CN204024634U - Check valve-type transmission well logging aid - Google Patents

Check valve-type transmission well logging aid Download PDF

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Publication number
CN204024634U
CN204024634U CN201420501209.1U CN201420501209U CN204024634U CN 204024634 U CN204024634 U CN 204024634U CN 201420501209 U CN201420501209 U CN 201420501209U CN 204024634 U CN204024634 U CN 204024634U
Authority
CN
China
Prior art keywords
connecting portion
aid
well logging
check valve
sleeve
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.)
Expired - Fee Related
Application number
CN201420501209.1U
Other languages
Chinese (zh)
Inventor
崔龙兵
蒋建平
罗荣
陈超
崔光
罗军
罗凤鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Original Assignee
China Petroleum and Chemical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp filed Critical China Petroleum and Chemical Corp
Priority to CN201420501209.1U priority Critical patent/CN204024634U/en
Application granted granted Critical
Publication of CN204024634U publication Critical patent/CN204024634U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of check valve-type transmission well logging aid, is mainly to improve and transmits well logging construction one-time success rate and design.The utility model check valve-type transmission well logging aid, on the inwall of described shell, the junction of corresponding described wet joint and described the first connecting portion is equipped with the positioning key of described male joint fixator installation site, some location, on described the first connecting portion, be provided with unidirectional filtration, described unidirectional filtration is comprised of the sliding sleeve back-moving spring that is set in the sliding sleeve in described taper connection portion and be set on described path connecting portion, in the described annular groove portion of described the second connecting portion, be arranged with two semicircle swivel nuts that mutually fasten, two described semicircle swivel nuts are connected by screw.The utility model check valve-type transmission well logging aid, can effectively reduce difficulty of construction, prevents that impurity from entering into enclosure, improves at complex hole condition construction one-time success rate, has advantage simple in structure, easy to operate, safe and reliable.

Description

Check valve-type transmission well logging aid
Technical field
The utility model relates to petroleum works technical field, relates in particular to a kind of check valve-type transmission well logging aid being suitable under complex hole condition.
Background technology
The transmission well logging aid of prior art is mainly comprised of shell, the wet joint and male joint fixator three parts that are arranged in described shell, and described wet joint is connected by crossover sub with described male joint fixator.Be illustrated in figure 2 the structural representation of wet joint, as described in Figure 5 for the structural representation of male joint fixator, in present patent application file, defining described male joint fixator is comprised of the first connecting portion and the second connecting portion as shown in Figure 5, described the first connecting portion at least comprises large footpath connecting portion, taper connection portion and path connecting portion, and described the second connecting portion at least comprises stage portion and annular groove portion.
The transmission well logging aid of prior art directly completes the connection between upper and lower instrument by the public wet joint of axial docking, the problem that the docking mode of this form exists is: 1, bad adaptability, when downhole operations, the impurity that has large volume enters into the enclosure of instrument, affect the result of use of instrument, therefore for assurance instrument can normally use, construction technology and hole condition are had relatively high expectations, increased difficulty of construction; 2, do not possess long bore hole hole condition workability, due to the unstability of male joint fixator in when docking, on long bore hole hole condition, once dock success rate extremely low; 3, complex structure, quantity and the kind of part are many, are difficult to realize quick connection and the dismounting to male joint fixator, and operation easier is large.
Utility model content
For the problems referred to above, the utility model provides a kind of check valve-type transmission well logging aid that can effectively improve transmission success log ratio.
For achieving the above object, the utility model check valve-type transmission well logging aid, at least comprise shell, be arranged on the male joint fixator that wet joint in described shell and described wet joint connect, wherein said male joint fixator is comprised of the first connecting portion and the second connecting portion, described wet joint is connected with described the first connecting portion by crossover sub, described the first connecting portion at least comprises large footpath connecting portion, taper connection portion and path connecting portion, described the second connecting portion at least comprises annular groove portion, it is characterized in that: on the inwall of described shell, the junction of corresponding described wet joint and described the first connecting portion is equipped with the positioning key of described male joint fixator installation site, some location, on described the first connecting portion, be provided with unidirectional filtration, described unidirectional filtration is comprised of the sliding sleeve back-moving spring that is set in the sliding sleeve in described taper connection portion and be set on described path connecting portion, in the described annular groove portion of described the second connecting portion, be arranged with two semicircle swivel nuts that mutually fasten, two described semicircle swivel nuts are connected by screw.
Further, described positioning key is flat key, and described flat key is embedded in the inwall of described shell, and some described flat key uniform ring are located in the inwall of described shell, and the central angle that two adjacent described flat keys form is 60 °, 90 ° or 120 °.
Further, described sliding sleeve consists of the first sleeve mutually connecting and the second sleeve, and the external wall cross-section of described the first sleeve is greater than the external wall cross-section of described the second sleeve, has been evenly arranged some through holes on the barrel of described the first sleeve.
The utility model check valve-type transmission well logging aid, by ring in the shell of the first connecting portion at described male joint fixator and described wet joint junction, some positioning keys are set, improve described male joint fixator positioning precision when mounted, strengthen the stability of described male joint fixator when docking; By sheathed unidirectional filtration on the first connecting portion of described male joint fixator, prevent that larger volume impurity from entering into the enclosure of described aid; By sheathed two semicircle swivel nuts that mutually fasten on the annular groove at described the second connecting portion, realize quick connection and dismounting to described male joint fixator.The utility model check valve-type transmission well logging aid, not only can be practical under high-temperature and high-pressure conditions, also can be practical under the electrolyte environments such as drilling mud and clear water, realize the transmission of voltage, electric current and signal, can effectively reduce difficulty of construction, improve at complex hole condition construction one-time success rate, have simple in structure, easy to operate, safe and reliable advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model check valve-type transmission well logging aid;
Fig. 2 is the wet joint structural representation of the utility model check valve-type transmission well logging aid;
Fig. 3 is the shell mechanism schematic diagram of the utility model check valve-type transmission well logging aid;
Fig. 4 is that the A-A of Fig. 3 of the utility model check valve-type transmission well logging aid is to sectional view;
Fig. 5 is the male joint fixer structure schematic diagram of the utility model check valve-type transmission well logging aid;
Fig. 6 is the mounting structure schematic diagram of the male joint fixator of the utility model check valve-type transmission well logging aid;
Fig. 7 is the shift sleeve structure schematic diagram of the utility model check valve-type transmission well logging aid;
Fig. 8 is the left view of Fig. 7 of the utility model check valve-type transmission well logging aid;
Fig. 9 is the helical spring structure schematic diagram of the utility model check valve-type transmission well logging aid;
Figure 10 is two semicircular nested structure schematic diagrames that mutually fasten of the utility model check valve-type transmission well logging aid;
Figure 11 is the sectional view of the semicircle swivel nut of the utility model check valve-type transmission well logging aid.
The specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
Be illustrated in figure 1 the utility model check valve-type transmission well logging aid, described aid at least comprises shell 1, be arranged on the male joint fixator 3 that wet joint 2 in described shell 1 and described wet joint 2 connect, the structure of described wet joint 2 as shown in Figure 2, as shown in Figure 3, the structure of described male joint fixator 3 as shown in Figure 5 for the structure of described shell 1.In present patent application file, described male joint fixator 3 is comprised of the first connecting portion 4 and the second connecting portion 5, in Fig. 5, structure in the dotted line frame of the definition left side is described the first connecting portion 4, structure in the dotted line frame of definition the right is described the second connecting portion 5, described wet joint 2 is connected with described the first connecting portion 4 by crossover sub 6, as shown in Figure 6.Described the first connecting portion 4 at least comprises large footpath connecting portion 14, taper connection portion 15 and path connecting portion 16, and described the second connecting portion 5 at least comprises stage portion 13 and annular groove portion 8.
On the inwall of described shell 1, the junction of corresponding described wet joint 2 and described the first connecting portion 4 is equipped with the positioning key 7 of described male joint fixator 3 installation sites, some location, described positioning key 7 is flat key in the present embodiment, described flat key is embedded in the inwall of described shell 1, four described flat key uniform ring are located in the inwall of described shell 1, the central angle forming between two adjacent described flat keys is 90 °, as shown in Figure 4.
As Figure 6-9, on described the first connecting portion 4, be provided with unidirectional filtration, described unidirectional filtration forms by being set in the sliding sleeve 11 in described taper connection portion 15 and the sliding sleeve back-moving spring 12 being set on described path connecting portion 16.In the situation that described sliding sleeve back-moving spring 12 is not stressed, one end of described sliding sleeve back-moving spring 12 contacts with described sliding sleeve 11, and the other end of described sliding sleeve back-moving spring 12 contacts with the stage portion 13 of described the second connecting portion 5.
As Figure 7-8, described sliding sleeve 11 consists of the first sleeve mutually connecting and the second sleeve, and the external wall cross-section of described the first sleeve is greater than the external wall cross-section of described the second sleeve, has been evenly arranged some through holes on the barrel of described the first sleeve.
As shown in Fig. 5-6, in the described annular groove portion 8 of described the second connecting portion 5, be arranged with two 9, two described semicircle swivel nuts 9 of semicircle swivel nut that mutually fasten and connect by screw 17, the structure of described semicircle swivel nut 9 is as shown in Figure 10-11.
The utility model check valve-type transmission well logging aid, by some positioning keys 7 that in the first connecting portion 4 of described male joint fixator 3 shell 1 corresponding with described wet joint 2 junctions, ring arranges, improve described male joint fixator 3 positioning precision when mounted, strengthen the stability of described male joint fixator 3 when docking.; By sheathed unidirectional filtration on described first connecting portion 4 of described male joint fixator 3, prevent that larger volume impurity from entering into the inside of the shell 1 of described aid; On annular groove 8 by described the second connecting portion 5, the semicircle swivel nuts 9 of two sheathed mutual fastenings, realize quick connection and dismounting to described male joint fixator 3.
The utility model check valve-type transmission well logging aid, can effectively prevent that impurity from entering into the inside of described shell 1, even if there is impurity to enter in described shell 1, also can be by the removal impurity of described unidirectional filtration, thus the normal use of aid described in while guaranteeing construction.The utility model transfer of unidirectional valve formula transmission well logging aid, simple in structure, easy to operate, safe and reliable, can improve the construction one-time success rate in complex hole condition.
Above; it is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.

Claims (3)

1. a check valve-type transmits well logging aid, at least comprise shell, be arranged on the male joint fixator that wet joint in described shell and described wet joint connect, wherein said male joint fixator is comprised of the first connecting portion and the second connecting portion, described wet joint is connected with described the first connecting portion by crossover sub, described the first connecting portion at least comprises large footpath connecting portion, taper connection portion and path connecting portion, described the second connecting portion at least comprises annular groove portion, it is characterized in that: on the inwall of described shell, the junction of corresponding described wet joint and described the first connecting portion is equipped with the positioning key of described male joint fixator installation site, some location, on described the first connecting portion, be provided with unidirectional filtration, described unidirectional filtration is comprised of the sliding sleeve back-moving spring that is set in the sliding sleeve in described taper connection portion and be set on described path connecting portion, in the described annular groove portion of described the second connecting portion, be arranged with two semicircle swivel nuts that mutually fasten, two described semicircle swivel nuts are connected by screw.
2. check valve-type according to claim 1 transmits well logging aid, it is characterized in that: described positioning key is flat key, described flat key is embedded in the inwall of described shell, some described flat key uniform ring are located in the inwall of described shell, and the central angle that two adjacent described flat keys form is 60 °, 90 ° or 120 °.
3. check valve-type according to claim 1 transmits well logging aid, it is characterized in that: described sliding sleeve consists of the first sleeve mutually connecting and the second sleeve, the external wall cross-section of described the first sleeve is greater than the external wall cross-section of described the second sleeve, has been evenly arranged some through holes on the barrel of described the first sleeve.
CN201420501209.1U 2014-09-01 2014-09-01 Check valve-type transmission well logging aid Expired - Fee Related CN204024634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420501209.1U CN204024634U (en) 2014-09-01 2014-09-01 Check valve-type transmission well logging aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420501209.1U CN204024634U (en) 2014-09-01 2014-09-01 Check valve-type transmission well logging aid

Publications (1)

Publication Number Publication Date
CN204024634U true CN204024634U (en) 2014-12-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420501209.1U Expired - Fee Related CN204024634U (en) 2014-09-01 2014-09-01 Check valve-type transmission well logging aid

Country Status (1)

Country Link
CN (1) CN204024634U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105817061A (en) * 2016-05-19 2016-08-03 苏州优斯曼环保科技有限公司 Filter pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105817061A (en) * 2016-05-19 2016-08-03 苏州优斯曼环保科技有限公司 Filter pipe

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141217

Termination date: 20170901