CN209510284U - A kind of measurable well head connection sealer of pressure - Google Patents
A kind of measurable well head connection sealer of pressure Download PDFInfo
- Publication number
- CN209510284U CN209510284U CN201821793638.5U CN201821793638U CN209510284U CN 209510284 U CN209510284 U CN 209510284U CN 201821793638 U CN201821793638 U CN 201821793638U CN 209510284 U CN209510284 U CN 209510284U
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- connecting tube
- pressure
- transfer tube
- tube
- instrument connection
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Abstract
The utility model relates to a kind of measurable well heads of pressure to connect sealer, including transfer tube, connecting tube, upper connecting tube, one end and connecting tube one end of transfer tube are tightly connected, the other end and upper connecting tube of connecting tube, which are formed, to be tightly connected, work as transfer tube, connecting tube, after upper connecting tube connection, the cable passage that current supply cable passes through is formed inside three, transfer tube, the cutting ferrule for being formed to cable and clamping clamping is respectively equipped in connecting tube, test chamber is formed between two cutting ferrules, it is offered in the radial direction of transfer tube and forms the instrument connection being connected to test chamber, the plug that sealing is formed to instrument connection is equipped in instrument connection.When being tested, back out plug, use pressure device, by instrument connection into test chamber injection pressure, wellhead sealing device can be carried out suppressing test, to can determine the validity of wellhead sealing before production, wellhead sealing device resistance to compression state is intact before guaranteeing production, to reduce security risk, and reduce the well operations expense of great number.
Description
Technical field
The utility model relates to a kind of measurable well heads of pressure to connect sealer.
Background technique
Traditional wellhead sealing device has no the validity that simple effective means seals wellhead sealing device after mounting
Real-time live verifying is carried out, is leaked in production process, can only stop producing, carry out kill-job and plays well operations, replaces shaft bottom
Wellhead sealing device can generate the operating cost of great number in this way, waste the production time and have security risk.
Summary of the invention
It is measurable convenient for the pressure that monitors, be easy to use that in view of the above problems, the object of the present invention is to provide a kind of
Well head connects sealer.
The technical scheme for implementing the utility model is as follows
A kind of measurable well head connection sealer of pressure, including transfer tube, connecting tube and upper connecting tube, the transfer tube
One end and connecting tube one end be tightly connected, the other end of connecting tube and upper connecting tube are formed and are tightly connected, when transfer tube, connection
After pipe, upper connecting tube connection, the cable passage that current supply cable passes through is formed inside three, is set respectively in the transfer tube, connecting tube
It is equipped with the cutting ferrule for being formed to cable and clamping clamping, test chamber is formed between two cutting ferrules, offers and survey in the radial direction of transfer tube
The instrument connection that chamber forms connection is tried, the plug for forming sealing to instrument connection is equipped in instrument connection.
Further, the cutting ferrule is stainless steel cutting ferrule.
Further, the instrument connection is bellmouth, and bellmouth is gradually reduced inwardly on the outside of connecting tube.
Further, the test hole wall is 1/16NPT taper thread.
Further, the plug is the taper thread plug of 1/16NPT.
Further, the other end of the transfer tube is equipped with connector, and the outer peripheral surface of connector is gradually to subtract outward
Small taper connection face.
Using above-mentioned technical proposal, connects sealer and installed with wellhead tee joint, cable is drawn and carries out wiring;
Before connection sealer comes into operation or in use process, when normal operating condition, plug is assemblied in instrument connection to survey
It tries chamber and forms closure sealing, when being tested, plug is backed out, using pressure device, through instrument connection into test chamber
Injection pressure, it can wellhead sealing device is carried out to suppress test, thus can be to the effective of wellhead sealing before production
Property determined, wellhead sealing device resistance to compression state is intact before guaranteeing production, to reduce security risk, and reduces rising for great number
Well operations expense.
Detailed description of the invention
Fig. 1 is the use state diagram of the utility model;
Fig. 2 is the pressure device schematic diagram for suppress to the utility model test.
In attached drawing, 1 is transfer tube, and 2 be connecting tube, and 3 be upper connecting tube, and 4 be sealing ring, and 5 be cable, and 6 be cutting ferrule one, and 7 are
Cutting ferrule two, 8 be test chamber, and 9 be instrument connection, and 10 be connector, and 11 be taper connection face, and 12 be seal head, and 13 be sealing ring, 14
It is wellhead tee joint for isolation cabin, 15.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work, all belongs to
In the range of the utility model protection.
As shown in Figure 1, a kind of measurable well head of pressure connects sealer, including transfer tube 1, connecting tube 2 and upper connecting tube
3, transfer tube, connecting tube, upper connecting tube are hollow, both ends open tube body;One end of transfer tube and the sealing of connecting tube one end connect
It connecing, the other end and upper connecting tube of connecting tube, which are formed, to be tightly connected, and sealed connection is used between tube body end and is threadedly coupled here,
And sealing ring 4 is cooperated to form sealing.
After transfer tube, connecting tube, upper connecting tube connection, the cable passage that current supply cable 5 passes through, switching are formed inside three
Pipe is respectively arranged with cutting ferrule 1, the cutting ferrule 27 for being formed to cable and clamping clamping in connecting tube, in the pipe between two cutting ferrules
Test chamber 8 is formed, is offered in the radial direction of connecting tube and forms the instrument connection 9 that is connected to test chamber, is equipped in instrument connection pair
Instrument connection forms the plug of sealing, and when needing to test, plug being disassembled, when without testing, plug being packed into instrument connection, with
Test chamber is blocked.In specific implementation, the first cutting ferrule, the second cutting ferrule are stainless steel cutting ferrule, and cutting ferrule can be using a few days ago normal
Ferrule structure realizes, not described here any more.
Instrument connection is bellmouth, and bellmouth is gradually reduced inwardly on the outside of connecting tube, in order to guarantee plug and instrument connection
Between sealing performance, test hole wall be 1/16NPT taper thread, plug be 1/16NPT taper thread plug.
The other end of transfer tube is threaded with connector 10, and one end of connector is threadedly coupled and is configured with transfer tube
Sealing ring is sealed, and the outer peripheral surface of the connector other end is the taper connection face 11 being gradually reduced outward, taper connection face
On screw thread is distributed with, the end and wellhead tee joint 15, which are formed, to be connected, to guarantee connection sealing.
For the sealer using 1/8 " stainless steel cable as shaft bottom cable, cable uses routine 8mm cable;In transfer tube and
Two-stage sealing is realized to cable connection using two group of 1/8 " metal ferrule between connecting tube, and forms hermetical testing chamber;Upper
The end of adapter tube is connected with seal head 12, sealing ring 13, between connecting tube and upper connecting tube connect after inside formed it is closed every
From storehouse 14;Packing seal is used between seal head, sealing ring, upper connecting tube, isolation cabin and wellhead cable 5, thus to wellhead cable
Realize seal protection in part.Seal head 12, upper connecting tube 3, isolation cabin 14, connecting tube 2, transfer tube 1, is tightly connected at sealing ring 13
First 10 are sequentially connected.
The shaft bottom Fig. 2 well head connects sealer sealing validity test signal.When needing to test, the stifled of instrument connection is backed out
Head can carry out wellhead sealing device suppressing test by the instrument connection using manual pressure test pump, suppress corresponding to bottom pressure
Value, if pressure gauge indicating value 4 hours remain unchanged, then it is assumed that wellhead sealing device sealing is effective.
Claims (6)
1. a kind of measurable well head of pressure connects sealer, including transfer tube, connecting tube and upper connecting tube, which is characterized in that institute
The one end and connecting tube one end for stating transfer tube are tightly connected, and the other end and upper connecting tube of connecting tube, which are formed, to be tightly connected,
After transfer tube, connecting tube, upper connecting tube connection, the cable passage that current supply cable passes through is formed inside three,
It is respectively arranged with the cutting ferrule for being formed to cable and clamping clamping in the transfer tube, connecting tube, is formed and is surveyed between two cutting ferrules
Chamber is tried, is offered in the radial direction of transfer tube and forms the instrument connection being connected to test chamber, be equipped in instrument connection to instrument connection shape
At the plug of sealing.
2. a kind of measurable well head of pressure as described in claim 1 connects sealer, which is characterized in that the cutting ferrule is stainless
Steel cutting ferrule.
3. a kind of measurable well head of pressure as described in claim 1 connects sealer, which is characterized in that the instrument connection is cone
Shape hole, bellmouth are gradually reduced inwardly on the outside of connecting tube.
4. the measurable well head of a kind of pressure as claimed in claim 3 connects sealer, which is characterized in that the test hole wall is
1/16NPT taper thread.
5. a kind of measurable well head of pressure as claimed in claim 4 connects sealer, which is characterized in that the plug is 1/
The taper thread plug of 16NPT.
6. the measurable well head of a kind of pressure according to any one of claims 1 to 5 connects sealer, which is characterized in that described
The other end of transfer tube is equipped with connector, and the outer peripheral surface of connector is the taper connection face being gradually reduced outward.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821793638.5U CN209510284U (en) | 2018-11-01 | 2018-11-01 | A kind of measurable well head connection sealer of pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821793638.5U CN209510284U (en) | 2018-11-01 | 2018-11-01 | A kind of measurable well head connection sealer of pressure |
Publications (1)
Publication Number | Publication Date |
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CN209510284U true CN209510284U (en) | 2019-10-18 |
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CN201821793638.5U Active CN209510284U (en) | 2018-11-01 | 2018-11-01 | A kind of measurable well head connection sealer of pressure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112780211A (en) * | 2019-11-07 | 2021-05-11 | 中国石油天然气股份有限公司 | Sealing device for optical fiber well temperature monitoring well head of production well |
-
2018
- 2018-11-01 CN CN201821793638.5U patent/CN209510284U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112780211A (en) * | 2019-11-07 | 2021-05-11 | 中国石油天然气股份有限公司 | Sealing device for optical fiber well temperature monitoring well head of production well |
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