper casing head or the first cost of spending of oil pipe.
Description
Technical field
The utility model belongs to oil drilling and extracting equipment technical field, relates to a kind of mandrel hanger that can exchange with slips hanger.
Background technology
The wellhead assembly of complete set sets three parts composition primarily of casing head, tubing head and oil recovery (gas).During drilling well, preventer is arranged on casing head and forms wellhead for drilling; During completion, oil recovery (gas) tree is arranged on above tubing head, namely forms oil recovery (gas) wellhead assembly.Wherein, the Main Function of tubing head hangs oil pipe, the annular space between sealing oil pipe and sleeve pipe; The Main Function that oil recovery (gas) is set is switch, control and guidance gas stream and suspension oil pipe; The effect of casing head connects surface pipe, the annular space between Sealed casing pipe and sleeve pipe, and in casing head, the effect of hanger is to hang multilayer sleeve in well.Whole device need meet the formation testing completion jobs that requires special skills such as drilling well, well cementation and testing pressure down hole, well-flushing, fracture acidizing.
In the process transferring sleeve pipe, if once on-the-spot there is the situations such as cave-in, and now mandrel hanger is not sat and is suspended to position, just needs mandrel hanger to be replaced by slips hanger immediately.And traditional mandrel hanger top needs to be connected with landing joint, its top is box, and its external diameter designs according to the excircle dimension of box cupling in Drilling Design.Because the external diameter of box cupling is larger than the external diameter of same model sleeve pipe, cause the lower secondary of the upper strata casing head of supporting mandrel hanger or tubing head to seal and cannot be applicable to the sleeve pipe that slip-type hanger blocks, therefore need again to the well site a set of upper strata casing head supporting with it of allotment or tubing head.So just cause drilling period to extend because of the stand-by period, also causing the casing head because laying in different size or tubing head simultaneously, adding equipment cost.
Utility model content
The purpose of this utility model is to provide a kind of mandrel hanger that can exchange with slips hanger, solve slips hanger and mandrel hanger in prior art can not realize exchanging, cause corollary equipment complicated, because the upper strata casing head or tubing head of laying in different size tie up the problem of a large amount of equipment cost.
The technical scheme that the utility model adopts is, a kind of mandrel hanger that can exchange with slips hanger, the periphery of the top docking of mandrel hanger middle bench is provided with left hand thread, and outside mandrel hanger middle bench circumference left hand thread, all the other positions are arranged according to normal sleeve size.
The mandrel hanger that can exchange with slips hanger of the present utility model, is further characterized in that:
Left hand thread with under enter instrument and pass through threaded engagement.
The beneficial effects of the utility model are, the top correct position of mandrel hanger 1 body middle bench circumference arranges left hand thread, sent in casing head body 3 to sit by mandrel hanger hang to enter instrument 2 under coordinating hanger.All the other positions outside mandrel hanger 1 middle bench circumference left hand thread are arranged according to normal sleeve size, be convenient to sit at mandrel hanger 1 and report the loss effect, need to change immediately slips hanger 4 when sitting extension, upper strata casing head or tubing head are without the need to being replaced by supporting the adopted form of structure of slips hanger, use on-the-spot redistribution upper strata casing head or the time needed for tubing head are not only saved, and shorten drilling period again, also save deposit upper strata casing head or the cost that spends of tubing head simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model mandrel hanger 1;
Fig. 2 is the assembly structure schematic diagram that the utility model mandrel hanger 1 is seated in casing head body 3;
Fig. 3 is the assembly structure schematic diagram that the slips hanger 4 after changing is seated in casing head body 3.
In figure, 1. mandrel hanger, 2. enters instrument down, 3. casing head body, 4. slips hanger, 5. left hand thread.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
With reference to Fig. 1, structure of the present utility model is, the periphery of the top docking of mandrel hanger 1 middle bench is provided with left hand thread 5, under connecting, enter instrument 2; Left hand thread 5 with under enter instrument 2 by threaded engagement, mandrel hanger 1 is sent in casing head body 3 to sit and hangs; Outside mandrel hanger 1 middle bench circumference left hand thread, all the other positions are arranged according to normal sleeve size, and namely external diameter and normal sleeve is measure-alike.
As shown in Figure 2 and Figure 3, position is suspended to when mandrel hanger 1 cannot be sat because of reasons such as cave-ins, when needing to change slips hanger 4, by under enter instrument 2 and send in casing head body 3 inner chamber, use left hand thread connecting mandrel hanger 1 body upper end, its underpart, promote and take out mandrel hanger 1, then take out the slips hanger 4 needing to change.Then, again the slips hanger 4 of respective sleeve size is assembled in casing head body 3 inner chamber as requested, the exchange of mandrel hanger 1 and slips hanger 4 can be completed smoothly.
This mandrel hanger 1 that can exchange with slips hanger 4, be convenient to mandrel hanger 1 sit report the loss effect, need change slips hanger 4 sit extension time, without the need to changing upper strata casing head or tubing head, the installation of slips hanger 4, sealing can be realized, use on-the-spot redistribution upper strata casing head or the time needed for tubing head are not only saved, shorten drilling period, also save deposit upper strata casing head or the cost that spends of tubing head simultaneously.
Claims (2)
1. the mandrel hanger that can exchange with slips hanger, it is characterized in that: mandrel hanger (1) is provided with middle bench, on middle bench, mandrel hanger (1) periphery of position is provided with left hand thread (5), except outside the middle bench on mandrel hanger (1) and left hand thread (5) two sections, all the other section of circumference external diameter of this mandrel hanger (1) and the measure-alike of normal sleeve.
2. the mandrel hanger that can exchange with slips hanger according to claim 1, is characterized in that: described left hand thread (5) with under enter instrument (2) and pass through threaded engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424020.1U CN205012958U (en) | 2015-06-18 | 2015-06-18 | Dabber hanger that can exchange with slips hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424020.1U CN205012958U (en) | 2015-06-18 | 2015-06-18 | Dabber hanger that can exchange with slips hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205012958U true CN205012958U (en) | 2016-02-03 |
Family
ID=55211567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520424020.1U Active CN205012958U (en) | 2015-06-18 | 2015-06-18 | Dabber hanger that can exchange with slips hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205012958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594972A (en) * | 2018-11-29 | 2019-04-09 | 江苏新彩阳机电技术有限公司 | A kind of mechanical boll-weevil hanger |
-
2015
- 2015-06-18 CN CN201520424020.1U patent/CN205012958U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594972A (en) * | 2018-11-29 | 2019-04-09 | 江苏新彩阳机电技术有限公司 | A kind of mechanical boll-weevil hanger |
| CN109594972B (en) * | 2018-11-29 | 2022-05-03 | 江苏新彩阳机电技术有限公司 | Mechanical oil pipe hanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202483565U (en) | Pressurized short section of negative impulse measurement apparatus while drilling | |
| CN102213081B (en) | Spindle type metal sealing and metal framework type rubber sealing sleeve hanger | |
| CN104343417B (en) | A kind of six aperture switching sliding sleeves | |
| CN202500518U (en) | Integrated oil casing head for well drilling and completion | |
| CN205895195U (en) | Multi -functional casing head of slips dabber interchangeable formula | |
| CN205012958U (en) | Dabber hanger that can exchange with slips hanger | |
| CN202900149U (en) | Accessible type oil pipe plugging device for operation under pressure | |
| CN203978311U (en) | A kind of double layer oil pipe | |
| CN201786314U (en) | Embedded blowout preventer of sucker rod | |
| CN204299518U (en) | A kind of Multilateral Wells completion casing tieback locking tool | |
| CN206562920U (en) | The interchangeable casing head of a kind of mandrel, slips hanger | |
| CN202370464U (en) | Fixture block type releasing connector | |
| CN203321472U (en) | Double-barrelled wellhead assembly of viscous crude thermal recovery | |
| CN205189801U (en) | Oil well pipeline maintenance device | |
| CN204703788U (en) | Short joint for pressure test of casing of well plugging device | |
| CN206625815U (en) | A kind of anti-leak thermal extraction casing head | |
| CN104879098A (en) | Concentric double-pipe gas well production pipe column | |
| CN202300274U (en) | Combined tee joint | |
| CN205000931U (en) | Center tube protector coaxial with hydro -cylinder | |
| CN206071475U (en) | Adjustable wellhead sealing suspension device | |
| CN203412542U (en) | Sleeve suspension device | |
| CN204200106U (en) | A kind of hydraulic casing centralizer | |
| CN204024578U (en) | A kind of packer | |
| CN205047187U (en) | A blanking plug in oil pipe for steel wire is put in | |
| CN204060576U (en) | A kind of horizontal well lost circulation prevention double layer oil pipe isolation cycle mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |