CN109826583A - A kind of winter job construction well head exempts from thawing apparatus - Google Patents
A kind of winter job construction well head exempts from thawing apparatus Download PDFInfo
- Publication number
- CN109826583A CN109826583A CN201910070367.3A CN201910070367A CN109826583A CN 109826583 A CN109826583 A CN 109826583A CN 201910070367 A CN201910070367 A CN 201910070367A CN 109826583 A CN109826583 A CN 109826583A
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- China
- Prior art keywords
- seat
- ball
- well head
- ontology
- thawing apparatus
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Abstract
The invention discloses winter job construction well heads to exempt from thawing apparatus, which is characterized in that including ontology (5)；Connected pipes hang (4) on the ontology (5)；The tubing hanger (4) is tightly connected the well head；Ontology (5) upper end connects threeway (7)；The threeway (7), for connecting tapping pipeline；Ontology (5) lower end connects ball-and-seat (1)；The ball-and-seat (1), for being connected to or closing the tapping pipeline；Ball-and-seat (1) connection bleeds off pressure switch；It is described to bleed off pressure switch, it is used to open or closes the ball-and-seat (1).Solve the problems, such as that oilfield oil well winter construction well head easily freezes and can not release borehole pressure.
Description
Technical field
The present invention relates to oil-field well head device, when particularly winter job is constructed, the device that avoids well head from freezing.
Background technique
When construction oil-water well, needing first to release borehole pressure every morning can construct.But in winter, it may appear that casing
The above well head part of pipe nipple is frozen in phenomenon, can not release borehole pressure, need to be thawed with boiler car at this time, and uses Boiler Steam
It thaws, thawing time is up to 1 hour, reduces production efficiency, increases manpower and material resources loss.
Summary of the invention
In view of this, the present invention, which provides a kind of winter job construction well head, exempts from thawing apparatus, oilfield oil well winter is solved
The problem of construction well head easily freezes and can not release borehole pressure.
For achieving the above object, a kind of winter job construction well head exempts from thawing apparatus, which is characterized in that packet
It includes:
Ontology；
Connected pipes are hung on the ontology；
The tubing hanger is tightly connected the well head；
The ontology upper end connects threeway；
The threeway, for connecting tapping pipeline；
The ontology lower end connects ball-and-seat；
The ball-and-seat, for being connected to or closing the tapping pipeline；
The ball-and-seat connection bleeds off pressure switch；
It is described to bleed off pressure switch, it is used to open or closes the ball-and-seat.
Preferably, the ball-and-seat, including valve body, Spool assembly and spring；
The valve body is connected to the ontology lower end；
The Spool assembly, including valve rod；
The spring is cased on the valve rod；
The compressive state and rebound state of the spring, open and close the ball-and-seat shape for corresponding to the Spool assembly
State.
Preferably, described to bleed off pressure switch, including tappet；
The tappet, the driving force opened for transmitting the ball-and-seat.
Preferably, described to bleed off pressure switch, it further include screw nut driven mechanism；
The screw nut driven mechanism includes lead screw and nut；
The lead screw, for applying the driving force that the ball-and-seat is opened to the tappet.
Preferably, the nut is connect with the upper interface of the threeway.
Preferably, the upper interface of the threeway connects pressure cap；
Sealing ring is set between the pressure cap and the upper interface of the threeway.
Preferably, the tappet is connected in the ontology by righting mechanism；
The righting mechanism, including connecting tube and centering ring；
The connecting tube is connected between the ball-and-seat and the ontology；
The centering ring is connected in the connecting tube, for tappet described in righting.
Preferably, the valve rod lower end of the Spool assembly has pyramidal structure；
The pyramidal structure is used to open or closes the entrance of the valve body.
Preferably, it is connected between the ontology and the threeway by reducer union.
Preferably, there is through-hole up and down on the centering ring；
The through-hole, the fluid course for being connected between the ontology and the ball-and-seat.
The invention has the following beneficial effects:
Winter job construction well head of the present invention exempts from thawing apparatus, is sealedly attached to well head, so that down-hole liquid is cannot be introduced into casing short
Top is saved, when needing to construct, unlatching bleeds off pressure switch, and while bleeding off borehole pressure by ball-and-seat, down-hole liquid is flowed into
Well head promotes well head natural thaw since down-hole liquid has certain temperature.The device is easy to operate, easy for installation, has
Good practicability.
Detailed description of the invention
By the description below with reference to attached drawing to the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage is apparent, in the accompanying drawings:
Fig. 1 is that the winter job construction well head of the embodiment of the present invention exempts from the structural schematic diagram of thawing apparatus.
Specific embodiment
Below based on embodiment, present invention is described, but it is worth noting that, the present invention is not limited to these realities
Apply example.It is detailed to describe some specific detail sections below in datail description of the invention.However, for not detailed
The present invention can also be understood completely in the part described to the greatest extent, those skilled in the art.
In addition, it should be understood by one skilled in the art that provided attached drawing simply to illustrate that the purpose of the present invention,
Feature and advantage, attached drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, "include", "comprise" etc. otherwise throughout the specification and claims
Similar word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being " including but not limited to "
Meaning.
Fig. 1 is that the winter job construction well head of the embodiment of the present invention exempts from the structural schematic diagram of thawing apparatus.As shown in Figure 1,
A kind of winter job construction well head exempts from thawing apparatus, including ontology 5；Connected pipes hang 4 on ontology 5, wherein tubing hanger 4 seals
It is connected on well head, mainly the effect of sealing oil jacket suspension oil pipe and the application package unit.5 upper end of ontology connects threeway 7,
Threeway 7 is for connecting tapping pipeline；5 lower end of ontology connects ball-and-seat 1, and ball-and-seat 1 is for being connected to or closing tapping pipeline；Dan Liu
Valve 1 is connected with switch is bled off pressure, and is bled off pressure switch and is used to open or closes ball-and-seat 1.
Specifically, in Fig. 1, ball-and-seat 1, including valve body, Spool assembly and spring；Valve body is connected to ontology lower end；Valve
Core assembly, including valve rod；Spring is cased on valve rod；The compressive state and rebound state of spring, are opened for corresponding to Spool assembly
And close 1 state of ball-and-seat.
Specifically, in Fig. 1, switch, including tappet 3 are bled off pressure, which is used to transmit the driving force of the opening of ball-and-seat 1.
In Fig. 1, switch is bled off pressure, further includes screw nut driven mechanism, the screw nut driven mechanism, including lead screw 9
And nut 8；Lead screw 9, for applying the driving force that ball-and-seat 1 is opened to tappet 3；Nut 8 is connected to the upper interface of threeway 7.Three
Logical 7 upper interface connects pressure cap 10；Sealing ring 11 is set between pressure cap 10 and the upper interface of threeway 7.
In Fig. 1, tappet 3 is connected in ontology 5 by righting mechanism；Righting mechanism, including connecting tube and centering ring；Even
Adapter tube is connected between ball-and-seat 1 and ontology 5；Centering ring is welded in connecting tube, is used for righting tappet 3, guarantees tappet stress
When be not bent, pass through liquid.
Preferably, there is through-hole up and down, the through-hole, for being connected between ontology 5 and ball-and-seat on centering ring
Fluid course, to not influence pressure release.
In Fig. 1, the valve rod lower end of Spool assembly has a pyramidal structure, and pyramidal structure is used to open or valve body enters
Mouthful.
In Fig. 1, connected between ontology 5 and threeway 7 by reducer union 6.
Specifically, it is done further in conjunction with Fig. 1 course of work for exempting from thawing apparatus to winter job construction well head of the invention
Explanation:
When night in winter well head terminates construction, the thawing apparatus of the application is connect with well oil pipe, seat enters the big four of well head
It is interior, jackscrew is tightened, preventer is closed.
Liquid in well can not enter in device from bottom ball-and-seat, be no liquid state in ball-and-seat 1 and ontology 5, reach
To the effect of closing well head.When construction needs to bleed off pressure again, rotating threaded shaft 9 is only needed, 9 downlink of lead screw is withstood on tappet 3, tappet 3
Downlink opens bottom ball-and-seat, and the pressure and liquid in well are by thawing apparatus, in the liquid discharging tube by connecting with threeway 7
Line enters environmentally friendly tank；Since the fluid temperature returned on shaft bottom is higher than well head, the well head being frozen at this time is dissolved out, bottom pressure
Thawing apparatus can be proposed after reduction, normally play lower tubular column.
Embodiment described above is only to express embodiments of the present invention, and the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that those skilled in the art,
Under the premise of not departing from present inventive concept, several deformations, same replacement can also be made, improved etc., these belong to the present invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of winter job construction well head exempts from thawing apparatus characterized by comprising
Ontology (5)；
Connected pipes hang (4) on the ontology (5)；
The tubing hanger (4) is tightly connected the well head；
Ontology (5) upper end connects threeway (7)；
The threeway (7), for connecting tapping pipeline；
Ontology (5) lower end connects ball-and-seat (1)；
The ball-and-seat (1), for being connected to or closing the tapping pipeline；
Ball-and-seat (1) connection bleeds off pressure switch；
It is described to bleed off pressure switch, it is used to open or closes the ball-and-seat (1).
2. winter job construction well head according to claim 1 exempts from thawing apparatus, it is characterised in that:
The ball-and-seat (1), including valve body, Spool assembly and spring；
The valve body is connected to the ontology (5) lower end；
The Spool assembly, including valve rod；
The spring is cased on the valve rod；
The compressive state and rebound state of the spring, for corresponding to the Spool assembly opening and closing the ball-and-seat (1)
State.
3. winter job construction well head according to claim 1 exempts from thawing apparatus, it is characterised in that:
It is described to bleed off pressure switch, including tappet (3)；
The tappet (3), for transmitting the driving force of the ball-and-seat (1) opening.
4. winter job construction well head according to claim 3 exempts from thawing apparatus, it is characterised in that:
It is described to bleed off pressure switch, it further include screw nut driven mechanism；
The screw nut driven mechanism includes lead screw (9) and nut (8)；
The lead screw (9), for applying the driving force that the ball-and-seat (1) is opened to the tappet (3).
5. winter job construction well head according to claim 4 exempts from thawing apparatus, it is characterised in that:
The nut (8) connect with the upper interface of the threeway (7).
6. winter job construction well head according to claim 5 exempts from thawing apparatus, it is characterised in that:
Upper interface connection pressure cap (10) of the threeway (7)；
Sealing ring (11) are set between the pressure cap (10) and the upper interface of the threeway (7).
7. exempting from thawing apparatus according to the described in any item winter job construction well heads of claim 3-6, it is characterised in that:
The tappet (3) is connected in the ontology (5) by righting mechanism；
The righting mechanism, including connecting tube and centering ring；
The connecting tube is connected between the ball-and-seat (1) and the ontology (5)；
The centering ring is connected in the connecting tube, for tappet (3) described in righting.
8. winter job construction well head according to claim 2 exempts from thawing apparatus, it is characterised in that:
The valve rod lower end of the Spool assembly has pyramidal structure；
The pyramidal structure is used to open or closes the entrance of the valve body.
9. winter job construction well head according to claim 1 exempts from thawing apparatus, it is characterised in that:
It is connect between the ontology (5) and the threeway (7) by reducer union (6).
10. winter job construction well head according to claim 7 exempts from thawing apparatus, it is characterised in that:
There is through-hole up and down on the centering ring；
The through-hole, the fluid course for being connected between the ontology (5) and the ball-and-seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070367.3A CN109826583A (en) | 2019-01-25 | 2019-01-25 | A kind of winter job construction well head exempts from thawing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070367.3A CN109826583A (en) | 2019-01-25 | 2019-01-25 | A kind of winter job construction well head exempts from thawing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109826583A true CN109826583A (en) | 2019-05-31 |
Family
ID=66862384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910070367.3A Pending CN109826583A (en) | 2019-01-25 | 2019-01-25 | A kind of winter job construction well head exempts from thawing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109826583A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662603A (en) * | 1985-10-03 | 1987-05-05 | Seaboard Wellhead, Inc. | Piloted wellhead flow control valve |
| CN2494893Y (en) * | 2001-08-17 | 2002-06-12 | 大庆油田有限责任公司 | Liquid pressure gearing antifreezing pressure sampler |
| CN2526817Y (en) * | 2001-10-31 | 2002-12-18 | 佟立辉 | Freeze-proof anti-theft pressure-taking sampler |
| CN201024985Y (en) * | 2007-03-29 | 2008-02-20 | 大庆油田有限责任公司 | Movable freezing prevention and lockage release valve |
| CN202152680U (en) * | 2011-07-08 | 2012-02-29 | 中国石油天然气股份有限公司 | Bidirectional sealed wellhead sampling valve |
| CN203230402U (en) * | 2013-03-13 | 2013-10-09 | 中国石油天然气股份有限公司 | Anti-freezing constant pressure gas production automatic recovery device |
| CN105257255A (en) * | 2015-10-28 | 2016-01-20 | 中国石油天然气股份有限公司 | Plug-in anti-frozen-blocking casing gas recovery device |
| RU174830U1 (en) * | 2017-03-21 | 2017-11-03 | Общество с ограниченной ответственностью "Завод нефтегазового оборудования "ТЕХНОВЕК" | BYPASS VALVE |
-
2019
- 2019-01-25 CN CN201910070367.3A patent/CN109826583A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662603A (en) * | 1985-10-03 | 1987-05-05 | Seaboard Wellhead, Inc. | Piloted wellhead flow control valve |
| CN2494893Y (en) * | 2001-08-17 | 2002-06-12 | 大庆油田有限责任公司 | Liquid pressure gearing antifreezing pressure sampler |
| CN2526817Y (en) * | 2001-10-31 | 2002-12-18 | 佟立辉 | Freeze-proof anti-theft pressure-taking sampler |
| CN201024985Y (en) * | 2007-03-29 | 2008-02-20 | 大庆油田有限责任公司 | Movable freezing prevention and lockage release valve |
| CN202152680U (en) * | 2011-07-08 | 2012-02-29 | 中国石油天然气股份有限公司 | Bidirectional sealed wellhead sampling valve |
| CN203230402U (en) * | 2013-03-13 | 2013-10-09 | 中国石油天然气股份有限公司 | Anti-freezing constant pressure gas production automatic recovery device |
| CN105257255A (en) * | 2015-10-28 | 2016-01-20 | 中国石油天然气股份有限公司 | Plug-in anti-frozen-blocking casing gas recovery device |
| RU174830U1 (en) * | 2017-03-21 | 2017-11-03 | Общество с ограниченной ответственностью "Завод нефтегазового оборудования "ТЕХНОВЕК" | BYPASS VALVE |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |