CN202215239U - Insulated pipe nipple - Google Patents
Insulated pipe nipple Download PDFInfo
- Publication number
- CN202215239U CN202215239U CN2011203207725U CN201120320772U CN202215239U CN 202215239 U CN202215239 U CN 202215239U CN 2011203207725 U CN2011203207725 U CN 2011203207725U CN 201120320772 U CN201120320772 U CN 201120320772U CN 202215239 U CN202215239 U CN 202215239U
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- insulation
- insulating
- inner sleeve
- outer sleeve
- sleeve
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Abstract
The utility model discloses an insulated pipe nipple which overcomes a defect of low communication quality when real-time downwell pressure monitoring is performed through an oil testing pipe column in the prior art. The insulated pipe nipple is characterized in that: insulating ceramic externally coats an insulating inner sleeve; an inner insulating ring is mounted outside a first end through interference fit; an outer sleeve is mounted outside the insulating inner sleeve and the inner insulating ring through interference fit; a first end of the outer sleeve is provided with a first transition adaptor; a second end of the insulating inner sleeve is internally provided with an insulating backing ring and an insulating backing ring fixing sleeve; the insulating backing ring insulates the outer sleeve from the insulating inner sleeve and insulates the first transition adaptor from the insulating inner sleeve; a first end of the insulating inner sleeve is provided with a second transition adaptor; and an outer insulating ring is equipped between the second transition adaptor and the outer sleeve. According to an embodiment of the insulated pipe nipple, the oil testing pipe column is divided into two mutually insulated parts, thereby effectively reducing signal loss and improving wireless communication quality. Furthermore normal operation of the insulated pipe nipple in an environment with high temperature, high pressure and high torque is ensured.
Description
Technical field
The utility model relates to the survey of the earth instrument, relates in particular to a kind of insulating short section.
Background technology
In the formation testing process, it is extremely important to monitor the down-hole pressure situation in real time, and the pressure on monitoring stratum to be tested is a kind of technology eaily to utilize the electromagnetic wave wireless communication technique to come in real time.
Utilizing electromagnetic wave to carry out in the pressure gauge direct reading test system of wireless telecommunications, is to utilize test string to carry out transmission of wireless signals as antenna, finally reaches the purpose of transfer of data.If the carrier of whole formation testing tubing string as the signal transmission, then the loss of signal is very big again, makes communication unreliable, and communication distance is also very short.
In a word, carry out transfer of data through the formation testing tubing string in the prior art, transmission range is shorter, and communication quality is poor, is difficult to satisfy instructions for use.
The utility model content
The utility model technical problem to be solved is to overcome prior art is carried out real-time down-hole pressure monitoring communication quality difference through the formation testing tubing string defective.
In order to solve the problems of the technologies described above; The utility model provides a kind of insulating short section; Comprise the first transition adapter (1), outer sleeve (3), insulation grommet fixed cover (4), insulation grommet (6), insulation inner sleeve (7), interior dead ring (9), external insulation ring (10), the second transition adapter (13), wherein:
The outside insulating ceramics that coats of said insulation inner sleeve (7), said interior dead ring (9) is installed in the outside interference of first end; The outside of said insulation inner sleeve (7) and interior dead ring (9), said outer sleeve (3) is installed in interference, and first end of said outer sleeve (3) is equipped with the said first transition adapter (1) through being threaded;
The inside of second end of said insulation inner sleeve (7) is equipped with said insulation grommet (6) and insulation grommet fixed cover (4); Said insulation grommet (6) is isolated said outer sleeve (3) and said insulation inner sleeve (7) insulation, and said first transition adapter (1) and said insulation inner sleeve (7) insulation are isolated;
First end of said insulation inner sleeve (7) is equipped with the said second transition adapter (13) through being threaded, between said second transition adapter (13) and the outer sleeve (3) said external insulation ring (10) is installed.
Preferably, said outer sleeve (3) and insulation inner sleeve (7) upwards evenly is equipped with the insulation pin (8) that appearance is coated with insulating ceramics in week.
Preferably, adopt hot interference assembling between said insulation pin (8) and the pin-and-hole.
Preferably, between said second transition adapter (13) and the outer sleeve (3) two said external insulation rings (10) are installed.
Preferably, between two said external insulation rings (10), between the said second transition adapter (13) and the adjacent said external insulation ring (10) and between said outer sleeve (3) and the adjacent said external insulation ring (10), be provided with the O RunddichtringO.
Preferably, include the screw thread that can directly be connected with the standard drilling rod on the said first transition adapter (1).
Preferably, between said outer sleeve (3) and the said first transition adapter (1) an O RunddichtringO (2) is installed.
Preferably, the 2nd O RunddichtringO (5) is installed on the said insulation grommet (6).
Preferably, between said insulation inner sleeve (7) and the said second transition adapter (13) the 4th O RunddichtringO (12) is installed.
Preferably, said insulating ceramics, interior dead ring (9), external insulation ring (10) and insulation grommet (6) are the material of anti-200 celsius temperatures.
Compared with prior art, the embodiment of the utility model is split up into two parts of mutual insulating to the formation testing tubing string, effectively reduces the loss of signal, has improved the wireless telecommunications quality, and can also guarantee can operate as normal under the working environment of HTHP and high moment of torsion.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is that middle B-B embodiment illustrated in fig. 1 is to sectional view.
Fig. 3 is that middle C-C embodiment illustrated in fig. 1 is to sectional view.
Fig. 4 is a middle D position embodiment illustrated in fig. 1 partial enlarged drawing.
Fig. 5 is a middle G position embodiment illustrated in fig. 1 partial enlarged drawing.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, hereinafter will combine accompanying drawing that the embodiment of the utility model is elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
Utilizing electromagnetic wave to carry out in the pressure gauge direct-reading system of downhole wireless transfer of data, signal is very faint.If the carrier of whole formation testing tubing string as the signal transmission, then the loss of signal is very big, thereby has strengthened the difficulty of signal extraction.
Fig. 1 is the structural representation of the utility model embodiment, and Fig. 2 is that B-B is to sectional view in the present embodiment, and Fig. 3 is that C-C is to sectional view in the present embodiment, and Fig. 4 is a D position partial enlarged drawing in the present embodiment, and Fig. 5 is a G position partial enlarged drawing in the present embodiment.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; The embodiment of the utility model mainly comprises the first transition adapter 1, an O RunddichtringO 2, outer sleeve 3, insulation grommet fixed cover 4, the 2nd O RunddichtringO 5, insulation grommet 6, insulation inner sleeve 7, insulation pin 8, interior dead ring 9, external insulation ring 10, the 3rd O RunddichtringO 11, the 4th O RunddichtringO 12, the second transition adapter 13, wherein:
The outside insulating ceramicses that spray for evenly that coat of insulation inner sleeve 7, dead ring 9 in the outside interference of first end of insulation inner sleeve 7 is equipped with.The outside of insulation inner sleeve 7 and interior dead ring 9, outer sleeve 3 is installed in interference.Can be outer sleeve 3 to be heated make its expansion in the installation process, outside under the sleeve 3 elevated temperature heat expansion situation, insulation inner sleeve 7 and be installed in interior dead ring 9 on its first end outside outer sleeve 3 of packing into.After outer sleeve 3 coolings, promptly hold insulation inner sleeve 7 and interior dead ring 9 mounted thereto tightly, produce interference fit.
Because insulation inner sleeve 7 external packets are covered with the high-temperature insulation pottery of even injection, and first end be equipped with in dead ring 9, therefore guaranteed the outer sleeve 3 and the mutually insulated between the inner sleeve 7 that insulate.
Because between insulation inner sleeve 7 and the outer sleeve is interference fit, so can bear certain moment of torsion between outer sleeve 3 and the insulation inner sleeve 7.In order to improve its torsional property, the embodiment of the utility model is the insulation pin 8 that 8 appearances are coated with the high-temperature insulation pottery that upwards evenly is equipped with in week of sleeve 3 and insulation inner sleeve 7 outside, and adopts hot interference to assemble between insulation pin 8 and the pin-and-hole.Because the effect of insulation pin 8; Add the assurance of the hot interference assembly technology between insulation inner sleeve 7 and the outer sleeve; Can guarantee can bear above 10,000 Ns between outer sleeve 3 and the insulation inner sleeve 7. the moment of torsion of rice (N.m), and can guarantee effective insulating properties between outer sleeve 3 and the insulation inner sleeve 7.
First end of outer sleeve 3 is installed and is included the screw thread that can directly be connected with the standard drilling rod on the first transition adapter, 1, the first transition adapter 1.The inside of second end of insulation inner sleeve 7 is equipped with insulation grommet 6 and insulation grommet fixed cover 4.Insulation is equipped with that the 2nd O RunddichtringO 5, the two O RunddichtringOs 5 play between two parties on the grommet 6, the effect of adjusting play and supplementary insulation.Insulation grommet 6 is further isolated outer sleeve 3 and 7 insulation of insulation inner sleeve, keeps apart the first transition adapter 1 and 7 insulation of insulation inner sleeve simultaneously, prevents the first transition adapter 1 and insulation inner sleeve 7 direct short circuits, destroys insulating properties.First end of insulation inner sleeve 7 is equipped with the second transition adapter 13.Between the second transition adapter 13 and outer sleeve 3, external insulation ring 10 is installed, can effectively prevents the second transition adapter, 13 direct and outer sleeve 3 short circuits, guarantee good insulation performance performance between the second transition adapter 13 and the outer sleeve 3.Also be provided with the 3rd O RunddichtringO 11 between the external insulation ring 10 and the second transition adapter 13, play the effect of supplementary insulation and auxiliary seal.
As enclose shown in 5; In the present embodiment; Two external insulation rings 10 are installed between the second transition adapter 13 and the outer sleeve 3; Between two external insulation rings 10, between the second transition adapter 13 and the adjacent external insulation ring 10 and between outer sleeve 3 and the adjacent external insulation ring 10, be provided with the 3rd O RunddichtringO 11 (three altogether), further the auxiliaring effect of reinforced insulation and sealing.
Through being threaded, and an O RunddichtringO 2 is installed between the first transition adapter 1 and the outer sleeve 3, the two seals through an O RunddichtringO 2.Through being threaded, and the 4th O RunddichtringO 12 is installed between the second transition adapter 13 and the insulation inner sleeve 7, the two seals through the 4th O RunddichtringO 12.
Each O RunddichtringO, insulating ceramics, interior dead ring 9, external insulation ring 10 and insulation grommet 6 are the exotic material of anti-200 celsius temperatures, thereby have guaranteed the insulating properties of insulating short section under hot environment of the utility model embodiment.
Insulating short section technology of the prior art, under the situation of bearing 10,000 N.m and above moment of torsion, in 200 degrees centigrade and above hot environment, insulation just is destroyed, and can not satisfy the extraordinary requirement of formation testing instrument.
The embodiment of the utility model is installed in the middle of the common formation testing tubing string; Can be split up into two parts of mutual insulating up and down to the formation testing tubing string, avoid signal, reduce the transmission range of signal along all drilling rod tubing string transmission; Effectively reduce the loss of signal, improved the wireless telecommunications quality.And under the effect of insulation pin etc.,, guarantee to bear the moment of torsion of 10,000 N.m through hot charging interference assembly technology; Satisfy the torque resistant requirement of formation testing tubing string; Also can guarantee under the complicated applied force operating mode simultaneously, still can be divided into two parts of mutual insulating up and down to the formation testing tubing string at reliably working under the hot environment; Reduce the distance that wireless signal is propagated along tubing string, reduced the degree of signal attenuation.
Utilize the insulating short section of the utility model embodiment; Become two ends to the test string insulated separation,, and signal is carried out relaying with receiving pipe nipple as two utmost points of reception antenna; Increase signal strength signal intensity; Arrive ground to transfer of data through long cable, thereby can shorten the distance of underground wireless communication, improve the reliability of communication.
The embodiment of the utility model adopts hot charging allotment of labor skill and ceramic spraying technique, has guaranteed outer sleeve and the insulating properties of insulation inner sleeve under hot environment.
The embodiment of the utility model is at external diameter, hickey and common formation testing tubing string are in full accord up and down; Can be directly installed in the formation testing tubing string; And through the sealing of inside and outside sealing ring, can anti-elevated pressures, do not influence the normal connection status and the performance of formation testing tubing string.
Among the embodiment of the utility model, the transit joint at two ends, external diameter etc. are all in full accord with common drilling rod, can directly be connected with drilling rod, and in the time need not carrying out wireless telecommunications, can work as common drilling rod and use.
Though the embodiment that the utility model disclosed as above, the embodiment that described content just adopts for the ease of understanding the utility model is not in order to limit the utility model.Technician under any the utility model in the technical field; Under the prerequisite of spirit that does not break away from the utility model and disclosed and scope; Can do any modification and variation what implement in form and on the details; But the scope of patent protection of the utility model still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. an insulating short section is characterized in that, comprises the first transition adapter (1), outer sleeve (3), insulation grommet fixed cover (4), insulation grommet (6), insulation inner sleeve (7), interior dead ring (9), external insulation ring (10), the second transition adapter (13), wherein:
The outside insulating ceramics that coats of said insulation inner sleeve (7), said interior dead ring (9) is installed in the outside interference of first end; The outside of said insulation inner sleeve (7) and interior dead ring (9), said outer sleeve (3) is installed in interference, and first end of said outer sleeve (3) is equipped with the said first transition adapter (1) through being threaded;
The inside of second end of said insulation inner sleeve (7) is equipped with said insulation grommet (6) and insulation grommet fixed cover (4); Said insulation grommet (6) is isolated said outer sleeve (3) and said insulation inner sleeve (7) insulation, and said first transition adapter (1) and said insulation inner sleeve (7) insulation are isolated;
First end of said insulation inner sleeve (7) is equipped with the said second transition adapter (13) through being threaded, between said second transition adapter (13) and the outer sleeve (3) said external insulation ring (10) is installed.
2. insulating short section according to claim 1 is characterized in that:
Said outer sleeve (3) upwards evenly is equipped with the insulation pin (8) that appearance is coated with insulating ceramics with insulation inner sleeve (7) in week.
3. insulating short section according to claim 1 is characterized in that:
Adopt hot interference assembling between said insulation pin (8) and the pin-and-hole.
4. insulating short section according to claim 1 is characterized in that:
Between said second transition adapter (13) and the outer sleeve (3) two said external insulation rings (10) are installed.
5. insulating short section according to claim 4 is characterized in that:
Between two said external insulation rings (10), between the said second transition adapter (13) and the adjacent said external insulation ring (10) and between said outer sleeve (3) and the adjacent said external insulation ring (10), be provided with the O RunddichtringO.
6. insulating short section according to claim 1 is characterized in that:
Include the screw thread that can directly be connected with the standard drilling rod on the said first transition adapter (1).
7. insulating short section according to claim 1 is characterized in that:
Between said outer sleeve (3) and the said first transition adapter (1) an O RunddichtringO (2) is installed.
8. insulating short section according to claim 1 is characterized in that:
The 2nd O RunddichtringO (5) is installed on the said insulation grommet (6).
9. insulating short section according to claim 1 is characterized in that:
Between said insulation inner sleeve (7) and the said second transition adapter (13) the 4th O RunddichtringO (12) is installed.
10. insulating short section according to claim 1 is characterized in that:
Said insulating ceramics, interior dead ring (9), external insulation ring (10) and insulation grommet (6) are the material of anti-200 celsius temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203207725U CN202215239U (en) | 2011-08-30 | 2011-08-30 | Insulated pipe nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203207725U CN202215239U (en) | 2011-08-30 | 2011-08-30 | Insulated pipe nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215239U true CN202215239U (en) | 2012-05-09 |
Family
ID=46014499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203207725U Expired - Lifetime CN202215239U (en) | 2011-08-30 | 2011-08-30 | Insulated pipe nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215239U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748012A (en) * | 2012-06-29 | 2012-10-24 | 中国海洋石油总公司 | Underground wireless communication data receiving and transmitting nipple |
| CN103696755A (en) * | 2013-07-18 | 2014-04-02 | 西北工业大学 | Insulation pup joint used for electromagnetic wireless measurement while drilling and manufacturing method for insulation pup joint |
| CN104213911A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气集团公司 | Insulating connection structure between underground electromagnetic wave measurement-while-drilling devices and manufacturing method |
| CN107109924A (en) * | 2014-12-29 | 2017-08-29 | 哈利伯顿能源服务公司 | Communicated across the band gap of the drilling tool with improved outside |
-
2011
- 2011-08-30 CN CN2011203207725U patent/CN202215239U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748012A (en) * | 2012-06-29 | 2012-10-24 | 中国海洋石油总公司 | Underground wireless communication data receiving and transmitting nipple |
| CN102748012B (en) * | 2012-06-29 | 2015-04-15 | 中国海洋石油总公司 | Underground wireless communication data receiving and transmitting nipple |
| CN104213911A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气集团公司 | Insulating connection structure between underground electromagnetic wave measurement-while-drilling devices and manufacturing method |
| CN104213911B (en) * | 2013-06-05 | 2017-04-12 | 中国石油天然气集团公司 | Insulating connection structure between underground electromagnetic wave measurement-while-drilling devices and manufacturing method |
| CN103696755A (en) * | 2013-07-18 | 2014-04-02 | 西北工业大学 | Insulation pup joint used for electromagnetic wireless measurement while drilling and manufacturing method for insulation pup joint |
| CN107109924A (en) * | 2014-12-29 | 2017-08-29 | 哈利伯顿能源服务公司 | Communicated across the band gap of the drilling tool with improved outside |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |