CN214944218U - A head that is used for wellhead production tree sampling valve interface - Google Patents
A head that is used for wellhead production tree sampling valve interface Download PDFInfo
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- CN214944218U CN214944218U CN202120409917.2U CN202120409917U CN214944218U CN 214944218 U CN214944218 U CN 214944218U CN 202120409917 U CN202120409917 U CN 202120409917U CN 214944218 U CN214944218 U CN 214944218U
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- piston
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- sampling tube
- valve interface
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Abstract
The utility model belongs to the technical field of wellhead Christmas tree, in particular to a seal head for a sampling valve interface of wellhead Christmas tree, which comprises a sampling tube, wherein the outer end of the sampling tube is provided with the seal head, the seal head is screwed and connected at one end of the sampling tube, the outer side of the seal head is provided with an adjusting wheel, the side surface of the adjusting wheel is provided with a rotating rod, one end of the rotating rod penetrates through the seal head and extends to the internal rotating connection of the sampling tube, a piston is arranged in the sampling tube and is connected in a sliding way in the sampling tube, the piston is connected on the rotating rod in a transmission way, a limit rod is arranged on the inner measurement of the seal head, the utility model is provided with the piston which is positioned on the rotating rod in a transmission way, the adjusting wheel is rotated under the action of the limit rod and a limit groove, the piston is transmitted on the rotating rod, thereby the sampling port is avoided, and the internal movement of the sampling tube is realized through the piston, thereby reducing the number of operating steps in sampling.
Description
Technical Field
The utility model belongs to the technical field of the well head christmas tree, concretely relates to a head for well head christmas tree sampling valve interface.
Background
The production tree is a wellhead device for producing petroleum, such as a self-blowing well, a mechanical production well and the like; the main equipment for controlling and regulating oil-gas production in the uppermost portion of oil-gas well is mainly composed of three portions of casing head, tubing head and christmas tree body, the christmas tree is an assembly positioned at opening leading to top end of oil well, and includes valve for measuring and maintaining, safety system and a series of monitoring instruments; the Christmas tree is connected with a production pipeline and an oil outlet pipe from the underground and is used as an important barrier for isolating the top end of the oil well from the external environment; it includes a number of valves that can be used to regulate or prevent the flooding of produced crude oil vapors, natural gas and liquids from the well; the christmas tree is connected to the production manifold system by a subsea pipeline.
The sampling valve of the wellhead Christmas tree is a component operated by a well site of a production worker, the operation is complex in the sampling process, and the leakage of the operation component occurs due to the frequency of the operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a head for well head christmas tree sampling valve interface to it is complicated at the in-process operation of taking a sample to provide well head christmas tree in solving above-mentioned background art, because the frequency of operation moreover, thereby leads to operating element to have the problem that the condition of seepage takes place.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a head for well head production tree sampling valve interface, includes the sampling tube, the outer end of sampling tube is provided with the head, the head closes the connection soon in the one end of sampling tube, the outside of head is provided with the regulating wheel, the side of regulating wheel is provided with the bull stick, the head is run through to the one end of bull stick to extend to the inside rotation of sampling tube and connect, the inside of sampling tube is provided with the piston, the piston is at the inside sliding connection of sampling tube, and piston sliding connection on the bull stick, the inside survey of head is provided with the gag lever post, the one end of gag lever post runs through the piston to sliding connection on the piston, the both ends of piston all are provided with the rubber circle, the bottom of sampling tube is provided with the sample connection, the sample connection sets up between two rubber circles.
Preferably, four through holes which are communicated are transversely formed in the piston, and the four through holes are distributed in an annular array by taking the center of the piston as a center.
Preferably, the inside of head has been seted up the spout, be provided with the stopper on the bull stick, the stopper sets up the inside sliding connection at the spout, and the both sides of stopper all are provided with the rubber pad.
Preferably, the piston is provided with a limiting groove, and the limiting rod is connected in the limiting groove in a sliding manner.
Preferably, a transverse groove is formed in the axis of the piston, and the rotating rod is connected in the groove in a screwing mode.
Preferably, the two sides of the piston are both provided with clamping grooves, and the two rubber rings are respectively connected in the clamping grooves on the two sides in a clamping manner.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses set up the piston that is located transmission connection on the bull stick, rotated the regulating wheel under the effect of gag lever post and spacing groove, the piston is the transmission on the bull stick to let out the sample connection, through the inside motion of piston at the sampling tube, thereby the operating procedure when having reduced the sample.
(2) The utility model discloses set up and be the through-hole that the annular array distributes on being located the piston, let the oil pressure balance of piston both sides through the through-hole, when taking a sample, reduce the resistance of piston operation to reduce operator's manual labor when taking a sample.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the piston of the present invention;
fig. 3 is a side view of the piston of the present invention;
in the figure: 1-sampling tube; 2-a groove; 3-limiting groove; 4-rotating the rod; 5-a limiting rod; 6-sealing the end; 7-a limiting block; 8-a regulating wheel; 9-rubber pad; 10-a chute; 11-a sampling port; 12-a piston; 13-a through hole; 14-a rubber ring; 15-card slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an end socket for a sampling valve interface of a wellhead Christmas tree comprises a sampling tube 1, an end socket 6 is arranged at the outer end of the sampling tube 1, the end socket 6 is connected with one end of the sampling tube 1 in a screwing manner, an adjusting wheel 8 is arranged at the outer side of the end socket 6, a rotating rod 4 is arranged on the side surface of the adjusting wheel 8, one end of the rotating rod 4 penetrates through the end socket 6 and extends to the interior of the sampling tube 1 to be connected in a rotating manner, a piston 12 is arranged inside the sampling tube 1, the piston 12 is connected with the sampling tube 1 in a sliding manner and is connected with the rotating rod 4 in a transmission manner, a limiting rod 5 is arranged at the inner side of the end socket 6, one end of the limiting rod 5 penetrates through the piston 12 and is connected with the piston 12 in a sliding manner, rubber rings 14 are arranged at the two ends of the piston 12, a sampling port 11 is arranged at the bottom of the sampling tube 1, the sampling port 11 is arranged between the two rubber rings 14, the adjusting wheel 8 is rotated under the action of the limiting rod 5 and the limiting groove 3, the piston 12 is driven on the rotating rod 4, so that the sampling port 11 is made free, and the operating steps during sampling are reduced by the movement of the piston 12 inside the sampling tube 1.
Further, four through holes 13 that link up are transversely seted up to the inside of piston 12, and four through holes 13 all are the annular array with the center of piston 12 and distribute, let the oil pressure balance of piston 12 both sides through holes 13, when taking a sample, reduce the resistance of piston 12 operation to reduce operator's manual labor when taking a sample.
Specifically, spout 10 has been seted up to the inside of head 6, is provided with stopper 7 on the bull stick 4, and stopper 7 among the spout 10 restricts bull stick 4 and rotates on head 6, and stopper 7 sets up the inside sliding connection at spout 10, and the both sides of stopper 7 all are provided with rubber pad 9, and rubber pad 9 plays sealed effect.
It should be noted that the piston 12 is provided with a limiting groove 3, and the limiting rod 5 is slidably connected inside the limiting groove 3.
Furthermore, a transverse groove 2 is formed in the axis of the piston 12, and the rotating rod 4 is connected in a screwing mode in the groove 2.
Furthermore, clamping grooves 15 are formed in two sides of the piston 12, and the two rubber rings 14 are connected in a clamping mode in the clamping grooves 15 in the two sides respectively.
The utility model discloses a theory of operation and use flow: the utility model discloses when using, in the draw-in groove 15 of 14 cards of rubber ring on piston 12, and fill in the inside of sampling tube 1 with piston 12, close head 6 soon, accomplish the installation of head 6, when needs take a sample, rotate regulating wheel 8, bull stick 4 rotates on head 6 this moment, thereby drive piston 12 at the transmission, at this in-process, gag lever post 5 and 3 restriction pistons 12 of spacing groove are at bull stick 4 and recess 2's effect underdrive, thereby spill sample connection 11, stopper 7 restriction bull stick 4 in the spout 10 rotates on head 6, rubber pad 9 plays sealed effect, through-hole 13 lets the oil pressure balance of piston 12 both sides, reduce the resistance of piston 12 motion.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a head that is used for wellhead production tree sampling valve interface, includes sampling tube (1), its characterized in that: the sampling device is characterized in that an end socket (6) is arranged at the outer end of the sampling tube (1), the end socket (6) is screwed and connected at one end of the sampling tube (1), an adjusting wheel (8) is arranged at the outer side of the end socket (6), a rotating rod (4) is arranged on the side face of the adjusting wheel (8), one end of the rotating rod (4) penetrates through the end socket (6) and extends to the inside of the sampling tube (1) to be rotatably connected, a piston (12) is arranged inside the sampling tube (1), the piston (12) is slidably connected on the rotating rod (4), a limiting rod (5) is arranged inside the end socket (6), one end of the limiting rod (5) penetrates through the piston (12) and is slidably connected on the piston (12), rubber rings (14) are arranged at two ends of the piston (12), a sampling port (11) is arranged at the bottom of the sampling tube (1), the sampling port (11) is arranged between the two rubber rings (14).
2. The head for a wellhead Christmas tree sampling valve interface of claim 1, wherein: four through holes (13) which are communicated are transversely formed in the piston (12), and the four through holes (13) are distributed in an annular array mode by the center of the piston (12).
3. The head for a wellhead Christmas tree sampling valve interface of claim 1, wherein: spout (10) have been seted up to the inside of head (6), be provided with stopper (7) on bull stick (4), stopper (7) set up the inside sliding connection at spout (10), and the both sides of stopper (7) all are provided with rubber pad (9).
4. The head for a wellhead Christmas tree sampling valve interface of claim 1, wherein: the piston (12) is provided with a limiting groove (3), and the limiting rod (5) is connected with the limiting groove (3) in a sliding mode.
5. The head for a wellhead Christmas tree sampling valve interface of claim 1, wherein: the axial center of the piston (12) is provided with a transverse groove (2), and the rotating rod (4) is screwed in the groove (2).
6. The head for a wellhead Christmas tree sampling valve interface of claim 1, wherein: clamping grooves (15) are formed in the two sides of the piston (12), and the two rubber rings (14) are connected in a clamping mode in the clamping grooves (15) in the two sides respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409917.2U CN214944218U (en) | 2021-02-24 | 2021-02-24 | A head that is used for wellhead production tree sampling valve interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409917.2U CN214944218U (en) | 2021-02-24 | 2021-02-24 | A head that is used for wellhead production tree sampling valve interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944218U true CN214944218U (en) | 2021-11-30 |
Family
ID=79097684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409917.2U Active CN214944218U (en) | 2021-02-24 | 2021-02-24 | A head that is used for wellhead production tree sampling valve interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214944218U (en) |
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2021
- 2021-02-24 CN CN202120409917.2U patent/CN214944218U/en active Active
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