CN207974792U - A kind of small tail pipe large diameter hanger - Google Patents
A kind of small tail pipe large diameter hanger Download PDFInfo
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- CN207974792U CN207974792U CN201820328758.1U CN201820328758U CN207974792U CN 207974792 U CN207974792 U CN 207974792U CN 201820328758 U CN201820328758 U CN 201820328758U CN 207974792 U CN207974792 U CN 207974792U
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Abstract
The utility model provides a kind of small tail pipe large diameter hanger comprising：The lifting pipe nipple is connect with back-off joint screw thread, is lifted and is pressed with steel ball and cage ring between pipe nipple lower end and load support set；The load support set is equipped with sealing ring between back-off connector and cone respectively, and spring is housed between load support set and back-off connector, and load support set lower end is pressed on suspension ontology；The suspension body upper part connects back-off nut by left-hand thread, and keyway arrangements are equipped between the back-off nut and back-off connector；The cone is fixed by shear pin on the outside of the suspension body upper part and is equipped with sealing ring between the two, outside is threadedly coupled by jackscrew stationary slip, suspension ontology lower end with lower contact in the middle part of suspension ontology.The utility model disclosure satisfy that interior latus rectum is the small tail tube hanging operation of Ф 93mm, and the requirement for the big orifice use environment that meets the requirements provides convenience for subsequent job, increases the scope of application of tool.
Description
Technical field
The utility model is related to oil field completion work hanging tool, it is Ф to be suitable for suspension internal diameter in 5 cun of half-covering tubes made in Great Britain
The suspension operation of 93mm casings belongs to the technical field in terms of suspension big orifice tail pipe in a kind of general 5 cun of half-covering tubes made in Great Britain.
Background technology
Currently, in oil gas field completion well cementing operation technical field, tail tube hanging technology is universal, the type of hanger compared with
It is more, wherein be the small extension hanger in five cun of half-covering tubes in upper layer casing, it is more popular.
Existing small extension hanger is complicated, and interior latus rectum is smaller（Start work after giving up in interior latus rectum, that is, hanger
The tubing string internal diameter of work, latus rectum size is consistent with tail pipe internal diameter in hanger in）, it is Ф to be commonly used for suspension internal diameter
The suspension operation of 85.6mm tail pipes.But the tail pipe that scene has a kind of internal diameter to be Ф 93mm needs to carry out suspension operation, this is common small
Extension hanger can no longer meet it and hang operation, limit the application range of hanger.
The utility model provides a kind of small tail pipe large diameter hanger that can meet interior latus rectum for Ф 93mm, for solving
Big orifice tail tube hanging problem present in above-mentioned completion well cementing operation.
Invention content
The purpose of this utility model is to provide for a kind of suspension internal diameter being Ф 93mm casings in 5 cun of half-covering tubes made in Great Britain
Small tail pipe large diameter hanger.
The utility model is by lifting pipe nipple, cone, back-off connector, steel ball, cage ring, load support set, sealing ring, bullet
Spring, suspension ontology, back-off nut, shear pin, slips, jackscrew, lower contact composition, it is characterised in that：It is from top to bottom respectively set, carries
It draws pipe nipple to be connect with back-off joint screw thread, lifts and be pressed with steel ball and cage ring, load branch between pipe nipple lower end and load support set
Support set is equipped with sealing ring between back-off connector and cone respectively, and spring, load are housed between load support set and back-off connector
Supporting sleeve lower end is pressed on suspension ontology, and suspension body upper part connects back-off nut, back-off nut and back-off connector by left-hand thread
Between be equipped with flat slot structure, by be buckled to connector can rotate back-off nut, move it up, compressed spring simultaneously enter load
Inside supporting sleeve, cone is fixed on by shear pin on the outside of suspension body upper part, and sealing ring, card are equipped between cone and suspension ontology
Watt outside in the middle part of suspension ontology is fixed on by jackscrew, suspension ontology lower end is threadedly coupled with lower contact, lower contact lower end and now
The tail pipe connection of field application.
The beneficial functional of the utility model is：The utility model disclosure satisfy that interior latus rectum is the outstanding of the small tail pipe of Ф 93mm
Operation is hung, the requirement for the big orifice use environment that meets the requirements is provided convenience for subsequent job, increases the applicable model of tool
It encloses.
Description of the drawings
Fig. 1 is the small tail pipe large diameter hanger structural schematic diagram described in the utility model embodiment.
Fig. 2 is the small tail pipe large diameter hanger work structuring close-up schematic view described in the utility model embodiment.
Fig. 3 is the small tail pipe large diameter hanger slips open configuration schematic diagram described in the utility model embodiment.
Fig. 4 is that the small tail pipe large diameter hanger seat described in the utility model embodiment is hung（Hang）Schematic diagram.
Fig. 5 is underground status diagram after the small tail pipe large diameter hanger described in the utility model embodiment is given up.
Specific implementation mode
The structural principle of the utility model and operation principle are described in detail below in conjunction with the accompanying drawings：
The utility model is mainly used for meeting the suspension operation for the small tail pipe that interior latus rectum is Ф 93mm；
Referring to Fig. 1, Fig. 2, the utility model is by lifting pipe nipple（1）, cone（2）, back-off connector（3）, steel ball（4）, isolation
Circle（5）, load support set（6）, the first sealing ring（7）, the second sealing ring（8）, spring（9）, suspension ontology（10）, back-off nut
（11）, third sealing ring（12）, the first shear pin（13）, slips（14）, the second shear pin（15）, lower contact（16）Composition；Described
Lift pipe nipple（1）With back-off connector（3）It is threadedly coupled, the lifting pipe nipple（1）Lower end and load support set（6）Between be pressed with steel
Pearl（6）And cage ring（6）, the load support set（6）Respectively with cone（2）Between be equipped with the first sealing ring（7）, the load
Supporting sleeve（6）Respectively with back-off connector（3）Between be equipped with the second sealing ring（8）, the load support set（6）With back-off connector
（3）Between be equipped with spring（9）, the load support set（6）Lower end is pressed in suspension ontology（10）Upper end, the suspension ontology（10）
Upper inner connects back-off nut by left-hand thread（11）, the back-off nut（11）With back-off connector（3）Between be equipped with keyway knot
Structure, the back-off connector（3）Back-off nut can be rotated by keyway arrangements（11）, make back-off nut（11）It moves up, and
Compressed spring（9）Into load support set（6）Inside, the cone（2）It is fixed on suspension ontology by the first shear pin（10）On
On the outside of portion, the cone（2）With suspension ontology（10）Between be equipped with third sealing ring（12）, the slips（14）It is cut by first
Nail（15）It is fixed on suspension ontology（10）On the outside of middle part, the suspension ontology（10）Lower end and lower contact（16）It is threadedly coupled, institute
State lower contact（16）The tail pipe of lower end and field application connects.
Referring to Fig. 1, Fig. 2, Fig. 3, the small tail pipe large diameter hanger slips expansion action；The cone（2）Inside
First sealing ring（7）Mating surface and third sealing ring（12）Mating surface belongs to the different mating surface of size, and the small tail pipe is logical greatly
When being suppressed by liquid on the inside of diameter hanger, liquid will pass through the back-off connector（3）On circulation port and load support set（6）
On circulation port to cone（2）Generate downward thrust, the cone（2）Under certain thrust, the first shear pin is cut（13）, cone
Body（2）Downlink, the cone（2）It is pushed into slips after lower tapered surface downlink（14）With suspension ontology（10）Between, to make slips
（14）Slips piece be flared out.
Referring to Fig. 4, the small tail pipe large diameter hanger seat extension action；Small tail pipe large diameter hanger slips expansion action
After the completion, slips（14）In cone（2）The conical surface squeeze under be stuck in outer sleeve and cone（2）Between, drilling tool is pushed at this time,
Make suspension ontology（10）And its connector is together with respect to cone（2）And slips（14）It moves down, cuts the second shear pin（15）, suspension is originally
Body（10）And its connector, which moves down, is stuck in cone（2）Interior table top on, realize hanger seat hang.
Referring to Fig. 2, Fig. 4, Fig. 5, the small tail pipe large diameter hanger is given up action；Small tail pipe large diameter hanger seat is hung
After the completion of action, top drilling tool is rotated forward, by lifting pipe nipple（1）Drive back-off connector（3）It rotates forward, the back-off nut（11）With
It is buckled to connector（3）Between be equipped with keyway arrangements, the back-off connector（3）Back-off nut is driven by keyway arrangements（11）It rotates forward,
Make back-off nut（11）It moves up, and compressed spring（9）Into load support set（6）Inside is buckled to nut（11）It is detached from
Hang ontology（10）, pass through above lifting pipe nipple（1）So that back-off connector（3）And back-off nut（11）, spring（9）, load branch
Support set（6）, the first sealing ring（7）, the second sealing ring（8）, steel ball（6）, cage ring（6）It proposes together, realizes action of giving up.
Referring to Fig. 5, the small tail pipe large diameter hanger is given up after the completion of action, is stayed in the hanger part in well
Latus rectum is d, consistent with the small tail pipe big orifice size Ф 93mm of site requirement, meets technology requirement.
Claims (6)
1. a kind of small tail pipe large diameter hanger, by lifting pipe nipple (1), cone (2), back-off connector (3), steel ball (4), cage ring
(5), load support set (6), the first sealing ring (7), the second sealing ring (8), spring (9), suspension ontology (10), back-off nut
(11), third sealing ring (12), the first shear pin (13), slips (14), the second shear pin (15), lower contact (16) composition；Its feature
It is that the lifting pipe nipple (1) is threadedly coupled with back-off connector (3), the lifting pipe nipple (1) lower end and load support set (6)
Between be pressed with steel ball (4) and cage ring (5), the load support set (6) is equipped with the first sealing ring between cone (2) respectively
(7), the load support set (6) is equipped with the second sealing ring (8), the load support set (6) between back-off connector (3) respectively
Spring (9) is housed between back-off connector (3), load support set (6) lower end is pressed in suspension ontology (10) upper end, described outstanding
It hangs ontology (10) upper inner and back-off nut (11) is connected by left-hand thread, between the back-off nut (11) and back-off connector (3)
Equipped with keyway arrangements, the back-off connector (3) by keyway arrangements can rotate back-off nut (11), make back-off nut (11) to
Upper movement, and compressed spring (9) enters load support set (6) inside, the cone (2) is fixed on outstanding by the first shear pin (13)
Ontology (10) upper outside is hung, third sealing ring (12), the slips are equipped between the cone (2) and suspension ontology (10)
(14) outside, the suspension ontology (10) lower end and lower contact in the middle part of suspension ontology (10) are fixed on by the second shear pin (15)
(16) it is threadedly coupled, the tail pipe of lower contact (16) lower end and field application connects.
2. small tail pipe large diameter hanger as described in claim 1, which is characterized in that lifting pipe nipple (1) upper end is drilling rod
Female thread, lower end are regular screw threads female thread, thread size and the back-off upper end of joint screw thread pin thread dimensional fits.
3. small tail pipe large diameter hanger as described in claim 1, which is characterized in that be equipped with key in the middle part of the back-off connector outer circle
Slot coordinates with the key of described back-off nut (11) inner ring, and back-off connector outer circle middle and lower part is equipped with the shaft shoulder, prevents the back-off
Nut moves downward.
4. small tail pipe large diameter hanger as described in claim 1, which is characterized in that cone (2) lower end is pyramidal structure,
It is equipped with boss in the middle part of inner circle, is engaged with the suspension ontology (10), prevents the cone (2) from moving up；Under the cone (2)
Portion cylindrical surface is laid with 4 threaded threaded holes, fixed by the first shear pin (13) and the suspension ontology (10).
5. small tail pipe large diameter hanger as described in claim 1, which is characterized in that left-hand thread is arranged at suspension ontology (10) top
Internal thread coordinates with the back-off nut (11)；Suspension ontology (10) top outer circle is matched equipped with the shaft shoulder with the cone (2)
It closes；Outer circle is evenly distributed with 4 cylindrical grooves in the middle part of the suspension ontology (10), corresponding with cone threaded hole in the claim 4；
Suspension ontology (10) lower part outer circle is evenly distributed with 4 cylindrical grooves.
6. small tail pipe large diameter hanger as described in claim 1, which is characterized in that 4 teeth of slips (14) circumferencial direction
Piece is uniformly distributed, and lower end is cylindrical structure, 4 uniformly distributed threaded holes is provided with, with suspension ontology (10) lower part described in claim 5
Cylindrical groove corresponds to, fixed by the second shear pin (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820328758.1U CN207974792U (en) | 2018-03-12 | 2018-03-12 | A kind of small tail pipe large diameter hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820328758.1U CN207974792U (en) | 2018-03-12 | 2018-03-12 | A kind of small tail pipe large diameter hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207974792U true CN207974792U (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820328758.1U Active CN207974792U (en) | 2018-03-12 | 2018-03-12 | A kind of small tail pipe large diameter hanger |
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| CN (1) | CN207974792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024146535A1 (en) * | 2023-01-03 | 2024-07-11 | 中国石油化工股份有限公司 | Liner hanger |
-
2018
- 2018-03-12 CN CN201820328758.1U patent/CN207974792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024146535A1 (en) * | 2023-01-03 | 2024-07-11 | 中国石油化工股份有限公司 | Liner hanger |
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